Cummins/Onan — Crankshaft Endplay Check
Adjustments · Crankshaft / oil base
From a Cummins/Onan service manual covering: P216, P218, P220, P248. Check it applies to your exact model before use.
Applies to: Cummins/Onan P216, Cummins/Onan P218, Cummins/Onan P220, Cummins/Onan P248
Procedure
- Tighten the oil base to the torque recommended in Section 4 Assembly.
- Check the crankshaft endplay and compare it with Section 3 Dimensions and Clearances.
- If endplay exceeds the specified limits, remove the oil base and add shim(s) between the thrust washer and the oil base.
- Install the oil base, making sure the thrust washer and shim notches line up with the lock pins.
- Torque the oil base and check the endplay again.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Crankshaft end play 0.0060 - 0.0120 in (0.152 - 0.305 mm)
- Oil base torque 27-29 lb-ft (36-39 Nm)
Full service-parts list: Cummins/Onan P216 →, Cummins/Onan P218 →, Cummins/Onan P220 →, Cummins/Onan P248 →
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.