Hydraulic Proportional Control (Type Hs) - Sauer Danfoss 51 Series Service Manual

Bent Axis Variable Displacement Motors
Minor Repair and Replacement - Variable Motor (Continued)
Fig. 50-49 - Remove HS Control Housing
Screws
Fig. 50-50 - HS Control Components
Fig. 50-51 - Torque HS Control Housing
Screws
60

Hydraulic Proportional Control (Type HS)

Thoroughly clean external surfaces prior to removal
of control.
Remove the screws retaining the valve housing to the
multi-function block with a 4 mm internal hex wrench.
Remove the valve housing.
51000087
The plug on the control housing may be removed with
an 11/16" hex wrench. When reinstalling, torque the
plug to 37 Nm (27 ft•lbsf).
Install a new O-ring onto the valve housing.
51000019
Install the valve housing onto the multi-function block,
and install the screws.
Torque the screws to 6.4 Nm (4.7 ft•lbsf).
51000088
Series 51
50 - 10