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23
Troubleshooting and basic settings
Unit switches on and off continuously
Water leak between high-pressure hose and O-ring
Servopress handgun disassembled
Servopress handgun leaking
– Disassemble the handgun and check all com-
ponents for any malfunction. Replace defecti-
ve parts if necessary.
– Lubricate all O-rings and empty spaces in the
union piece with anti-seize, copper grease
compound.
High-pressure screwed connections leaking
– Check all O-rings and seals between the cylin-
der head connection and the handgun. If
necessary replace defective parts.
Water leak at the cylinder head
– Check all O-rings, screwed connections and
seals at the cylinder head. If necessary repla-
ce defective parts.
Remove pressure holding valve
Pressure holding valve leaking
– Remove threaded plug and pressure holding
valve, check for leakage. Replace defective
parts if necessary.
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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...