STICK & BEARING AS 1540701 - Caterpillar

1. Use tool (A) to remove filter (5) from the fuel filter base.2. Disconnect tube assembly (4) and hose (3) from fuel transfer pump (2). Plug and cap all openings to prevent contamination and debris from entering the system.3. Remove two bolts (1) and fuel transfer pump (2) The following steps are for the installation of the fuel transfer pump.4. Check the condition of the O-ring seal for fuel transfer pump (2). If the seal is worn or damaged, use a new part for replacement. Install the O-ring on the fuel transfer pump.5. Put clean engine oil on the o-ring seal and on the bore of the fuel injection pump housing.6. Install fuel transfer pump (2) and bolts (1).7. Connect hose (3) and tube (4).Disassemble & Assemble Fuel Transfer Pump
Start By:a. remove fuel transfer pump
Cover (1) is under spring force. To prevent possible personal injury, carefully remove bolts (2) and cover (1).
1. Remove bolts (2) and cover (1) from the housing. 2. Remove O-ring seals (3) and (4) from the cover.3. Remove valve assembly (5) from the cover. 4. Remove spring (6). 5. Remove piston (12) from sleeve (10). Remove washer (15), valve assembly (14) and seal (13) from piston (12).6. Remove sleeve (10) from housing (7). Remove O-ring seal (11) from the sleeve.7. Remove guide and tappet assembly (9) and seal (8) from housing (7). 8. Remove two screws (16), cover (17) and the seal from the housing (7). 9. Remove valve assembly (18) from housing (7).Assemble Fuel transfer Pump
Be sure all parts of the fuel transfer pump are clean before assembly.
1. Install valve assembly (2) in housing (1) as shown. 2. Put clean diesel fuel on seal (3). Put seal (3) in position on cover (4) as shown. Put cover (4) on housing (1). Install the screws that hold the cover. 3. Put clean diesel fuel on seal (5). Put seal (5) and guide and tappet assembly (6) in position in housing (1).4. Put clean diesel fuel on O-ring seal (8). Put O-ring seal (8) in position on sleeve (7). Install sleeve (7) in housing (1).5. Install piston (9) in sleeve (7).6. Put clean diesel fuel on seal (10). Put seal (10), valve assembly (11) and washer (12) in position in piston (7). 7. Put clean diesel fuel on O-ring seals (13) and (14). Put the O-ring seals and valve assembly (15) in position in cover (16) as shown. 8. Put spring (17) and cover (16) in position on housing (1). Install the bolts that hold the spring and cover.End By:a. install the fuel transfer pump