TM 1-1520-238-23
Change 3 9-221
9.60.
START MODE RELAY PANEL REMOVAL/INSTALLATION – continued
9.60.3. Removal
a. Detach ground wire (1) from start mode relay
panel (2).
(1) Remove screw (3), washer (4), and wire (1).
b. Detach connectors P978 (5) and P977 (6) from
panel (2).
(1) Detach connector P978 (5) from receptacle
(A330)J2 (7). Use socket head key set.
(2) Detach connector P977 (6) from receptacle
(A330)J1 (8). Use socket head key set.
c. Remove relay panel (2) from power distribu-
tion box (9).
(1) Remove four screws (10) and washers (11).
(2) Remove panel (2).
9.60.4. Cleaning
a. Clean start mode relay panel exterior and
mounting area. Use dry cleaning solvent
(item 74, App F) and clean rag.
b. Clean interior of start mode relay panel and
wiring. Spray isopropyl alcohol into panel
through unused relay position 4. Allow isopropyl
alcohol to drain and dry completely before pro-
ceeding. Use isopropyl alcohol (item 106, App F)
and syringe (item 196, App F).
9.60.5. Inspection
a. Check removed and attaching parts for dam-
age (para 9.1).
b. Check wires for wear, cuts, breaks, and dam-
aged terminal lugs (para 9.1).
c. Check connectors for bent pins or damaged
threads (para 9.1).
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