Skyjack SJ46 AJ, Operation Manual

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213210AAAA SJ46 AJ, SJ51 AJ, SJ63 AJ
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Section 4 – Inspections Before Operation Function tests
4.3 Function tests
Do the function tests in sequence.
WARNING
Do not operate a MEWP that does not function
correctly. Lock and tag the MEWP, and remove it
for servicing. Only a qualified service technician
must repair the MEWP. If you do not obey, there is
a risk of death or serious injury.
NOTE
To do these function tests, make sure there is
sufficient space to fully raise and extend the
boom.
NOTE
The motion alarm makes a sound while you
operate a boom or drive function.
Be sure to read Section 5 before you do the function
tests.
4.3-1 Do a test of the main power
disconnect switch
1. Turn the main power disconnect switch
1
to
the off position.
▪
Result: The MEWP functions do not operate.
2. Turn the main power disconnect switch to the
on position.
NOTE
Close all cowlings before you continue on to the
next test.
4.3-2 Do a test of the base keyswitch and
the emergency-stop button and
light
1. On the platform control console, pull the
emergency-stop button.
2. On the base control console, pull the
emergency-stop button
4
.
3. Turn the base/off/platform key switch
3
to the
base position.
4. Select the start position from the start/function
enable/emergency power switch
2
to start the
engine.
5. Push the emergency-stop button
4
and try to
operate a MEWP function.
▪
Result: The engine stops, and the MEWP
functions do not operate.
6. Pull the emergency-stop button and restart the
engine.
▪
Result: The emergency-stop light continuously
illuminates.
3
2
4
1