SECTION 5, Page 6
SJIII Series - The Conventionals
129919
All adjustments
must
be made with a Calibrated Gauge.
Refer to the Serial Number Plate located on the rear of the machine for System and Lift Pressure values.
System Relief Pressure Adjustment
1.
Locate the System Pressure Quick Disconnect Port on the Main Manifold. Refer to Section 6 Main
Manifold Assembly for location.
2.
Install a Calibrated 5000 PSI Gauge to the System Pressure Quick Disconnect Port.
3.
Remove the Platform Control Box from the Guardrail and disconnect from the Main Control Cable.
4.
Locate the Main Control Cable Plug at the rear of the machine.
5.
Disconnect the Main Cable and connect the Platform Control Box into the Plug.
6.
At the Main Manifold, loosen the Locknut on the System Relief Valve R1. Refer to Section 6 Main
Manifold Assembly for location.
7.
Select Drive with the Lift/Drive Select Switch on the Platform Control Box.
8.
Engaged Steer Right and hold.
9.
Observe reading on Gauge. Adjust the R1 System Relief Value listed on the Serial Number Plate. Turning
the stem on the Relief Valve clockwise increases pressure. Turning the stem counterclockwise decreases
pressure.
10. Release Steer Switch and tighten the Locknut.
11. Remove the gauge from the System Pressure Test Port.
Lift Pressure Adjustment
Note
:
Adequate area to raise the Platform to full height is required for the following steps.
1.
Locate the Lift Pressure Test Port on the Main Manifold. Refer to Section 6 Main Manifold Assembly for
location.
2.
Install a Calibrated 3000 PSI Gauge to the Lift Pressure Quick Disconnect Port.
3.
At the Main Manifold, loosen the Locknut on the Lift Relief Valve R2.
4.
Close the Manual Lowering Valve. Using the Lift Switch at the Base Controls, raise the platform to full
height and hold the Lift Up Switch on.
5.
Observe the reading on the gauge. Adjust the R2 Relief Valve to the value listed on the Serial Number
Plate. Turning the stem of the Relief Valve increases pressure. Turning the stem counterclockwise
decreases pressure.
6.
Remove the gauge from the Lift Pressure Test Port.
Note
:
Pressure setting may vary as machine components wear.
The lift pressure should be set for rated load only.
System And Lift Pressure Adjustments
Summary of Contents for SJIII Compact 3215
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