Skyjack SJ45T, Operating Manual

Page: 55 / 106

Section 3 - Operation Start Operation
3.8-16 To Raise or Lower Main Boom Using
Platform Control Console
1. Depress and hold footswitch.
2. Push and hold boom/turret controller in this
direction “ ” to raise main boom or “ ”
to lower main boom.
3. Release controller handle to stop.
3.8-17 To Rotate Turret Using Platform Control
Console
WARNING
When rotating the turret, ensure that there
are no personnel or obstructions in the
path of rotation, including blind spots.
1. Depress and hold footswitch.
2. Push and hold boom/turret controller in this
direction “ ” to rotate clockwise or “ ” to
rotate counterclockwise.
3. Release controller handle to stop.
NOTE
Turret can be rotated continuously
360 degrees.
3.8-18 To Sound Horn
1. Press “ ” horn pushbutton to sound horn.
Release pushbutton to stop sounding horn.
3.8-19 To Operate Using Emergency Power
Switch at Platform Control Console
This is a momentary-type switch. This switch allows all
functions except drive function to operate in the event
of engine malfunction. Refer to
Section 2.6 for the
emergency lowering procedure.
NOTE
The emergency power unit has two-minute
duty cycle.
CAUTION
Do not use emergency power unit
continuously for two minutes.
3.8-20a 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.
3.8-20b To Disengage Differential Lock Switch
1. Ensure path of intended motion is clear.
2. Depress and hold footswitch.
3. P u l l d i f f e r e n t i a l l o c k s w i t c h b a c k w a r d
“ ” 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).
3.8-21 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 aerial platform with cold weather start option:
NOTE
When temperature gets below -10°C
(+14°F), ensure aerial platform is parked
close to AC outlet.
5. Plug in battery warmer/hydraulic oil heater into
AC outlet at least 4 hours before starting engine.
SJ 40T & SJ 45T
SJ 61T & SJ 66T
Page 55