JLG 450AJ ANSI Operator Manual - Manual (Page 51)

SECTION 4 - MACHINE OPERATION
3120748 – JLG Lift – 4-3
4. To obtain maximum travel speed, position the DRIVE
controller to FAST and activate the following
switches:
Position DRIVE SPEED/TORQUE SELECT switch to
FAST. (Forward Position)
5. Prior to stopping the machine, position switches as
follows:
Position DRIVE SPEED/TORQUE SELECT switch to
LOW. (Backward Position)
6. For traveling up grades, position switches as fol-
lows:
Position DRIVE SPEED/TORQUE SELECT switch to
HIGH.
NOTE: For smoother operation when driving with fully
extended boom, place DRIVE control to SLOW
before stopping.
4.5 STEERING
Depress footswitch to steer machine, push on the left side
of the switch to steer left, on the right side to steer right.
BEFORE OPERATING MACHINE, MAKE SURE BOOM IS POSI-
TIONED OVER REAR AXLE. IF BOOM IS OVER FRONT AXLE
(STEER WHEELS), STEER AND DRIVE CONTROLS WILL MOVE IN
OPPOSITE DIRECTION THAN INDICATED ON MACHINE PLAC-
ARDS.
4.6 PARKING AND STOWING
Park and stow machine as follows:
1. Park machine in travel position; boom lowered over
rear, all access panels and doors closed and
secured, ignition off.
2. Check that brakes hold machine in position.
3. Chock wheels front and rear.
4. Turn off SELECT switch and remove key.
4.7 PLATFORM
Loading From Ground Level
1. Position chassis on a smooth, firm and level surface.
2. If total load (personnel, tools and supplies) is less
then rated capacity, distribute load uniformly on plat-
form floor and proceed to work position.
LEVEL
DO NOT DRIVE MACHINE ON GRADES AND
SIDESLOPES EXCEEDING THOSE SPECIFIED ON
THE SERIAL NUMBER PLACARD.
Figure 4-1. Grade and Sideslope