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21-11. ENGINE AFES ELECTRICAL RELAYS REPLACEMENT (continued).
21.
22.
23.
24.
25.
26.
27.
28.
b.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Remove two nuts (37 and two Iockwashers (38) from terminals (C-1 and C-2) (39 and 40). Discard
Iockwashers.
Remove two leads (159 D (41).
Remove two washers (42).
Remove one nut (43) and one Iockwasher (44) from terminal (X-1) (45). Discard Iockwasher.
Remove lead (GND) (46) and washer (47).
Remove one nut (48) and one Iockwasher (49) from terminal (X-2) (50). Discard Iockwasher.
Remove lead (159) (51 ) and washer (52).
Remove four screws (53), four Iockwashers (54) and lower relay (31). Discard Iockwashers.
INSTALLATION
Install lower relay (31) on mounting pad (9) with four new Iockwashers (54) and lower relay (31).
Install washer (52) and lead (159) (51 ) on terminal (X-2) (50) and secure with one new Iockwasher (49) and
one nut (48).
Install washer (47) and lead (G ND) (46) on terminal (X-1) (45) and secure with one new Iockwasher (44) and
one nut (43).
Install two washers (42) and two leads (159 D) (41) on terminals (C-1 and C-2) (39 and 40) and secure with
two new Iockwashers (38) and two nuts (37).
Install terminal protective cover (36).
Install four washers (35) to lower relay (31).
Install lead (159 A) (34) to lower relay (31).
Install lead (159 B) (33) to lower rely (31)..
Install two leads (159 A-2) (32) to lower relay (31).
Secure leads (32-34) with four new Iockwashers (30) and four nuts (29) to lower relay (31).
21-44
TM 9-2350-287-20-2
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