SPACER 1712870 - Caterpillar

Remove & Install Fuel Transfer Pump
FLUID SPILLAGE CONTAINMENTCare must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "Tools And Shop Product Guide", NENG2500, for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates. 1. Remove fuel line (1) and (3) from the fuel transfer pump.2. Put caps in the fuel line openings to prevent fuel system contamination.3. Remove bolts (2), and remove fuel transfer pump (4). Check the condition of the O-ring seal on the fuel transfer pump. If necessary, make a replacement. The following steps are for installation of the fuel transfer pump.4. Be sure the O-ring seal is in position on the fuel transfer pump. Put clean engine oil on the O-ring seal.5. Put fuel transfer pump (4) in position, and install the bolts that hold it in place.6. Remove the caps from the fuel line openings, and install fuel lines (1) and (3).Disassemble Fuel Transfer Pump
Start By:a. remove fuel transfer pump FLUID SPILLAGE CONTAINMENTCare must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "Tools And Shop Product Guide", NENG2500, for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates. 1. Remove seal (1) from the fuel transfer pump.
Cover (2) is under spring tension. Remove the bolts that hold cover (2) slowly to prevent possible personal injury.
2. Remove bolts (3) and cover (2) from the housing. 3. Remove seals (4) and valve (5) from cover (2). 4. Remove spring (6) from the piston.
Mark the orientation of valve (8) as to its location in the housing.
5. Remove washer (7), valve (8) and the seal from the housing. 6. Remove piston (9) and sleeve (10) from the housing. 7. Remove seal (11) from sleeve (12). 8. Remove guide and tappet assembly (13) from the housing. 9. Remove seal (14) from guide (15).
If tappet (17) or the guide are damaged or worn, they must be replaced as a unit.
10. Remove ring (16) from tappet (17) and the tappet from guide (15). 11. Remove the bolts and cover (18) from the housing. 12. Remove seal (19) from cover (18). 13. Remove valve (20) from the housing if necessary.Assemble Fuel Transfer Pump
1. Install valve (20) in housing as shown. 2. Put clean fuel on seal (19),