Operator's Manual

MaintenanceService
Interval
MaintenanceProcedure
Every200hours
•Replacethepaperair-cleanerelement(moreoftenindirtyordusty
conditions)—Models22972and22973only.
•Changetheengine-oillter.
•Replacethefuellter.
•Replacethehydrauliclter.
Every250hours
•Replacetheprimaryairlterandchecktheconditionofthesafetylter(moreoften
indirtyordustyconditions)—Model22974only.
•Checkandgreasetheroadwheels.
Every400hours
•Changethehydraulicuid.
Every500hours
•Replacethesecondaryairlter.(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
runningandcancatchngers,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