13 Testing Footswitch And All Boom And Platform Functions; 14 Testing Boom Lowering Cutout Switch; 15 Testing Platform Capacity Zone Indicator Lights - Skyjack SJ85 AJ Operating Manual

Section 4 – Pre-operation
Reset button
4.3-13 Testing footswitch and all boom
and platform functions
1. Ensure emergency stop button is pulled out.
2. Ensure engine start/on/off switch is in
on position.
3. Do not start engine.
4. Select generator on/off switch to off position (if
equipped).
5. Depress and hold footswitch and attempt to start
engine by selecting start position from engine
start/on/off switch..
Result: Engine should not start.
▪
6. Without depressing footswitch, try to start
engine.
Result: Engine should start.
▪
7. With engine running and without depressing
footswitch, test each boom and platform
function.
Result: MEWP functions should not operate.
▪
NOTE
A 7-second anti-tiedown feature deactivates
footswitch when operator depresses it for 7
seconds without activating any function.
8. With engine running, depress and hold
footswitch and test all boom and platform
functions.
Result: All MEWP functions should operate.
▪
213217AAA
54
High capacity zone indicator light
Low capacity zone
indicator light
Emergency stop
TM
1
+
+
2
Capacity zone
border light
4.3-14 Testing boom lowering cutout
switch
1. With engine running, depress and hold
footswitch and raise main boom 0.6 m
(2 ft).
2. Fully lower main boom and continue to
command lowering for 5 seconds.
Result: Main boom should fully lower, riser
▪
should not raise, and there should be an
audible sound when the pump disengages.
4.3-15 Testing platform capacity zone
indicator lights
NOTE
To perform this function test, ensure there is
sufficient space to fully raise and extend boom.
NOTE
Ensure boom is in stowed position to begin this
function test.
1. Push in emergency stop button.
2. Pull out emergency stop button.
Result: Capacity zone border light should
▪
illuminate for 1 second and then turn off. High
capacity zone indicator light should illuminate.
3. Start engine.
4. Depress and hold footswitch and extend
boom until high capacity zone indicator light
turns off.
Result: Low capacity zone indicator light
▪
should illuminate.
Function Tests
Emergency power switch
SJ85 AJ