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Perkins — Walk-Around Inspection (Inspect the Engine for Leaks and for Loose Connections)

Maintenance

From a Perkins service manual covering: 402D-05, 403D-07, 403D-11, 403D-15, 404D-22, 404D-22T, 404D-22TA. Check it applies to your exact model before use.

Applies to: Perkins 402D-05, Perkins 403D-07, Perkins 403D-11, Perkins 403D-15, Perkins 404D-22, Perkins 404D-22T, Perkins 404D-22TA

Before you start

  • For any type of leak (coolant, lube, or fuel) clean up the fluid; find and correct the source.
  • Accumulated grease and/or oil on an engine is a fire hazard. Remove accumulated grease and oil.

Procedure

  1. Inspect engine compartment for oil or coolant leaks, loose bolts, worn belts, loose connections, trash buildup.
  2. Ensure guards are in place; repair damaged guards or replace missing guards.
  3. Wipe all caps and plugs before servicing to reduce contamination.
  4. Ensure cooling system hoses are correctly clamped and tight; check for leaks and pipe condition.
  5. Inspect the water pump for coolant leaks.
  6. Inspect lubrication system for leaks at front/rear crankshaft seals, oil pan, oil filters, rocker cover.
  7. Inspect fuel system for leaks; look for loose fuel line clamps and/or tie-wraps.
  8. Inspect air intake piping and elbows for cracks and loose clamps.
  9. Inspect alternator belts and accessory drive belts for cracks, breaks or other damage.

Full service-parts list: Perkins 402D-05 →, Perkins 403D-07 →, Perkins 403D-11 →, Perkins 403D-15 →, Perkins 404D-22 →, Perkins 404D-22T →, Perkins 404D-22TA →

Source: Perkins service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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