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Field reference — industrial maintenance

When the machine won't hold still,
start from the symptom.

Troubleshooting guides written the way faults are actually worked: confirm the symptom, rank the causes, isolate energy, test, fix, verify. No filler between you and the answer.

Contents

  1. hydraulics-pneumatics Hydraulics & PneumaticsCylinders, valves, hoses, air preparation, and troubleshooting for leaks and drift.
  2. steam-systems Steam SystemsSteam traps, condensate, pressure-reducing valves, and water hammer.
  3. sensors-plc Sensors & PLCProximity and photoelectric sensors, PLC I/O wiring faults, and mechatronics.
  4. power-transmission Power TransmissionBearings, shafts, chains, belts, couplings, and alignment.
  5. fasteners FastenersBolts, threads, torque, and rescue methods for stuck or stripped fasteners.
  6. pumps Pumps & SealingCentrifugal pumps, mechanical seals, packing, and shaft sealing problems.
  7. motor-drives Motors & DrivesAC motors, variable frequency drives, braking hardware, and drive fault diagnosis.
  8. compressed-air Compressed AirAir compressors, receivers, dryers, and compressed air distribution problems.
  9. control-panels Control Panels & CircuitsControl transformers, control-circuit wiring, fusing, and panel-side fault diagnosis.

Recently revised