3116 and 3126 Truck Engines Fuel Transfer Pump – Install

Installation Procedure
Clean all components and the mating surfaces. Inspect all components. If any component is worn or damaged, use a new part for replacement.


Illustration 1 g00998914

Install the fittings for the fuel inlet port and the fuel outlet port on fuel transfer pump (1) .


Illustration 2 g00998915

Install O-ring seal (6) on the unit injector hydraulic pump.


Illustration 3 g00998906

Position fuel transfer pump (1) on unit injector hydraulic pump (4) .

Install bolts (5). Tighten bolts (5) for fuel transfer pump (1) to a torque of 25 ± 3 N·m (18 ± 2 lb ft).


Illustration 4 g00998361

Install tube assembly (3) and tube assembly (2). Tighten the connectors for the fuel inlet port and the fuel outlet port to a torque of 18 ± 2 N·m (13 ± 2 lb ft).

3 Replies to “3116 and 3126 Truck Engines Fuel Transfer Pump – Install”

  1. Great information for the 3126, heui system. But, I’m needing information for the 3116, mechanical fuel system.

Leave a Reply

Your email address will not be published. Required fields are marked *