Operator's Manual

Maintenance
CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentlystarttheengineand
seriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionbeforeyoudoanymaintenance.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Beforeeachuseordaily
•Greasethebit.Greaseevery3hoursofoperationandaftereverywashing.
•Checkthehydrauliclinesforleaks,loosettings,kinkedlines,loosemounting
supports,wear,weather,andchemicaldeterioration.
•Inspectandtightenallfasteners.
•Inspectthemountingpins,holes,bitbushing,andretainerpinsforloosenessor
wear.Reseatorreplaceasnecessary.
Every40hours
•Measurethebitlengthwhenpressedintothebitholder.Replacethebitifthe
measuredlengthislessthan200mm(7.8inches).
Every100hours
•Checkthenitrogenchargeintheaccumulator.
Beforestorage
•Paintchippedsurfaces.
GreasingtheBit
ServiceInterval:Beforeeachuseordaily—Grease
thebit.Greaseevery3hoursof
operationandaftereverywashing.
Greasetype:General-purposegrease
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake(ifapplicable).
2.Tiltthebreakersothatitisverticalandlowerit
tothegroundtopushthebitupintothebreaker
untilitstops.
Important:Ifyoudonotpushthebitupinto
thebreakerbeforegreasing,greasemayll
thespacebetweenthetopofthebitandthe
breakerpiston.Thiscausesthepistonto
pressurizethegreaseanddamagetheseal
whenyounextusethebreaker.
3.Shutofftheengineandremovethekey.
4.Cleanthegreasettingwitharag.
5.Connectagreaseguntothetting.
g359783
Figure17
6.Pumpgreaseintothettinguntileithergrease
beginstooozeoutofthelowerbushingand
retainingpinorpumpingthegreasegun
becomesdifcult.
7.Wipeupanyexcessgrease.
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