Service Manual

Bleeding Air From the Injectors
This procedure should only be used if the fuel system
has been purged of air. (See Bleeding the Fuel System
in this section of the book.)
1. Loosen the pipe connection at the number one nozzle
an
d holder assembly on the cylinder head (Fig. 41).
2. Push accelerator pedal to the floor.
3. Turn the ignition key to the START position to crank
t
he engine and pump fuel to the nozzles. Turn the
ignition key to the OFF position when a steady stream
of fuel flows out of the loose pipe connection.
4. Tighten the pipe connector.
5. Repeat steps 1 - 4 for the No. 2 and No. 3 injector
no
zzle and holder.
Figure 41
1
1. Fuel injector nozzle and holder (3)
Fuel Pump Service
The only serviceable parts of the fuel pump are the
magnet, filter, and the gaskets on each end of the filter.
1. Disconnect the fuel pump wires from the wiring har-
ness and ground connection.
2. Disconnect the fuel hoses from the pump. Plug the
f
uel lines.
3. Remove the two screws which secure the pump to
t
he frame.
4. Use a 17 mm wrench to remove the cover from the
fuel pump (Fig. 42). Remove the gasket, magnet and
filter element.
Figure 42
1. Cover 4. Filter
2. Cover gasket 5
. Body
3. Magnet
Liquid Cooled
Diesel Engine
Workman 3300-D/4300-D
Page 4 - 51 Liquid Cooled Diesel Engine