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Section 4 – Pre-operation
Emergency power switch
Reset
button
4.3-16 Testing emergency power
CAUTION
When operating on emergency power, do not
operate more than one function at a time to avoid
overloading 24-Volt emergency pump motor. Do
not use emergency power unit continuously for
more than two minutes.
NOTE
To conserve battery power, test each function
through a partial cycle.
1. Depress and hold footswitch.
2. Turn emergency power switch to on position and
activate each function control handle or switch.
Result: All boom functions should operate,
▪
except drive/steer functions.
NOTE
The emergency power unit has two-minute duty
cycle.
4.3-17 Testing horn
1. Push horn pushbutton.
Result: Horn should sound.
▪
213213AAA
54
Platform leveling override switch
Horn
1
3
4.3-18 Testing brakes
WARNING
Brakes will engage instantly when you release
footswitch, causing MEWP to stop immediately.
1. Move MEWP to a firm, level surface to ensure
similar traction on left and right hand side tires.
2. Ensure boom is in stowed position and the steer
wheels are facing straight ahead.
3. Depress and hold footswitch and drive MEWP
forward.
4. Remove your foot from footswitch.
Result: MEWP should come to an abrupt
▪
stop. If MEWP does not stop immediately, or if
MEWP pulls to one side while stopping, do not
operate MEWP until brake adjustments have
been checked.
5. Repeat steps 3 and 4 for driving in reverse.
4.3-19 Testing manual platform leveling
1. Depress and hold footswitch.
2. On platform leveling override switch, select up
position to tilt platform up or down position to tilt
platform down.
Result: Platform should tilt up or down.
▪
Function Tests
Emergency stop
TM
Drive/Steer
2
controller
4
SJ30 AJE SJ30 ARJE
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