TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 653 of 764
TM 9-2320-361-34
I
17-5. ENGINE COOLANT HEATER COMPONENT BRACKET MAINTENANCE
THIS TASK COVERS:
a. Removal
d. Assembly
b.
Disassembly
e. Installation
c. Inspection
INITIAL SETUP
APPLICABLE MODELS
All
TEST EQUIPMENT
Multimeter (Appendix B, Item 3)
MATERIALS/PARTS
Tiedown
strap (Appendix
C,
Item 15)
REFERENCES (TM]
TM 9-2320-361-34P
TOOLS
EQUIPMENT CONDITION
General mechanic’s tool kit
Engine coolant heater blower motor removed
(Appendix B, Item 1)
(para. 17-3).
Tool kit, electrical (Appendix B, Item 2)
NOTE
a. Removal
Tag wires for installation.
1. Remove tiedown strap (1) from wires. Discard tiedown strap (1).
2. Remove two screw-assembled lockwashers (4), and leads (2), (3), and (5) from heater component
bracket (6).
3. Remove leads (8) and (3) from restriction thermostat (9).
4. Remove grommet (11) from leads (3) and (8) and heater housing (10).
5. Remove three screw-assembled lockwashers (16) and leads (13), (14), (15), and (17) from flame
detector switch (12).
6. Remove four screws (7) and heater component bracket (6) from heater housing (10).
NOTE
Note direction of arrow on diode for installation.
1.
2.
3.
4.
5.
6.
7.
8.
17-10
Remove diode (23) from diode holder (22).
Remove screw-assembled lockwashers (20) and (26), resistor leads (19) and (27), and diode lead
(21)
from terminal strip (29).
Remove screw-assembled lockwasher (25) from diode holder (22) and terminal strip (29).
Remove screw (24) and diode holder (22) from heater component bracket (31).
Remove four screw-assembled lockwashers (28), terminal strip (29), and plate (30) from heater
component bracket (31).
Remove nut-assembled lockwasher (34), screw (37), and resistor (18) from resistor holder (35).
Remove four screw-assembled lockwashers (36) and receptacle (33) from heater component
bracket (31).
Remove nut-assembled lockwasher (32) and resistor holder (35) from heater component
bracket (31).
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