Important Operator Instructions Foreseen Use of

Operator Instructions
Includes - Foreseen Use, Work Stations, Putting Into Service, Operating,
Dismantling, Assembly and Safety Rules
Read these instructions carefully before installing, operating,
servicing or repairing this tool. Keep these instructions in a safe
accessible place.
Universal Air Tool Company Limited
Unit 8
Lane End Industrial Park
High Wycombe
HP14 3BY
Tel No (01494) 883300 Fax No (01494) 883237
Product Nett Weight
Recommended Use Of
Balancer Or Support
Air Pressure
Recommended Working
Recommended Minimum
Product Type
Cut Off Tool
Model No/Nos
Serial No
Cycles Per Min
Recommended Hose Bore
Size - Minimum
Recommended Max.
Hose Length
Noise Level Sound Pressure Level 86.0 dB(A)
Personal Safety Equipment
- Safety Glasses
- Safety Gloves
- Safety Boots
- Breathing Masks
- Ear Protectors
Test Method Tested in accordance with Pneurop
test code PN8NTC1
Vibration Level
Less than 2.5 Metres / Sec²
Test Method Tested in accordance with ISO
standard 8662
Foreseen Use of the Tool
This tool is designed to be used with appropriate cutting discs only..
The tool should not be used with any other type of abrasive disc or
wheel. It must never be used with saw blades or other cutting devices.
Do not use the tool outside the design intent. Never modify the tool for
any other purpose, or for its use as a disc cutter without first seeking
advice from the manufacturer or an authorised representative.
Work Stations
The tool should only be used as a hand held hand operated tool. It is
always recommended that the tool is used when standing on a solid
floor. It can be used in other positions but before any such use the
operator must be in a secure position having a firm grip and footing and
be aware of the safety rules to be obeyed when using the grinder.
air filter, regulator, lubricator (FRL) is used as shown in Figure 1 as this
will supply clean, lubricated air at the correct pressure to the tool.
Details of such equipment can be obtained from your supplier. If such
equipment is not used then the tool should be lubricated by shutting off
the air supply to the tool, depressurising the line by pressing the trigger
on the tool. Disconnect the air line and pour into the intake bushing a
teaspoonful (5ml) of a suitable pneumatic motor lubricating oil
preferably incorporating a rust inhibitor. Reconnect tool to air supply
and run tool slowly for a few seconds to allow air to circulate the oil. If
tool is used frequently lubricate on daily basis and if tool starts to slow or
lose power.
It is recommended that the air pressure at the tool whilst the tool is
running is 90 p.s.i./6.3 bar.
Putting Into Service
Air Supply
Use a clean lubricated air supply that will give a
measured air pressure at the tool of 90
p.s.i./6.3 bar when the tool is running with the
recommended hose size and length. It is
recommended that the tool is connected to
the air supply as shown in figure 1. Do not
connect the tool to the air line system without
incorporating an easy to reach and operate air
shut off valve. The air supply should be
lubricated. It is strongly recommended that an
Page No 1
The lever is the on/off valve for the tool. Connect to a suitable air supply
and ensure that the air pressure, measured at the tool inlet, with the tool
running does not exceed 90 psi (6.3 bar). Select disc and ensure that
the disc is not cracked or damaged and that the speed rating of the disc
is in excess of 25,000 rpm. Fit the disc and tighten screw using the
supplied allen key while holding arbour with supplied spanner. Do not
over tighten as this could crack the disc. Ensure wheel is in place. When
first starting the tool with a new or changed disc the tool should be first
started in a protected area i.e. such as under a heavy bench and run for
say a minimum time of one minute. This will provide protection if the
wheel should break because a fault was not detected. Always use eye
protection and wear protective gloves if there are sharp edges in the
working area. Remember that the cutting process will generate heat
and that cut parts, particularly small items can get very hot and burn
fingers if touched. Allow cut parts to cool.
The tool and the work process may create a noise level such that ear
protectors should be worn. The cutting process will create dust and the
use of breathing masks is recommended. Check that the material being
cut will not cause harmful dust or fumes. If this is so then special
breathing apparatus may be required. Seek advice before starting work.
The cutting process will create sparks. Ensure that these do not create
a hazard to any person, object or process and are not directed near any
flammable materials or fluids. Do not use the cutter in explosive
environments. Do not apply excessive loads to the tool as this will
reduce the efficiency of the disc. Apply light loads and allow the wheel
to cut. Try always to keep the disc square to the cut. Do not apply side
loads or grind on the side of the disc.
Handle the cutter with care. If the cutter is dropped carefully examine
the disc for damage and replace if necessary. Start the tool as for the
first time of fitting a disc, i.e. under a bench. Make sure that the object to
be cut is in a firm fixed position.
Tool Maintenance
It shall be the tool owner’s and/or employer’s responsibility to assure
that tools are maintained in a safe operating condition. Tool
maintenance and repair shall be performed by authorised, trained,
competent personnel. Tools shall be disconnected from their
compressed air supply before repairs are attempted. Repairs shall be
consistent with the manufacturer’s recommended procedures. Tool,
hoses and fittings shall be replaced if unsuitable for safe operation. It
shall be the tool owner’s and/or employer’s responsibility to keep
required rating markings and warnings on the tool in legible condition.
Safety Rules For A Cut Off Tool
1) Read all the instructions before using this tool. All operators must be
fully trained in its use and aware of these safety rules.
2) Do not exceed the maximum working air pressure.
3) Use personal safety equipment.
4) Use only compressed air at the recommended conditions.
5) If the tool appears to malfunction remove from use immediately and
arrange for service and repair.
6) If the tool is used with a balancer or other support device ensure that
it is fixed securely.
7) Always keep hands away from the working attachment fitted to the
8) The tool is not electrically insulated. Never use the tool if there is any
chance of it coming into contact with live electricity.
9) Always when using the tool adopt a firm footing and/or position and
grip the tool firmly to be able to counteract any forces or reaction forces
that may be generated whilst using the tool.
10) Use only correct spare parts. Do not improvise or make temporary
11) Do not lock, tape, wire, etc. the on/off valve in the run position. The
trigger/lever etc. must always be free to return to the ‘off’ position
when it is released.
12) Always shut off the air supply to the tool, and depress the
trigger/lever etc. to exhaust air from the feed hose before fitting,
adjusting or removing the working attachment.
13) Check hose and fittings regularly for wear. Replace if necessary. Do
not carry the tool by its hose and ensure the hand is remote from the
on/off control when carrying the tool with the air supply connected.
14) Take care against entanglement of moving parts of the tool with
clothing, ties, hair, cleaning rags, etc. This will cause the body to be
drawn towards the tool and can be very dangerous.
15) It is expected that users will adopt safe working practices and
observe all relevant legal requirements when installing, using or
maintaining the tool.
16) Do not install the tool unless an easily accessible and easily operable
on/off valve is incorporated in the air supply.
17) Take care that the tool exhaust air does not cause a problem or
blows on another person.
18) Never lay a tool down unless the working attachment has stopped
19) A grinding wheel should only be fitted by a competent person
trained to do so. The wheel must be of the correct size and speed rating.
Never use grinder with guard not fitted.
20) Check the speed of the grinder at least once per week, if it is in
regular use, with an accurate tachometer.
21) The tool must only be used with the grinding wheels as set out in
section “Foreseen Use of the Tool” and shown on parts list. Never fit any
other device.
22) Carry out the instructions as set out in “Putting into Service”.
23) Many countries have local or national rules re the use and fitting of
grinding wheels. Make sure such rules are observed.
24) Use a barrier to prevent sparks causing a hazard to the operator,
any other person or anything within the vicinity of the sparks.
25) If a wheel guard becomes damaged or has withstood a wheel
breakage, the guard must be changed.
26) Do not use chipped or cracked grinding wheels.
27) Always wear impact resistant eye protection.
28) Use only parts provided with the grinder for locating and clamping
the wheel. Never use substitutes. Use the paper blotter fixed to the
wheel as this ensures even tightness when the wheel is secured.
29) Tighten the wheel plates sufficiently to prevent wheel spin off when
the grinder is turned off. Do not tighten excessively as this may crack the
30) The noise from the tool or the process noise of the grinding
operation may be such that hearing protection should be worn.
31) Avoid inhaling dust from the grinding process. Wearing of a
breathing mask is recommended. Grinder certain materials may mean
that special breathing precautions are necessary. Seek advice before
using the tool.
32) Always ensure that the workpiece is firmly supported so that it
cannot move during the grinding process.
33) If the grinder is dropped do not use unless the wheel is first checked
for damage by a competent person.
34) When not in use the grinder should be stored in a safe place where
it will not be damaged. If a tool has not been used for a period of time
check the tool as for the first time of using.
35) Be aware that if the grinding process causes high vibration, special
precautions should be taken.
36) The operator should be aware that the grinding wheel will continue
to rotate after the power supply has been shut off. This could cause a
37) Always store grinding wheels in accordance with the
manufacturer’s instructions.
38) Check frequently that the spindle thread has not become damaged
or worn.
39) Always ensure that the grinding wheel has a higher permissible
running speed to the speed of the grinder.
Page No 2
Ref No
Mar 2012 Ver 1.00
Cut Off Tool
Part No
Hose Adaptor
Muffer Disc
Valve Spring
Tip Valve
Lever Spring Pin
Handle Assembly
Valve Pin
Lever Assembly
Rear Bearing
Rear End Plate
Ref No
Page No 3
Part No
Rotor Blade (4)
Front End Plate
Front Bearing
Lock Nut
Wave Washer
Safety Guard
Retainer Ring
Arbor Flange
Arbor Screw
Declaration of Conformity
Universal Air Tool Company Limited
Unit 8, Lane End Industrial Park, High Wycombe, Bucks, HP14 3BY, England
declare under our sole responsibility that the product
Model UT5762 Cut Off Tool, Serial Number
to which this declaration relates is in conformity with the following standard(s) or other normative document(s)
EN792 (Draft), EN292 Parts 1 & 2, ISO 8662 Parts 1, 2 & 14, Pneurop PN8NTC1
following the provisions of Directive 2006/42/EC
Lane End
Place of issue
C. Moppett, Managing Director
For and on behalf of the company
©Copyright of Universal Air Tool Company Limited, established in the United Kingdom, 1994
This document may not be copied wholly or in part by anyone without the consent of the Directors of Universal Air Tool Company Limited
Designed & Written in the U.K.
Page No 4