Operation & Maintenance Manual
Original Instructions
115 Series Vanpack
Section 1
Introduction
Section 2
Scope of Supply
Section 3
Technical Data
Section 4
Health & Safety
Section 5
Operation
Section 6
Routine Maintenance
Section 7
Fault Finding
Section 8
Hawk XLTI Pump
Section 9
Circuit Diagrams
Section 10
Engine
Section 11
Parts List / Spares / Auxiliary Components
Section 12
Service Documents
Section 13
Warranty & Certification
Harben Inc.
2010 Ronald Reagan Blvd.
Cumming GA 30041
Tel. (770) 889-9535 - Fax. (770) 887-9411
email: sales@harben.com
Part No. 061887
Operation & Maintenance Manual for:
UNIT:
115 Series Mk2MITED – R/1 (B11238/A)
ISSUE DATE:
06/2017
Issue No :
2
AMENDMENTS
Change
Changes
Date
Signature
1
No.
2
NEW ADDITION
07/16
TWC
Changes to update safety information
06/17
AH
1
Section 1 – Introduction & Contents
1.1. Contents
SECTION 1 – INTRODUCTION & CONTENTS ....................................................................1
1.1. CONTENTS ....................................................................................................................1
1.2. INTRODUCTION ..............................................................................................................4
1.3. SCOPE OF THIS MANUAL ................................................................................................5
1.4. THE VANPACK ...............................................................................................................5
1.5. COMPOSITION OF THIS MANUAL......................................................................................6
SECTION 2 – SCOPE OF SUPPLY................................................................................7
2.1. SCOPE OF SUPPLY ........................................................................................................7
2.2. PUMP ASSEMBLY ..........................................................................................................7
2.3. DETAILED DRAWINGS ....................................................................................................7
SECTION 3 - TECHNICAL DATA...................................................................................8
3.1. TECHNICAL DATA ..........................................................................................................8
3.1.1. PUMP DATA ................................................................................................................8
3.1.2. MAIN COMPONENTS ....................................................................................................9
3.1.3. ANCILLARIES ..............................................................................................................9
3.1.4. SERVICES REQUIRED ..................................................................................................9
3.2. TECHNICAL DESCRIPTION ............................................................................................10
3.2.1. PRIMARY COMPONENTS ............................................................................................10
3.2.2. ENGINE MONITORING ................................................................................................10
3.3. INSTALLATION DETAILS................................................................................................10
SECTION 4 – HEALTH & SAFETY ..............................................................................12
4.1. INTRODUCTION ............................................................................................................12
4.2. SAFETY NOTES ...........................................................................................................13
4.3. WATER JETTING EQUIPMENT OR HIGH PRESSURE EQUIPMENT.......................................14
4.4. WATER JETTING SAFETY INSTRUCTIONS .......................................................................14
4.4.1. TRAINING .................................................................................................................14
4.4.2. SUPERVISION ...........................................................................................................14
4.4.3. JETTING AREA ..........................................................................................................14
4.4.4. BEFORE STARTING ...................................................................................................14
4.5. PERSONAL PROTECTIVE EQUIPMENT (PPE) ..................................................................15
4.6. GENERAL WARNINGS ..................................................................................................16
4.8. HIGH PRESSURE WATER HOSES ..................................................................................19
1
4.8.1. HOSE CHECKS ..........................................................................................................19
4.8.2. HOSE USE LIMITATIONS ............................................................................................19
4.9. REACTION FORCES OR “BACK THRUST” (WHERE APPLICABLE) .....................................19
4.10. FROSTY CONDITIONS (WHERE APPLICABLE) ................................................................20
4.11. SAFETY GUN (WHERE APPLICABLE) ............................................................................21
4.12. DURING OPERATIONS ................................................................................................22
4.13. DURING MAINTENANCE ..............................................................................................22
4.14. TOOLS ......................................................................................................................22
4.15. REPLACEMENT PARTS ...............................................................................................22
4.16. PERFORMANCE..........................................................................................................22
4.17. RISK OF CARBON MONOXIDE POISONING (VANPACK ONLY) .........................................23
............................................................................................................................................23
4.18. PRESSURE SAFETY DEVICE ........................................................................................23
4.19. EXPOSURE TO VIBRATION ..........................................................................................23
............................................................................................................................................23
4.20. LEGIONNAIRE’S DISEASE ...........................................................................................24
SECTION 5 – OPERATION ..........................................................................................25
5.1. OPERATING CONDITIONS .............................................................................................25
5.2. DAILY CHECKS ............................................................................................................25
5.3. PRE-START CHECKS & PROCEDURES ...........................................................................25
5.4. STARTING THE ENGINE AND SETTING THE OPERATING PRESSURE..................................26
5.4.1. OPERATING STARTING PROCEDURE ...........................................................................27
5.4.2. CHECKING THE OPERATING PRESSURE WITH A NOZZLE FITTED ...................................28
5.4.3. CHECKING THE OPERATION USING A DRY SHUT GUN ..................................................28
5.5. FROST PRECAUTIONS ..................................................................................................29
5.5.1. TO ANTIFREEZE THE MACHINE ...................................................................................29
5.5.2. TO DE-ANTIFREEZE THE MACHINE .............................................................................30
5.6. ADDITIONAL STORAGE .................................................................................................31
SECTION 6 - ROUTINE MAINTENANCE .....................................................................32
6.1. MAINTENANCE PROCEDURES .......................................................................................32
6.2. DAILY MAINTENANCE ...................................................................................................33
6.3. PUMP, GEARBOX AND ENGINE LUBRICATING OIL ..........................................................34
SECTION 7 – FAULT FINDING ....................................................................................35
SECTION 8 – PUMP AND GEARBOX .........................................................................36
2
SECTION 9 – CIRCUIT DIAGRAMS ............................................................................47
9.1. WIRING DIAGRAM FOR HONDA GX690 ENGINE .............................................................47
SECTION 10 - ENGINE ..............................................................................................48
SECTION 11 – PARTS LIST / SPARES .....................................................................49
11.1. INTRODUCTION ..........................................................................................................49
11.2. ORDERING SPARE PARTS ..........................................................................................49
11.3. ROUTING MAINTENANCE / CONSUMABLE ITEMS...........................................................49
11.4. CONSUMABLE COMPONENTS .....................................................................................49
11.5. PARTS LIST ...............................................................................................................50
SERVICE DOCUMENTS ............................................................................................53
12.1. SERVICE CHECKLIST ..................................................................................................53
12.2. SERVICE LOGBOOK ...................................................................................................54
SECTION 13 – WARRANTY ......................................................................................55
13.1. WARRANTY OF NEW PRODUCTS: ................................................................................55
13.2. LIMITATIONS OF WARRANTY:......................................................................................56
3
1.2. Introduction
Read this manual before you operate, or carry out any maintenance on the high pressure
jetter. Important safety information is highlighted as WARNING and CAUTION instructions.
You must obey these instructions. The use of warnings and cautions is defined below:
WARNING
Warnings are given where failure to observe
the instruction could result in injury or
death to persons
CAUTION
Cautions are given where a failure observe
the instruction could result in damage to
the pump or to associated equipment
Notices
Carefully read the notices of this manual because they give important information
concerning safe installation, use and maintenance; familiarise yourself with the workings of
the machine in order to rapidly switch it off and eliminate pressure.
This manual is an integral and essential part of the product; it will be consigned to the user in
order to ensure the training/information for personnel.
The manufacturer does not assume responsibility for damage caused to persons, things or
to the machine, in the case of improper use. Carefully preserve this manual for any further
consultation.
Identify the model of your machine by reading the details on the identification plate. Upon
delivery, inspect the machine / accessories for any damage, which may occur during
transport.
IMPORTANT, Follow the recommended operating procedures at all times; do not misuse the
equipment as this could result in injury or mechanical breakdown!
4
1.3. Scope of this Manual
This manual provides operation, maintenance and safety instructions for the jetter. Where
the jetter has been fitted with proprietary components, details of these are also included in
this manual.
This manual is compiled to match the Scope of Supply detailed in Section 2. All
specifications, descriptions and parts lists refer only to the components in the version of the
unit detailed in this scope of supply.
Maintenance instructions included in this manual include:
•
Routine maintenance to be carried out at specific times.
•
Maintenance of the high pressure pump.
Repairs to the pump crankcase are not considered maintenance operations as these should
be undertaken only by HARBEN INC, their approved agents, or at least competent
automotive engineers.
1.4. The Vanpack
The vanpack is a highly versatile mobile high pressure water jetting unit, which offers the
benefits of proven power pack and pump performance with a comprehensive range of
accessories.
Developed for a wide range of water jetting applications, the vanpack has been meticulously
designed for safe and efficient use.
Additional accessories can be purchased from Harben Inc, such as floor cleaners, jetting
guns and jet pumps which extend the range of work that can be carried out with the jetter.
Separate details are available on request.
5
1.5. Composition of this Manual
This manual comprises the following further sections:
Section 2
Scope of Supply
This section defines the scope of supply of the equipment in compliance with the sales
order.
Section 3
Technical Data
This section contains technical information about the unit.
Section 4
Health & Safety
This section details health and safety considerations in general and specific to water jetting
equipment.
Section 5
Operation
This section describes the recommended operating procedures for the unit.
Section 6
Routine Maintenance
This section details recommended routine maintenance requirements for the pump and unit.
Section 7
Fault Finding
Fault diagnosis tables for the pump, engine and ancillaries.
Section 8
XLTI Pump & Gearbox
Details of the pump and gearbox assembly.
Section 9
Circuit diagrams/Electrical Details
This section includes the hydraulic, water and electrical circuits including engine controller &
wiring loom.
Section 10
Petrol Engine
This section provides part details of the Honda petrol engine
Section 11
Parts list / Spares / Auxiliary components
How to identify and order spares / auxiliary components.
Section 12
Service Documents
Service logbook and checklist.
Section 13
Warranty & Certification
6
Section 2 – Scope of Supply
2.1. Scope of Supply
Unit:
115 Series Mk2
2.2. Pump Assembly
The General Arrangement drawing No. 003-284/3, defines the components of the vanpack
assembly as follows:
The pump is driven by an industrial petrol engine.
The engine drives the pump via a 2.176:1 reduction gearbox which reduces the pump rpm
down to the correct shaft speed.
Water is fed through the inlet hose reel from a mains supply into a plastic water storage
tank; the tank supplies the pump with a positive head of pressure via an inline strainer that
filters the water to approximately 80 microns.
The engine is controlled by the Honda control panel to adjust engine speed with the throttle.
The unit operates a ‘dry shut’ system with an unloader valve to control the pressure. The unit
is fitted with a valve on the swing out hose reel which when shut will cause the unloader to
open, diverting water back to the tank.
The unit is fitted as standard with a 60m x 3/8” hose. Other options are available.
2.3. Detailed Drawings
Detailed drawings and parts lists for the above components are provided as follows:
The pump is detailed in Section 8.
Details of other parts and assemblies are included at Section 11.
7
Section 3 - Technical Data
3.1. Technical Data
3.1.1. Pump Data
Pump Type
Hawk XLTI R (See Section 8)
Pump width
10” approx.
Pump length
15” approx.
Inlet
G3/4” (¾”” BSP)
Outlet
G1/2” (1/2” BSP)
Shaft diameter
28 mm
Shaft length
50 mm
Cylinder options
3
Power rating (nominal)
16.5 kW (22 hp)
Piston diameters
24 mm
Shaft speed
11655 rpm
Maximum pressure
200 bar (3000 psi)
Max Flow rate
36 lpm
Crankcase lubrication
Fully immersed
Oil capacity (gal)
0.31
Weight (lb)
38
Recommended crankcase oil
SAE 10W-40
8
3.1.2. Main Components
Engine
903731 Honda GX690 Petrol (29Hp @ 3600 rpm)
Pump
067889 Hawk XLTI R
Gearbox
067848 Hawk Type B31 2.176:1
_________________________________________________________________________
3.1.3. Ancillaries
Water tank
903729 125 gal capacity
Supply filter
042134 Hypro line strainer / 80 micro mesh
Monitoring & Control
Standard engine controller and throttle
Pressure Control and Safety
035379 Unloader valve 4000 psi max.
035401 Safety relief valve 4500 psi max. (set at 15%
above working pressure)
________________________________________________________________________
3.1.4. Services Required
Mains water supply
Positive head capable of delivering greater than 13
gpm.
Note: Water pH value of 5 to 9 is recommended.
9
3.2. Technical Description
3.2.1. Primary Components
The primary components of the vanpack is illustrated on dwg. 003-284 which are as follows:
•
A prime mover in the form of an industrial petrol engine which drives a plunger high
pressure pump.
•
The pump is capable of producing high-pressure water.
•
Note: See above or section 8 for performance options.
•
A hydraulic driven hose reel c/w 300 ft of single wire braid high pressure hose with
either a nozzle or gun attachment to deliver the high-pressure water to the work
application.
•
Plastic polyethylene water tank, acting as a reservoir, also ensuring the water is
settled and non-turbulent, discharging a smooth uninterrupted supply, with a positive
head of pressure to the inlet, maximising the full potential of the pump.
•
The pressure valves either directs high pressure water to the hose (valve open) or
diverts water through the unloader valve back to the tank (valve shut).
•
The control panel which includes the engine controller, the pressure gauge, the
emergency stop button.
•
A Hypro 80 micro mesh inline strainer is fitted to the suction line between the tanks
and the pump inlet.
Note: This is a critical component which ensures that no contaminants are drawn into
the pump inlet. This filter must be inspected and cleaned daily, if it becomes blocked
it will cause the pump to cavitate)
3.2.2. Engine Monitoring
Engine oil pressure and hours run are monitored on the engine control panel.
3.3. Installation Details
Installation drawing no. 003-284/3 provides overall dimensions.
10
11
Section 4 – Health & Safety
4.1. Introduction
This section should be read in conjunction with the WARNING and CAUTION notices
contained throughout this manual or any safety notices on any items of the equipment
supplied.
The use of WARNINGS and CAUTIONS is defined below:
WARNING
Warnings are given where failure to
observe the instruction could result in
injury or death to persons
CAUTION
Cautions are given where a failure observe
the instruction could result in damage to
the pump or to associated equipment
All procedures and recommendations in this manual must be strictly adhered to by operators
of the unit, or by any person passing within close proximity.
All Company Safety Regulations applicable must be adhered to at all times.
The following notes, and safety notices throughout this manual, are intended to guide the
operator in the safe use and maintenance of the equipment. Whilst every effort has been
made for completeness, these notes and notices must be supplemented by the knowledge,
training and experience of persons carrying out their tasks.
12
4.2. Safety Notes
Please see a list of safety notes which should be read and understood before operating the
machine.
For a comprehensive list of general safety warnings relating to the operation of high
pressure water jetting equipment refer to Section 4.6.
•
Operating procedures throughout this manual must be adhered to. In the case of
conflicting or ambiguous instructions, reference must be made to a Site Management
or Safety Officer.
•
Any person operating, working with, or passing near, the unit must wear the
necessary Personal Protective Equipment (PPE).
•
The Site Management should make available to operators or persons working with
the unit, or part thereof, the appropriate technical documentation and should ensure
such persons read and understand the documentation prior to commencing their
duties.
•
Special tools should be used where recommended in this manual.
•
Prior to any maintenance or repair work being carried out, the unit, or part thereof,
must be shut down and equipment isolated.
•
Any maintenance requirements in this manual should be adhered to as minimum
maintenance requirements. Maintenance records should be up to date at all times.
•
Guards which are located within the unit must be fitted and secured in accordance
with the drawings and must not be loosened or removed whilst the unit or part
thereof, is operational. Should it be necessary to remove any guard for access prior
to start-up of the unit, it must be re-fitted and secured before start up.
•
Oils, lubricants, greases and fluids used within the unit must be in accordance with
the recommendations given in this manual.
•
Fully competent personnel must carry out coupling and uncoupling of the unit.
13
4.3. Water Jetting Equipment or High Pressure Equipment
WARNING
High pressure jetting can be extremely
dangerous if it is not properly controlled
by fully trained personnel.
Operators, and the employers of operators, of water jetting equipment should be trained in
accordance with and be fully conversant with the;
•
‘Recommended Practices or the Use of High Pressure Waterjetting
Equipment' (Code of Practice) - Issued by The WaterJet Technology
Association (WJTA)
Copies of the Code of Practice are available from Harben Inc.
Supervisors and operators should always adhere to recommendations and
instructions contained within the Code of Practice
The following Water Jetting Safety Instructions are based on the Code of Practice.
4.4. Water Jetting Safety Instructions
4.4.1. Training
All persons using high pressure jetting equipment should be fully conversant with relevant
operating instructions, safety notes and Codes of Practice. If in doubt, contact Harben Inc for
advice on operator training.
4.4.2. Supervision
All high pressure water jetting operations should be under the control of a fully trained
supervisor, who will be aware of the potential hazards to operators and passers-by.
4.4.3. Jetting Area
Warning notices, "DANGER - HIGH PRESSURE JETTING" should be displayed at all
possible access points to the jetting area. Notices are available from Harben Inc.
4.4.4. Before Starting
Before starting the unit, ensure that you, and anyone else who may be in control at any time,
are fully aware of its controls and their function.
It is especially important that everyone knows how to stop the unit in case of an emergency.
Ensure that all the pre-operational checks have been completed, and that any necessary
actions have been taken.
14
4.5. Personal Protective Equipment (PPE)
All persons using high pressure water jetting equipment should use all necessary PPE
suitable for the task being carried out. Please note PPE shown below can be supplied in
various formats.
PPE for consideration: Hand protection
Head protection
Eye / Face
High visibility
protection
clothing
Hearing
protection
Vibration protection
(not shown)
Body protection
Water jet
penetration PPE
Foot protection
Respiratory protection
Harness if working at height
(not shown)
(not shown)
Please note, a site-specific job hazard analysis must be completed to analyse which PPE
must be worn. For more information visit osha.gov
A full range of PPE is available from Harben Inc.
15
4.6. General Warnings
1. Never use high pressure jetting equipment that has not been regularly serviced
according to manufacturer’s specifications.
2. Always carry out the manufacturer’s recommended daily checks to your jetting unit
before turning it on.
3. When water jetting equipment is used to clean sewers and drains that are
contaminated with hazardous substances it is possible these may be entrained in the
resulting aerosol and inhaled by the operator. Consider using a respirator.
4. Never start the jetter frozen. Operating jetting equipment while frozen could cause
high speed ice bullets to be ejected from the jetter hose upon machine start up.
5. Never start jetting a drain, sewer or pipe unless the jet nozzle is safely inside the
drain and pointing in the direction that you intend it to travel.
6. When jetting a drain, sewer or pipe with an inside diameter that is not small enough
to prevent the hose from turning back on itself, a drain jet extension (a piece of
straight rigid tube equivalent to the pipe diameter) should be fitted between the end
of the hose and the nozzle.
7. Always consider the use of a safety leader hose at the beginning of the main jetting
hose to alert operators when the jet nozzle is nearing the manhole entrance.
8. Always consider the use of a tiger tail hose feed guide to protect the jetting hose from
abrasion and prevent premature failure.
9. Be aware that high pressure hoses can generate static electricity which may need to
be controlled when working in hazardous areas.
10. When jetting drains or sewers if there is a danger to the general public from hoses
laying across sidewalks they must be covered in such a way as to protect against
injury from hose failure and tripping hazards.
11. Before starting work, check and ensure the drain jets have no blocked holes or
nozzles as this may cause the pumping system to over pressurize which could result
in burst disc failure or bursting the jetting hose.
12. Never attempt to unblock a fully choked drain or pipe before considering the
consequence of releasing the blockage and having a plan to deal with it. e.g.
flooding, material ejection, drain nozzle ejection.
13. Never attempt to clean drains or pipes in one pass because this could lead to debris
build up behind the jet nozzle causing a pressure build up in the drainage system. Be
aware that a pressure build up in the drain or pipe could cause the jet nozzle to be
ejected at speed back towards the operator.
14. Never enter the manhole to either place the jet nozzle into or extract it from the drain
entrance unless the required confined space regulations have been met.
16
15. Never work in a manhole with a radio remote control transmitter that is not classified
for use in such areas.
16. Never use the hydraulic hose reel facility as a winch to retract a jetting hose that has
become stuck in the drain or pipe. Damage to the hose could be caused that will
make subsequent hose failure more likely.
17. Never allow jetting hoses to become kinked and always remove from service any
jetting hose with an outer cover that has worn through to the reinforcing braid.
18. Never use the high pressure jetting hose for any purpose other than sewer, drain or
pipe cleaning e.g. winching vehicles or other plant.
19. Never use jetting nozzles and/or accessories that have not been calibrated for the
jetting machine pump performance as this could cause rapid over pressurization
catching operators unaware.
20. Never attempt to clean a drain or pipe with a nozzle that has more forward force than
rear force. It could be ejected back toward the operator causing injury.
21. Never attempt to clean a drain or pipe with a chain flail type jet that has unequal
chain lengths as this could lead to severe vibration and high pressure hose failure.
22. When using a venturi jet pump to remove fluid from a flooded manhole never place
your fingers into the pump inlet as they could be trapped by the vacuum and injured.
23. When using a venturi jet pump to remove fluid from a flooded manhole always
secure the free end of the pump hose securely and ensure adequate drainage is in
place to deal with high volumes of pumped water.
24. Never use a dry shut type foot control valve on a jetting machine that does not have
a pressure unloader valve as this could result in burst disc failure or bursting the
jetting hose.
25. Never use a dry shut type jetting gun valve on a jetting machine that does not have a
pressure unloader valve as this could result in burst disc failure or bursting the jetting
hose.
26. When using a dry shut type system be aware that high pressure can be retained in
the jetting hose even after the machine has been shut down. Always discharge
pressure in a safe manner after machine shut down.
27. Never point the gun at anyone as injury from high pressure water will occur if the jet
stream comes into contact with body parts.
28. Never work on a slippery surface because the reaction force of the jetting gun could
cause you to become unstable and lose your footing.
29. Never work from a ladder as the reaction force of the jetting gun could cause the
ladder to fall backwards from the working area causing possible injury.
17
30. Never work from scaffolding unless it is designed, erected and managed by
competent persons and it is adequately secured to prevent is being pushed over by
gun reaction forces.
31. When using the jetting gun to clean hard surfaces be aware that splash back could
contain hard debris travelling at speed.
32. When using the jetting gun to clean contaminated surfaces be aware that splash
back could contain dangerous contaminants.
33. Never use the jetting gun to clean a surface that could be damaged or penetrated by
the water pressure unless that is the desired effect.
34. Never use a high pressure jetting gun to clean down PPE whilst you or others are still
wearing it as serious injury and death could result.
35. When using a jetting gun or nozzle to clean at floor level wear suitable protective foot
wear.
36. Always ensure that an adequate area is cordoned off around the working zone so
that flying debris and contamination cannot injure passers-by.
37. Be aware that the use of water jet guns fitted with oscillating or rotating heads tend to
produce higher hand arm vibration levels than simple fixed head jets.
38. Never use a high pressure jetting gun to wash or cool down livestock as serious
injury and death could result.
39. Never use ANYTHING other than a pressure disc in the holder. A pressure disc is
designed to burst for a reason. Use of anything else may over pressurize the pump
and cause personal injury.
40. The number of operators required to carry out the water jetting task must be decided
after performing a job hazard analysis but always consider having a nozzle operator
to perform the jetting task and a pump operator to control the machine and act as a
safety lookout.
HIGH PRESSURE WATER JETTING CAN BE DANGEROUS OR EVEN FATAL IF
THE PROPER PRECATIONS ARE NOT TAKEN. DON”T BECOME A STATISTIC!
18
4.8. High Pressure Water Hoses
4.8.1. Hose Checks
The following checks must be made at regular intervals during the unit’s life span:
•
High pressure jetting hoses must be checked along their entire length at the start of
each shift to ensure that they are free from external damage. Hoses with exposed or
broken reinforcing braid or damaged couplings and fittings may fail without warning
and must be replaced immediately.
•
Before use check end fittings and couplings for damage to threads, sealing faces and
rounding of connection nuts. Only use the correct size spanner to tighten the hose
fitting. Stilsons or adjustable spanner type tools with serrated teeth must not be used.
4.8.2. Hose Use Limitations
The hoses’ intended use is water jetting, any other uses are strictly prohibited, they include:
•
Using the hose for applications above the maximum working pressure
•
Using the hose as a towing aid
•
Using the hose as a lifting or restraining device
4.9. Reaction Forces or “Back Thrust” (where applicable)
It is a mandatory requirement to carry out a job hazard analysis for each new application
before commencing work. This must include calculating the reaction force created by the jet,
taking into account; pressure, flow, nozzle coefficient of discharge and pressure drop
through the hoses fittings and gun. Harben Inc. can offer assistance with this process if
required.
It is not recommended that any one person be required to withstand a back thrust of more
than 1/3rd of their bodyweight for an extended period of time. For example an operator
weighing 160 lbs should not handle a back thrust of more than 53 lbs for extended periods.
WARNING
Water jetting accessories can generate high back thrusts that
can fatigue operators and may lead to them tripping or falling
with the potential for serious injury. To avoid physically
stressing the operator always rotate tasks to allow adequate
rest periods.
19
4.10. Frosty Conditions (where applicable)
If frost has occurred there may be frozen water in the hose or pump which will cause a
dangerous blockage. Ice bullets could be ejected from the end of an open hose at
dangerously high speed capable of causing serious injury or death.
WARNING
Do not start the pump until the
complete high pressure system has
completely thawed out
20
4.11. Safety Gun (where applicable)
When operating a high pressure water gun follow these steps and make note of important
warnings:
•
Never point a gun or lance at anyone, even if switched off.
•
When using the gun, the jet should be fitted correctly before starting the unit. All
other hose connections must be checked before attempting to start the unit.
•
Do not allow children the opportunity to play with the equipment!
•
Always consider using a safety shroud to provide the operator with greater protection
in the event of a hose burst.
WARNING
High pressure water jet! Grip lance with
both hands. Never direct jet of water
towards people or animals.
WARNING
High pressure water can be extremely
dangerous
do
not
leave
plant
unattended!
21
4.12. During Operations
•
If water appears from the hose, coupling or connector, often first sighted as a fine
mist, then the hose is damaged and could burst or a joint is loose or defective. STOP
THE UNIT IMMEDIATELY!
•
No attempt should be made to adjust any hose, coupling or connector whilst that part
of the system is under pressure.
4.13. During Maintenance
•
A unit undergoing maintenance should be isolated from other plant or suitably
identified to ensure that it is not used inadvertently.
•
Maintenance must only be carried out by skilled personnel, who are conversant with
the nature and dangers of high pressure water, of jetting safety regulations and
Codes of Practice.
4.14. Tools
•
The correct tools of the right size for the job must always be used to avoid damaging
the unit and possibly making it unsafe. Adjustable tools with serrated gripping jaws
should not be used.
4.15. Replacement Parts
•
Only replacement parts which have been obtained from or approved by Harben Inc
are to be used when undertaking maintenance. Using any other replacement parts
will normally invalidate the warranty and could be dangerous.
4.16. Performance
•
Never exceed the maximum rated pressure or engine speed.
Note: The maximum engine speed quoted refers to the “High Idle Speed” at no load
condition, i.e. at the lowest possible pressure.
22
4.17. Risk of Carbon Monoxide Poisoning (Vanpack only)
WARNING
The jetting unit uses a petrol engine that
could cause build-up of carbon monoxide
gases in the vehicles storage or cab area.
Ensure van cab is fully vented after using the jetting unit.
•
The USER should have rear and side doors open when operating the machine.
•
It is advisable to also carry a carbon monoxide monitor in the rear or the vehicle and
the cab of the vehicle as an early warning of any potential risks.
4.18. Pressure Safety Device
•
Pressure relief valves should be checked for functionality and certified by the
manufacturer or their authorised representative at least every 6 months. Pressure
discs should be replaced at least every 6 months to ensure continued safe operation
and only manufacturer’s original replacements should be used.
4.19. Exposure to Vibration
•
The use of ‘Jump or Pulse Jets’ in drain cleaning applications may expose the
operator to vibration levels in excess of the exposure limits action value if the
jetting hose is handled. Water jetting hose should not be handled whilst the
‘Jump or Pulse Jet’ is in operation.
WARNING
Handling the jetting hose with the Jump Jet switched on
for
15
minutes
per
day could subject
operators
to maximum exposure allowable in an 8 hour working
shift. Increased exposure is likely to exceed the
exposure
action
value
and
a
health
surveillance
programme will be required (see below).
If exposures are likely to exceed the exposure action value an action plan of controls to limit
exposures must be provided and acted on. Operators regularly receiving a hand-arm
23
vibration exposure above the exposure action value must be included in a health
surveillance programme to monitor for signs of hand-arm vibration syndrome. Always keep
hands warm and dry under all circumstances. It is good practice to maintain a record of
employee’s exposure to vibration over their working life.
4.20. Legionnaire’s Disease
•
The bacteria are common and are found naturally in water, usually in low numbers.
The bacteria do not seem to multiply below 68°F and will not survive above 140°F;
water temperatures between 70°F and 113°F being optimum for growth. The bacteria
may remain dormant in water temperatures between 43°F and 68°F, multiplying
when water temperatures reach a suitable level.
•
The bacteria also require food to multiply such as algae, amoebae and other
bacteria. The presence of scale, sediment, sludge and other material within the
system may be important in creating favourable conditions for the growth of bacteria
as are biofilms (a thin layer of micro-organisms which may form slime on the
surfaces in contact with the water).
•
As the tanks of the unit are required to be emptied after the completion of jetting
operations, so that the daily checks required by the operation & maintenance manual
can be carried out, each jetting operation will be commenced with fresh water.
•
In the event that the operations manual is ignored and the tanks not emptied, the risk
of bacterial growth within the system would increase but the ambient temperature of
the water in the tanks is likely to reach 68°F, and be maintained at that level, only in
exceptional circumstances.
•
To prevent a build-up of scale, sediment, sludge and other materials and reduce and
associated hose and pipe work be thoroughly cleaned and flushed through at least
every six months (preferably with hot water in excess of 158°F).
24
Section 5 – Operation
5.1. Operating Conditions
Operators of water jetting equipment should be fully conversant with the 'Industry Best
Practices for The Use of High Pressure Water Jetting Equipment’, hereafter referred to as
'The Code of Practice'. A copy of The Code of Practice is available upon request.
Section 4 - Health & Safety in this manual includes a synopsis of the relevant parts of The
Code of Practice, which pertain to this equipment and specifically to single person operation.
5.2. Daily Checks
Carry out all daily checks. Full maintenance checks are detailed in Section 6 - Routine
Maintenance.
They are:
•
pump oil level
•
gearbox oil level
•
water filter cleanliness
•
engine oil level
•
tank water level
CAUTION
If the unit has previously been in operation for more
than 100 hours, other routine maintenance checks
may need to be carried out. Refer to Section 6.
5.3. Pre-start Checks & Procedures
1. Ensure the vehicle hand brake is applied.
2. To fill water tank, connect to water supply, remove the water tank lid when connected
to mains supply in order to comply with water authority byelaws. The water will fill the
tank via the inlet hose reel when the tank is full it will flow out the overflow.
3. Feed off the hose reel approximately 3 metres of high pressure hose. Do not fit the
nozzle or gun at this point!
25
WARNING
At any time during the starting procedure, or during normal
jetting operations, an emergency shutdown can be achieved by
switching off the engine with the key, or pressing the E/Stop
button.
Fig. 1 - E-Stop on control panel. Twist to release.
5.4. Starting the Engine and Setting the Operating Pressure
With two people, one at the pump set and one in charge of the nozzle or gun.
Tank water level
Ensure you have an adequate water supply and that the water tank is at least ½ full. If the
tank runs low, it will automatically shut down the engine.
ATTENTION
Do not allow unfiltered water into the pump.
26
5.4.1. Operating Starting Procedure
1. Ensure high pressure valve is in the dump position (See fig 3).
2. Key switch in ‘OFF’ position (0).
3. Key turned to position one (ON) auxiliary circuits energised.
4. If starting from cold pull out choke (located to the left of the throttle) key should be
turned further against spring pressure to position 3 (START), to ‘CRANK' the engine.
5. Release key when engine starts and it will return to position one (ON) automatically.
6. After 5 seconds push the choke inwards.
7. Water should now be circulating through the pump and be diverted back to the tank via
the unloader valve, with the engine running at slow speed. Allow the engine 5 minutes
to warm up.
8. To divert water to the high pressure hose, use the high pressure valve on the swing
arm. (see fig 3).
9. To increase the speed of the engine, rotate the throttle control anticlockwise.
10. To shut the system down, decrease the engine revs by turning the throttle control
clockwise, then move the valve to the dump position, turn the key switch on the engine
controller to the (0) position or in emergency situations press the emergency stop
button on the radio control panel.
Fig. 3 – High Pressure Valve
(Shown in ‘DUMP’ position)
Fig. 2 – Engine Controller
27
5.4.2. Checking the Operating Pressure with a Nozzle Fitted
1. Fit the correctly sized nozzle to the high pressure hose. See section 11
2. Ensure the nozzle is secured in a safe position, preferably within sight of the operator
at the control panel.
3. Start engine. See Section 5.4.1.
4. Move the valve to the high pressure position.
5. Observe the pressure gauge mounted on the control panel and note the pressure
reading (See fig. 3).
6. Reduce the speed of the engine.
7. Move the valve to the ‘dump’ position.
8. Switch engine controller to position (0) to switch engine off.
Note: If the pressure is significantly lower than expected, turn the unit off and replace the
nozzle with a new one.
WARNING
Do not exceed the maximum operating pressure of 200 bar by
fitting a smaller nozzle than is recommended. This will cause
the safety relief valve to open.
The maximum engine speed is 3600 rpm
5.4.3. Checking the Operation Using a Dry Shut Gun
1. Fit the correctly sized nozzle to the high-pressure dry-shut gun.
2. Ensure the gun is pointed in a safe direction, toward the ground and away from any
persons.
3. Start engine. See Section 5.5.
4. Move the valve to the high pressure position.
5. Pull the trigger of the gun.
6. Observe the pressure gauge mounted on the control panel and note the pressure
reading (See fig. 3).
7. Reduce the speed of the engine.
8. Move the valve to the ‘dump’ position.
9. Switch engine controller to position (0) to switch engine off.
Note: If the pressure is significantly lower or higher than expected, turn the unit off and
replace the nozzle with a new one.
28
ATTENTION
The hose should NEVER be tightly wound onto the hose reel
drum when the hose is not pressurized, as might occur when
the hose has become trapped. A tightly wound hose can easily
crush the hose reel when it is next pressurized. If you have
reason to believe that the hose may have been tightly wound
onto the reel when unpressurized it should be completely
unwound and then rewound loosely before pressurizing.
5.5. Frost Precautions
During periods when there is a risk of freezing, the following precautions should be taken:
5.5.1. To Antifreeze the Machine
The anti-freeze / run valve is located to the front of the unit. (See picture below)
29
1. Put the valve into the AF TANK position.
2. Ensure that the antifreeze tank is full or containing approximately 20 litres of an antifreeze mixture with a strength of no less than a 50/50 mix.
3. Remove the gun or any jetting nozzle from end of the hose.
4. Move the high pressure valve to the ‘PRESSURE’
5. Start the engine and run at idle speed.
6. Hold the open ended hose away from the body pointing it to the ground and away
from any bi-standers.
7. Move the valve to the ‘DUMP’ position when the anti-freeze mixture starts to come
out of the high pressure hose.
8. Stop the engine by switching the ignition switch off.
9. Empty the water tank using the drain valve situated at the bottom left of the unit.
(Note: - ensure the tank is re- filled before starting the engine)
5.5.2. To De-Antifreeze the Machine
1. Place the anti-freeze valve into the ‘MAIN TANK’ Position. See picture below.
2. Re-fill the water storage tank.
3. Place the open ended hose into the anti-freeze tank filler point.
4. Move the valve to the ‘PRESSURE’
5. Start the engine.
30
6. Pump out the remaining anti-freeze solution from the high pressure hose back into
the container. Top up & check the strength of the anti-freeze mixture ensuring it is at
least a 50/50 mix.
7. As soon as clear water comes out of the hose move the valve to the ‘DUMP’ position.
8. Turn engine off.
9. Revert back to normal operating conditions.
5.6. Additional Storage
ATTENTION
When storing additional equipment take care not to overload
the storage areas around the vanpack. Take care especially
around the battery/electrical system.
Failure to do so may result in damage to the vanpack and is a
potential fire risk to the vehicle.
31
Section 6 - Routine Maintenance
Table 1 provides a basic guide to routine maintenance requirements for the various
components of the vanpack.
Warning: Maintenance should only be carried out with the engine turned off and when cold.
6.1. Maintenance Procedures
Table 1 indicates recommended routine maintenance tasks cross referenced to
maintenance procedures.
GENERAL
after 8 hours running
•
•
•
•
Check inlet water filter element (Ref Para 6.2)
Check engine oil level on dip stick (Ref section 10)
Visual check for hose damage/water leaks
Check emergency stop button operation
Weekly / 24 hours
•
Visually inspect van pack for security checking for any
loose, damaged or missing parts
Check air filter cleanliness (Ref section 10)
Check engine fuel filter for contamination (Ref section
Prior to use / Daily /
•
•
10)
•
•
First service contact Harben Inc.
Replace pump oil (only required for first service only)
hours
•
•
•
•
Inspect tanks and fittings for leaks
Tighten any loose joints
Check condition of 12 volt start battery
Grease battery terminals for protection
Yearly / 200 hours
•
Intermediate service of engine, gearbox and pump
required (Contact Harben Inc.)
Closely inspect the structural integrity of the framework
for signs of stress and cracking
Carry out detailed inspection of pipes, hoses and fittings
Check unloader valve operation
Three monthly / 50
hours
Six Monthly / 100
•
•
•
Two Yearly / 400 hours
•
•
Major service of engine, gearbox and pump required
(Contact Harben Inc.)
Check wiring terminals/connections and continuity of
electrical earth.
Table 1 Recommended Routine Maintenance
For a detailed guide to pump maintenance and overhaul procedures refer to Section 8.
For routing engine maintenance please refer to the engine handbook supplied with the unit.
32
6.2. Daily Maintenance
The following must be completed daily with the vanpack switched OFF.
1. Check condition of inlet water filter & element. Clean or replace. (Harben part no.
N05105)
Unscrew the bowl to remove the mesh (Harben part no. N06021). Take precautions
so as not to lose the sealing ring (Harben part no. N05108).
33
2. Visually inspect all hoses for signs of chaffing or leaks. Report any damage
immediately to supervisor or manager.
WARNING
Water at high pressure jetting from a damaged hose or hose
connector can cause serious injury. Do not attempt to repair or
secure any hose while the high pressure pump is running.
With the vanpack running:
3. Make further inspection for leaks. If a leak is observed, shut down immediately and
report the leak to a supervisor or manager.
6.3. Pump, Gearbox and Engine Lubricating Oil
Pump
SAE 10W40
0.32 gal
Gearbox
SAE90
0.1 gal
Engine
SAE 5W30
0.32 gal
34
Section 7 – Fault Finding
Most of the problems experienced during jetting operations are likely to be caused by the
pump or the associated hoses.
Engine problems are covered in Section 10.
Pump and gearbox problems are covered in Section 8.
35
Section 8 – Pump and Gearbox
36
37
38
39
40
41
42
43
44
45
46
Section 9 – Circuit Diagrams
9.1. Wiring Diagram for Honda GX690 Engine
47
Section 10 - Engine
A copy of the Engine Manufacturer’s Operators Handbook is supplied with this equipment.
48
Section 11 – Parts List / Spares
11.1. Introduction
This section includes advice on obtaining spare parts.
To identify consumable items and service kits you require you should use the information in
this section. To identify components for the pump or engine etc. refer to the relevant parts in
this manual.
11.2. Ordering Spare Parts
Order spare parts from:
Harben Inc.
2010 Ronald Reagan Blvd.
Cumming GA 30041
Tel. (770) 889-9535 - Fax. (770) 887-9411
email: sales@harben.com
www.harben.com
11.3. Routing Maintenance / Consumable Items
See Section 6
11.4. Consumable Components
See Section 6
49
11.5. Parts List
Part
Number
900294
903224
013224
015295
0230115
0231585
0231613
0231617
033010
033013
033014
035379
035401
042134
0421927
0422319
0422913
0422953
0422954
0422956
0422984
043057
043133
043201
044502
048106
0511009
055024
055063
058253
061635
061781
061851
061867
061869
061870
067848
067889
071412
0781070
079210
079210
079236
Description
1/2" NPTF FIXED TEE
1 1/4" BULKHEAD
ADAPTOR BHEAD 1/2" BSPM x1/2"BSPM 415BAR C/W LNUT
SEAL BONDED M20 SELF CENTRALISING 400-233-4490-41
1/2" NPT ROTART JOINT
#10 JIC BULKHEAD
ADAPTOR 1 1/4" NPTM - 3/4" BSPM
ADAPTOR 1/2" BSPF SWIV - #10 JIC M
SEAL BONDED 1/2" BSP 400-825-4490-41 448 BAR SELF CENTRALISING
SEAL BONDED 3/8" BSP 400-823-4490-41 492 BAR SELF CENTRALISING
SEAL BONDED DOWTY 3/4"
VALVE UNLOADER/SAFETY RELIEF VB85/VS85 280BAR 80LPM
VALVE SAFETY RELIEF (SRV) VS 310 HAWK 310 BAR @ 40LPM
FILTER
EXHAUST FLOOR TUBE
SUPPORT TANK FILL POINTS
BRACKET CONTROL BOX 115 SERIES VP
INLET REEL BRACKET - 115 SERIES MK2
ENGINE GRILLE - 115 SERIES MK2
BRACKET 3 WAY VALVE ASSY 115 SERIES MK2
UNLOADER BRACKET 115 SERIES MK2
1/2" DIFFUSER
LABEL UNIT SPECIFICATION
1 1/4" STR BARB
FRAME 115 SERIES Mk2
INLET HOSEREEL PERPENDICULAR WALL MOUNT - RAPID REEL
CABLE END - CHOKE - HONDA GX690 CABLE HOLDER
1/2" NYLOBRAID
1 1/4" HOSE
FRONT PANEL GRP MOULDED 115 SERIES
LABEL WARNING! MACHINE OPERATION
LABEL WARNING DAMAGE CAUSED BY FREEZING
LABEL 'BRITISH INDUSTY'
LABEL 115 SERIES Set
LABEL 115 SERIES ANTIFREEZE
LABEL 115 PETROL WARNING LABEL
GEARBOX 2.176:1 23 KW HAWK 2445.15
PUMP ASSY HAWK XLT3325I 250BAR 33LPM 1450RPM SEE IMPORTANT NOTE
FLOAT SWITCH
SPACER ALUMINIUM - 40mm OD x 11mm ID x 10 THK
EXHAUST ELBOW 300 SERIES VP LONG
EXHAUST SHORT ELBOW
EXHAUST LONG LEG ELBOW 1 1/2" OD 115 SERIES
Quantity
1
2
1
1
1
2
1
1
7
2
1
1
1
1
1
1
1
1
1
1
1
2
1
5
1
1
1
200 FT
15FT
1
1
1
1
1
1
1
1
1
1
4
1
1
1
50
079236
085345
085356
118125
118126
118127
25114
7002036
900231
900274
900290
900295
900322
900323
900324
900325
900326
900327
900328
900329
900330
900331
900332
903058
903093
903111
903151
903172
903175
903178
903197
903225
903238
903389
903729
903730
903731
903732
903733
903734
903735
903736
903737
903738
903739
903740
EXHAUST LONG ELBOW 1 1/2" OD
ANTIFREEZE TANK
FUEL TANK
DRIP TRAY LEFT HAND SIDE - 115 SERIES MK2
DRIP TRAY RIGHT HAND SIDE - 115 SERIES MK2
FILLER CAP COVER - 115 SERIES MK2
HOSE CLIP
SWING OUT HOSEREEL ASSEMBLY
1 1/4" LOCKRING
#10 JIC ELBOW BARB
ADAPTOR ELBOW #10 JIC M/F SWIV
ADAPTOR 1/2" BSPM - #10 JIC
1 1/4" BALL VALVE 3 WAY T-PORT
1 1/4" M - 1/2" F REDUCER
1 1/4" F/F SOCKET STRAIGHT
ADAPTOR M20 - #10 JIC M/M
ADAPTOR 1/4" NPTM - 1/2" BSPM MS 415 BAR
ADAPTOR 3/8" BSPM - #10 JIC M
EXHAUST CLAMP 1 1/2"
FASTENER EXHAUST CLAMP 1.5/8
#10 JIC CAP
ADAPTOR 1/2" NPT - 1/2" BSP M/M
ADAPTOR 1/2" NPT - 3/8" BSP M/M
ADAPTOR 1/2" NPT - #10 JIC M/M
GAUGE PRESSURE
1 1/4" ELB M/F
HOSE CLIP 5/16"
1 1/4" TEE
1 1/4" HOSE CLAMP
1/2" HOSE CLAMP
1/2" NPT F STR BARB
1 1/4" NIPPLE
1 1/4" BALL VALVE 2-WAY
1 1/4" ELB BARB
TANK 125 GAL LOAF TYPE
STRAP ASSEMBLY RATCHET TYPE. 25MM WIDE NYLON
1
1
1
1
1
1
1
1
2
11
1
4
1
1
2
1
1
1
2
2
1
1
1
6
1
1
4
2
9
12
1
4
2
4
1
2
ENGINE HONDA V TWIN GX690 22 HP @ 3600RPM PETROL C/W MUFFLER
THROTTLE TWIST WITH CABLE 40"
CHOKE + CABLE
BATTERY 12V 36AH TYPE 153
LEAD BATTERY 750mm NEGATIVE 12V
LEAD BATTERY 940mm POSITIVE 12V
LABEL "E-STOP" SELF ADHESIVE
E STOP TWIST TO RELEASE including NC ACTUATOR 78-3724 78-3732
BATTERY RETAINING BRACKET
HAND KNOB 1/4" UNC
1
1
1
1
1
1
1
1
1
5
51
903741
903742
903743
903744
903745
903746
903747
903748
903749
903750
903751
903752
903753
903754
903755
903756
903757
HOOD LATCH RUBBER
HINGE
SIGHT GAUGE FOR FUEL TANK 115
BREATHER PORT FOR FUEL TANK 115
FILLER CAP FOR FUEL TANK 115
CARBON CANNISTER 115
FUEL HOSE 1/2"
STICKY BACKED SADDLE CLIP
SADDLE TYPE CABLE TIE MOUNT
HOSE ASSY 1/4" NPT F/F - ELB/STR 23" 4000PSI WP
HOSE ASSY #10 JIC STR/ELB 90DEG F/F 26"
HOSE ASSY #10 JIC ELB/ELB F/F 26" 4000 PSI WP
FUEL HOSE 1/4"
FUEL HOSE 5/16"
EXHAUST LAGGING GW304 FORTAGLAS WEBBING 76 X 3MM 35050.76 ARCO REF
WIRE COPPER EXHAUST LAG FASTNING
HOSE 3/8" 300ft NPT M/F ENDS
903758
A180430
N05114
EXHAUST TUBING FLEXIBLE 1 1/2" ID
ROD STRAP RETAINER WATER TANK
SIGHT GLASS 10"
2
2
1
1
1
1
3FT
2
4
1
1
1
4FT
6FT
6FT
6 FT
1
2FT
4
1
52
Service Documents
12.1. Service Checklist
53
12.2. Service Logbook
54
Section 13 – Warranty
13.1. Warranty of New Products:
Equipment manufactured and supplied by Harben Inc. is warranted to be free from defects in
materials and workmanship.
The warranty includes both parts and labor necessary to correct any such defects.
The warranty period for new products is one year or 2000 hours, whichever occurs soonest,
from date of shipping from our factory.
We shall repair or, at our option, replace free of charge any product, part(s) or component(s)
manufactured by Harben Inc. which fail due to faulty manufacture or material within the
warranty period.
For all products not manufactured by Harben Inc; the warranty period is one year. The
following exceptions to the one year warranty period are listed below.
Engines – Please see the engine manual that came with your machine.
Poly Tanks – All poly tanks are warranted for three years for material and workmanship.
In Order To Make A Claim:
1. You must be the original purchaser of the machine in which these components were
originally installed.
2. You must notify Harben Inc. with the pump serial number and any substantiation
which may include, but is not limited to, the return of parts that we may reasonably
request.
3. All components must have been installed and maintained in accordance with good
industry practice and any specific Harben recommendations, including those in
Harben’s maintenance schedule that is supplied with your machine.
4. Harben Inc. will replace, at the customers cost, any part returned for warranty. Once
inspection has been completed and the part deemed to be warranted, Harben Inc.
will credit your account for amount of the new part, minus taxes and shipping
charges.
5. Harben Inc. warranty DOES NOT cover travel charges or down time.
Provision of this warranty shall not apply to any Harben product which has been:
•
Used for a purpose for which it is not designed for; or
•
Applied to a use which has not been approved by Harben Inc; or
•
Subject to misuse, negligence, lack of maintenance or accident; or
•
Repaired or altered in any way so as, in the judgement of Harben Inc; to adversely
affect its performance and reliability; or
•
Normal wear and tear
55
13.2. Limitations of Warranty:
The new product and spare parts warranty is limited to defects in material or workmanship of
the product. It does not cover loss of time, inconvenience, property damage or any
consequential damages. Repair or replacement of the product is your exclusive remedy.
Our liability under this clause shall be in lieu and to this exclusion of any warranty or
conditions implied or expressed by law as to the quality or fitness for purpose of any goods
supplied hereunder PROVIDED THAT nothing in this clause shall operate so as to exclude
liability for death or personal injury arising from the negligence of the company or its
employees.
Our obligations as aforesaid shall constitute the full extent of our liability in respect of any
loss or damage sustained by the purchaser whether caused by any breach of this contract or
by our negligence or otherwise and we shall not be liable to make good or pay for loss of
use of the goods, loss of revenue, loss of profit or goodwill or any direct or consequential
losses howsoever caused and the purchaser undertakes to indemnify us against any such
claims against us by third parties.
All products manufactured, supplied or installed for use at work are tested before they leave
our factory and are supplied with adequate instructions for their proper use. Further copies
of these instructions are available from us upon request.
56
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