TM-9-2320-260-34-2
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 2 OF 2
JULY 1994
TM-9-2320-260-34-2 - Page 713 of 863
17-6. ENGINE COOLANT HEATER COMPONENT BRACKET MAINTENANCE
THIS TASK COVERS:
a.
Removal
d. Assembly
b. Disassembly
e. Installation
c. Inspection
lNITIAL SETUP
APPLICABLE MODELS
All
TEST EQUIPMENT
Multimeter (Appendix B, Item 115)
Tools
General mechanic’s tool kit
(Appendix B, Item 1)
Tool kit, electrical (Appendix B, Item 106)
MATERIALS/PARTS
Five screw-assembled lockwashers
(Appendix D, Item 388)
Three screw-assembled lockwashers
(Appendix D, Item 390)
Four screw-assembled lockwashers
(Appendix D, Item 405)
MATERIALS/PARTS (Contd)
Four screw-assembled lockwashers
(Appendix D, Item 392)
Four screw-assembled lockwashers
(Appendix D, Item 394)
Tiedown strap (Appendix C, Item 28)
REFERENCES (TM)
TM 9-2320-260-34P-2
EQUIPMENT CONDITION
Engine coolant heater blower motor removed
(para. 17-4).
NOTE
Tag wires for installation.
a.Removal
1. Remove tiedown strap (4) from wires. Discard tiedown strap (4).
2. Remove two screw-assembled lockwashers (7), and leads (5), (6), and (8) from heater component
bracket (9). Discard screw-assembled lockwashers (7).
3. Remove two leads (11) from restriction thermostat ( 12).
4. Remove grommet (14) and two leads (11) from heater housing (13).
5. Remove three screw-assembled lockwashers (2) and leads ( 1), (3), ( 16), and ( 17) from flame detector
switch (15). Discard screw-assembled lockwashers (2).
6. Remove four screw-assembled lockwashers (10) and heater component bracket (9) from heater
housing (13). Discard screw-assembled lockwashers (10).
b. Disassembly
NOTE
Note direction of arrow
on diode for installation.
1. Remove diode (19) from diode holder (18).
2. Remove screw-assembled lockwashers (23) and (36), resistor leads (22) and (33), and diode lead (35)
from terminal strip (25). Discard screw-assembled lockwashers (23) and (36).
3. Remove screw-assembled lockwasher (21) from diode holder (18) and terminal strip (25). Discard
screw-assembled lockwasher (21).
4. Remove screw (20) and diode holder (18) from heater component bracket (9).
5. Remove four screw-assembled lockwashers (24), terminal strip (25), and spacer (26) from heater
component bracket (9). Discard screw-assembled lockwashers (24).
17-12
TM 9-2320-260-34-2
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