TM 5-5420-280-23&P
0049 00
ELECTRICAL CONTROL BOX REPLACEMENT (Contd)
REMOVAL
1. Loosen four screws (8) and open electrical control box cover (7).
NOTE
Tag all electrical wires and leads for installation. Refer to Electrical
System Schematic WP 0122 00.
2.
Remove tiedown straps (39) and disconnect eighty-five electrical leads (14) from buss bars (10) and
winch relay assembly (4) on inside of control box (5). Discard tiedown straps (39).
3.
Loosen nuts (13) and remove forty electrical wires (15) and leads (14) from rubber grommets (16)
and fittings (12) on side of control box (5).
4.
Support control box (5) and remove four locknuts (2), washers (3), screws (6), and control
box (5) from two brackets (1) on pallet (4). Discard locknuts (2).
DISASSEMBLY
NOTE
Tag all electrical connectors and leads for installation.
1.
Disconnect IQAN-XS connector (35) from IQAN-XS receptacle (38).
2.
Disconnect IQAN-XP connector (34) from IQAN-XP receptacle (33).
3.
Disconnect jumper connectors (36) and (32) from CAN 1 receptacle on IQAN-XS (40) and CAN 1
receptacle on IQAN-XP (31).
4.
Disconnect connector (37) from CAN 2 receptacle on IQAN-XS (40).
5.
Disconnect electrical leads from buss bars (10) to IQAN-SX connector (35).
6.
Disconnect electrical leads from buss bars (10) to IQAN-XP connector (34).
7.
Disconnect electrical leads from AD2, AD3, and AD4 winch relays (24).
8.
Remove nut (23), lockwasher (22), screw (21), and winch relay assembly (9) from top IQAN
mounting bracket (25). Discard lockwasher (22).
9.
Remove two screws (19) and three winch relays (24) from relay mounting bracket (20).
10.
Remove four screws (27), washers (26), ground leads, and two IQAN mounting brackets (25) with
IQAN-XS (40) and IQAN-XP (31) attached from backing plate (45) on control box (5).
11.
Remove two screws (28), lockwashers (29), washers (30), and IQAN-XS (40) from two brackets (25).
Discard lockwashers (28).
12.
Remove four screws (28), lockwashers (29), washers (30), and IQAN-XP (31) from two brackets (25).
Discard lockwashers (28).
13.
Disconnect four leads from AD1 relay (47).
14.
Disconnect two leads from 15 AMP circuit breaker (48).
15.
Remove four screws (43), washers (44), four buss bars (10), and spacers (46) attached to slide
plates (52) from backing plate (45).
16.
Remove four screws (55), lockwashers (56), RCU receptacle (57), and gasket (58) from side of control
box (5). Discard gasket (58) and lockwashers (56).
17.
Remove forty fittings (12) and O-rings (11) from side of control box (5). Discard O-rings (11).
18.
Remove six screws (41), washers (42), and backing plate (45) from control box (5).
19.
Disconnect two leads (17) from emergency stop switch (18) on control box cover (7).
20.
If damaged, remove nut (50), lockplate (51), stop switch button (54), and tag (53) from cover (7).
21.
If damaged, remove seal (49) from cover (7) and clean old sealant from groove on cover (7). Discard
seal (49).
0049 00-2
