16. TROUBLESHOOTING 16.3.2 CHASSIS Problem Main causes Transmission oil pressure does not rise by damage or improper tightening of oil pipe, pipe joint Entry of air or leakage of oil caused (o Check, repair) Wear, scuffing of gear pump Lack of oil in transmission case l Add oil to specified level. (o Check, replace) Clogged oil filter element strainer in 0 Clean See CHECK BEFORE STARTING. transmission case Lack of drawbar pull (travel speed does not rise) l Lack of engine horsepower l See section related to engine Machine does not move off even when gear shift lever is placed in position l Lack of oil in transmission case l Add oil to specified level.
l Transmission oil pressure does not rise l See “Transmission oil pressure does not rise” See CHECK BEFORE STARTING. l Steering clutch is slipping 0 Wear, scuffing of gear pump (0 Check, repair) When steering lever on one side is pulled during operations, machine does not turn, but stops or engine speed changes pulled is not disengaged o Excessive clearance between adjustment bolt and bellcrank Steering clutch on side which is o Adjust. For details, see WHEN REQUIRED Steering clutch slipping on opposite side o Improper adjustment o Adjust.
For details see WHEN REQUIRED When steering lever is pulled on one side, machine does not turn and travels straight l Steering clutch on side which was pulled is not disengaged l Adjust. For details see WHEN REQUIRED l Brake on side which was pulled does not work l Adjust. For details see WHEN REQUIRED When brake pedal is depressed, machine does not stop l Defective brakes l Adjust. For details see WHEN REQUIRED Track comes off l Track too loose l Adjust. For details see WHEN REQUIRED Abnormal wear of sprocket l Track too loose or too tight Blade rises slowly or does not rise at all l Lack of hydraulic oil l Add oil to specified level. See EVERY 250 HOURS SERVICE. 2-56