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Troubleshooting and basic settings
Swash plate/shaft sealing ring/motor bearing defective
Removing bearing ring (heating)
Shaft sealing ring dismantled
Removing swash plate
Swash plate defective
– Unscrew the swash plate retaining screw.
– With an extraction tool (special tool), pull the
swash plate off the motor shaft.
– Remove the bearing ring from the swash pla-
te.
– Press a new swash plate onto the bearing
ring.
– Assemble all parts in the reverse order of
disassembly.
Motor bearing defective
– Dismantle all parts as described above.
– Remove the unit switch.
– Heat the motor housing evenly in the region of
the bearing ring until the bearing ring falls out.
– Insert a new cold bearing ring while the hou-
sing is still hot.
– Assemble all parts in the reverse order.
– Pay attention to the torque, oil quantity, type
and viscosity (see technical data).
Shaft sealing ring defective
– Remove swash plate as described above.
– Remove motor fan wheel and rear housing
cover.
– Pull out the motor rotor from the back.
– Knock out the shaft sealing ring frontwards.
– Install a new shaft sealing ring.
– Assemble all parts in the reverse order.
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...