SJ 46A & SJ 46AJ
December 2007
Page 43
TM
Section 2 - Operation
Function Tests
Test Differential Lock Switch
•
wARNiNG
Before engaging differential lock,
ensure drive/steer controller is in
neutral position.
1. On platform control console, push
d i f f e r e n t i a l l o c k s w i t c h f o r w a r d
“
” to the locked position and then
release.
Result:
Differential lock is engaged and
differential light should turn on.
2. Pull differential lock switch backward
“
” to the unlocked position and then
release.
Result:
Differential lock is disengaged
and differential differential light should turn
off.
Test Oscillating Axles
•
wARNiNG
DO NOT
operate any control on platform
control console without proper fall
protection secured to designated
location in platform. Failure to avoid this
hazard could result in death or serious
injury!
1. Extend fly boom 12 in. (30 cm) while on a
firm level ground.
Result:
The steer axle should be locked.
2. Drive one of the steer tires up onto a
6 in. (15 cm) block or curb.
Result:
An appropriate tilt of the aerial
platform chassis should occur.
3. Retract fly boom while in tilt position.
Result:
The steer axle should unlock and
the aerial platform chassis should level
itself to ground.
Oscillating Axle - Unlocked
Oscillating Axle - Locked
