SECTION 3 - COMPONENT SERVICING
3-8 – JLG Lift – 3121741
3.6 ECOLIFT FLYWHEEL CRANK COVER
INSTALLATION
DO NOT RELEASE THE FLYWHEEL CRANK AND ATTEMPT TO RAISE THE
PLATFORM WITHOUT WEIGHT IN THE PLATFORM. THE MAST CON-
TAINS A GAS CHARGED CYLINDER UNDER CONSTANT PRESSURE TO
HELP ASSIST THE LIFTING PROCESS WHEN THE PLATFORM IS IN THE
STOWED POSITION.
ONCE FLYWHEEL CRANK COVER IS REMOVED KEEP HANDS AND FIN-
GERS AWAY FROM THE CRANK MECHANISM IF RELEASING AND
ROTATING THE HANDLE.
3.7 ECOLIFT50/70 MAST INSTALLATION
(See Figure 3-15.)
THE MAST CONTAINS A GAS CHARGED CYLINDER UNDER CONSTANT
PRESSURE. WHEN THE PLATFORM IS FULLY LOWERED THE GAS IS
UNDER THE MOST PRESSURE.
DO NOT RELEASE THE FLYWHEEL CRANK WITHOUT WEIGHT IN THE
PLATFORM DUE TO THE CONSTANT PRESSURE OF THE GAS CYLINDER.
IF REMOVING THE MAST ASSEMBLY FROM THE MACHINE, THE GAS
MUST BE RELIEVED FROM THE PRESSURIZED GAS CYLINDER.
Mast Disassembly
The mast assembly can be disassembled while on the
machine or removed completely from the machine and
disassembled.
1. Remove the tool tray from the top of the mast
assembly. (See Section 3.2)
2. Remove the frame cover from the base frame.
(See Section 3.1)
NOTE: Before performing the next step you must have pro-
visions to refill the gas cylinder once mast is reas-
sembled. See 830P Mast Installation on page 3-13.
3. Remove the mast top cover and using the valve
on the top of the gas cylinder, allow all the gas to
escape from the cylinder.
4. Remove the platform from the mast. (See Section
3.5).
5. Remove the mast from the base frame. If disas-
sembling off the machine.
6. Remove the flywheel crank cover from the fly-
wheel crank. (See Section 3.6)
7. Remove the mast top cap.
Figure 3-13. Flywheel Crank Cover Installation -
Ecolift50 and 70
1. Frame Cover 2. Mounting Screws/Washers
Figure 3-14. Mast Top Cap Installation - Ecolift
1. Top Cover 2. Mounting Screws
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