Preparatory Step:
• Clean debris from the fuel line fittings and the fuel transfer pump.
Removal
14 mm, 17 mm, 20 mm Wrench
Disconnect the fuel line from the fuel transfer pump and fuel filter head.
Use two wrenches to disconnect the fuel line from the fuel transfer pump.
10 mm Wrench
Remove the fuel transfer pump.
Clean the mounting surfaces on the cylinder block.
20 mm, 26 mm Wrench
Caution: The hand-prime fitting and Inlet fitting are spring loaded. Sudden removal of these two fittings can
cause personal injury.
Secure the fuel transfer pump in a vise, taking care not to damage the pump housing.
Remove the rubber boot from the hand-prime fitting.
Remove the three illustrated fittings.
Remove all internal components of the fuel transfer pump.
NOTE: Make sure the check valve gaskets are removed from the inlet fitting.
(A) Outlet Fitting(B) Inlet Fitting
(B) Inlet Fitting
(C) Hand Primer Fitting
Cleaning
Thoroughly flush the fuel transfer pump with a cleaning solution to remove any debris.
Assembly
20 mm, 26 mm Wrench
Assemble the fuel transfer pump with the new components supplied in the rebuild kit.
1. Check valves
2. Check valve gaskets
3. O-ring seal
4. Outlet fitting/check valve
5. * O-ring seal (25 mm)
6. *0-ring seal (30 mm) or (25 mm)
* O-ring required is determined by the size of the inlet fitting. Discard unused o-ring.
NOTE: Extreme caution must be used to make sure the check valves are installed to open in the direction of the fuel
flow.
Improper installation of the check valves will result in low power from the engine.
Place the fuel transfer pump in a vise and torque the fittings to the following values:
(A) Outlet Fitting 30 N*m [22 ft-lb]
(B) Hand-Prime Fitting 30 N®m [22 ft-lb]
(C) Inlet Fitting 30 N*m [22 ft-lb]
Installation
10 mm
Caution: Alternately tighten the mounting capscrews. As the capscrews are tightened the fuel transfer pump
plunger is pushed into the pump. Failure to tighten the capscrews in an even manner can result in the plunger
being bent or broken.
Install the pump.
Torque Value: 24 N®m [18 ft-lb]
14 mm, 17 mm, 20 mm Wrench
Install the fuel line to the fuel transfer pump and fuel filter head. Use two wrenches to tighten the connection to the
pump.
Torque Value: 24 N*m [18 ft-lb]
Refer to Procedure 5-15 for venting the low pressure fuel lines.
