Electrohydraulic Proportional Control (Types Ep And Eq) - Sauer Danfoss 51 Series Service Manual

Bent Axis Variable Displacement Motors
Minor Repair and Replacement - Variable Motor (Continued)
51000124
Fig. 50-96 - Remove
PCP Valve
51000126
Fig. 50-98 - Remove
EP•EQ Control
Housing
Fig. 50-100 - EQ Control Components (EP
Similar)
68
51000125
Fig. 50-97 - Remove
EP•EQ Control
Housing Screws
51000086
Fig. 50-99 - Remove
Pilot Piston Pin
51000027
Electrohydraulic Proportional Control
(Types EP and EQ)
Thoroughly clean external surfaces prior to removal
of control.
The Pressure Control Pilot (PCP) valve may be
removed from the control valve housing, as de-
scribed under the following heading.
Remove the screws retaining the control housing
cover and control valve housing to the multi-function
block with a 4 mm internal hex wrench. Remove the
housing cover and gasket.
Remove the valve housing with the pilot piston from
the multi-function block.
Remove the O-rings from the valve housing. Remove
the pilot piston and spring from the valve housing.
Remove the pilot piston pin from the multi-function
block.
Install new O-rings on the valve housing and retain
with petroleum jelly.
The plugs on the control housing may be removed
with a 1/4" internal hex wrench. When reinstalling,
torque the 9/16" plugs to 20 Nm (15 ft•lbsf).
Series 51
50 - 18