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 687 of 764
TM 9-2320-361-34
17-17. PERSONNEL HEATER OVERHEAT SWITCH AND RECEPTACLE REPLACEMENT
THIS TASK COVERS:
a. Overheat Switch Removal
c.
Receptacle Installation
b.
Receptacle Removal
d. Overheat Switch Installation
INITIAL SETUP
APPLICABLE MODELS
MATERIALS/PARTS (Contd)
Al l
Two
screw-assembled lockwashers
TEST EQUIPMENT
(Appendix F, Item 169)
Four screw-assembled lockwashers
Multimeter (Appendix B, Item 3)
(Appendix F, Item 168)
TOOLS
REFERENCES (TM)
General mechanic’s tool kit
TM 9-2320-361-34P
(Appendix B, Item 1)
Tool kit, electrical (Appendix B, Item 2)
MATERIALS/PARTS
Three nut-assembled lockwashers
(Appendix F, Item 154)
EQUIPMENT CONDITION
Personnel heater guard removed (para. 17-11).
NOT E
Tag wires for installation.
a. Overheat Switch Removal
1. Remove nut-assembled
lockwasher (1) and shutoff valve lead
(2)
from overheat switch (5). Discard
nut-assembled lockwasher (1).
2. Remove nut-assembled lockwasher (6), receptacle lead (7), thermostat lead (8), and ignition control
lead (9) from overheat switch (5). Discard nut-assembled lockwasher (6).
3. Remove two screw-assembled lockwashers (4) and overheat switch (5) from heater housing (3).
b. Receptacle Removal
1. Remove screw-assembled lockwasher (11) and restriction solenoid lead (12) from receptacle (25).
Discard screw-assembled lockwasher (11).
2. Remove nut-assembled lockwasher (22) and thermostat lead (21) from overheat switch (20). Discard
nut-assembled lockwasher (22).
3. Remove screw-assembled lockwashers (15) and (16) and leads (17) and (13) from flame detector
switch (23). Discard screw-assembled lockwashers (15) and (16).
4. Remove nut (14) and receptacle ground lead (24) from stud (19).
5. Remove four screw-assembled lockwashers (10) and receptacle (25) from bracket (18). Discard
screw-assembled lockwashers (10).
17-44
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