TM 9-2320-273-20
SENDING UNITS, SWITCHING DEVICES, AND WINTERIZATION KIT.
5-90. WINTERIZATION KIT ENGINE COOLANT HEATER MAINTENANCE (Continued).
LOCATION/lTEM
ACTION
REMARKS
NOTE
The thermostat (18) cannot be replaced
separate of the heater.
13. Bracket (10).
Assemble to support (31) and
secure with bolt (32), lock-
washer (9) and nut (8).
14. Heater (23) and thermo-
Mount to support (31) with
stat (12).
two screws (29), nuts (34)
and Iockwashers (33).
15. Wire assembly (22).
Reroute, if removed.
16. Three harness clamps
a. Install harness clamps (13)
(13), (14), and (39).
and (14) and secure with
two nuts (12), bolts (32)
and Iockwashers (11).
b. Install harness clamp (39)
and secure with nut (37),
bolt (40) and Iockwasher
(38).
17. Wire assembly (22), cable
Install on thermostat (18).
grip (15), washer (16) and
locknut (17).
18. Elbow (28), two nipples
(24) and (27), tee (26),
a. Coat threads with liquid teflon.
b. Install on forward port on
and draincock (25).
bottom of heater (23).
19. Two nipples (41), valve
(36), elbow (42), and
a. Coat threads with liquid teflon.
b. Install on engine block.
adapter (35).
29. Hose (6).
a. Install two hose clamps (5).
b. Fit ends on adapters (30)
and (35).
c. Tighten hose clamps (5).
21. Bushing (19).
a. Coat threads with liquid teflon.
b. Install in rear port of heater
(23).
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