Inspection Period Item POWER TRANSMISSION SYSTEM Every 1 month Every 3 months Every 6 months Every 12 months Every 170 hours Every 500 hours Every 1000 hours Every 2000 hours Clutch Clutch pedal play Abnormal sound and functioning (connection) Clutch master cylinder function and leak Fluid level Oil clutch mechanism function and leak M I I I t t t t + t t t I c e e c t Transmission Leak Fluid level Gear function and abnormal noise I I I + t + + t + t t + Differential Leak Oil level Bolt loosening I I t t +- +- t I + T Torque converter and transmission Leak Fluid level Operating mechanism function and looseness Control valve and clutch functions Inching valve function Stall and hydraulic pressure measurement I I I I I t t t t t + + t t t M +- +- 4- t +- t Propeller shaft and axle Loose joint Looseness at spline connections Looseness of universal joint Twisting and cracks of axle shaft T t e I I I DRIVE SYSTEM Wheels Tire inflation pressure Tire cuts, damage and uneven wearing Loose rim and hub nuts Tire groove depth Metal chips, pebbles and other for- eign matter trapped .in tire grooves Rim, side ring and disc wheel damage Abnormal sound and looseness of front wheel bearing M I T M I I I +- t t t C t t +- t t t t t t t t t t t t t