19 Testing Manual Platform Leveling; 20 Testing Steering; 21 Testing Driving Function; 22 Testing Brakes - Skyjack SJ85 AJ Operating Manual

Function Tests
Engine start/on/off switch
Reset
button

4.3-19 Testing manual platform leveling

1. Start engine.
2. Depress and hold footswitch.
3. 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.
▪

4.3-20 Testing steering

1. Pull out emergency stop button.
2. Start engine by selecting start position from
engine start/on/off switch.
3. Depress and hold footswitch.
4. Press rocker switch on top of drive/steer
controller to left and right.
Result: Steer wheels should turn left and right.
▪
5. Return wheels to parallel position before
proceeding.

4.3-21 Testing driving function

1. Ensure path of intended motion is clear.
2. Ensure boom is in stowed position and fly boom
fully retracted.
3. Depress and hold footswitch.
4. Slowly move drive/steer controller in forward or
reverse direction until MEWP begins to move,
and then return handle to center position.
Result: MEWP should move in forward or
▪
reverse direction, and then come to a stop.
SJ85 AJ
Horn Emergency stop
TM
1
+
+
2
Platform leveling
override switch

4.3-22 Testing brakes

WARNING
Brakes will engage instantly when you release
footswitch, causing MEWP to stop immediately.
1. Start engine.
2. Move MEWP to a firm, level surface to ensure
similar traction on left and right.
3. Ensure boom is in stowed position.
4. Depress and hold footswitch and drive MEWP
first forward then reverse at full speed.
5. 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.
Section 4 – Pre-operation
Emergency power switch
Drive/Steer
controller
213217AAA
57