Closed Circuit - Danfoss 51 Series Service Manual
Bent axis motors
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Also See for 51 Series:
- Service manual (48 pages) ,
- Repair instructions (36 pages) ,
- Service kit instructions (2 pages)
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Service Manual
Series 51 and 51-1 Motors
Introduction
Series 51-1 motor cross section
Minimum
displacement limiter
Servo piston
Charge pressure relief valve
Closed circuit
©
Danfoss | March 2016
Valve segment
Electrohydraulic two-position control
In a closed circuit, hydraulic lines connect the main ports of the pump to the main ports of the motor.
Fluid flows in either direction from the pump to the motor and back to the pump. Either of the hydraulic
lines can be under high pressure.
Speed pickup ring
Bearing plate
Speed sensor
Piston
Tapered roller bearings
DIN-flange
Synchronizing shaft
P101 174E
11008567 | AX00000013en-US0202 | 9
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