23 Testing Driving Speed; 24 Testing Horn; 25 Testing Differential Lock Switch - Skyjack SJ85 AJ Operating Manual

Section 4 – Pre-operation
Engine start/on/off switch
Reset
button

4.3-23 Testing driving speed

1. Depress and hold footswitch.
2. Raise main boom approximately 4 m
(14 ft) and then slowly move drive/steer
controller to full drive position.
Result: The maximum achievable drive speed
▪
should be significantly less than Lowered
Travel Position drive speed.
3. Lower boom to stowed position.
4. Extend fly boom approximately 30 cm
(12 in) and then slowly move drive/steer
controller to full drive position.
Result: The maximum achievable drive speed
▪
should be significantly less than Lowered
Travel Position drive speed.
5. Fully retract fly boom.

4.3-24 Testing horn

1. Push horn pushbutton.
Result: Horn should sound.
▪
213217AAA
58
Horn Emergency stop
TM
1
+
+
2
Platform leveling
override switch

4.3-25 Testing differential lock switch

WARNING
Before engaging differential lock, ensure drive/
steer controller is in neutral position.
1. On platform control console, push differential
lock switch forward to the locked position and
then release.
Result: Differential light should turn on.
▪
Differential lock should be engaged.
2. Pull differential lock switch backward to the
unlocked position and then release.
Result: Differential light should turn off.
▪
Differential lock will disengage when drive torque is
released. Refer to
Emergency power switch
Drive/Steer
controller
Section 5 for operation.
Function Tests
SJ85 AJ