TM 9-4120-408-14
4-23. THERMOSTAT MAINTENANCE. (Continued)
c. Inspect.
CAUTION
Use care when handling thermostat sensor and capillary tube. Damage to thermostat sensor and capillary
tube may result.
(1) Inspect thermostat (12) for damaged or crimped capillary tube.
(2) Inspect thermostat (12) for burns, cracks, and damage.
(3) Inspect thermostat bracket (13) and mounting hardware for damage.
(4) Replace all damaged or defective components.
d. Install.
(1) Position thermostat (12) on thermostat bracket (13) and secure with two flat washers (19), new lock washers (18),
and screws (17).
(2) Refer to tags and connect two electrical leads (16) to thermostat (12) and secure with two screws (15). Remove
and discard tags.
(3) Install EMI shaft seal locking nut (14) in control module housing (9).
CAUTION
Use care when installing thermostat sensor and capillary tube through tube in control module housing.
Damage to thermostat sensor and capillary tube may result.
(4) Install thermostat (12) into control module housing (9). Insert thermostat sensing bulb (7) through tube (8).
(5) Secure thermostat bracket (13) to control module housing (9) using two screws (11).
(6) Install new RFI rotary shaft seal boot (10).
(7) Install thermostat sensing bulb (7) in two cushion clamps (6) and secure to control module housing (9) using two
flat washers (5), new lock washers (4), and screws (3).
(8) Apply adhesive into tube (8).
(9) Install knob (2) on shaft of thermostat (12) and secure with two set screws (1).
(10) Follow on maintenance:
(a) Refer to applicable technical manual and connect power.
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