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REV30 8.4.15 TT4-8 4TNV98
MAINTENANCE
Preventive Maintenance Item
Any items found to be deficient during the preventive maintenance re-
view should be repaired or replaced. All fluids found low should be
topped off.
Daily
First 50 hours
Every 250 hours
Every 500 hours
Every 1000 hours
or annually †
Perform daily pre-operation checklist (see Operations Manual) X
Engine Oil Change engine oil and replace filter X X
Transmission Oil Change transmission fluid and replace filter X
Steering
Change power steering fluid and replace filter X
Inspect steering linkage and grease ball joints X
Inspect and grease front axle X
Cooling System
Check coolant level X
Flush coolant X
Check and clean radiator fins X
Inspect coolant hoses X
Adjust tension of belts X
Inspect belts X
Fuel System
Inspect fuel system for leaks X
Replace fuel filter X
Drain fuel/water separator X
Clean fuel/water separator X
Replace lubricity filter (if equipped) X
Air Cleaner
Inspect/replace air cleaner element
X
Engine
Compartment
Lap intake/exhaust valve seats (Contact engine service provider) X
Adjust intake/exhaust valve clearance (Contact engine service provider) X
Inspect and clean crankcase breather X
Inspect, clean, and check injection nozzles X
Electrical
Inspect electrical wires and connections X
Inspect battery cables X
Throttle Inspect throttle cable assembly (Tier II only) X
Brake System
Check brake fluid level X
Inspect/replace front brake pads/rotors X
Inspect/replace rear drum brake shoes/linings X
Inspect brake lines and hoses X
Suspension
Re-torque suspension u-bolts, 80 ft-lbs X
Inspect axle shaft u-joints X
Grease driveshaft u-joints X
Re-torque 3/8-24 spindle nuts, 40 ft-lbs X
Rotate tires X
Tires
Re-torque lug nuts, 100 ft-lbs X
PREVENTIVE MAINTENANCE SCHEDULE
† Whichever time period is shorter.
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