TM 9-2320-272-24-1
Do not drain coolant when engine is hot. Severe bums may result.
Drain three quarts of coolant from oil cooler drain valve (17) into container.
1.
Loosen clamp (5) and remove hose (4) from adapter (8).
2.
3.
Loosen alternator link screw (18).
While supporting alternator (21), remove two screws (19) and washers (20) from brackets (22) and (25)
4.
and move alternator (21) aside.
5.
Remove four screws (23) and bracket (25) from support (14).
6.
Loosen clamp (33) and remove hose (1) from valve (32).
Loosen tube (29) and fittings (2) and (30) from tee (31).
7.
8.
Remove tee (31) from thermostat housing (10).
9.
Remove valve (32) from tee (31).
NOTE
Note the location of long and short screws.
Remove short screw (6), long screw (3), adapter (8), and gasket (9) from thermostat housing (10).
10.
Discard gasket (9).
Loosen clamp (28) and remove hose (26) from housing (10).
11.
12.
Remove two screws (7), housing (10), thermostat (12), and gasket (13) from support (14). Discard
gasket (13).
13.
Remove seal (11) from housing (10). Discard seal (11).
14.
Remove two screws (27), support (14), and gasket (15) from engine block (16). Discard gasket (15).
15.
Remove plug (24) from support (14).
16.
Go to task b for inspection procedures.
NOTE
If support was removed, perform steps 1 and 2.
1.
Install plug (24) in support (14).
2.
Install new gasket (15) and support (14) on engine block (16) with two screws (27).
3.
With housing (10) upside down, install new seal (11), with cupped side down, until seal (11) is
seated.
If seal is damaged, engine failure may result.
4.
Install
thermostat (12) into seal (11) until thermostat (12) seats against housing (10).
5.
Install
new gasket (13) and housing (10) on support (14) with two screws (7).
6.
Install
hose (26) on housing (10) and tighten clamp (28).
7.
Install
new gasket (9) and adapter (8) on housing (10) with long screw (3) and short screw (6).
Ensure that drainvalve on aftercooler is open or cooling system
may overheat.
3-194
