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TM 10-4320-342-24
2-56. ENGINE THERMOCOUPLE REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Tools
Equipment Condition
General Mechanics Tool Kit (App B, Sect III,
200/600 GPM pump assembly shut down
Item 1)
(Para 2-7c, TM 10-4320-342-10)
Torque Wrench: 0-200 inch-pounds (App B,
Sect III, Item 2)
Material/Parts
Gasket (App F, Item 25)
Tag (App E, Item 16)
a. REMOVAL. Refer to Figure 2-83.
(1)
Open door (1).
NOTE
Note position of wire leads on thermocouple prior to removal.
(2)
Tag wire leads (2 and 3). Remove nuts (4) and remove wire leads (2 and 3) from thermocouple (5).
(3)
Remove nuts (6), bolts (7) and ground wire lead (8) from thermocouple (5).
(4)
Remove thermocouple (5) and gasket (9) from combustor case (10). Discard gasket.
b. INSTALLATION.
(1)
Install thermocouple (5) and gasket (9) on combustor case (10) with the large stud facing towards exhaust
opening on combustor case.
(2)
Position ground wire lead (8) on thermocouple as noted during removal and install bolts (7) and nuts (6). Torque
to 40 inch-pounds.
(3)
Install wire leads (2 and 3) on thermocouple (5) as noted during removal and secure with nuts (4) Torque to 40
inch-pounds.
2-197
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