MTT13 CAT773(F)

MTT13-CAT773(F)-522 Apr 2011SECTION 2Scheduled InspectionsContentsDescription ………………….…….……... 2-1Sprayheads ……………………………….. 2-1Control System …………………………… 2-2MTT Structure ……………..……………... 2-2Water Pump System .......…………............. 2-3DESCRIPTIONThis section establishes scheduled maintenance inspections of the installed MTT at the designatedfrequencies. Performing these inspections will identify potential system discrepancies and allowpreventative maintenance to be performed before a component or system is rendered totallyinoperative.**NOTE: Vehicles operated in extremely low quality water environments may require more frequentinspections.STEP123456SPRAYHEADSCheck spray head for damage andclean deflector ring and spray headopening.Check hydraulic lines for security,damage and leaks.Check spray head drop-in assembly forleaks with spray head switch OFF andwater pump ON. Replace drop-inassembly as required.Check spray head base plate and upperhousing mount bolts for security.Check spray head adjustable deflectorring for damage and correctadjustment. Apply dry-film lubricantto the deflector inner ring.Check spray head base plate forevidence of leaks. Replace base plateO-ring as required.WEEKLY(150 HRS)XXBI-WEEKLY(250 HRS)FREQUENCYMONTHLY(500 HRS)XXXQUARTERLY(1000 HRS)SEMI-ANNUAL(2500 HRS)ANNUALLY(5000 HRS)X2-1