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70 Trouble symptom and probable cause Checking and remedy (3) Clutch can't release completely a. Too long free play of pedal b. Wear or crack locking collar c. Crack or distort of wave sheet d. Broken damper spring a. Adjust to 3~5mm b. Replace c. Replace d. Replace (4) Gears hard to mesh a. High speed idle speed of engine a. Adjust the idle speed HFC1048 series trucks 71 Trouble symptom and probable cause Checking and remedy (1) Noise or vibration of driveshaft a. Worn universal joint b. Bending of drive shaft a. Change spider direction or replace universal joint as鄄 (2) Overheating center bracket a. Too much tight of oil seal b. Too bigger a inclination between drive shaft and crankshaft c. Insufficient lubrication a. It will disappear along with travel longer c. Fill up regularly 3援Drive shaft trouble shooting |