Section 4 - Boom & Platform; Boom And Cylinder Assembly; Removal; Installation - JLG t350 Service And Maintenance Manual

4.1

BOOM AND CYLINDER ASSEMBLY

Removal

1. Using an adequate supporting device, support the
weight of the boom and cylinders assembly.
NOTE: The boom and cylinder assemblies weigh approxi-
mately 1130 lbs. (513 kg).
2. Tag and disconnect all hoses and wiring in the turn-
table that runs to the boom.
3. Remove the bolt, keeper pin, and pivot pin that
secures the tower boom link to the turntable.
4. Remove the bolt, keeper pin, and pivot pin that
secures the tower boom to the turntable.
5. Using an adequate lifting device, position straps
around the boom and cylinders assembly, taking
care to ensure the weight of the assembly is evenly
distributed.
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SECTION 4. BOOM & PLATFORM
NOTE: The boom and cylinder assemblies weigh approxi-

Installation

– JLG Lift –
SECTION 4 - BOOM & PLATFORM
mately 1130 lbs. (513 kg).
6. Lift the assembly away from the machine and lower
it onto proper supporting devices.
1. Lower the boom and cylinder assembly into position
on the machine.
2. Install the pivot pin, keeper pin, and bolt that
secures the tower boom to the turntable.
3. Install the pivot pin, keeper pin, and bolt that
secures the tower boom link to the turntable.
4. Connect all hoses and wiring in the turntable that
runs to the boom as tagged during removal.
5. Operate all boom functions and check for proper
operation or any leakage.
4-1