238264AAA
SJ45 AJ+, SJ60 AJ+
50
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.
For dual fuel engines, move the
fuel switch
to the gasoline position or liquid propane gas
position to select the fuel type.
3.
On the base control console, pull the
emergency-stop
button
4
.
4.
Turn the
off/base/platform key
switch
3
to the
base position.
5.
Select the start position from the start/function
enable/emergency power switch
2
to start the
engine.
6.
Push the
emergency-stop
button
4
and try to
operate a MEWP function.
▪
Result:
The engine stops, and the MEWP
functions do not operate.
7.
Pull the
emergency-stop
button and restart the
engine.
▪
Result:
The emergency-stop light continuously
illuminates.
12.5 m/s (28 mph)
TM
2
3
4
1
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