Skyjack SJIII 3226 Service Manual page 25

Function Tests
Conventional
(Back View)
Platform
Raise/Lower
Switch
Emergency Stop
Button
Test Base Emergency top
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 witch
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.
KYJACK, Page 26
" emergency stop button and
" emergency stop
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ection 1 - cheduled Maintenance
Free-wheeling
Valve
Platform
Raise/Lower
Switch
Platform/Off/Base
Key Switch
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 witch
1. Select and hold off/platform/base key
switch to "
"
raise switch.
Result: Platform should rise.
2. Select and hold off/platform/base key
switch to "
"
neutral/raise switch.
Result: Platform should lower.
"
(Back View)
Emergency Stop
Button
" base position. Attempt
" base position and
" raise the platform with lower/neutral/
" base position and
" lower the platform with lower/
Compact
JIII eries