C7 Industrial Engines Disassembly and Assembly – Fuel Transfer Pump – Install

1. Position fuel transfer pump (2) on the unit injector hydraulic pump. Be sure to align the drive tang of the fuel transfer pump to the drive slot in the end of the pump shaft.

2. Install tie bolts (4). Tighten the bolts to a snug fit.

3. Remove Tooling (A) that is located in the upper left hole and install remaining tie bolt (1) to a snug fit.

4. Install bolts (3) for fuel transfer pump (2). Tighten the bolts to a snug fit.

5. Start in the lower left corner of the unit injector hydraulic pump and tighten tie bolts (4) to a torque of 28 ± 2 N·m (21 ± 1 lb ft) in a crisscross pattern. Torque the bolts again.

6. Tighten bolts (3) to a torque of 8.0 ± 0.4 N·m (71 ± 4 lb in).

End By: Install the unit injector hydraulic pump. Refer to Disassembly and Assembly, “Unit Injector Hydraulic Pump – Install”.