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A blocked regeneration orifice in the bucket control valve and a worn pilot pump caused hydraulic starvation under load
A broken return filter element and debris-clogged boom float spool caused uncommanded boom descent and hydraulic thermal runaway
Welded lowering contactor contacts and a burnt dynamic braking resistor caused the hydraulic pump motor to seize in the “Lower” position
A failed planetary gear bearing in the swing drive caused metal debris to destroy the output shaft seal
A cracked hydraulic tank baffle and torn suction strainer caused pump cavitation and slow implement response
Seized fuel injector nozzles caused unburnt diesel to wash into the crankcase, diluting the engine oil
A seized main pump regulator and scored swashplate caused internal bypass and excessive hydraulic drag
Water contamination in the shift lever sensor and a damaged wiring harness caused intermittent transmission disengagement
Worn steer axle pivot pins and unbalanced steer tires caused chassis shake at full lock
A loose pump suction line flange and contaminated hydraulic tank breather caused pump cavitation and erratic engine load
