7-MAINTENANCE
2.Removethecabpressurizationlter.Removetheplas-
ticknob(1)whichholdsthelterinplace,thenremove
thelter(2).
3.Installanewcabpressurizationlter.Reinstallthe
plasticknobandtightentheknobtoholdthelterin
place.
4.Reinstalltheaccesscoverbyplacingthecoveronto
thecabmountingareaandturningthetwoquarterturn
fasteners.Besuretosecuretheaccesscoverinplace
beforeoperatingthevehicle.
RAIL17SP00232AA3
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