120
Inspection items
Interval
How to
check
Months 1 2 3 4 5 6 7 8 9 10 11 12
Hundreds
of hours
2 4 6 8 10 12 14 16 18 20 22 24
Chassis and body maintenance
Front axle
Wheel bearing for looseness I I Test/Adjust
Wheel bearing grease (repack) R Replace
Rear axle
Wheel bearing for looseness I I I I I I I I I I I I Test/Adjust
Steer axle adjustment If Necessary Adjust
Wheel play I I I I I I I I I I I I Test
Wheel bearing grease (repack) R Replace
Kingpin L L L L L Grease
Wheels
Wheel nuts I I I I I I I I I I I I Test/Torque
Rim, side rings and wheel disc damage I I I Visual
Tire: pressure, wear, damage and foreign
materials
I I I I I I I I I I I I Visual/Test
Abbreviations: I = Inspect (correct or replace if necessary), D: Drain, R: Replacement, A: Adjustment, C: Clean, T: Retighten, L: Lubricate/Grease