TM 1-1520-238-23
8-112
Change 3
8.42.
PILOT MAGNETIC COMPASS REMOVAL/INSTALLATION – continued
c. Remove magnetic compass (1) from mount-
ing bracket (2).
(1) Remove four screws (3) and nuts (4).
(2) Pull compass (1) from bracket (2).
(3) Detach connector P122 (5) from receptacle
(M23)J1 (6).
8.42.4. Cleaning
a. Wipe bracket and compass with a clean rag.
8.42.5. Inspection
a. Check compass and bracket for cracks, nicks,
and dents (para 8.41).
b. Check screw holes of compass and bracket
for stripped or damaged threads (para 8.41).
8.42.6. Installation
a. Install compass (1) in bracket (2).
(1) Attach connector P122 (5) to receptacle
(M23)J1 (6).
(2) Aline face of compass (1) with screw holes of
bracket (2).
(3) Install four screws (3) and nuts (4).
b. Inspect (QA).
c. Perform flight instruments maintenance op-
erational check (TM 1-1520-238-T).
d. Perform magnetic compass compensation if
necessary (TM 1-1500-204-23).
END OF TASK
3
1
2
4
M04-183-3
6
5
M04-183-4
6
1
5
M04-183-5
3
1
2
4
M04-183-6
A
