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7 LF45/55 series Steering gear, general DIAGNOSTICS 1-1 1. STEERING GEAR, GENERAL 1.1 FAULT-FINDING TABLE SYMPTOM: HEAVY STEERING, TO BOTH SIDES Possible cause Remedy Tyre pressure of steerable wheels too low. Check the tyre pressure. Increase tyre pressure Semi-trailer coupling damaged or insufficiently Inspect/lubricate semi-trailer coupling. Axle load of steerable axle(s) too high. Check axle load. Steering oil level too low. Check steering oil level. Air in the system. Bleed the system. Filter is extremely dirty. Check filter. Replace the filter, if necessary. Steering oil pipe kinked or pinched off. Check routing of the steering oil pipes. The intake opening in the reservoir is (partially) Check intake opening in the reservoir. Tight steering column bearings or universal Jack up front axle and check the steering column Tight swivel axle bearing. Check steerable axle(s). Excessive caster. Check caster. Reduce if necessary. System pressure too low. Check maximum system pressure. Steering pump output too low. Check pump output. Excessive internal steering box leakage Check for internal leaks in steering box. ᓻ 200322 1 |