Sauer Danfoss 51 Series Service Manual page 74

Bent Axis Variable Displacement Motors
Minor Repair and Replacement - Variable Motor (Continued)
51000147
Fig. 50-131 - Install
PCOR•PC Valve
Block
51000143
Fig. 50-133 - Install
PCOR•PC Spring
and Spool Valve
Fig. 50-135 - PCOR and PC Regulator
Orifices
Fig. 50-136 - PCOR and PC Regulator
Orifices
74
51000148
Fig. 50-132 - Install
PCOR•PC Valve Plug
51000142
Fig. 50-134 - Install
PCOR•PC Adjusting
Screw
51000149
51000172
Install the valve block on the multi-function block and
install the screws. Torque the screws to 11 Nm (8
ft•lbsf).
Install the valve block plug and torque to 54 Nm (40
ft•lbsf).
Install the pressure compensator spool assembly
and the valve spring.
Install the adjusting screw and lock nut. Perform the
PCOR or PC regulator pressure adjustment as de-
scribed under "Component Adjustment."
PCOR and PC Regulator Orifices
To gain access to the PCOR or PC regulator orifices,
remove the three (3) plugs located between the
defeat spool stop plugs on the multi-function block,
using a 7/16" hex wrench. Remove the PCOR brake
pressure defeat spool (if installed). Remove the ori-
fice plug(s) and plain plug(s) with a 2.5 mm internal
hex wrench.
Refer to the appropriate Service Parts Manual for
information on orifice locations and sizes.
Install the orifice plug(s) and plain plug(s), and torque
to 4 Nm (35 in•lbsf). Install the outer plugs and torque
to 6 Nm (4 ft•lbsf). Reinstall the PCOR defeat spool (if
removed).
Additional orifices are installed in the passages under
the pressure compensator valve block.
Series 51
50 - 24