SECTION 3 - CHASSIS, PLATFORM, & SCISSOR ARMS
31215079
3-45
3.10
SCISSOR ARMS
Lift Cylinder Removal
REMOVAL
NEVER WORK UNDER ELEVATED SCISSOR ARMS WITHOUT FIRST
PROPERLY BRACING/BLOCKING SCISSOR ARM ASSEMBLY.
1. Remove platform (refer to Figure 3-34.).
2. Elevate the scissor arm assembly enough to gain
access to the upper and lower connection pins.
Block/brace scissor arms and disable machine.
3. Disconnect, cap and label all hydraulic lines con-
nected to the lift cylinder. Disconnect and label all
electrical wires connected to lift cylinder.
4. Attach lifting straps to overhead crane and lift cylin-
der and support cylinder before attempting to
remove from arm assembly.
5. Remove the cylinder upper pin by removing the bolt,
nut and collar. Push pin out.
6. Remove the lower pin by removing the bolt and nut.
Push pin out.
7. Carefully lift cylinder up and out of arm assembly.
INSTALLATION
1. Follow Removal Steps in reverse.
2. After assembly, operate lift cylinder to ensure proper
operation.
NOTE:
Refer to Figure 4.13, Cylinder Assemblies for cylinder
breakdown.
Scissor Arms Removal
NEVER WORK UNDER ELEVATED SCISSOR ARMS WITHOUT FIRST
PROPERLY BRACING/BLOCKING SCISSOR ARM ASSEMBLY.
NOTE:
Scissor arms can be removed individually or as an
entire assembly.
ARM REMOVAL
1. Remove platform (refer to Figure 3-34.) and lift cylin-
der (refer to Figure 3-37.).
2. Disconnect, cap and label all hydraulic hoses and wir-
ing attached to scissor arms.
3. Support the scissor arms being removed.
4. Remove the pin from the scissor arm by removing
the two bolts, nuts and collar.
5. Push pin and bearing out from scissor arms.
6. Repeat at each connecting pin.
INSTALLATION
1. Follow Removal Steps in reverse.
Scissor Arm Assembly Removal
NEVER WORK UNDER ELEVATED SCISSOR ARMS WITHOUT FIRST
PROPERLY BRACING/BLOCKING SCISSOR ARM ASSEMBLY.
REMOVAL:
NOTE:
Applies to all four corners.
1. Remove platform (refer to Figure 3-34., Platform
2. Disconnect, cap and label all hydraulic hoses and wir-
ing attached to scissor arms and lift cylinder.
3. Support the scissor arm assembly with appropriate
lifting straps and overhead crane.
4. Disconnect the scissor arm assembly from the four
sliders by removing the bolts and nuts.
5. Push pins out.
6. Carefully lift arm assembly up and away from chassis.
INSTALLATION:
Follow Removal Steps in reverse.
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