Greenlee HPB45 Series User manual

INSTRUCTION MANUAL

HPB45 Series

Hydraulic Paving Breaker

Serial Codes GMN and GMP

Read and understand all of the instructions

and safety information in this manual before

operating or servicing this tool.

Greenlee / A Textron Company 2 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070

HPB45 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HPB45SeriesGreenleeUtilityPavingBreakeris

intendedtobreakupasphalt,concrete,andhardclay.

AccessoriesavailablefromGreenleeUtilityallowthe

HPB45 to drive ground rods.

TheHPB45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:

• HPB45-1AVS 1-1/8"x6"shankwith

dampening handles

• HPB45-2AVS 1"x4-1/4"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

HPB45 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

HPB45 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

HPB45 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

HPB45 Series Hydraulic Paving Breaker

Identiﬁcation

HPB45 Series Hydraulic Paving Breaker

1. Handle

2. Trigger

3. Pressure Port

4. Return Port

5. Front End

6. Latch

455 mm (18")

Hex 1": 682 mm (26.5")

Hex 1-1/8": 731 mm (28.5")

Greenlee / A Textron Company 7 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070

HPB45 Series Hydraulic Paving Breaker

Speciﬁcations

HPB45 Series

TypeofHydraulicSystem.......................... Open-center

Weight(withouthosesandtool)

 Hex1" .................................................21.8kg(48lb)

 Hex1-1/8"...........................................25.0kg(55lb)

SteelSize(standard)..........Hex1"x4-1/4",1-1/8"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............22to36Hz(1320to2160/min)

Impact Energy ..................................................85Joule

Hydraulic Port Connections ........................... 1/2"BSP

VibrationLevel(3axis)................................ a = 4.8 m/s2

SoundPowerLevel

Guaranteed

  Hex1"...............................................Lwa=109dB

  Hex1-1/8" ........................................Lwa = 110 dB

Measured

  Hex1"...............................................Lwa = 107 dB

  Hex1-1/8" ........................................Lwa=106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

PTOOL

RESERVOIR

PUMP

POWER SOURCE

Greenlee / A Textron Company 8 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070

HPB45 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

HPB45 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.

Typical Setup

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.

Greenlee / A Textron Company 10 4455BoeingDr.•Rockford,IL61109-2988USA•815-397-7070

HPB45 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.”

Table of contents

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