JLG 3246E2 Service Manual - Manual (Page 26)

SECTION 2 - PROCEDURES
2-14 – JLG Sizzor – 3120855
2.14 PRESSURE SETTING PROCEDURES
NOTE: Make all pressure adjustments with motor operating
and hydraulic oil at normal operating temperature. In
addition, all functions must be operated from the
platform control station in order to achieve full pump
speed. It may be necessary to use an assistant to
adjust the pressure settings while operating the func-
tions from the platform control station.
Lift Relief for Non Proportional Control
Machines
1. Install a pressure gauge at gauge port MP, located at
the inside top of the valve body. The port is identified
by a stamping on the valve body.
2. Disconnect the hose from valve port 3, then plug the
hose and the valve port.
3. From the platform control station, activate the Lift Up
function by pressing the LIFT switch and activating
the controller to the full forward position.
4. Adjust Lift Relief to value in the Pressure Settings
Chart.
5. Shut down hydraulic system and remove pressure
gauge.
Steer Adjustment for Non Proportional
Control Machines
1. With pressure gauge at "MP" port on control valve
activate steer in either direction.
2. Adjust Steer Relief to value in the Pressure Settings
Chart
Figure 2-11. Control Valve Components