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22
Adjust pressure switch
Set overflow valve
Troubleshooting and basic settings
Unit does not reach required pressure
Setting overflow valve
– Always use a new high-pressure nozzle for
the basic setting.
– Let the unit run with the Servopress handgun
fully open.
– With the overflow valve adjusting nut, set the
spring tension so that operating pressure is
reached (see technical data).
– Secure the adjusting nut with the lock nut.
Setting pressure switch
– Turn the unit off and release the pressure by
opening the hand gun.
– Rotate the adjusting nut clockwise until it just
makes contact with the switch arm.
– Secure the adjusting nut with the lock nut.
Summary of Contents for HD 1090
Page 1: ...HD 1090 Service Handbook 0 I 5 905 212 03 02...
Page 4: ...2 Unit function Equipment 10 15 12 9 10 13 11 14 16 1 8 2 3 4 5 6 7 0 I...
Page 6: ...4 Unit function Functional diagram 5 3 7 8 9 10 11 12 13 14 2 1 15 16 17 4 6...
Page 8: ...6 Unit function Pump 15 17 18 10 12 13 11 14 16 20 9 12 11 1 8 2 3 4 5 6 7 11 19 21...
Page 10: ...8 Unit function Pressure and flow control with the Servopress handgun 1 2 4 3...
Page 14: ...12 Unit function Handgun with pressure and flow control Servopress with low effort version...