Vehicle System Testing and Adjusting 42
Tilt and Sideshift Relief Valve Check and
Adjustment
1. Start the engine and activate the hydraulics until
the hydraulic oil is at the normal operating
temperature. Put the mast in the full tilt back
position.
2. With the engine at high idle, hold the tilt control
lever in the full tilt back position and watch the
gauge. The gauge indication is the pressure that
opens the relief valve.
3. The correct pressure setting is shown in the chart.
4. If an adjustment to the relief valve setting is
necessary, loosen nut (5).
Relief Valve Adjustment
(5) Locknut. (6) Stud.
5. Turn setscrew (6) clockwise to increase or
counterclockwise to decrease the pressure setting
of the relief valve.
6. Tighten the locknut and check the pressure
setting again for correct adjustment.
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