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| Close pressure gauge shut-off tap (lever at right angles to throughflow direction - position -B-). |
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| Operate remote control at short intervals, until a pressure of 3 bar has built up. |
Caution Danger of spray when opening the shut-off tap, hold container over the pressure gauge free connection. |
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| Release the excess pressure by carefully opening the shut-off valve. |
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| Watch pressure drop on gauge. After 10 minutes the pressure must not drop below 2.5 bar. |
If the pressure drops further: |
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| Check pipe connections for leaks. |
If no wiring fault is detected: |
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| Fuel pump defective, renew fuel delivery unit → Chapter; Removing and installing fuel delivery unit. |
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