Shibaura ST318, Руководство по ремонту

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184
(3) Adjustment
1. Inspection and adjustment of relief valve
➀
After installed power steering parts to tractor,
inspect the relief pressure as follows.
➁
Disconnect the oil hose from the adapter or power
steering cylinder.
➂ Connect a 15 MPa (150 kgf/cm
2
) oil pressure gauge
to end of the pressure line from the steering control
valve.
➃ Start the engine and warm up the transmission oil
more than 50°C.
➄
Keep the engine to high idle speed and slowly turn
the steering wheel, and observe the gauge
immediately.
Relief valve adjusting pressure
5.9 – 6.6 MPa (60 – 67 kgf/cm
2
)
NOTE: The relief adjuster plug is changed 1.47
MPa (15 kgf/cm
2
) by one turn.
➅ Install the oil hose to the adapter and tighten to 22.3
~ 27 N·m (2.25 ~ 2.75 kgf·m).
➆
Remove the air in the steering piping by turn the
steering wheel counterclockwise and clockwise
several times while raise the front wheel.
T627
T628
T629