Sauer Danfoss 51 Series Service Manual page 75

Bent Axis Variable Displacement Motors
Minor Repair and Replacement - Variable Motor (Continued)
PCOR Brake Pressure Defeat Spool
Remove the PCOR defeat spool bore plugs or fittings
with a hex wrench.
Remove the PCOR defeat spool stop plugs with a
7⁄16" hex wrench. Remove the defeat spool.
NOTE: The defeat spool may be removed from
either end of its bore in the multi-function block.
Inspect the defeat spool for burrs or roughness. The
spool must slide freely in its bore. Inspect the pins in
the stop plugs for damage.
Install the PCOR defeat spool into its bore in the multi-
function block.
Install the spool stop plugs into the multi-function
block. Torque the stop plugs to 6 Nm (4 ft•lbsf).
Install the defeat spool bore plugs or fittings and
torque to 27 Nm (20 ft•lbsf).
50 - 25
51000150
Fig. 50-137 - Remove
PCOR Defeat Spool
Plug or Fitting
Fig. 50-139 - Multi-function Block With
PCOR Defeat Spool Components
51000152
Fig. 50-140 - Install
PCOR Defeat Spool
Series 51
51000151
Fig. 50-138 - Remove
PCOR Defeat Spool
Stop Plug
51000032
51000153
Fig. 50-141 - Install
PCOR Defeat Spool
Stop Plug
75