HARNESS AS-ENGINE 2248642 - Caterpillar

1. Disconnect fuel lines (2) from the fuel transfer pump.2. Loosen nut (1) on the oil filler tube clamp. 3. Remove two bolts (3). Push bracket (4) clear of fuel transfer pump. Remove fuel transfer pump (5).Install Fuel Transfer Pump
1. Install a new gasket (1) on the fuel transfer pump.2. Put fuel transfer pump (2) in position on the governor and fuel pump drive. Put bracket (3) in position under the fuel transfer pump and install the two bolts that hold the fuel transfer pump. 3. Tighten nut (4) on oil filler tube clamp.4. Connect fuel lines (5) to the fuel transfer pump.Disassemble Fuel Transfer Pump
start by:a) remove fuel transfer pump 1. Remove bolts (1). Remove cover (2) from the fuel transfer pump. 2. Remove bolt (3). Remove gasket, spring and plunger from under bolt.3. Remove gear (4).4. Remove shaft assembly (5). 5. Remove O-ring seal (7) from body assembly.6. Install a 5/16"-18 NC forged eyebolt (6) in the plug. Remove plug (8) and O-ring seal. Remove the O-ring seal from the plug. 7. Remove valve assembly (9). 8. Remove two lip seals (10) from the body assembly. 9. Remove two bearings (11) from the body assembly with tooling (A).Assemble Fuel Transfer Pump
1. Install bearings in body (1) with tooling (A). Install bearing on gear end of body to a depth of .03 .02 in. (0.76 0.51 mm) below the surface of the body. Install the bearing on the opposite end of the body even with the body surface. 2. Put 4H5363 Sealant on the outside diameters of the seals. Install the lip seals in the body assembly with tooling (A). Install the first seal with lip toward bearing. Install the lip seal to a depth of .406 .010 (10.31 0.25 mm). Install the second seal with lip away from bearing. Make sure the second lip seal is even with the surface of the body assembly. 3. Install the valve assembly in the body assembly with tooling (A) to a depth of .57 .02 in. (14.5 0.5 mm). 4. Install O-ring seal (3) on the plug. Install a 5/16"-18 NC forged eyebolt (2) in the plug. Put a small amount of clean diesel fuel on the O-ring seal and install plug (4) in the body assembly. Make sure plug is even with the surface of the body.5. Install O-ring seal on the body assembly. 6. Put a small amount of clean diesel fuel on the lip seals. Put tool (B) in position on shaft assembly. Install shaft assembly (5) in the body assembly. 7. Install gear (7).
Do not get liquid gasket material into pump.
8. Put 7M7260 Liquid Gasket Material on the body assembly surface that makes contact with the cover. Install cover (6).9. Shaft assembly must turn by hand after cover is installed. 10. Install plunger (8), spring (9), gasket (11) and plug (10) in body assembly. Tighten plug to a torque of 27 3 lb.ft. (35 4 N m).end