Skyjack SJ12 Operating Manual

Section 2 - Familiarization Procedures
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATIONFAMILIARIZATION
2.5 Winching and Towing Procedures
This section provides the operator with the Winching
and Towing procedure, which includes instructions on
how to manually release the brakes.
WARNING
Ensure platform is fully lowered before
winching or towing. Sudden motion could
cause the aerial platform to become
unstable. Death or serious injury could
result.
WARNING
In emergency situations where aerial
platform functions are not available and
lowering is impeded by an obstacle,
utmost care must be taken to move
aerial platform far enough to clear the
obstacle. In such cases, operation must
be extremely smooth with no sudden
movements and must not exceed a speed
of 2”/sec (50 mm/sec).
WARNING
When pushing, winching or towing, do
not exceed 2 mph (3.2 km/h).
WARNING
Do not push, winch or tow aerial platform
onto a slope, or brake the towing vehicle
rapidly. Do not pull aerial platform down
an incline towards a winch.
2.5-1 To Release Brakes Manually
WARNING
Do not manually disengage brakes if the
aerial platform is on a slope.
WARNING
Brakes must be manually disengaged for
pushing, winching or towing.
1
2
Figure 2-8. 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 2).
5. Grasp brake hand pump (item 1) 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.
7. Position aerial platform on a firm and level surface.
WARNING
Brakes must be reengaged immediately
after reaching the desired location.
8. Chock or block wheels to prevent aerial platform
from rolling.
9. Reengage the brake by pulling out the brake auto
reset valve plunger.
FAMILIARIZATIONFAMILIARIZATION
Vertical Mast
Page 31
TM

Skyjack SJ12 Specifications

General

Gradeability	25%
Drive Motor	24V DC
Machine Width	32 in (0.81 m)
Stowed Height	6.5 ft
Overall Width	32 in (0.81 m)
Stowed Height (Rails Folded)	6.5 ft
Drive Speed (Elevated)	0.5 mph (0.8 km/h)
Power Source	Electric