Skyjack SJIII 3220 Service Manual page 26

Function Tests
Back View
Neutral/Raise
Retract Switch
Platform/Off/Base
Toggle Switch
• Test Base Emergency Stop
1. Push in "
attempt to raise or lower the platform.
Result: Platform raising and lowering
functions should not operate.
2. Pull out base "
button.
• Test Off/Platform/Base Switch
Be aware of overhead obstructions
or other possible hazards around the
aerial platform when lifting.
1. Select off/platform/base key switch
" " off position. Attempt to raise or lower
the platform.
Result: Platform raising and lowering
functions should not operate.
2. Select off/platform/base key switch to "
platform position. Attempt to raise or lower
the platform.
Result: Platform raising and lowering
functions should not operate.
SKYJACK, Page 26
Lower/
Switch
Extend/
" emergency stop button and
" emergency stop
WARNING
Section 1 - Scheduled Maintenance
Emergency Stop
Button
3. Select and hold off/platform/base key
switch to "
to raise or lower the platform.
Result: Platform raising and lowering
functions should operate.
• Test Lower/Neutral/Raise Switch
1. Select and hold off/platform/base key
switch to "
" " raise the platform with lower/neutral/
raise switch.
Result: Platform should rise.
2. Select and hold off/platform/base key
switch to "
" " lower the platform with lower/
neutral/raise switch.
Result: Platform should lower.
"
SJIII 3220 SJIII 3226 SJIII 4620 SJIII 4626 SJIII 4632
Free-wheeling
Valve
Platform/Off/
Base Key Switch
" base position. Attempt
" base position and
" base position and
SJIII DC Electric
157935