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Section 4 – Inspections Before Operation
1
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
tests.
4.3-1 Do a test of the main power
disconnect switch
1. Turn the main power disconnect switch
the off position.
Result: The MEWP functions do not operate.
▪
2. Turn the main power disconnect switch to the
on position.
213211AAA
50
before you do the function
1
2
3
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. Turn the off/base/platform key switch
base position.
5. Select the start position from the start/function
enable/emergency power switch
engine.
6. Push the emergency-stop button
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.
to
Result: The emergency-stop light continuously
▪
illuminates.
HOUR METER
QUARTZ
TM
.
4
Function tests
4
to the
3
to start the
2
and try to
4
SJ63 AJ+
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