TM 9-2320-260-34-2
17-20. PERSONNEL HEATER BLOWER MOTOR REPLACEMENT
THIS TASK COVERS:
b. Blower Motor Installation
a. Blower Motor Removal
INITIAL SETUP
MATERIALS/PARTS
APPLICABLE MODELS
Screw-assembled lockwasher (Appendix D, Item 402)
All
Nut-assembled lockwasher (Appendix D, Item 262)
TEST EQUIPMENT
REFERENCES (TM)
Multimeter (Appendix B, Item 115)
TM 9-2320-260-20
TOOLS
TM 9-2320-260-34P-2
General mechanic's tool kit
EQUIPMENT CONDITION
(Appendix B, Item 1)
Personnel heater removed (TM 9-2320-260-20).
Tool kit, electrical (Appendix B, Item 106)
a. Blower Motor Removal
NOTE
Personnel heater guard and blower motor are replaced basically
q
the same for early and late model heaters. This procedure is for
the early model heaters.
q Tag all wires for installation.
1. Release two dzus fasteners (10) and remove guard (1) from heater housing (7).
2. Remove screw-assembled lockwashers (2) and blower motor lead (3) from flame detector switch (4).
Discard screw-assembled lockwashers (2).
3. Remove nut-assembled lockwasher (9) and screw (5) from clamp (6) and ignition control unit (8).
Discard nut-assembled lockwasher (9).
4. Remove grommet (11) from heater housing (7).
5. Loosen four screw-assembled lockwashers (12) and remove blower motor (13) from heater housing (7).
b. Blower Motor Installation
1. Route blower motor lead (3) through heater housing (7) and install blower motor (13) on heater
housing (7). Tighten four screw-assembled lockwashers (12).
2. Place grommet (11) around blower motor lead (3) and install on heater housing (7).
3. Install blower motor lead (3) on flame detector switch (4) with new screw-assembled
Iockwashers (2).
4. Install clamp (6) on ignition control unit (8) with screw (5) and new nut-assembled lockwasher (9).
5. Position guard (1) on heater housing (7) and hold in place with two dzus fasteners (10).
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