Skyjack SJ 4620 - Page 30

TM
Page 32 December 2007
SJIII Compacts & Conventionals
Function Tests Section 2 - Operation
Test Base Emergency Stop•
1. Push in base “
” emergency stop
button and attempt to raise or lower the
platform.
Result: Platform raising and lowering
functions should not operate.
2. Pull out base “
” emergency stop
button.
Test Off/Platform/Base Switch•
WARNING
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.
3. Select and hold off/platform/base key
switch to “
” base position. Attempt
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 “
” base position and
“
” raise the platform with lower/neutral/
raise switch.
Result: Platform should rise.
2. Select and hold off/platform/base key
switch to “
” base position and
“
” lower the platform with lower/
neutral/raise switch.
Result: Platform should lower.
Conventional
(Back View)
Compact
(Back View)
Lower/
Neutral/Raise
Switch
Emergency Stop
Button
Lower/
Neutral/Raise
Switch
Free-wheeling
Valve
Emergency Stop
Button
Off/Platform/Base Switch
CAUTION
A106515AC