213201ACA SJ40 T+, SJ45 T+, SJ61 T+, SJ66 T+
54
Section 4 – Inspections Before Operation Function tests
4.3-7 Do a test of the off/base/platform
switch
1. Make sure the emergency-stop buttons at the
base and platform are pulled out.
2. Start the engine.
3. On the base control console, turn the off/base/
platform key switch
3
to the off position.
▪
Result: The engine stops and the MEWP
functions do not operate.
4. On the base control console, turn the off/base/
platform key switch to the platform position.
WARNING
Fall hazard. Use the three points of contact
principle when you enter or exit the platform. If
you do not obey, there is a risk of death or serious
injury.
5. Enter the platform and close the gate or drop
bar.
6. Select the start position from the engine start/
on/off switch until the engine starts.
7. Exit the platform.
8. On the base control console, try to operate each
boom and platform switch while you hold the
start/function enable/emergency power switch
in the function enable position.
▪
Result: All the boom and platform functions
do not operate.
9. Push the emergency-stop button to turn the
engine off.
10. Pull the emergency-stop button.
4.3-8 Do a test of the positive air shut-off
switch (optional equipment)
CAUTION
Do not do this function test while the engine is on.
1. Open the engine compartment cover.
2. Lift the switch guard for the positive air shut-off
on the engine control console.
3. Move the positive air shut-off switch
9
to the
on position to engage the shut-off valve
11
.
4. Move the positive air shut-off switch to the off
position to disengage the shut-off valve
12
. The
light
10
continuously illuminates.
▪
Result: The shut-off valve disengages after 20
seconds.
5. Make sure the positive air shut-off switch is
put back to the off position, and that the switch
guard is down. Close the engine compartment
cowling.
Positive air shut-off option
HOUR METER
QUARTZ
9
2
3
10
11 12
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