Cummins/Onan — 1/2-Inch NPT Fuel Pickup Installation
Installation · fuel pickup assembly
From a Cummins/Onan service manual covering: ES2075s, FS1870s, M11979s, M1976s, M1977s, M1978s. Check it applies to your exact model before use.
Applies to: Kubota 2482B engine
Before you start
- Fuel presents the hazard of explosion or fire which can result in severe personal injury or death.
Procedure
- Remove the plug from the 1/2-inch NPT fitting.
- Measure the tank depth.
- Use a tube cutter to shorten the long (fuel supply) tube so it is 2 inches (50.8 mm) shorter than the tank depth.
- Apply pipe sealer or sealant tape suitable for diesel fuel connections to the NPT threads.
- Install the pickup tube assembly and tighten the fittings securely to prevent leakage.
Tools required
- tube cutter Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Supply tube 2 inches (50.8 mm) shorter than tank depth
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.