AXLE GP-REAR 7D7630 - Caterpillar

2. Disconnect fuel lines (2) and (4) from the fuel transfer pump.3. Remove two bolts (1) and fuel transfer pump (3) from the fuel injection pump housing.4. Remove the O-ring seal from the fuel transfer pump. The following steps are for installation of the fuel transfer pump.5. Put clean fuel on the O-ring seal. Install the O-ring seal in the groove in the fuel transfer pump.6. Put fuel transfer pump (3) in position on the fuel injection pump housing, and install two bolts (1).7. Connect fuel lines (2) and (4) to the fuel transfer pumps.8. Turn on the fuel supply at the tank.