JLG 450AJ ANSI Operator Manual User Manual
Page 63
SECTION 6 - EMERGENCY PROCEDURES
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– JLG Lift –
6-1
SECTION 6. EMERGENCY PROCEDURES
6.1
GENERAL
This section provides information on the procedures to be
followed and on the systems and controls to be used in
the event an emergency situation is encountered during
machine operation. Prior to operation of the machine and
periodically thereafter, the entire operating manual, includ-
ing this section, should be reviewed by all personnel
whose responsibilities include any work or contact with
the machine.
6.2
EMERGENCY TOWING PROCEDURES
Towing this machine is prohibited, unless properly
equipped. However, provisions for moving the machine, in
case of a malfunction or power failure, have been incorpo-
rated. The following procedures are to be used ONLY for
emergency movement to a suitable maintenance area.
1.
Chock wheels securely.
2.
Disengage drive hubs by reversing disconnect caps.
3.
Connect suitable equipment, remove chocks, and
move machine.
After moving machine, complete the following proce-
dures:
1.
Position machine on a firm and level surface.
2.
Chock wheels securely.
3.
Engage drive hubs by reversing disconnect caps on
hubs.
4.
Remove chocks from wheels as needed.
6.3
EMERGENCY CONTROLS AND THEIR
LOCATIONS
Power/Emergency Stop Switches
1.
There is one of these red mushroom shaped
switches at both the Ground Controls and Platform
Controls. When depressed it will immediately stop
the machine.
CHECK MACHINE DAILY TO MAKE SURE EMERGENCY STOP
SWITCH GUARD IS IN PLACE AND THAT GROUND CONTROL
INSTRUCTIONS ARE IN PLACE AND LEGIBLE.
2.
Installed on the Platform Console, this round red
switch is pulled up for normal machine functions. In
an emergency, push the button to the down position
with your palm and machine will immediately stop.
Ground Control Station
The Ground Control Station is located on the right front
side of the turntable. The controls on this panel provide
the means for overriding the platform controls, and for
controlling the platform level, boom and swing functions
from the ground. Place the KEY SELECT switch to
GROUND position and operate the proper switch to lift,
swing, or telescope the boom, or level the platform.
Auxiliary Power
A toggle type auxiliary power control switch is located on
the platform control station and another is located on the
ground control station. Operation of either switch turns on
the electrically driven auxiliary hydraulic pump. This
should be used in case of failure of the main power plant.
The auxiliary pump will operate boom lift, telescope and
swing. To activate auxiliary power:
1.
Position PLATFORM/GROUND SELECT KEY
SWITCH to PLATFORM.
2.
Position POWER/EMERGENCY STOP switch to ON.
3.
Depress and hold footswitch.
4.
Operate appropriate control switch, lever or control-
ler for desired function and hold.
5.
Position AUXILIARY POWER switch to ON and hold.
6.
Release AUXILIARY POWER switch, selected control
switch, lever or controller, and footswitch.
7.
Position POWER/EMERGENCY STOP switch to OFF.
To activate auxiliary power from the ground control sta-
tion:
1.
Position PLATFORM/GROUND SELECT KEY
SWITCH to GROUND.
2.
Position POWER/EMERGENCY STOP switch to ON.
3.
Operate appropriate control switch or controller for
desired function and hold.
4.
Position AUXILIARY POWER switch to ON and hold.
5.
Release AUXILIARY POWER switch, and appropriate
control switch or controller.
6.
Position POWER/EMERGENCY STOP switch to OFF.