Not using regulated DC power supply
- Connect pressure control solenoid valve (1) to battery (2) setting the 8 - 10 W bulb (4) on the way as shown in Fig 1.
- Check for movement of valve (3) in the direction of arrow "A".
- Disconnect pressure control solenoid valve (1) from battery (2) and check movement of valve (3) in the direction of arrow "B".CAUTION: Set 8 - 10 W bulb on the way, or pressure control solenoid valve is burned out.