TM 1-1520-238-23
4-226
4.69.
NO. 1 OR NO. 2 ANTI-ICE THERMOSTATIC SWITCH REMOVAL/INSTALLATION – continued
4.69.3. Removal
a. Remove anti-ice temperature switch (2) from
anti-ice tube boss (3).
(1) Detach connector P954 (1) from switch re-
ceptacle (2).
(2) Hold boss (3). Remove switch (2).
(3) Remove and discard packing (4).
4.69.4. Cleaning
a. Clean boss (para 1.47).
4.69.5. Inspection
a. Check boss for cracks and thread damage.
None allowed.
b. Check boss for corrosion (para 1.49).
4.69.6. Installation
a. Install switch (2) in boss (3).
(1) Lubricate new packing (4). Use petrolatum
(item 138, App F).
(2) Install packing (4) on switch (2).
(3) Hold boss (3). Install switch (2).
(4) Attach connector P954 (1) to switch (2).
b. Inspect (QA).
c. Perform engine anti-ice maintenance opera-
tional check (TM 1-1520-238-T).
d. Secure access door LN1 or RN1 (para 2.2).
END OF TASK
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M04-1045-2
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