12631-99JL0 Suzuki PULLEY, CRANKSHAFT

2. Disconnect two fuel lines (3) from the fuel transfer pump. Cap and plug all openings immediately.3. Remove two bolts (1), and remove fuel transfer pump (2). Remove the O-ring seal from the fuel transfer pump. The following steps are for installation of the fuel transfer pump.4. Put the O-ring seal in position on the fuel transfer pump. Put clean engine oil on the O-ring seal.5. Put fuel transfer pump (2) in position, and install bolts (1).6. Remove the caps from the fuel lines, and connect fuel lines (3) to the fuel transfer pump.7. Turn the fuel supply to the "ON" position.8. Prime the fuel system. See the Operation & Maintenance Manual for the proper procedure. For more detailed information regarding the fuel transfer pump, see the topic "Fuel Transfer Pump" in the Specifications Manual.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 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 (2) in housing (1) as shown. 2. Put clean fuel on seal (4), and install it on cover (3).3. Install cover (3) on the housing.
The tappet and guide must be serviced as a unit.
4. Install tappet (6) in guide (5). Install ring (7) on tappet (6) to hold the tappet in the guide. 5. Put clean fuel on seal (8), and install it on guide and tappet assembly (9).6. Install guide and tappet assembly (9) in the housing as shown. 7. Put clean fuel on seal (10), and install it on sleeve (11).8. Install sleeve (11) in the housing. 9. Install piston (12) in the housing. 10. Install seal valve (14) and washer (13) in the housing as shown. Be sure valve (14) is the correct position in the housing. 11. Install spring (15) in the piston. 12. Install valve (18) in cover (16) as shown.13. Put clean fuel on seals (17), and put them in position on cover (16).14. Install cover (16) on the housing. 15. Put seal (19) in position on the fuel transfer pump.End By:a. install fuel transfer pump