156806-0900 ZEXEL 9 423 610 523 BOSCH PIN 9423610523 1568060900 1157498690

1. Disconnect the fuel outlet line (1) and fuel inlet line (3) from the priming pump.2. Disconnect the fuel line (2) from pump.3. Remove the bolts (4) from pump.4. Remove the fuel transfer pump.5. Remove the fuel lines (1) and (3) from pump.Install Fuel Transfer Pump
1. Install the two fuel lines in transfer pump.2. Put the fuel transfer pump in position in the accessory drive housing, and install the two bolts.3. Connect the two fuel lines to priming pump.4. Connect the fuel line to transfer pump.Disassemble Fuel Transfer Pump
start by: a) remove fuel transfer pump 1. Remove the nut (2), gear (3), and key.2. Remove the cage (1). Remove the O-ring seals from the cage.3. Use tool setup (A) to remove the bearing and seals from cage (1).4. Remove the cover (4).
Be careful during disassembly and assembly of pump to prevent damage to the contacting surfaces of the cover (4) and the pump body.
5. Remove the bolt (5), spring, and ball for the check valve for the priming pump. 6. Remove the gear (7), and gear and shaft assembly (6) from pump body. 7. Use tool setup (A) to remove the bearing from the pump body.Assemble Fuel Transfer Pump
1. Clean all parts thoroughly before assembling the pump. 2. Use tool setup (A) to install the bearing in the pump body.3. Put the gear, and gear and shaft assembly in position in pump body.4. Put a thin amount of 8S6747 Liquid Gasket Material on the face of body assembly that is against the cover.
Do not let the liquid gasket material get into the pump.
5. Put the cover into position on pump body and install the bolts. The gear and shaft assembly must turn freely after the bolts in cover have been tightened.6. Install the check valve ball, spring, and bolt for the priming pump in the cover. 7. Use tool setup (B) to install the seals in cage. Install the two seals with the lips of seals toward each other.8. Use tool setup (A) to install the bearing in cage assembly. Install the O-ring seals on cage. 9. Put clean oil on O-ring seals and lips of seals. 10. Put the cage assembly in position, and install the woodruff key, gear, and nut. Tighten nut to 22 5 lb.ft. (3.0 0.7 mkg).end by: a) install fuel transfer pump