Rough Terrain Electric Scissors
December 2007 Page 25
Section 2 - Familiarization Function Tests
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.
FAMILIARIZATION
• Test Emergency Lowering
1. Raise the platform.
2. Locate holding valve manual override
knob at the base of each lift cylinder.
Depress and turn counterclockwise. If
necessary, use access rod that is located
on the base of the aerial platform.
3. On motor/hydraulic compartment, pull out
and hold emergency lowering valve to fully
lower the platform.
Result: The platform should lower.
4. To restore normal operation, depress and
turn holding valve manual override knobs
clockwise.
• Test Lowering Warning
1. Raise the platform until approximately a
height of 3 to 4 meters is reached then
attempt to fully lower the platform.
Result: Platform should stop lowering at
a height of 2.5 meters high and an alarm
should sound.
2. Release controller handle, ensure area
around scissor is clear, then continue
lowering the platform.
• Test Free-wheeling
1. Ensure path of intended motion is clear.
2. Release the brake manually (refer to
Section 2.5-2).
3. Turn free-wheeling valve knob counterclockwise
to a fully opened position and attempt to push/
pull the aerial platform.
Result: Aerial platform should move.
4. Turn free-wheeling valve knob clockwise to a
fully closed position for normal operation.
5. Reengage the brake (refer to Section 2.5-2).
2.4-3 Platform Control Console
1. Ensure base “ ” emergency stop button is
pulled out.
2. Ensure main power disconnect switch is in
“ ” on position.
3. Select platform/off/base key switch to “ ”
platform position and remove key.
Brake Hand
Pump
Free-wheeling
Valve
Brake Auto
Reset Valve
Emergency
Lowering
Valve
Lift/Drive/Steer
Controller
Horn Pushbutton
Emergency Stop
Button
Lift/Drive Switch
Lift/Drive/Steer Enable
Trigger Switch
Inclined Drive/Level
Drive Switch
Main Manifold
Rocker Switch
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