HPB45 and HPB55 Series Hydraulic Paving Breakers

SERVICE MANUAL
HPB45 and HPB55 Series
Hydraulic Paving Breakers
Serial Codes GMN, GMP, GMR, and GMT
Read and understand all of the instructions
and safety information in this manual before
operating or servicing this tool.
Register this product at www.greenlee.com
52042951 REV 3
© 2011 Greenlee Textron Inc.
7/11
HPB45 and HPB55 Series Hydraulic Paving Breakers
Table of Contents
Safety
Safety...........................................................................2
Purpose of this Manual................................................2
Other Publications........................................................2
Important Safety Information...................................3–4
Identification of Main Components..............................5
Maintenance.............................................................6–7
Troubleshooting........................................................8–9
Repair.........................................................................10
Disassembly...............................................................10
Main Components............................................11–12
Nose Part................................................................13
Valve Housing.........................................................14
Trigger Valve...........................................................15
Accumulator............................................................16
Cylinder...................................................................17
Handle.....................................................................18
Assembly....................................................................19
Valve Housing...................................................19–20
Cylinder...................................................................21
Accumulator............................................................22
Main Components............................................23–25
Mounting of Bushing in Nose Part..........................26
Mounting of Latch in Nose Part..............................27
Adjustment of E-Handle.........................................28
Main Illustration—All Models......................................29
Main Parts List—All Models.......................................30
E-Handle with Cover
Illustration and Parts List—All Models.......................31
Nose Part Illustration and Parts Lists.........................32
Safety is essential in the use and maintenance of
Greenlee Utility tools and equipment. This manual
and any markings on the tool provide information for
avoiding hazards and unsafe practices related to the
use of this tool. Observe all of the safety information
­provided.
Purpose of this Manual
This manual is intended to familiarize all personnel
with the safe service procedures for the following
Greenlee Utility tools:
HPB45-1AVS
Serial Code GMN
HPB45-2AVS
Serial Code GMP
HPB55-1AVS
Serial Code GMR
HPB55-2AVS
Serial Code GMT
Keep this manual available to all personnel.
Replacement manuals are available upon request at
no charge at www.greenlee.com.
Other Publications
Instruction Manuals:
Publication 52033853 (HPB45)
Publication 52033854 (HPB55)
SAE Standard J1273 (Hose and Hose Assemblies):
Publication 99930323
All specifications are nominal and may change as design improvements occur. Greenlee Textron Inc. shall not be liable for damages
resulting from misapplication or misuse of its products.
Loctite is a registered trademark of Loctite Corporation.
KEEP THIS MANUAL
Greenlee / A Textron Company
2
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
IMPORTANT SAFETY INFORMATION
SAFETY
ALERT
SYMBOL
Skin injection hazard:
• Do not use hands to check for
leaks.
• Do not hold hose or couplers
while the hydraulic system is
pressurized.
• Depressurize the hydraulic
system before servicing.
Oil under pressure easily punctures skin causing serious injury,
gangrene or death. If you are
injured by escaping oil, seek
medical attention immediately.
This symbol is used to call your attention to
hazards or unsafe practices which could result
in an injury or property damage. The signal
word, defined below, indicates the severity of
the hazard. The message after the signal word
provides information for preventing or avoiding
the hazard.
Immediate hazards which, if not avoided, WILL
result in severe injury or death.
Do not exceed the maximum hydraulic flow,
­pressure relief, or back pressure listed in the
­instruction manuals.
Failure to observe this warning could result in
severe injury or death.
Hazards which, if not avoided, COULD result in
severe injury or death.
Hazards or unsafe practices which, if not
avoided, MAY result in injury or property damage.
Wear eye protection when
­operating or servicing this tool.
Failure to wear eye protection
could result in serious eye injury
from flying debris or hydraulic oil.
Read and understand all of the
instructions and safety information
in this manual before operating or
servicing this tool. Refer also to
the instruction manuals, which are
listed under “Other Publications.”
Failure to observe this warning
could result in severe injury or
death.
Wear hearing protection when
using this tool.
Failure to observe this warning
could result in serious injury.
Wear foot protection when using
this tool.
Failure to observe this warning
could result in serious injury.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
IMPORTANT SAFETY INFORMATION
Tool, bit, and other components
may be hot during and after operation. Allow to cool before handling,
or handle with heat-resistant
gloves.
Failure to observe this warning
could result in severe injury.
Hydraulic oil can cause skin irritation.
• Handle the tool and hoses with care to prevent
skin contact with hydraulic oil.
• In case of accidental skin contact with hydraulic
oil, wash the affected area immediately to
remove the oil.
Failure to observe these precautions may result in
injury.
Do not disconnect tool, hoses or fittings while the
power source is running or if the hydraulic fluid is
hot. Hot hydraulic fluid can cause serious burns.
Perform repairs in accordance with manufacturer’s
instructions only. Repairs other than as described
in this manual may result in injury and property
damage.
Do not reverse hydraulic flow. Operation with
hydraulic flow reversed can cause tool malfunction. Connect the supply (pressure) hose and
return (tank) hose to the proper ports.
Failure to observe this warning could result in
severe injury or death.
All bolts on this tool are high tensile. Do not
replace with bolts of lesser tensile specification.
Failure to observe this precaution may result in
injury and property damage.
Do not change accessories, inspect, adjust or
clean tool when it is connected to a power source.
Accidental start-up can result in serious injury.
Failure to observe these warnings could result in
severe injury or death.
Emergency stop procedure:
1. Release the trigger.
2. Shut off the hydraulic power source.
Procedure for connecting or disconnecting
hydraulic hoses, fittings, or components:
1. Move the flow lever on the hydraulic power
source to the off position.
2. Stop the hydraulic power source.
3. Follow the sequence under “Hose Connections” in the instruction manual to prevent
pressure buildup. In case some pressure has
built up, loosen hoses, fittings, or components
slowly.
Accumulator is charged with nitrogen under high
pressure. This pressure must be unloaded before
dismounting.
Failure to observe this warning could result in
severe injury or death.
Note: Keep all decals clean and legible, and replace
when necessary.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Identification of Main Components
9
8
7
1
2
3
6
4
5
1. Accumulator (complete)
2. Valve housing
3.Cylinder
4. Nose part
5. Chisel bushing
Greenlee / A Textron Company
6. Striking piston
7. Trigger valve
8.Handle
9.Cover
5
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Maintenance
Maintenance Schedule
Use this maintenance schedule to maximize the tool’s
service life.
Note: Keep all decals clean and legible. Replace
decals when necessary.
Maintenance and repairs should be performed by
qualified technicians.
Wear eye protection when
­operating or servicing this tool.
Failure to wear eye protection
could result in serious eye injury
from flying debris or hydraulic oil.
Daily
1. Wipe all tool surfaces clean.
2. Inspect the hydraulic hoses and fittings for signs
of leaks, cracks, wear, or damage. Replace if
­necessary.
3. Install dust caps over the hydraulic ports when the
tool is disconnected.
Monthly
Perform a thorough inspection of the hydraulic hoses
and fittings as described in publication 99930323,
SAE J1273 (Hose and Hose Assemblies).
Do not change accessories, inspect, adjust or
clean tool when it is connected to a power source.
Accidental start-up can result in serious injury.
Failure to observe these warnings could result in
severe injury or death.
Annually
If required by your organization, have the tool
­inspected by a Greenlee Utility Authorized Service
Center.
Perform the following maintenance procedures
annually or after 500 hours of operation:
• Check and recharge the accumulator. Replace the
diaphragm if it shows signs of cracks.
• Check moving parts, chisel bellows, screws, etc.
and replace if necessary.
• Replace all seals.
• Test the function of the breaker.
Note: Use only recommended lubricants and
hydraulic fluids. Refer to the instruction manuals,
which are listed under “Other Publications.”
Storage
If the tool requires long-term storage, protect the
striking piston against corrosion. Press the striking
piston to its upper position (through the chisel
bushing) by means of a tool placed upside down.
As the quick-release couplings are blocked when
disassembled, the striking piston must be pressed
upward with the hoses mounted but the power source
turned off.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Maintenance (cont’d)
Accumulator Recharging Procedure
17. Close the charging screw (9) of the accumulator
by turning the handle (2) clockwise.
18. Unload the nitrogen hose by opening the bleeder
valve (5).
19. Dismount the filling device and check the charging
screw (9) for leakage with drops of oil.
20. Fit the protective cap over the accumulator.
Accumulator is charged with nitrogen under high
pressure. This pressure must be unloaded before
dismounting.
Failure to observe this warning could result in
severe injury or death.
1
1. Check that the oil inlet of the accumulator is
­depressurized.
2. Remove the protective cap over the charging
screw (9) of the accumulator. The socket head
screw must be perfectly clean.
3. Loosen the charging screw on top of the accumulator (maximum of two turns). Totally neutralize the
pressure before dismounting the accumulator.
4. Unscrew the accumulator cover (10), take out
the diaphragm (11), and check for leakage and
damage.
5.Clean, check, and replace damaged or worn parts.
6. Grease the seal faces of the accumulator body
(12) and the accumulator cover (10) with silicone.
7. Spray both sides of the diaphragm with silicone.
Place the diaphragm with its bead pointing downward so that it fits in the groove of the accumulator body (12).
8. Unscrew the charging screw and replace the seal
ring (13).
9. Grease the thread of the accumulator cover (10)
with copper grease and tighten to approximately
200 Nm (148 ft-lb).
10. Fasten the charging screw lightly, and loosen it
two turns afterward.
11. Mount the filling device on the filling socket of
the accumulator cover and fasten it lightly while
turning the handle (2) forward and backward,
ensuring that the hexagon resiliently fits into the
charging screw.
12. Close the bleeder valve (5) by turning it clockwise.
13. Connect the hose (7) to the check valve (6).
14. Connect the free end of the hose directly to the
nitrogen bottle by using the reducing nipple.
Note: Use only pure nitrogen.
15. Read the pressure on the gauge (4). Carefully
open the valve of the nitrogen bottle (1) and
charge with nitrogen until the pressure is approximately 20% higher than required charging pressure. Close the valve of the nitrogen bottle.
16. If the gauge (4) shows too high a nitrogen
­pressure, loosen the bleeder valve (5) until the
required pressure of 50 bar (723 psi) is achieved.
Greenlee / A Textron Company
8
7
N2
2
3
4
6
5
13
9
10
11
12
50027182
50027174
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Accumulator filling device
(includes items 2–8)
Accumulator kit (fully charged)
(includes items 9–14)
Valve of nitrogen bottle
Handle
Filling adaptor
Gauge
Bleeder valve
Check valve
Hose, approximately
3 m (10 ft)
(8) Reducing nipple
(24.32-14WFG)
7
(9) Charging screw
(10)Accumulator
cover
(11)Diaphragm
(12)Accumulator
body
(13) Seal ring
(14) Protective cap
(not shown)
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Troubleshooting
Before troubleshooting, determine whether the
problem is in the tool, the hoses, or the power source.
Substitute a tool, hoses, or power source known to be
in good working order to eliminate the item that is not
operating.
Problem
Tool does not operate.
If the problem is in the tool, refer to the troubleshooting table in this manual. If the problem is in the
power source, refer to the troubleshooting section of
the power source instruction manual.
Probable Cause
Probable Remedy
Improper power source.
Verify that the power source meets the
­specifications.
Hydraulic fluid level low.
Check the fluid level. Check system for leaks.
Incorrect hydraulic fluid viscosity.
Use hydraulic fluid with the correct viscosity.
No or incorrect flow/pressure.
Check flow/pressure by using test equipment.
P and T hoses interchanged.
Check connection. With standard connection
oil flows from male Q.R. coupling
(i.e., tail-hose of tool’s P connection
is fitted with female coupling).
Insufficient activation of trigger valve.
Adjust trigger lever (if adjustable) or replace
defective parts.
Defective seals in spool canal of
valve housing.
Dismount, check, and replace seals.
Back pressure too high.
Make direct tank connection. Max. back
pressure 28 bar (405 psi) measured at tool.
Defective Q.R. coupling in return line.
Locate and replace defective coupling.
Striking piston sticks, possibly due to
thickening of cylinder.
Push tool hard against chisel.
Chamfer/polish slightly the edge at cylinder
dashpot (where cylinder bore changes size).
Check oil viscosity. Thin oil increases risk of
thickening.
Spool/reversing spool or auxiliary
spools stick.
Greenlee / A Textron Company
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Dismount and check that all parts move
easily. Polish slightly if necessary.
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Troubleshooting (cont’d)
Problem
Tool operates slowly or
erratically.
Probable Cause
Probable Remedy
Hydraulic fluid cold.
Allow fluid to warm to the operating temperature. Actuate the tool intermittently to reduce
the warming time.
Power source not adjusted correctly.
Refer to the power source operator’s manual.
Set the flow and pressure to correspond with
the tool.
Hydraulic fluid level low.
Check the fluid level. Check system for leaks.
Air in the hydraulic system.
Refer to the power source manufacturer’s
instructions for removing air from the system.
Incorrect hydraulic fluid viscosity.
Use hydraulic fluid with the correct viscosity.
Defective seals.
Dismount, check, and replace.
Wear, internal leakage.
Dismantle, check, and replace defective or
worn parts.
Check impurity of oil and oil viscosity at
working temperature. Thin oil increases the
likelihood of internal leakage.
Strike rate is normal;
blow energy is weak.
Low accumulator gas pressure.
Return tool to a Greenlee Utility Authorized
Service Center.
Broken accumulator diaphragm.
Return tool to a Greenlee Utility Authorized
Service Center.
Hydraulic fluid level low.
Check the fluid level. Check for leaks.
Incorrect hydraulic fluid viscosity.
Use hydraulic fluid with the correct viscosity.
Hydraulic fluid dirty.
Refer to the power source owner’s manual for
procedure to replace hydraulic oil and filter.
Hoses pulsate.
Defective accumulator.
Replace accumulator diaphragm and charge
with nitrogen. Refer to “Accumulator Recharging Procedure” in the “Maintenance” section
of this manual.
Oil leaks from breaker.
Defective seals.
Replace seals.
Chisel falls out.
Worn latch.
Replace latch and roll pins.
Worn chisel bushing or chisels.
Replace bushing or chisel.
Tool feels hot.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Repair
Maintenance and repairs should be performed by
qualified technicians.
Torque Settings
Only use the torque settings indicated in this manual.
Wear eye protection when
­operating or servicing this tool.
Failure to wear eye protection
could result in serious eye injury
from flying debris or hydraulic oil.
All bolts on this tool are high tensile. Do not
replace with bolts of lesser tensile specification.
Failure to observe this precaution may result in
injury and property damage.
Tools Required
• Hex wrench, 8 mm
• Hex wrench, 10 mm
• Hex socket, 41 mm
• Adjustable torque wrench,
45 Nm to 200 Nm (33 ft-lb to 148 ft-lb)
• Tool for accumulator, 50027964
• Punch, ø37 mm (scraper)
• Punch, ø14 mm (scraper)
• Punch, ø44 mm (scraper)
• Punch, ø49 mm (scraper)
• Loctite® 245
• Loctite 648
• Copper grease, anti-seize
• Accumulator filling device, 50027182
• Universal cleaner, OKS 2611
Do not change accessories, inspect, adjust or
clean tool when it is connected to a power source.
Accidental start-up can result in serious injury.
Failure to observe these warnings could result in
severe injury or death.
Accumulator is charged with nitrogen under high
pressure. This pressure must be unloaded before
dismounting.
Failure to observe this warning could result in
severe injury or death.
Perform repairs in accordance with manufacturer’s
instructions only. Repairs other than as described
in this manual may result in injury and property
damage.
Greenlee / A Textron Company
Disassembly
Complete disassembly of the tool is not recommended.
If a complete overhaul is necessary, return the tool to
your nearest Greenlee Utility Authorized Service Center.
The disassembly procedure is divided into sections of
the tool. Disassemble only the section(s) necessary to
complete the repair.
Disassemble the tool on a flat, clean surface. Take care
not to lose or damage any parts that may fall free during
disassembly.
10
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Disassembly of Main Components
1. Mount the breaker in a vise.
5. Hammer the nabs away from the
screws, and loosen the screws.
2. Loosen the nose part with a drill
or torque wrench.
6. Remove the screws.
3. Dismount the nose part.
7. Remove the cover.
4. Remount the breaker in the vise.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Disassembly of Main Components (cont’d)
8. Loosen the four screws on the
accumulator.
11. Loosen the screws in the valve housing.
9. Remove the accumulator.
12. Remove the valve housing from the cylinder.
10. Remove the trigger valve.
13. Remove the striking piston from the cylinder.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Disassembly of Nose Part
1. Mount the nose part in a vise.
4. Remove the locking ring.
2. Hammer out the two roll pins and
remove the latch.
5. Remove the chisel bellows.
3. Remove the screw.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Disassembly of Valve Housing
1. Mount the valve housing in a vise.
3. Remove the spool.
2. Loosen and remove the P and T
guide sockets.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Disassembly of Trigger Valve
1. Remove the packing gland from the trigger.
4. Remove the Seeger spring ring.
2. Remove the O-ring and seal
from the packing gland.
5. Remove the O-ring, backup ring, and
Seeger spring ring from the trigger spool.
3. Remove the trigger spool from
the trigger rod.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Disassembly of Accumulator
Accumulator is charged with nitrogen under high
pressure. This pressure must be unloaded before
dismounting.
Failure to observe this warning could result in
severe injury or death.
4. Loosen the cover.
5. Remove the cover.
1. Check for gas by using the filling device
or a screwdriver.
6. Remove the diaphragm.
2. Mount the accumulator in a vise.
3. Loosen the charging screw on the cover.
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7. Check the diaphragm for defects.
16
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Disassembly of Cylinder
1. Mount the cylinder in a vise.
4. Remove the locking ring.
2. Remove the locking ring.
5. Remove the seal and backup washer.
3. Remove the seal.
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Disassembly of Handle
4. Take out the handles and then remove
the springs.
1. Loosen the screws to remove the top cover.
5. Slide the two holders down to remove
the trigger pawl.
2. Remove the nut on the central bolt.
Components
3. Hammer out the bolt.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Assembly
Refer to the illustrations and parts lists for the correct
orientation and placement of parts.
Replace any O-rings, V-rings, seals, and gaskets on
parts that have been disassembled. Apply hydraulic
fluid or O-ring lubricant to all O-rings and all metal
surfaces which they must slide over. When installing
an O-ring which must slide over sharp surfaces, use
a rolling motion and be careful not to damage the
O-ring.
Wherever the assembly results in metal-to-metal
­contact, coat the surfaces with hydraulic fluid or
O-ring lubricant.
Assembly of Valve Housing
1. Use these parts.
P
4. Grease and mount the O-ring on the
P guide socket.
T
2. Locate P and T (marked on housing).
P
5. Grease and mount the O-ring
on the T guide socket.
T
3. Identify the P and T guide sockets.
Greenlee / A Textron Company
6. Apply Loctite 243 (245) to the P
socket thread.
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Assembly of Valve Housing (cont’d)
7. Mount the P socket at the P side and
torque to 100 Nm (74 ft-lb).
11. Mount the ball, seal ring, and screw.
8. Mount the spool at the T side
(note the milling).
12. Tighten the screw with a hex
socket wrench.
9. Apply Loctite 243 (245) to the T
socket thread.
13. Check the movement of the spool
by shaking it from side to side.
10. Mount the T socket at the T side and
torque to 100 Nm (74 ft-lb).
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Assembly of Cylinder
1. Use these parts.
4. Mount the seal on a punch (ø37 mm).
2. Mount the seal (green).
5. Mount the seal with an engineer’s hammer.
3. Mount the backup washer and locking ring.
6. Mount the locking ring.
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Assembly of Accumulator
1. Use these parts.
5. Mount the cover in the body.
2. Mount the diaphragm.
6. Tighten the cover with a hook wrench
to 200 Nm (148 ft-lb).
3. Oil the diaphragm.
7. Mount the charging screw and seal ring.
4. Grease the cover with copper grease.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Assembly of Main Components
1. Oil the seals in the cylinder.
5. Mount the valve housing.
2. Mount the striking piston in the cylinder.
6. Mount the screws in the valve housing.
3. Grease the O-ring grooves on the
cylinder and mount the O-rings.
7. Tighten the screws in the valve
housing and torque to 80 Nm (59 ft-lb).
4. Apply Loctite 243 (245) to the
cylinder thread.
8. Check the movement of the piston
in the valve housing.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Assembly of Main Components (cont’d)
9. Check the movement of the striking piston.
13. Mount the trigger valve.
10. Grease the O-ring grooves in the valve housing.
14. Apply Loctite 245 to the valve housing.
11. Mount the O-rings.
15. Mount the accumulator.
12. O-rings mounted.
16. Tighten the screws on the accumulator
and torque to 70 Nm (52 ft-lb).
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Assembly of Main Components (cont’d)
19. Mount the screws on the nose part and torque to:
60 Nm (45 ft-lb) for HPB45 and HPB55
17. Mount the nose part.
18. Apply Loctite 245 to the screws.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Mounting of Bushing in Nose Part
1. Mount the nose part in a hydraulic press
designed for min. 10 t.
4. Apply Loctite 648 to the bushing.
2. Mount the bushing in a suitable pin.
5. Check the length of the bushing and mark it.
3. Place the nose part.
6. Press the bushing into the nose part
with a pressure of 10 t.
Greenlee / A Textron Company
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Mounting of Latch in Nose Part
1. Grease the lock pin and spring with
copper grease.
5. Hammer the bigger roll pin with the opening
against the bottom of the nose part.
2. Mount the lock pin and spring in the
nose part.
6. Mount the smaller roll pin opposite
the bigger one.
3. Place the latch.
7. Check that it looks like this.
4. Place the nose part on an anvil.
8. Check the latch to make sure it moves.
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4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Adjustment of E-Handle
3. Tighten the counter nut to secure
the screw.
1. Press the trigger lever fully down.
Tighten the screw until it pushes the
lever up.
2. Unscrew two complete turns.
Greenlee / A Textron Company
28
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Main Illustration—All Models
16
7
10
5
6
8* 70 Nm (52 ft-lb)
55
1
18
80 Nm (59 ft-lb) 9*
20
43
100 Nm (74 ft-lb) 15*
19
42
39*
17
11
21
41
2
14* 100 Nm (74 ft-lb)
25
26
45
40
35
34
33
37
28
47
33
36
44
38*
56
31
46
48
36
37
49
27
4
39*
52
54
53
29
30
3
38*
27
32
23
50
51
*Loctite® 242
24
22
Greenlee / A Textron Company
29
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Main Parts List—All Models
Key
Part No.
Description
Qty
Key
Part No.
Description
Qty
150022083Accumulator body................................1
33*
O-ring, Ø8.3x2.4...................................1
252033754Valve housing........................................1
34*
O-ring, Ø16.3x2.4.................................1
352033755Cylinder (HPB45)..................................1
35*
Seal, Ø8/Ø14x3.5/5..............................1
52033762Cylinder (HPB55)..................................1
36*
Backup ring...........................................1
4
52033756
Striking piston (HPB45).........................1
37*
Seeger spring ring................................1
52033761
Striking piston (HPB55).........................1
38
50022555
Fitting, 02 KRG.....................................6
550022164Accumulator cover................................1
39
50022563
Fitting, 04 KRG.....................................3
650022172Diaphragm............................................1
40
50022741
Protective cap, 1/2" BSP......................2
750022180Charging screw.....................................1
41*
O-ring, Ø6x2.........................................1
850022199Screw, M10x30.....................................4
42*
O-ring, Ø8x2.........................................1
950022202Screw, M10x35.....................................4
4350022814Backup washer.....................................4
10*
4450022822Screw....................................................1
Seal ring, Ø8.7/Ø13x1..........................1
1152033757Spool.....................................................1
45
1452033758Guide socket.........................................1
46*
Seal ring, Ø9/Ø14x1.............................1
1550022261Spool socket.........................................1
47*
O-ring, Ø82x1.5....................................1
16*
Protective cap, M24x1.5.......................1
48*
O-ring, Ø16x1.5....................................1
17*
O-ring, Ø24x1.5....................................1
49*
O-ring, Ø13x1.5....................................1
18*
O-ring, Ø18x2.......................................4
50*
Backup washer, Ø32.7/45x2.5..............1
19*
O-ring, Ø30x2.......................................1
51*
Locking ring..........................................1
20*
O-ring, Ø32x2.......................................1
5250109499Plate, identification...............................1
21*
O-ring, Ø25x1.5....................................1
22*
Locking ring..........................................1
53 50109529 Decal, sound level 110 dB
(HPB45-1AVS).......................................1
23*
Seal, Ø32/Ø40x6..................................1
24*
Seal, Ø32/Ø45x7/10.............................1
25*
Seal ring, 1/2".......................................2
26
Connector, 1/2" BSP ...........................2
50022377
27*
Seeger spring ring................................2
28*
Shim PS, 8x14x0.5...............................1
50022830
Check valve ball....................................1
50027204 Decal, sound level 109 dB
(HPB45-2AVS).......................................1
50109537 Decal, sound level 112 dB
(HPB55 Series)......................................1
2950022415Trigger spool.........................................1
54
50110292
Decal, weight (HPB45-1AVS)................1
50110284
Decal, weight (HPB45-2AVS)................1
50110306
Decal, weight (HPB55 Series)...............1
5550110764Decal, accumulator...............................1
3050022431Trigger rod.............................................1
3150022458Packing gland.......................................1
3250022474Spring...................................................1
* 50023101
Seal kit (includes 10, 16–25, 27,
28, 33–37, 41, 42, 46–51, and 91)
Trigger valve kit (includes 27–37)
50023152
52061099Whip hose.............................................2
Greenlee / A Textron Company
30
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Ergo Handle with Cover
Illustration and Parts List—All Models
81
87
104
100
88
101
102
103
92
91
90
88
104
93
94
87
95
92
89
82
90
91
84
80
83
99 97
98
96
85 86
Key
Part No.
52061077
Description
Qty
Key
Part No.
Description
Qty
E-handle, complete...............................1
97
Pin, Ø6x30............................................1
80
Frame ...................................................1
98
Pin latch, right.......................................1
81
Handle...................................................1
99
Pin latch, left.........................................1
82
Handle...................................................1
100
Top cover..............................................1
83
Trigger lever..........................................1
101
Spacer..................................................4
84
Roll pin, Ø6x24.....................................1
102
Nab.......................................................2
85
Thrust pad with M8 screw....................1
103
Screw, M10x25.....................................4
86
Nut, M8.................................................1
104
Lock washer, M5...................................2
87
Stopper.................................................2
105
50463268
Decal, Greenlee Utility..........................2
88
Screw, M5x20.......................................2
106
50490095
Decal, warning......................................1
89
Pin.........................................................1
90
Washer, Ø8...........................................2
91
Nut, M8.................................................2
92
Spring...................................................4
93
Spring guide.........................................4
94
Washer, Ø6...........................................4
95
Screw, M6x10.......................................4
96
Trigger pawl..........................................1
Greenlee / A Textron Company
31
52061094
Ergo handle mounting kit
(includes 101–103)
52061095
Handle repair kit
(includes 87, 88, 92–95, and 104)
52061096
Trigger pawl repair kit (includes 96–99)
52061097
Handle pivot repair kit (includes 89–91)
52061098
Trigger repair kit (includes 83–86)
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HPB45 and HPB55 Series Hydraulic Paving Breakers
Nose Part Illustration and Parts Lists
HPB45
Key
Part No.
Description
Qty
110
50023624
Nose part, hex 1"..................................1
50023837
Nose part, hex 1-1/8", 1-1/4"...............1
111
50023632
Bushing, hex 1" x 4-1/4"......................1
50023918
Bushing, hex 1-1/8" x 6"......................1
112
50023675
Chisel bellows, hex 1"..........................1
50023926
Chisel bellows, hex 1-1/8"....................1
113
50023705
Latch.....................................................1
114
50023730
Spring...................................................1
115
50023748
Lock pin................................................1
116
50023756
Screw, M10x55.....................................2
117
50023764
Roll pin, Ø16x50...................................1
118
50023802
Roll pin, Ø10x50...................................1
119
50023829
Locking ring, 57x2................................1
120
50109570
Decal, hex shank size 1" x 4-1/4".........1
50109561
Decal, hex shank size 1-1/8" x 6".........1
110
116
Loctite 242
HPB45, HPB55:
60 Nm (44 ft-lb)
HPB75:
100 Nm (74 ft-lb)
120
113
117
118
114
111
Loctite 635
115
HPB55
Key
Part No.
Description
110
50023837
Nose part, hex......................................1
111
50023918
Bushing, hex 1-1/8" x 6"......................1
50023942
Bushing, hex 1-1/4" x 6"......................1
112
50023926
Chisel bellows, hex 1-1/8"....................1
50023969
Chisel bellows, hex 1-1/4"....................1
113
50023705
Latch.....................................................1
114
50023730
Spring...................................................1
115
50023748
Lock pin................................................1
116
50023756
Screw, M10x55.....................................2
117
50023764
Roll pin, Ø16x50...................................1
118
50023802
Roll pin, Ø10x50...................................1
119
50023829
Locking ring, 64x2................................1
120
50109561
Decal, hex shank size 1-1/8" x 6".........1
50109553
Decal, hex shank size 1-1/4" x 6".........1
4455 Boeing Drive • Rockford, IL 61109-2988 • USA • 815-397-7070
An ISO 9001 Company • Greenlee Textron Inc. is a subsidiary of Textron Inc.
www.greenlee.com
Qty
112
119
USA Tel: 800-435-0786
Fax: 800-451-2632
Canada Tel: 800-435-0786
Fax: 800-524-2853
International Tel: +1-815-397-7070
Fax: +1-815-397-9247
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