102 | 180R9346 | AQ240486503020en-001702 © Danfoss | 2023.03
Operation guide Installation, Operation and Maintenance APP 53-92 pumps
Table of contents Table of Contents
Table of contents..................................................................... 102
Trouble shooting sh bone chart ..................................................... 103
1. No ow/no pressure.................................................................. 104
2. Reduced ow/reduced pressure ...................................................... 105
3. High torque on electric motor ........................................................ 106
4. Noise from pump .................................................................... 107
5. Noise from installation ............................................................... 108
6. Typical signs of wear ................................................................. 109
6.1 Valve plate........................................................................... 109
6.2 Port plate .............................................................................110
6.3 Swash plate...........................................................................110
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