Disassembly; Endcap - Danfoss 51 Series Repair Instructions

Repair Instructions

Disassembly

Endcap

Endcap and rotating components
B05
C10
C20
C05
Q20
SAE flange version
8
Series 51 and 51-1 Bent Axis Motors Repair Instructions
Following procedures in the Series 51 and 51-1 Service Manual, 11008567: Remove the control and multi-
function block (if installed). Remove the 4-way valve spool and sleeve (if installed). Remove the threshold
springs and guides. Remove the control springs (if installed). Remove the ramp springs and guides (if
installed). Remove the minimum angle servo cover from the motor. Remove the loop-flushing valve and
charge relief valve.
1. Remove the screws (G32 and G34) retaining the end cap assembly to the motor housing.
2. Remove the end cap assembly.
3. Remove the gasket (G60); discard.
4. Remove the alignment pins (B50).
Note orientation of segment with end cap and housing
Note orientation of pins
Note orientation of rollers with synchronizing shaft (recess faces the centerline of the shaft)
(later version rollers do not have recess and can be installed either way), and synchronizing
shaft with cylinder block and output shaft, small end into shaft and big end into block.
B50
B50
11009449 • Rev BA • December 2014
Note locations of longer and
G32
shorter screws
060 and 080: 8mm
G34
110 and 160: 10mm
250: 12mm
End cap assembly
(side port configuration shown)
G60
Cartridge version
P104 086