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A torn air intake hose and dirty fuel injectors caused the engine to run rich and fluctuate RPM under load
A broken shift cable mounting bracket and stuck inching valve caused the transmission to remain permanently in high-range gearing
Worn chain anchor pins and uneven chain elongation caused the lift chains to skip over the sheave wheel, creating a severe safety hazard
A damaged swing motor brake valve and clogged orifice caused the swing to accelerate and decelerate unpredictably
A sheared parking brake hub key and worn clutch plates caused the machine to roll forward even with the transmission in neutral
Corroded traction motor connector and worn brushes caused voltage drop and drive shutdown under load
A failed swing parking brake solenoid and contaminated hydraulic tank breather caused delayed brake release and cavitation
A cracked main control valve housing and worn cylinder piston seals caused simultaneous pressure loss and load drop
A seized vacuum pump and cracked brake booster diaphragm caused excessive engine drag and loss of braking assist
A stuck-open EGR valve caused unburnt fuel to recirculate, suffocating the engine under heavy load
