Skyjack SJ 4620 - 2.14 Winching and Towing Procedures

SJIII Compacts & Conventionals
December 2007 Page 49
TM
Section 2 - Operation Winching and Towing Procedures
2.14-2 To Release Brakes Manually
WARNING
Do not manually disengage brakes if the
aerial platform is on a slope.
2
1
Figure 2-22. Brakes
WARNING
Brakes must be manually disengaged for
pushing, winching or towing.
1. Ensure aerial platform is on level ground. Chock
or block wheels to keep aerial platform from
rolling.
2. Turn main power disconnect switch to “ ” off
position.
3. Locate the brake manifold at the rear of the
base.
4. Push in brake auto reset valve plunger (item 1).
5. Grasp brake hand pump (item 2) and rapidly
depress until firm resistance is felt. The brakes
are now released.
6. Remove wheel chocks or blocks, then push, winch
or tow aerial platform to desired location.
WARNING
Brakes must be reengaged immediately
after reaching the desired location.
7. Position aerial platform on a firm and level
surface.
8. Chock or block wheels to prevent aerial platform
from rolling.
9. Reengage the brake by pulling out the brake auto
reset valve plunger.
10. Close the free-wheeling valve.