New Holland WorkMaster 50 Service Manual page 510

Steering circuit relief valve - Adjust
NOTE: To adjust the steering system relief valve it is necessary to remove the steering motor from the steering bracket,
to gain access to the hexagon headed adjusting screw.
1. Disconnect the steering motor from the steering
bracket, and remove from the tractor refer to Power
steering control valve - Remove (41.200)
2. Fabricate suitable test hose to connect pump pipeline
to steering motor. Connect locally procured 'T' joint be-
tween test hose and steering motor and Install pressure
gauge as in Figure 1.
3. Cap all connections to steering cylinder.
4. Connect the return hose normally. If required connect
with extra hose and suitable adopter.
5. Start the engine
1500 RPM.Run the tractor until the transmission oil
reaches normal working temperature.
6. With the engine running, turn the steering motor shaft
to obtain full lock. The pressure gauge reading should
read 10300 kPa (1494 psi).
7. If the pressure readings are not correct, reset the ad-
juster, (1), using an 6 mm (0.2 in) hexagon key.
1. Adjuster
2. Steering shaft
3.
Relief valve
4. Steering Motor Output Hose
5. Tractor tubes to steering cylinder
Steering - Hydraulic control components
and idle between 1450
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41.2 [41.200] / 25
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1
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6. Hose for pump supply to steering motor
7.
Pressure gauge 20684 kPa (3000 psi)
8.
Cap
9. Spring
10. Plug