Skyjack SJIII 4620 Operating Manual page 33

Section 2 - Familiarization
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 "
position.
3. For Left-Side Brake: Using a 3/4" (19 mm)
wrench, rotate the block on the brake pin 90°
clockwise. The brake pin should be clear of the
brake disc.
4. For Right-Side Brake: Using a 3/4" (19 mm)
wrench, rotate the block on the brake pin 90°
counterclockwise. The brake pin should be clear
of the brake disc.
5. 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.
6. Position aerial platform on a firm and level surface.
7. Chock or block wheels to prevent aerial platform
from rolling.
8. Reengage brakes by doing the following steps.
9. F o r L e f t - S i d e B r a k e : U s i n g a 3 / 4 "
(19 mm) wrench, rotate the block on the brake
pin 90° counterclockwise.
10. For Right-Side Brake: Using a 3/4" (19 mm)
wrench, rotate the block on the brake pin 90°
clockwise.
11. Close the free-wheeling valve.
SJIII DC Electric
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
" off
contained in this operating manual and on the aerial platform.
2.5-2b Disc Brakes System
Figure 2-9. 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 "
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.
Procedures
1
2
" off
Page 33