Section V. COOLANT SYSTEM
(1) Drain the coolant
system.
111. Description and Function
(2) Remove the top and rear housing panels
(para 99 ).
a
a. All component repair of the coolant system,
except radiator and water pump repair, is covered in
(3) Loosen the radiator hose clamps (1 and 9,
chapter 3.
fig. 32). Disconnect the radiator hoses
b. The radiator consists of a series of tubes through
from the radiator. Disconnect the hose
assembly
(17)
from
the
radiator.
which the coolant is circulated. Fins are attached to the
Disconnect the oil inlet and oil outlet piping
tubes to give a more extended surface through which
from the radiator (fig. 37).
heat can be dissipated. For most effective use, these
(4) Remove the screws, nuts, and lockwashers
fins must be kept clean and free from accumulated dirt.
that secure the radiator mounts (fig. 45) to
c. The water pump is a centrifugal-type water pump
the front engine mounts (3); remove the
of standard design.
It is driven from the engine
radiator. Remove the liners between the
crankshaft by the fan and generator belt. The water
radiator and radiator mounts.
pump circulates coolant through the engine and radiator.
112. Radiator Repair
a: Removal.
Figure 65. W ater pump, exploded view.
TAGO 6358-A
69
