Skyjack SJIII 3220 Service Manual page 31

Section 1 - Scheduled Maintenance
• Test Platform Raising/Lowering
Be aware of overhead obstructions
or other possible hazards around the
aerial platform when lifting.
1. Select lift/off/drive switch to "
position.
2. Activate and hold "
switch.
3. Push controller handle and raise the
platform to an approximate height of
0.5 meter (1.6 feet).
Result: Platform should rise.
4. Pull controller handle and lower the
platform fully.
Result: Platform should lower.
• Test Horn
1. Push " " horn pushbutton.
Result: Horn should sound.
SJIII DC Electric
SJIII 3220 SJIII 3226 SJIII 4620 SJIII 4626 SJIII 4632
157935
WARNING
" lift
" enable trigger
Pothole Protection
Device
• 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
3.75 cm (1.5 inches), under the hydraulic/
electric tray.
2. Use the ladder of aerial platform to access
platform.
3. Close the gate.
4. Raise the platform until approximately a
height of 2 meters (7 feet) is reached and
attempt to drive forward or reverse.
Result: Aerial platform should not move
forward or backward.
5. Repeat the steps above with block placed
under battery tray.
Result: Aerial platform should not move
forward or backward.
Function Tests
SKYJACK, Page 31