Cummins/Onan 5.6TGHAA11381C — Crankcase Breather Assembly Service
Repair & overhaul
For the Cummins/Onan 5.6TGHAA11381C, from the Cummins/Onan service manual.
Applies to: Cummins/Onan TGHAA
Before you start
- Most parts cleaning solvents are flammable and corrosive; use only as recommended by the manufacturer.
Procedure
- Remove the capscrew to disassemble the breather assembly.
- Clean all the parts in parts cleaning solvent.
- Reassemble using a new gasket.
- Replace the reed valve if it does not lie flat across the discharge orifice.
- Torque the cover capscrew to 12-24 lb-in (1.3-2.6 N-m).
Specs & values
- Crankcase vacuum at least 10 inches (254 mm) WC
- Cover capscrew torque 12-24 Amazon eBay FridayParts $60.00 lb-in (1.3-2.6 N-m)
Full service-parts list: Cummins/Onan TGHAA →
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.