TM 5-5420-280-23&P
0115 00
ENGINE ELECTRICAL CONTROL BOX, SWITCH, AND INDICATORS REPLACEMENT (Contd)
REMOVAL
1.
Loosen four screws (13) and remove control box cover (12) from control box housing (11).
NOTE
Tag all electrical leads for installation.
2.
Disconnect relay plug (22) from relay (19) and remove electrical leads from relay plug (22).
3.
Remove screw (21), washer (20), and relay (19) from control box housing (11).
4.
Remove screw (25), washer (24) and two ground leads (23) from control box housing (11).
5.
Disconnect electrical leads (28) from engine pre-heater switch (27).
6.
Disconnect electrical leads (29) and (30) from engine oil pressure and engine temperature
indicators (35).
7.
Disconnect all electrical leads (28) from engine starter switch (32).
8.
Loosen nuts (3) and (7) on connectors (5) and (9) and remove harnesses (1) and (2) with electrical
leads from control box housing (11) and connectors (5) and (9).
9.
Remove lamp covers (37) and lamps (36) from battery and oil pressure indicators (35).
10.
Remove nuts (31) and indicators (35) from control box housing (11).
11.
Remove cap (38), nut (26), and engine pre-heater switch (27) from control box housing (11).
12.
Remove nut (34), washer (33), and engine starter switch (32) from control box housing (11).
13.
Remove nuts (3) and (7), grommets (4) and (8), connectors (5) and (9), and O-rings (6) and (10) from
control box housing (11), Discard O-rings (6) and (10).
14.
Remove two locknuts (17), washers (16), screws (14), and control box housing (11) from bracket (18)
on pallet frame (15). Discard locknuts (17).
0115 00-2
