TM 1-1680-320-13&P
0034 00
10/240 LIMIT SWITCH (SW3) CAM 3A
1. Mark cable 10 feet from boomhead actuator assembly.
2. Apply power (28 vdc).
NOTE
10/240 LIMIT SWITCH (SW3) (3) activated by Cams 3A and 3B (1 and 2)
Illuminates 10/240 caution light and reduces cable travel speed to 75 fpm. Switch
activation occurs when cable is extended to approximately 240 feet and when
retracted to approximately 10 feet.
3. Retract cable (position control pendant CABLE UP/DOWN switch to UP) until cable mark is visible on drum
from top of winch.
4. Extend cable (position control pendant CABLE UP/DOWN switch to DOWN) until step 1 cable mark is aligned
with boomhead actuator assembly.
5. Disconnect power.
6. Adjust SW3 cam 3A (1) by loosening SW3 cam 3A screw (4) and rotate CAM counter clockwise (as viewed
from gear side), until SW3 cam 3A (1) lobe contacts and activates SW3 limit switch (listen for/feel click).
Tighten cam screw.
7. Apply power (28 vdc).
8. Retract cable (position control pendant CABLE UP/DOWN switch to UP) approximately 5 wraps.
NOTE
Release control pendant switch immediately upon caution light illumination.
9. Extend cable (position control pendant CABLE UP/DOWN switch to DOWN) until SW3 activates and caution
light illuminates.
10. Verify that mark on cable is within 6 inches (plus or minus) of boomhead actuator assembly.
11. If cable mark is not within 6 inches (plus or minus) of boomhead actuator assembly; extend cable as
necessary and repeat steps 3-10.
0034 00-16