Scheduled Checks:

Cooling system

  • Radiator air restriction, hoses, connections, fluid concentration, belts and louver operation

Air intake system

  • Check for leaks, holes and loose connections

Fuel system

  • Fuel levels and pump

Exhaust system

  • Check for leaks, restrictions and flush condensation cap

Electrical system

  • Review meters and battery fluid
  • Recharge if needed
  • Annual, semi-annual and quarterly checks

Annual, semi-annual and quarterly checks

Maintenance (annual)

  • Change oil, filters

Engine Not Running Check:

Review and evaluate

  • Electrical
  • Oil and coolant levels
  • Leaks, holes and connections

Battery and charger (semi-annual)

  • Load, acid and specific gravity
  • Corrosion cleaned
  • Charger output (adjust if necessary)

Fuel system

  • Leaks, water, sediment checks
  • Day tank - float switch pump
  • Governor linkage

Coolant system (check only)

  • Antifreeze, radiator and cap
  • Leaks, hoses, belts and tension

Intake and exhaust (check only)

  • Air cleaner, turbocharger, muffler and traps
  • Leaks
  • Breather, flex pipe, rain cap


  • Diodes, end bearing, brushes and folder
  • A.C. wiring, exciter stator, overspeed switch
  • Breakers


  • Voltage regulator, wiring relays, monitors and bulbs

Transfer switch

  • Time delays, exerciser clocks (adjust or reset as necessary)
  • Clean cabinet

Engine running

  • Record A.C. output
  • Frequency
  • Amps under load
  • Instruct owner
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