JLG 45e Operator Manual User Manual
Page 61
SECTION 6 - EMERGENCY PROCEDURES
3120860
– 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,
including this section, should be reviewed by all person-
nel whose responsibilities include any work or contact
with the machine.
6.2
EMERGENCY TOWING PROCEDURES.
Towing this machine is prohibited. However, provisions for
moving the machine have been incorporated. The follow-
ing procedures are to be used ONLY for emergency
movement to a suitable maintenance area.
1.
Chock wheels securely.
2.
Engage the mechanical release on both drive
brakes by loosening, completely reversing, and
tightening the three nuts on each brake.
3.
Connect suitable equipment, remove chocks, and
move machine.
After moving machine, complete the following procedure:
3.
Position machine on a firm level surface.
4.
Chock wheels securely.
5.
Disengage the mechanical release on both drive
brakes by loosening, completely reversing, and
tightening the three nuts on each brake.
6.
Remove chocks from wheels as desired.
6.3
EMERGENCY CONTROLS AND THEIR
LOCATIONS.
Emergency Stop Switch.
There is one of these red mushroom shaped switches at
either Ground Controls or Platform Controls. When
depressed it will immediately stop all functions at that sta-
tion and shut down the machine.
CHECK DAILY TO MAKE SURE EMERGENCY STOP SWITCH IS
FUNCTIONING AND THAT CONTROL INSTRUCTIONS ARE IN
PLACE AND LEGIBLE.
Ground Control Station.
The Ground Control Station is located on the (Right 30/
35/n35 electric) - (Left 40/n40/45 electric) side of the
turntable. The controls on this panel provide the means
for overriding the platform controls and for controlling
boom swing and lift from the ground. The PLATFORM/
GROUND SELECT SWITCH is a self-centering switch.
Hold SELECT SWITCH in GROUND position and operate
the desired function switch.
Manual Descent System.
(30/35/n35 electric)
The manual descent system is used, in the event of total
power failure, to lower the upper and lower booms using
gravity. To operate the manual descent system, proceed
as follows:
1.
Open needle valve on lower boom lift cylinder
(counterclockwise) and allow boom to lower until it
stops. Control boom speed by opening and closing
valve.
2.
Close needle valve (clockwise) to resume normal
operation.
3.
Open needle valve on upper boom lift cylinder
(counterclockwise) and allow boom to lower until it
stops. Control boom speed by opening and closing
valve.
4.
Close needle valve (clockwise) to resume normal
operation.
Manual Descent System.
(40/n40/45 electric)
The manual descent system is used, in the event of total
power failure, to lower the upper and lower booms using
gravity. To operate the manual descent system, proceed
as follows:
1.
Locate manual descent knob on main valve and turn
(counterclockwise). Install handle into manual
descent pump and lower the Mid and Lower Booms
by pumping the handle until they are completely
lowered.
2.
Turn manual descent knob (clockwise) and lower
the Upper Boom by pumping the handle until it is
completely lowered. Return manual descent knob
to center position and stow handle in bracket pro-
vided.