Page 48 December 2007
SJIII Compacts & Conventionals
Winching and Towing Procedures Section 2 - Operation
2.14 Winching and Towing Procedures
This section provides the operator with procedures
about towing and winching and 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 50 mm/sec.
WARNING
When pushing, winching or towing, do
not exceed 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.
2.14-1 To Release Free-wheeling Valve
1. Ensure aerial platform is on level ground. Chock
or block the wheels to keep aerial platform from
rolling.
1
Figure 2-21. Free-wheeling Valve
2. Free-wheeling Valve - Turning valve knob
counterclockwise (item 1) to a fully opened
position allows fluid to flow through the wheel
motors, thus providing “free-wheeling.”
WARNING
The free-wheeling valve must be closed
tightly (clockwise) for normal operation.
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