SJ46AJ SJ51AJ SJ63AJ
December 2007 Page 59
Section 3 - Operation Start Operation
3.8-22a To Engage Differential Lock Switch
1. Depress and hold footswitch.
2. On platform control console, push differential lock
switch forward “ ” to the locked position and
then release.
3.8-22b To Disengage Differential Lock Switch
1. Ensure path of intended motion is clear.
2. Depress and hold footswitch.
3. P u ll di f fe r en tia l l ock sw it c h bac kw a rd
“ ” to the unlocked position and then release.
NOTE
To disengage differential lock mechanism,
it may be necessary to release drive torque.
This can be accomplished by operating
drive (alternating directions) and/or steer
functions (alternating directions).
3.8-23 Hydraulic Generator (If Equipped)
To start hydraulic generator:
1. Ensure engine is running.
2. On platform control console, turn generator on/
off switch to “ ” on position.
To restore normal operation:
1. On platform control console, turn generator on/
off switch to “ ” off position.
NOTE
An engine shut down will turn the generator
off. Normal boom functions are disabled
while the generator is on.
3.8-24 Shutdown Procedure
1. Completely retract boom and lower platform.
2. Push in “ ” emergency stop button on platform
control console and on base control console.
3. Turn base/off/platform key switch to “ ” off
position. Remove key.
4. Turn main power disconnect switch to “ ” off
position.
For MEWP with cold weather start option:
NOTE
When temperature gets below -10°C
(+14°F), ensure MEWP is parked close to
AC outlet.
5. Plug in battery warmer/hydraulic oil heater into
AC outlet at least 4 hours before starting engine.