TM 5-5420-280-23&P
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WINCH ROPE LOOP SENSOR AND FORCE TRANSMITTER REPLACEMENT (Contd)
NOTE
It may be necessary to remove sensor holder bracket from winch
assembly to adjust rope loop sensor.
ADJUSTMENT
1. Adjust rope loop sensor (2) in until end of loop sensor (2) is flush with inside of sensor holder
bracket (4) and then back out loop sensor (2) counterclockwise one-half turn. This will adjust
sensor (2) back inside bracket (4) 0.0200.039 in. (0.52 mm).
2. Power up bridge pallet. Refer to TM 5-5420-280-10.
NOTE
Metal feeler guage will not be used to adjust sensor.
3. Check that LED light (6) is lit on sensor (2), if so, place plastic side of electrical insulation sheet
between wire rope (5) and sensor (2). If light goes out, sensor (2) is operating properly.
4. If LED light (6) is not lit on sensor (2), check for power at electrical connector (1) and check
adjustment. If necessary, repair electrical connector (1) or adjust sensor (2).
4
3
2
5
1
0.020 0.039 in.
LED LIGHT
6
(0.5 1 mm)
APPROXIMATELY
ONE-HALF TURN
COUNTERCLOCKWISE
PAINTED SIDE
IS METAL
ELECTRICAL
INSULATION SHEET
END OF WORK PACKAGE
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