Endcap
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).
Endcap and rotating components
Q20
G60
B50
C05
G34
B50
C20
SAE flange version
Cartridge version
G32
End cap assembly
(side port configuration shown)
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.
Note locations of longer and
shorter screws
Note orientation of pins
B05
C10
Note orientation of segment with end cap and housing
P104 086
060 and 080: 8mm
110 and 160: 10mm
250: 12mm
Repair Instructions
Series 51 and 51-1 Bent Axis Motors Repair Instructions
Disassembly
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11009449 • Rev BA • December 2014