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Home›Repair guides›ENGINE DISASSEMBLY

Cummins/Onan — ENGINE DISASSEMBLY

For these Cummins/Onan models: 4CCK, 5CCK.

Applies to: Cummins Onan 4Cck, Cummins Onan 5Cck

Procedure

  1. Drain oil - discard cil removed. 8, Cylinder head
  2. Valves, springs, rocker arms
  3. Camshaft and gear, rear bearing plate, oil pump 11, Piston, connecting rod bearings 12, Crankshaft
  4. Try to analyze reasons for any parts failure and necessity of the repair, Cleanliness and neat orderly work area makes the job easier to do. Use proper meters and gauges. Observe if cylinder requires boring, crankshaft needs grinding, or other major shop work necessary. Check generator and static exciter (if used). Use growler, test light (buzzer), or ohmmeter for ar-

Source: manual:927-0500 Onan CCK (spec A-K) Genset Service manual (06-1971).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.