TM 9-2320-260-34-2
17-6. ENGINE COOLANT HEATER COMPONENT BRACKET MAINTENANCE
THIS TASK COVERS:
d. Assembly
a. Removal
e. Installation
b. Disassembly
c. Inspection
lNITIAL SETUP
MATERIALS/PARTS (Contd)
APPLICABLE MODELS
Four screw-assembled lockwashers
All
TEST EQUIPMENT
Four screw-assembled lockwashers
Multimeter (Appendix B, Item 115)
Tiedown strap (Appendix C, Item 28)
Tools
REFERENCES (TM)
General mechanic's tool kit
(Appendix B, Item 1)
TM 9-2320-260-34P-2
Tool kit, electrical (Appendix B, Item 106)
EQUIPMENT CONDITION
MATERIALS/PARTS
Engine coolant heater blower motor removed
Five screw-assembled lockwashers
Three screw-assembled lockwashers
Four screw-assembled lockwashers
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
