Field Service Manual December 2003
Page 39 of 276
Drum Vacuum adjustment by the Relief Valve:
When opening-loosening the top part of the relief valve the spring can be seen for
adjusting the drum vacuum. Adjusting the screw more to the bottom the vacuum will
increase. Bringing the adjustmentscrew more to the top the vacuum will decrease.
Don’t forget to close the valve again !!
Model PG30 – Drumvacuum
:
To adjust operation mode
• Press M and ↓ key together.
LED flashes under -.
With ↑ and ↓ key you can adjust the value to 7.
This is the units digit. 7 means mbar.
• Press the M key.
Led flashes under sw1
With ↑ and ↓ key you can adjust the value to 2(3).
This is the Analog output mode (not used)
• Press the M key again.
LED flashes under sw2
With ↑ and ↓ key you can adjust the value to 1.
This is the type of Operation mode.
Press the M key during 5 seconds. The settings are stored.
Adjustment of settings vacuum switch
• Press M and ↑ key together
LED under sw1 flashes on and off
With ↑ and ↓ key you can adjust the level to -40 mbar !!!!!!!! Negative
This is the vacuum level were sw1 will switch on.
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