JLG 1250AJP Quick Reference

Getting Started
Located at:
- Platform Station
- Ground Station
STEP Read the Operation and
Safety Manual. Perform
1
pre-start inspection.
STEP
Select platform controls
2
STEP
Pull out both E-Stops
3
STEP
Start Engine
4
Below 20°F (-7°C) run engine for
15 min. before operating machine.
STEP
Verify axles are extended
5
before lifting boom.
STEP
Select appropriate platform
capacity
6
1000 lb MAX
450 kg MAX
500 lb MAX
230 kg MAX
STEP
Enable footswitch
7
STEP
Operate Machine
8
1250AJP Quick Reference
Controls and Indicators
Axles
Axles must be extended and the Axle Set Light must be on to elevate the boom. To extend the axles,
select the axle extend switch while driving forward or reverse.
Drive Orientation Override
If operating drive and the Drive Orientation Light flashes, the drive controls may be opposite from the
intended driving direction. To continue: 1) verify the intended drive direction, 2) push and release
the Drive Orientation Override switch, and 3) operate drive within 3 seconds.
Platform Capacity Select/Jib Swing Function
When the Platform Capacity is selected to the 500 lb (230 kg) position, the 500 lb
(230 kg) light will be on and the JLG control system will allow operation within the larger
500 lb MAX
envelope. The side swing jib can be used with this selection.
230 kg MAX
When the Platform Capacity is properly selected to the 1000 lb (450 kg) position, the
1000 lb MAX
1000 lb. (450 kg) light will be on, and the JLG control system will allow operation within
450 kg MAX
The smaller envelope. This side swing jib must remain in the centered position with
this selection.
Boom Control System Warning
!
If operating a function causes the Boom Control System Warning Light to flash and the platform
alarm to sound, the selected movement is not allowed. To continue movement, operate the
function in the opposite direction, or operate a different function.
WARNING!
Creep Speed
The creep light acts as a reminder that all functions are set to the slowest speed. The light will be
on continuously if the creep switch is selected by the operator. The creep light will flash if the JLG
control system has selected this creep speed automatically. This occurs when the boom is near the
Edge of the envelope, when the hydraulics are cold, or the Boom Control System Warning is active.
Footswitch/Enable
To enable the platform controls, step on the footswitch FIRST and then choose a function within
7 seconds. If no function is selected within 7 seconds, the Footswitch/Enable light will turn off and
the footswitch must be released and depressed again.
Tower Lift Control Tower Lift Control
Lift and telescope movements of the tower boom are coordinated by the JLG control system.
While operating tower lift up, the tower boom will also telescope out. While operating tower lift down,
the tower boom will also telescope in.
While operating tower lift, the JLG control system will also coordinate the movement of the main
boom within its allowable limits. While operating tower lift up, the main boom will also lift up.
While operating tower lift down, the main boom will also lift down. The main boom can also be
positioned manually using the main lift controller.
Platform leveling
Platform leveling is controlled by the JLG control system to maintain a set platform position.
This feature is active during
be manually adjusted using the platform level override switch.
Auxilary Power
To operate a function using Auxiliary power, operate the function while activating the auxiliary
power switch.
Note: Movements of the boom using auxiliary power will be SLOW and the movements
will momentarily stop and alternate between other functions as needed. When operating
Tower Lift, the movements will alternate between tower lift, tower telescope, and main
lift. When operating Main Lift, the movements will alternate between main lift, tower lift,
and platform level.
Note: If both capacity lights are flashing, the boom or jib is out of the allowable
envelope. Remove platform load over of 500 lb (230 kg) and select the 500 lb
(230 kg) capacity position.
The Boom Control System Warning Light may indicate contact of
the machine with another structure and continued movement may
result in damage to the machine or machine tip over.
lift, swing, and drive movements. The starting platform position can
CE/AUS
JLG - 3128413 - 7-21-2010