TM 1-1680-320-13&P
0034 00
10/240 LIMIT SWITCH (SW3) CAM 3B
1. Retract cable (position control pendant CABLE UP/DOWN switch to UP) until approximately 15 feet remains
between end of cable and boomhead actuator assembly.
2. Disconnect power.
3. Mark cable 10 feet from end of cable.
4. Apply power (28 vdc).
NOTE
10/240 LIMIT SWITCH (SW3) (4) 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.
5. Retract cable (position control pendant CABLE UP/DOWN switch to UP) until cable mark is aligned with
boomhead actuator assembly.
6. Disconnect power.
7. Adjust SW3 cam 3B (2) by loosening SW3 cam 3B screw (3) and rotate CAM clockwise (as viewed from gear
side), until SW3 cam 3B lobe contacts and activates SW3 limit switch (listen for/feel click). Tighten cam
screw.
8. Apply power (28 vdc).
9. Extend cable (position control pendant CABLE UP/DOWN switch to DOWN) approximately 10 feet.
NOTE
Release control pendant switch immediately upon caution light illumination.
10. Retract cable (position control pendant CABLE UP/DOWN switch to UP) until SW3 activates and caution light
illuminates.
11. Verify that mark on cable is within 6 inches (plus or minus) of boomhead actuator assembly.
12. If cable mark is not within 6 inches (plus or minus) of boomhead actuator assembly; extend cable as
necessary and repeat steps 5-11.
13. Disconnect power.
0034 00-17
