Skyjack 213217AAA, Operating Manual

Page: 52 / 112

213217AAA SJ85 AJ
52
Section 4 – Pre-operation Function Tests
4.3-8 Testing off/base/platform switch
1. Ensure both emergency stop buttons at base
and platform are pulled out.
2. Start engine.
3. On base control console, turn off/base/platform
key switch to off position.
▪
Result: Engine should shut down and MEWP
functions should not operate.
4. On base control console, turn off/base/platform
key switch to platform position.
WARNING
Ensure that you maintain three points of contact to
mount/dismount platform.
5. Enter platform and close gate/drop bar.
6. Select start position from engine start/on/off
switch until engine starts.
7. Dismount from platform.
8. On base control console, attempt to activate
each boom and platform switch while holding
start/function enable/emergency power switch in
function enable position.
▪
Result: All boom and platform functions
should not operate while holding start/function
enable/emergency power switch in function
enable position.
9. Push in emergency stop button to turn engine
off.
10. Pull out emergency stop button.
4.3-9 Testing positive air shutoff (if
equipped)
CAUTION
This function test should NOT be performed while
the engine is running.
1. Open engine compartment cover.
2. On the base control console, lift switch guard
and push rocker switch to “on” position.
3. Push rocker switch to “off” position. LED light
should continuously illuminate. Walk back to the
engine compartment side of the MEWP.
▪
Result: The shutoff valve should disengage
after 20 seconds (refer to shutoff valve
diagrams).
4. Close engine compartment cover. Ensure switch
is returned to “off” position and switch guard is
down.
Base control console
Shutoff valve
engaged
Shutoff valve
disengaged
Positive air shutoff option
TM
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HOUR METER
QUARTZ
Positive air shutoff
switch