TM 9-2320-260-34-2
17-18. PERSONNEL HEATER IGNITER AND IGNITION CONTROL UNIT REPLACEMENT
THIS TASK COVER:
c. Ignition Control Unit Installation
a. Igniter Removal
b. Ignition Control Unit Removal
d. Igniter Installation
INITIAL SETUP
APPLICABLE MODELS
MATERIALS/PARTS (Contd)
All
Screw-assembled lockwasher
TEST EQUIPMENT
Nut-assembled lockwasher (Appendix D, Item 262)
Multimeter (Appendix B, Item 115)
Five screw-assembled lockwashers
TOOLS
Lockwasher (Appendix D, Item 214)
General mechanic's tool kit
REFERENCES (TM)
(Appendix B, Item 1)
Tool kit, electrical (Appendix B, Item 106)
TM 9-2320-260-34P-2
MATERIALS/PARTS
EQUIPMENT CONDITION
Nut-assembled lockwasher
Personnel heater blower motor removed
Igniter (Appendix D, Item 159)
a Igniter Removal
NOTE
Removal of the igniter is basically the same for early and late
model heaters. This procedure covers the early model heater.
Tag all wires for installation.
1. Remove nut-assembled lockwasher (1), receptacle ground lead (8), ground strap (6), and
lockwasher (7) from ignition control unit (3). Discard nut-assembled lockwasher (1).
2. Disconnect igniter leads (2) and (5) from ignition control unit(3) and igniter hatch cover (4).
3. Release two fly screws (9) and remove igniter hatch cover (4) from heater housing (10).
CAUTION
Igniter is fragile. Use care when removing igniter. Failure to do so
may result in damage to equipment
4. Press and turn igniter (13) one-fourth turn left and remove from igniter tube (12). Discard
igniter (13).
5. Remove screw-assembled lockwasher (11) and igniter tube (12) from heater housing (10). Discard
screw-assembled lockwasher (11).
b. Ignition Control Unit Removal
NOTE
Perform steps 1 through 4 for early model heaters.
1. Remove igniter (13) (task a.).
2. Remove nut-assembled lockwasher (18), thermostat lead (15), receptacle lead (14), and ignition
control lead (17) from overheat switch (16). Discard nut-assembled lockwasher (18).
3. Remove two screw-assembled lockwashers (19) and ignition control leads (20) from flame detector
switch (23). Discard screw-assembled lockwashers (19).
4. Remove three screw-assembled lockwashers (21), ignition control unit (3), and lockwasher (22)
from heater housing (10). Discard lockwasher (22) and screw-assembled lockwashers (21).
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