JLG M400 Operator Manual - Manual (Page 59)

SECTION 4 - MACHINE OPERATION
3121215 – JLG Lift – 4-13
4. Shut down Emergency Stop at Ground Controls. Posi-
tion Platform/Ground Select switch to center OFF.
5. If necessary, cover Platform Controls to protect instruc-
tion placards, warning decals and operating controls
from hostile environment.
4.12 BOOM SYNCHRONIZING PROCEDURE
NOTE: If the Lower Boom assembly does not fully lower:
1. Remove all personnel from the platform.
2. Pull the red knob located beside the main control valve.
3. From Ground Control, activate the lift control switch,
raise Lower Boom 6 feet (1.8 m).
4. After raising Lower Boom, release the red knob.
5. Activate Lower Boom Down, fully lower boom.
6. Repeat step 1 thru 5 if necessary.
4.13 MACHINE LIFTING AND TIE DOWN
Lifting
1. Check Serial Number Plate, call JLG Industries, or weigh
the individual unit to obtain GVW.
2. Place the boom in the stowed position.
3. Remove all loose items from the machine.
4. Properly adjust the rigging to prevent damage to the
machine and so the machine remains level.
Tie Down
1. Place the boom in the stowed position.
2. Remove all loose items from the machine.
3. Secure the chassis and the platform using straps or
chains of adequate strength.