Operator's Manual
MaintenanceService
Interval
MaintenanceProcedure
Every200hours
•Replacethepaperair-cleanerelement(moreoftenindirtyordusty
conditions)—Models22972and22973only.
•Changetheengine-oillter.
•Replacethefuellter.
•Replacethehydrauliclter.
Every250hours
•Replacetheprimaryairlterandchecktheconditionofthesafetylter(moreoften
indirtyordustyconditions)—Model22974only.
•Checkandgreasetheroadwheels.
Every400hours
•Changethehydraulicuid.
Every500hours
•Replacethesecondaryairlter.(moreoftenindirtyordustyconditions)—Model
22974only.
Every1,500hours
•Replaceallmovinghydraulichoses.
Yearlyorbeforestorage
•Checkandadjustthetracktension.
•Checkandadjustthechaintension.
•Touchupchippedpaint
Important:Refertoyourengineowner’smanualforadditionalmaintenanceprocedures.
Pre-Maintenance
Procedures
RemovingtheCoverPlate
Note:Thefastenersonthecoversofthismachine
aredesignedtoremainonthecoverafterremoval.
Loosenallfastenersoneachcoverafewturnssothat
thecoverisloosebutstillattached,thengobackand
loosenthemuntilthecovercomesfree.Thisprevents
youfromaccidentallystrippingtheboltsfreeofthe
retainers.
1.Parkthemachineonalevelsurface,engage
theparkingbrake(ifapplicable),andlowerthe
boom.
2.Shutofftheengineandremovethekey.
WARNING
Thereisarotatingshaftunderthecover
thatismovingwhenthemachineis
runningandcancatchngers,hands,
loosehair,andclothing,causingserious
injury,amputation,ordeath.
Alwaysshutofftheengineandwaitfor
allmovingpartstostopbeforeremoving
thecover.
3.Loosentheboltattherearofthecoverplate.
4.Loosenthe3boltssecuringthecoverplateto
theframesequentiallyuntilthecoverisloose
(Figure21).
g281382
Figure21
1.Bolt(3)2.Coverplate
5.Slidethecoverplatetowardtherightsideofthe
machine,thenpullitoffovertheboltsandoff
themachine.
6.Toinstallthecoverplatebeforeoperatingthe
machine,slidetheplateintoplaceandsecureit
withthe3boltsyouloosenedpreviously(Figure
21).
22