TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-33.1. OVERLOAD SENSOR SWITCHES ADJUSTMENT (M984E1) (CONT).
NOTE
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
If hoist attempts to lift weight and
stops, do steps (5) through (9).
If hoist lifts weight and does not stop,
do steps (12) through (17).
Operate hoist smoothly and slowly
when performing test.
Lower weight.
Loosen nut (6) 1/8 to 1/4 turn. Push
switch B in toward plate (7).
Tighten nut (8).
Repeat steps (4) through (7) until
weight can be lifted.
Loosen nut (8) 1/8 to 1/4 turn and
tighten nut (6). Overload sensor
switch B is adjusted.
Deleted.
Deleted.
Lower weight.
Loosen nut (8) 1/8 to 1/4 turn. Push
switch B away from plate (7).
Tighten nut (6).
Attempt to lift weight. Repeat steps (12)
through (14) until weight cannot be
lifted.
Loosen nut (6) 1/8 to 1/4 turn. Tighten
nut (8). Overload sensor switch B is
adjusted.
Deleted.
17-152.4
Change 3