TM-9-2320-279-34-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 1 OF 3

TM-9-2320-279-34-1 - Page 291 of 709

TM 9-2320-279-34- 1

Electrical System Maintenance Instructions (Cont)

6-12. CRANE OVERLOAD SENSOR SWITCHES REMOVAL/INSTALLATION (M977, M985 )

(CONT).

(3)

(4)

Figure 6-1. Main Overload Switch Wiring.

Tighten nut (6) and jamnut (7) until one screw

thread is below surface of nut (6).

Adjust nut (8) and jamnut (9) until main

overload switch (1) is 1/4 in. (6 mm) from switch

sensing plate (10),

c. Reduced Overload Switch Remova l

(M977 only) .

NOT E

Tag and mark wires before removal.

(1)

Disconnect three wires (1) at

connectors (2).

NOT E

Remove clips and plastic cable ties.

(2)

Remove nut (3) and overload switch (4)

from mounting bracket (5).

6-66