Cummins/Onan — Camshaft, Valve - Replace

Repair & overhaul · Valve Camshaft

From a Cummins/Onan service manual — check it applies to your exact model before use.

Applies to: Cummins/Onan MDKBH

Procedure

1. Disconnect and connect battery cables, engine wiring harness, fuel lines, exhaust hose, coolant hoses
2. Drain and refill engine fluids
3. Remove and install soundshield, coolant pump drive belt, coolant pumps, coolant hoses
4. Remove and install intake resonator, governor actuator, fuel injection supply and return lines
5. Remove and install valve cover rocker assembly and pushrods, exhaust manifold, cylinder head and gasket
6. Remove and install lifters, crankshaft pulley, gearcase cover and gasket, idler gear
7. Remove and install camshaft stopper, camshaft and gear
8. Torque cylinder head
9. Adjust valve lash
10. Adjust belt tension
11. Test run unit

Full service-parts list: Cummins/Onan MDKBH →

Source: Cummins/Onan 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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