TM 5-4310-354-14
positioned on the engine which has the
gear housing and secure with lock washers and
crankshaft aligned to the proper timing position.
cap screws (figure 7-15).
(6) Install pump timing cover plate and gasket on
NOTE
the pump.
If the fuel pump drive shaft has been
(7) Connect wires to fuel pump solenoid terminals
removed, note that the shaft has a
tang with an off-center drilled hole
to pump throttle lever; secure with lock nut
that aligns with a matching drilled
hole in the distributor rotor. Check
the alignment of these holes to
(8) Remove fuel connection screws and washers
assure correct installation.
from injection pump. Connect the fuel injection
(3) Install injection pump on mounting studs. Install
lines to the pump using the connection screws
flat washers, lock washers, and nuts on
and a washer on each side of the fuel line
mounting studs finger tight only (figure 7-15).
connection.
Tighten the connection screws
(4) Install drive gear onto tapered end of injection
Connect the fuel leakoff line, fuel return hose,
pump shaft. Install lock washer and nut on
and fuel pickup hose (figure 7-15).
pump shaft.
Rotate pump shaft in rotation
direction until timing marks are aligned (figure
(9) Purge the system of air (figure 3-17); then,
connect fuel pressure hose (figure 7-15).
mounting nuts.
(10) Install the radiator and oil cooler group (figure
(5) Install thrust plate gasket and thrust plate on
Section V. WATER PUMP AND FAN ASSEMBLY
The water pump assembly is a
7-9.
General.
7-10. Water Pump and Fan Assembly.
centrifugal-type pump mounted on the front of the
engine. The water pump is driven by a single V-belt
a. Removal.
from a crankshaft-mounted drive pulley. The alternator
is also driven by this V-belt with tension adjustment of
(1) Remove the radiator and oil cooler group (figure
the belt being made by moving the alternator away from
or toward, the engine. The cooling fan is mounted on
the water pump driven pulley. Engine coolant is drawn
(2) Remove the water pump (figure 4-29).
from the bottom of the radiator and into the pump. The
pump forces the coolant through the passages in the
b. Disassembly.
Disassemble the water pump
cylinder block, around the cylinders, through the cylinder
assembly in numerical sequence shown in figure 7-33 as
head passages, through the thermostat housing, and
follows. Discard gaskets and seal.
back into the top of the radiator.
7-33
