Textron Greenlee HPB55 Series User manual

INSTRUCTION MANUAL
HPB55 Series
Hydraulic Paving Breaker
52033854 REV 3 © 2011 Greenlee Textron Inc. 7/11
Serial Codes 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

Greenlee / A Textron Company 2 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Table of Contents
Description ..................................................................2
Safety ..........................................................................2
Purpose of this Manual ...............................................2
Other Publications.......................................................2
ImportantSafetyInformation .................................. 3–5
Identication................................................................ 6
Specications.......................................................... 7–8
Hoses and Fittings ......................................................9
Hose Connections.......................................................9
TypicalSetup...............................................................9
Setup .........................................................................10
Operation................................................................... 10
Maintenance........................................................ 10–11
Troubleshooting.........................................................12
IllustrationsandPartsLists ................................. 13–16
Accessories ...............................................................17
KEEP THIS MANUAL
Description
TheHPB55SeriesGreenleeUtilityPavingBreakeris
intendedtobreakupasphalt,concrete,andhardclay.
TheHPB55breakerisprovidedwithvibration-
dampened handles.
Safety
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personnelwith
the safe operation and maintenance procedures for
thefollowingGreenleeUtilityPavingBreakers:
• HPB55-1AVS 1-1/8"x6"shankwith
dampening handles
• HPB55-2AVS 1-1/4"x6"shankwith
dampening handles
Keep this manual available to all personnel.
Replacementmanualsareavailableuponrequestat
nochargeatwww.greenlee.com.
Other Publications
Tool Owners/Users
SAEStandardJ1273(HoseandHoseAssemblies):
Publication99930323
Authorized Greenlee Utility Service Centers
ServiceManual: Publication52042951
Allspecications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.

Greenlee / A Textron Company 3 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
IMPORTANT SAFETY INFORMATION
SAFETY
ALERT
SYMBOL
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,dened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.
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.
Read and understand all of the
instructions and safety information
in this manual before operating or
servicing this tool.
Failuretoobservethiswarning
could result in severe injury or
death.
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 punc-
turesskincausingseriousinjury,
gangrene or death. If you are
injuredbyescapingoil,seek
medical attention immediately.
Donotexceedthefollowinghydraulicpower
sourcemaximums:
• Hydraulicow:30l/min(8gpm)
• Pressurerelief:160bar(2300psi)
• Backpressure:28bar(405psi)
Failuretoobservethiswarningcouldresultin
severe injury or death.
Weareyeprotectionwhen
operating or servicing this tool.
Failuretoweareyeprotection
could result in serious eye injury
from ying debris or hydraulic oil.
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 4 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
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.
Donotdisconnecttool,hosesorttingswhilethe
powersourceisrunningorifthehydraulicuidis
hot. Hot hydraulic uid can cause serious burns.
Donotreversehydraulicow.Operationwith
hydraulicowreversedcancausetoolmalfunc-
tion.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.
Donotchangeaccessories,inspect,adjustor
cleantoolwhenitisconnectedtoapowersource.
Accidentalstartupcanresultinseriousinjury.
Failuretoobservethesewarningscouldresultin
severe injury or death.
Seriousinjurycanresultiftheoperatordoesnot
maintain control of the tool.
• Wearslip-proofgloveswhenoperatingthistool.
• Maintainarmgriponthetool,usingboth
hands at all times.
• Donotlockthetriggerinthepower-ONposition.
Operatorcannotstoptoolwhenthetriggeris
locked.
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.
Vibrationhazard:
Applyjustenoughpressuretodothework.
Applyingexcesspressuretothebreaker
can cause operator discomfort or temporary
numbness.
Failure to observe this precaution may result in
injury.

Greenlee / A Textron Company 5 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
IMPORTANT SAFETY INFORMATION
• Donotoperatethebreakerunlessthebitis
properlyinstalledandplacedagainstthework
surface.Damagetothebreakercanresult.
• Inspect the hydraulic hoses and couplings
every operating day. Repair or replace if
leakage,cracking,wearordamageisevident.
Damagedhosesorcouplingscanfail,resulting
in injury or property damage.
• Usethistoolformanufacturer’sintended
purposeonly.Useotherthanthatwhichis
described in this manual can result in injury or
property damage.
• Makesureallbystandersareclearofthework
areawhenhandling,starting,andoperatingthe
tool.Nearbypersonnelcanbeinjuredbyying
or falling debris or by ying parts in the event of
a tool malfunction.
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.
Emergencystopprocedure:
1. Release the trigger.
2. Shutoffthehydraulicpowersource.
Procedure for connecting or disconnecting
hydraulichoses,ttingsorcomponents:
1. Movetheowleveronthepowersourceto
the OFF position.
2. Stopthehydraulicpowersource.
3. Followthesequenceunder“Hose
Connections” to prevent pressure buildup.
Incasesomepressurehasbuiltup,loosen
hoses,ttingsorcomponentsslowly.
Note: Keep decals clean and legible. Replace decals
when necessary.

Greenlee / A Textron Company 6 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Identification
HPB55 Series Hydraulic Paving Breaker
1. Handle
2. Trigger
3. Pressure Port
4. Return Port
5. Front End
6. Latch
455 mm (18")
760 mm (30")
1
2
6
5
3
4

Greenlee / A Textron Company 7 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Specifications
HPB55 Series
TypeofHydraulicSystem.......................... Open-center
Weight(withouthosesandtool) ..............26.1kg(58lb)
SteelSize(standard)................. 1-1/8"x6",1-1/4"x6"
WorkingPressure ..... 105to125bar(1500to1800psi)
Hydraulic Oil
WorkingTemperature ............30to70°C(86to158°F)
AccumulatorCharging
Pressure(nitrogen) ............................... 50bar(723psi)
BlowFrequency............19to31Hz(1140to1860/min)
Impact Energy ................................................110Joule
Hydraulic Port Connections ........................... 1/2"BSP
VibrationLevel(3axis)................................ a=4.6m/s2
SoundPowerLevel
Guaranteed ..........................................Lwa = 112 dB
Measured .............................................Lwa = 108 dB
Hydraulic Power Source
Donotexceedthefollowinghydraulicpower
sourcemaximums:
• Hydraulicow:30l/min(8gpm)
• Pressurerelief:160bar(2300psi)
• Backpressure:28bar(405psi)
Failuretoobservethiswarningcouldresultin
severe injury or death.
TypeofHydraulicSystem.......................... Open-center
Flow
Minimum ......................................... 18l/min(5gpm)
Maximum ........................................ 30l/min(8gpm)
Filtration..........................................10micron(nominal)
PressureReliefSetting ..................... 160bar(2300psi)
BackPressure(maximum).................... 28bar(405psi)
• Optimalperformanceoccursatmaximumow.
• Maximum hydraulic uid temperature must not
exceed70°C(158°F).Asufcientoilcooling
capacity is needed to limit the hydraulic uid
temperature.
• Hydraulicowmustnotexceed30l/min(8gpm).
Installaowmeterinthereturnlinetomeasurethe
rateofhydraulicowbeforeusingthetool.
• Pressure relief valve setting must not exceed
160bar(2300psi)atyourtool’smaximumow.
Locatethepressurereliefvalveinthesupplycircuit
to limit excessive hydraulic pressure to the tool.
Hydraulic Schematic
FILTER
(10 MICRON)
COOLER
RELIEF
VALVE
160 bar
(2300 psi)
CONTROL
VALVE FLOW METER
T
PTOOL
RESERVOIR
PUMP
POWER SOURCE

Greenlee / A Textron Company 8 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Specifications (cont’d)
Recommended Hydraulic Fluid
Viscosity
Ideal .......................................................20to40cSt
 Allowable............................................15to1000cSt
Viscosity Index ................................................ Min. 100
Standardmineralorsyntheticoilcanbeused.
Applicable Oil Types
TYPE OF OIL
Viscosity
at 40 C
(104 F)
BP Biohyd 32 36.0 cSt
BP Biohyd 46 44.0 cSt
BP Biohyd SE 46 46.0 cSt
BP Biohyd SE 68 72.2 cSt
CASTROL Biotech HTG 32 36.8 cSt
MOBIL EAL 224 H 36.0 cSt
Q8 Holbein 46 48.4 cSt
SHELL Naturelle HF 35.0 cSt
STATOIL M 32-68 47.4 cSt
SHELL Tellus oil T46 46.0 cSt
ESSO Univis N46 45.7 cSt
TEXACO Rando oil HDZ46 51.0 cSt
MOBIL DTE 15 44.9 cSt
Permitted oil temperature Recommended oil temperature
(–4 F)
–20 C
(14 F)
–10 C
(32 F)
0 C
(50 F)
10 C
(68 F)
20 C
(86 F)
30 C
(104 F)
40 C
(140 F)
60 C
(158 F)
70 C
(122 F)
50 C
Whenthetoolworkscontinuously,theoiltemperature
willsteadyatacertainlevelcalledtheoilworking
temperature. Depending on the nature of the job and
thecoolingcapacityofthesystem,theoilworking
temperaturewillbe20°Cto40°C(68°Fto104°F)
abovetheairtemperature.Atworkingtemperature,
theoilviscositymustbewithintheidealarea.Thetool
maynotbeoperatediftheoilviscosityisnotwithin
theallowableareaorifthetemperatureisnotwithin
–20°Cto70°C(–4°Fto158°F).
The viscosity index expresses the dependence of the
viscosityonthetemperature.Thus,ahighviscosity
indexispreferablesothattheoilcanbeusedwithina
widetemperatureinterval.

Greenlee / A Textron Company 9 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Hoses and Fittings
Installation and Maintenance
Refertopublication99930323,SAEJ1273
(HoseandHoseAssemblies).
Replacement
Adaptors: Breakersareinstalledwith1/2"BSP
male–1/2"BSPmaleadaptors.
Hoses: HosesareproducedaccordingtoEN853with
twolayersofwireandhaveamaximumpressureof
275bar(4000psi).Hosesareapproximately300mm
(12")long.
Fittings: 1/2"BSPfemaleforconnectingtothe
breaker;1/2"NPTFmaleforconnectingtoquick
release couplings.
Hose Connections
Donotdisconnecttool,hosesorttingswhilethe
powersourceisrunningorifthehydraulicuidis
hot. Hot hydraulic uid could cause serious burns.
Connecting Hoses
1. Movetheowleveronthehydraulicpowersource
to the OFF position.
2. Stopthehydraulicpowersource.
3. Connect the return hose to the return port on the
hydraulicpowersource,thentothereturnporton
the tool.
4. Connect the pressure hose to the pressure port
onthetool,thentothepressureportonthe
hydraulicpowersource.
Disconnecting Hoses
1. Movetheowleveronthehydraulicpowersource
to the OFF position.
2. Stopthehydraulicpowersource.
3. Disconnect the pressure hose from the hydraulic
powersource,thenfromthetool.
4. Disconnectthereturnhosefromthetool,then
fromthehydraulicpowersource.
5. Install dust caps over the ports to prevent
contamination.
Typical Setup

Greenlee / A Textron Company 10 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Operation
1. Startthehydraulicpowersource.
Note: Allow the hydraulic power source to run for
a few minutes to warm the hydraulic fluid.
2. Positionthebitagainstthesurface(materialtobe
broken,groundrodtobedriven,etc.).
3. Grasp both handles rmly.
4. Tostartthetool,activatethetrigger.
5. Tostopthetool,releasethetrigger.
6. Whenthetoolisnotinuse,stopthehydraulic
powersourcetoreduceheatandwearontool
components.
Maintenance
Usethismaintenancescheduletomaximizethetool’s
service life.
Note: Keep all decals clean and legible. Replace
decals when necessary.
Daily
1. Wipealltoolsurfacesclean.
2. Inspect the hydraulic hoses and ttings 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ttingsasdescribedinpublication99930323,
SAEJ1273(HoseandHoseAssemblies).
Annually
Ifrequiredbyyourorganization,havethetool
inspectedbyanGreenleeUtilityAuthorizedService
Center.
Setup
Inspect accessories before use. Discard accesso-
riesthathavecracks,chips,orgouges.
Failuretoobservethiswarningcouldresultin
severe injury or death.
Donotchangeaccessories,inspect,adjust,or
cleantoolwhenitisconnectedtoapowersource.
Accidentalstartupcanresultinseriousinjury.
Failuretoobservethiswarningcouldresultin
severe injury or death.
1. Stopthehydraulicpowersource.
2. Unlockthelatchwithadownwardmotion.
3. Insert the accessory into the front head.
4. Lockthelatchwithanupwardmotion.
5. Connect the hydraulic hoses according to the
instructionsunder“HoseConnections.”

Greenlee / A Textron Company 11 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Maintenance (cont’d)
Accumulator Recharging Procedure
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. 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accumu-
lator(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down-
wardsothatittsinthegrooveoftheaccumula-
tor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
300Nm(221ft-lb).
10. Fastenthechargingscrewlightly,andloosenit
twoturnsafterward.
11. Mountthellingdeviceonthellingsocketof
theaccumulatorcoverandfastenitlightlywhile
turningthehandle(2)forwardandbackward,
ensuring that the hexagon resiliently ts 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approxi-
mately20%higherthanrequiredchargingpres-
sure. Close the valve of the nitrogen bottle.
16. Ifthegauge(4)showstoohighanitrogenpres-
sure,loosenthebleedervalve(5)untiltherequired
pressure is achieved.
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llingdeviceandcheckthecharging
screw(9)forleakagewithdropsofoil.
20. Fit the protective cap over the accumulator.
N2
18
7
3
4
9
13
10
11
12
6
5
2
50027182 Accumulator filling device
 (includesitems2–8)
50027174 Accumulator kit (fully charged)
 (includesitems9–14)
(1) Valveofnitrogenbottle  (9) Chargingscrew
(2) Handle (10) Accumulatorcover
(3) Fillingadaptor (11) Diaphragm
(4) Gauge (12) Accumulatorbody
(5) Bleedervalve (13) Sealring
(6) Checkvalve (14) Protectivecap
(7) Hose,approximately  (notshown)
 3m(10ft)
(8) Reducingnipple
 (24.32-14WFG)

Greenlee / A Textron Company 12 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
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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.
Problem Probable Cause Probable Remedy
Tool does not operate. Improperpowersource. Verifythatthepowersourcemeets
the specications.
Hydraulicuidlevellow. Checktheuidlevel.Checksystem
forleaks.
Incorrect hydraulic uid viscosity. Usehydraulicuidwiththecorrect
viscosity.
Tooloperatesslowlyorerratically. Hydraulic uid cold. Allowuidtowarmtotheoperating
temperature.Actuatethetoolinter-
mittentlytoreducethewarming
time.
Powersourcenotadjusted
correctly.
Refertothepowersourceopera-
tor'smanual.Settheowandpres-
suretocorrespondwiththetool.
Hydraulicuidlevellow. Checktheuidlevel.Checksystem
forleaks.
Airinthehydraulicsystem. Refertothepowersourcemanu-
facturer's instructions for removing
air from the system.
Incorrect hydraulic uid viscosity. Usehydraulicuidwiththecorrect
viscosity.
Tool feels hot. Hydraulicuidlevellow. Checktheuidlevel.Checkfor
leaks.
Incorrect hydraulic uid viscosity. Usehydraulicuidwiththecorrect
viscosity.
Hydraulic uid dirty. Refertothepowersourceowner’s
manual for procedure to replace
hydraulic oil and lter.
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.

Greenlee / A Textron Company 13 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Illustration—Main
16
7
10
5
6
8* 70 Nm (52 ft-lb)
34
35
31
33
37
28
29
30
27
32
36
27
4
22
24
51
50
23
38*
3
49
47
54
52
39*
48
53
21
46
44
45
38*
11
18
80 Nm (59 ft-lb) 9*
43
20
39*
41
19
42
2
*Loctite®242
25
26
40
1
55
100 Nm (74 ft-lb) 15*
17
14* 100 Nm (74 ft-lb)

Greenlee / A Textron Company 14 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Parts List—Main
Key Part No. Description Qty
 1 50022083 Accumulatorbody ...............................1
2 52033754 Valve housing.......................................1
 3 52033762 Cylinder................................................1
 4 52033761 Strikingpiston......................................1
 5 50022164 Accumulatorcover...............................1
 6 50022172 Diaphragm ...........................................1
 7 50022180 Chargingscrew....................................1
 8 50022199 Screw,M10x30 ....................................4
 9 50022202 Screw,M10x35 ....................................4
10*  Sealring,Ø8.7/Ø13x1 .........................1
11 52033757 Spool....................................................1
14 52033758 Guidesocket........................................1
15 50022261 Spoolsocket........................................1
16*  Protectivecap,M24x1.5......................1
17*  O-ring,Ø24x1.5 ...................................1
18*  O-ring,Ø18x2 ......................................4
19*  O-ring,Ø30x2 ......................................1
20*  O-ring,Ø32x2 ......................................1
21*  O-ring,Ø25x1.5 ...................................1
22*  Lockingring .........................................1
23*  Seal,Ø32/Ø40x6 .................................1
24*  Seal,Ø32/Ø45x7/10 ............................1
25*  Sealring,1/2" ......................................2
26 50022377 Connector,1/2"BSP...........................2
27*  Seegerspringring................................2
28*  ShimPS,8x14x0.5 ..............................1
29 50022415 Triggerspool ........................................1
30 50022431 Trigger rod............................................1
31 50022458 Packinggland ......................................1
32 50022474 Spring ..................................................1
Key Part No. Description Qty
33*  O-ring,Ø8.3x2.4 ..................................1
34*  O-ring,Ø16.3x2.4 ................................1
35*  Seal,Ø8/Ø14x3.5/5 .............................1
36*  Backupring..........................................1
37*  Seegerspringring................................1
38 50022555 Fitting,02KRG ....................................6
39 50022563 Fitting,04KRG ....................................3
40 50022741 Protectivecap,1/2"BSP.....................2
41*  O-ring,Ø6x2 ........................................1
42*  O-ring,Ø8x2 ........................................1
43 50022814 Backupwasher ....................................4
44 50022822 Screw...................................................1
45 50022830 Checkvalveball...................................1
46*  Sealring,Ø9/Ø14x1 ............................1
47*  O-ring,Ø82x1.5 ...................................1
48*  O-ring,Ø16x1.5 ...................................1
49*  O-ring,Ø13x1.5 ...................................1
50*  Backupwasher,Ø32.7/45x2.5.............1
51*  Lockingring .........................................1
52 50109499 Plate,identication ..............................1
53 50109537 Decal,soundlevel112dB ...................1
54 50110306 Decal,weight .......................................1
55 50110764 Decal,accumulator..............................1
* 50023101 Sealkit(includes10,16–25,27,28,
   33–37,41,42,46–51,and91)
  50023152 Triggervalvekit(includes27–37)
  52061099 Whiphose............................................2

Greenlee / A Textron Company 15 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Illustration and Parts List—Ergo Handle with Cover
Key Part No. Description QtyKey Part No. Description Qty
  52061077 E-handle,complete..............................1
80 Frame ..................................................1
81 Handle..................................................1
82 Handle..................................................1
83 Trigger lever .........................................1
 84  Rollpin,Ø6x24 ....................................1
 85  ThrustpadwithM8screw ...................1
 86  Nut,M8 ................................................1
 87  Stopper ................................................2
 88  Screw,M5x20 ......................................2
 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
 97  Pin,Ø6x30 ...........................................1
 98  Pinlatch,right......................................1
 99  Pinlatch,left ........................................1
100 Top cover .............................................1
101  Spacer..................................................4
102  Nab ......................................................2
103  Screw,M10x25 ....................................4
104  Lockwasher,M5..................................2
105 50463268 Decal,GreenleeUtility .........................2
106 50490095 Decal,warning .....................................1
  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)
80
81
82
83
84
85
87
88
89
90
91
92
93
94
95
9697 9899
100
101
102
103
104
88
87
92
90
91
104
86

Greenlee / A Textron Company 16 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Illustration and Parts List—Nose
Key Part No. Description Qty Key Part No. Description Qty
110 50023837 Nosepart,hex1-1/8",1-1/4" ..............1
111 50023942 Bushing,hex1-1/4"x6"......................1
112 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,57x2 ...............................1
120 50109553 Decal,hexshanksize1-1/4x6...........1
110 50023837 Nosepart,hex1-1/8",1-1/4" ..............1
111 50023918 Bushing,hex1-1/8"x6"......................1
112 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 50109561 Decal,hexshanksize1-1/8x6...........1
1-1/8" x 6" Hex Shank 1-1/4" x 6" Hex Shank
114
115
119
112
111
Loctite 635
120
110
118
117
113
116
Loctite 242
60 Nm (44 ft-lb)

Greenlee / A Textron Company 17 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070
HPB55 Series Hydraulic Paving Breaker
Accessories
Accessories with 1-1/8" x 6" Hex Shank
UPC No.
Key 78-3310- Part No. Description Qty
Accessories with 1-1/4" x 6" Hex Shank
UPC No.
Key 78-3310- Part No. Description Qty
 1 41701 52000036 Moilpoint,14"............................1
 2 41702 52000037 Chiselbit,3"x14" .....................1
 3 41703 52000038 Asphaltcutter,5"x11"..............1
 1 41706 50417062 Moilpoint,14"............................1
 2 41707 50417071 Chiselbit,3"x14" .....................1
 3 41708 52000031 Asphaltcutter,5"x11"..............1
1 2 3

4455 Boeing Drive • Rockford, IL 61109-2988 • USA • 815-397-7070
An ISO 9001 Company • Greenlee Textron Inc. is a subsidiary of Textron Inc.
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www.greenlee.com