44
TK 56433-5-MM-EN
Figure 37.
Injection Pump Gear Tool
1.
Injection Pump
5.
Adapter (Tool)
2.
Gear Case
6.
Tool Long Screw (Tool)
3.
Cover Plate
7.
Tool Short Screw (Tool)
4.
Cover Plate Bolt
8.
Tool Plate (Tool)
Injection Pump Reinstallation
1. Position injection pump shaft into gear, rotating
shaft to mate key with keyway in gear. Take care to
make sure the key mates with the keyway.
2. Secure injection pump to gear case with previously
removed hardware. Make sure to align the index
marks on the injection pump and the gear case like
they were in step 1 of
.
N
No
otte
e:: If a different injection pump is being installed,
see
“Injection Pump Timing,” p. 40
to set the
timing.
3. Remove hardware holding gear to tool plate, then
remove tool plate.
4. Secure the gear to the injection pump shaft with the
lock washer and nut. Use a shop rag, as before, to
prevent the lock washer or nut from falling into the
gear case. Torque the nut to 58 to 65 ft-lb (78 to 88
N•m).
5. Fasten cover plate to gear case and reinstall all
components removed previously to facilitate
injection pump removal.
Fuel Solenoid
The fuel solenoid is located on the end of the injection
pump. It contains two coils: the pull-in coil, and the
hold-in coil. The pull-in coil draws approximately 35 to
45 amps at 12 volts. The hold-in coil draws
approximately 0.5 amps at 12 volts.
The pull-in coil must be energized to move the injection
pump governor linkage to the fuel on position. Once
the injection pump governor linkage has been moved
to the fuel on position, the hold-in coil will keep it in
fuel on position until the 8D circuit is de-energized. The
pull-in coil must be de-energized after a few seconds to
keep it from being damaged. The pull-in coil is
controlled by the microprocessor through the fuel
solenoid pull in relay (K6).
