Figure 2-2. Oil cooler and cover plate--removal/installation.

*TM 9-2815-213-34

curing fan assembly mounting bracket to pump mounting

bracket.

(5) Remove pump assembly mounting bracket.

e. Fan, Fan Hub, and Bracket Assembly (fig.

2-4).

(1) Loosen fan hub shaft and back-off adjusting

screw to relieve belt tension.

(2) Remove belts from crankshaft pulley.

(3) Remove shaft locknut and washer.

(4) Pull fan and hub assembly forward to remove

from bracket. Remove washer from shaft.

(5) Remove six capscrews and lockwashers

securing bracket to engine block.

(6) Remove two capscrews and lockwashers

securing bracket to alternator and hydraulic pump

brackets and remove bracket.

Figure 2-2. Oil cooler and cover plate--

removal/installation.

Figure 2-4. Fan hub and bracket assembly--

removal/installation.

Thermostat Assembly (fig. 2-5).

(1) Loosen clamp securing water pump hose to

thermostat housing.

(2) Remove four capscrews and lockwashers

securing assembly to cylinder head.

(3) Remove thermostat assembly and assembly to

cylinder head gasket.

g. Fan Drive Pulley, Vibration Damper, and Water-

Pump Drive Pulley (fig. 2-6).

(1) Remove seven capscrews and lockwashers

Figure 2-3. Eligible rebuild stand--removal/installation.

securing drive pulley and vibration damper to crankshaft.

(2) Remove pulleys and vibration damper.

(1) Remove capscrew and lockwasher securing belt

h. Water Pump Assembly (fig. 2-7).

tension adjusting arm to pump bracket.

(1) Remove five capscrews and lockwashers

(2) Remove two mounting bolts securing hydraulic

securing water pump assembly to block.

pump and bracket assembly to main mounting bracket,

(2) Remove pump assembly by pulling straight

and remove assembly.

forward so impeller clears block. Remove and discard

(3) Remove three capscrews, lockwashers, and flat

gasket.

washers securing bracket to engine block.

i. Air Intake and Preheater- Assembly (fig. 2-8).

(4) Remove capscrew and lockwasher se-

2-5