Introduction
Overview..............................................................................................................................................................................................4
General instructions........................................................................................................................................................................ 4
Remove the unit..........................................................................................................................................................................4
Keep it clean..................................................................................................................................................................................4
Lubricate moving parts.............................................................................................................................................................4
Replace all O-rings and gaskets............................................................................................................................................. 4
Secure the unit.............................................................................................................................................................................5
Safety precautions............................................................................................................................................................................5
Unintended machine movement..........................................................................................................................................5
Flammable cleaning solvents.................................................................................................................................................5
Fluid under pressure..................................................................................................................................................................5
Personal safety.............................................................................................................................................................................5
Symbols used in Danfoss literature............................................................................................................................................6
Section diagram................................................................................................................................................................................7
Disassembly
Endcap..................................................................................................................................................................................................8
Rotating components.....................................................................................................................................................................9
Shaft removal (SAE or DIN).........................................................................................................................................................10
Shaft removal (Cartridge)............................................................................................................................................................11
Endcap disassembly......................................................................................................................................................................12
060 frame.....................................................................................................................................................................................12
080 frame.....................................................................................................................................................................................13
110 - 250 frame..........................................................................................................................................................................13
All frame sizes.............................................................................................................................................................................14
51-1 Endcap................................................................................................................................................................................14
Inspection
Shaft assembly................................................................................................................................................................................16
Piston rings.......................................................................................................................................................................................16
Bearing plate, valve segment, and cylinder block............................................................................................................. 17
Assembly
Endcap assembly............................................................................................................................................................................19
All frame sizes.............................................................................................................................................................................19
060 frame.....................................................................................................................................................................................19
080 frame.....................................................................................................................................................................................19
110-250 frames..........................................................................................................................................................................20
All frame sizes.............................................................................................................................................................................21
Shaft and mounting flange assembly.....................................................................................................................................22
SAE/DIN flange.......................................................................................................................................................................... 22
Cartridge flange........................................................................................................................................................................ 23
Cylinder block and synchronizing shaft.................................................................................................................................25
Synchronizing shaft and rollers...........................................................................................................................................25
Cylinder block............................................................................................................................................................................ 27
Bearing plate and valve segment.............................................................................................................................................29
Bearing plate.............................................................................................................................................................................. 29
Endcap installation........................................................................................................................................................................30
Repair Instructions
Series 51 and 51-1 Bent Axis Motors Repair Instructions
Contents
11009449 • Rev BA • December 2014 3
To Next Page
Loading...
Need help?
General