Skyjack SJIII 4740, Operating Manual

Page: 30 / 94

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.
• Test Platform Raising/Lowering
WARNING
Be aware of overhead obstructions
or other possible hazards around the
MEWP when lifting.
1. Select lift/off/drive switch to “ ” lift
position.
2. Activate and hold “ ” enable trigger
switch.
3. Push controller handle and raise the
platform to an approximate height of 1 ft.
(30.5 cm).
Result: Platform should rise.
4. Pull controller handle and lower the
platform fully.
Result: Platform should lower.
• Test Horn
1. Push “ ” horn push button.
Result: Horn should sound.
• Test Pothole Sensor
WARNING
Ensure that you maintain three points
of contact to mount/dismount platform.
1. Use the ladder to dismount from platform
and place a block, approximately 1.5”
(3.75 cm), under the hydraulic/electric
tray.
2. Use the ladder of MEWP to access
platform.
3. Close the gate.
4. Raise the platform until approximately a
height of 7 feet (2 meters) is reached and
attempt to drive forward or reverse.
Result: MEWP should not move forward
or backward.
F
AMILIARIZA
TION
Platform Control Console
Lift/Drive/Steer Enable
Trigger Switch
Inclined Drive/Level Drive
Switch
Lift/Off/Drive Switch
Horn Pushbutton
Emergency Stop Button/
Operation Light
Controller
Rocker Switch
Page 30
SJIII 4740
Function Tests Section 2 - Familiarization