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CATERPILLAR - DAILY & MONTHLY INSPECTION

The following lists all common Daily and Monthly Inspections that should be performed on Caterpillar Engines and DPF Systems.

DAILY


DAILY
   INSPECTIONS

ENGINE INSPECTIONS:

  • Engine Oil Level 

  • Coolant Level

  • Exhaust Leaks

  • Turbocharger Air Intake, CAC, & Boost Side of CAC

  • CAC Boots (cracked? Boost Leaks?)

  • Crankcase Breather & Tubing

  • Accessory Belt

  • Cooling Fan & Shroud

  • Engine Noise (Exhaust Leaks at Exhaust Manifold - loud whistling?)

  • Air Leaks in compressed air system (brakes)

  • Fuel System and Water Separator drain


 

DPF DAILY INSPECTIONS:​

  • Exhaust Leaks or Damage to Exhaust System or Mounting Hardware

  • Wetness due to Fuel Leaks at DPF Fuel Injector


 

MONTHLY


MONTHLY
   INSPECTIONS

ENGINE INSPECTIONS:

  • Engine Air Filter Indictor

  • Charge Air Cooler and Tubing, signs of wetness from Oil Entry from Turbo Oil Consumption

  • Coolant Quality and Level

  • Radiator Blockage or Leaks

  • Turbocharger Air Intake, CAC, & Boost Side of CAC

  • Crankcase Breather Tubing (Excessive Oil bleeding through rubber hoses or flanges?)

  • Engine Mounts & Mounting Bolts (Cracks? Loose?)

  • Coolant Reservoir & Coolant Level Sensor (wiring damaged or cut?)

  • Inspect the Exhaust Manifold for signs of cracking or damage (Turbo Oil Consumption may create excessive heat)


 

DPF MONTHLY INSPECTIONS:

  • Excessive DPF Active REGENs (per the operator, or via CAT ET Diagnostic Software)

  • ARD Head (Loose or damage Spark Plug Wiring, Coil Wiring, or Wiring Harness?)

  • Exhaust Leaks (Flex Pipe cracked?)

  • Signs of Heat Damage at DPF Differential Pressure Sensor & Tubing and DPF Wiring Harness (especially on Burner Style DPFs)

  • Blue or White Smoke exiting DPF due to Oil Entry or excessive Diesel Fuel Consumption


 

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