saue
75
Series 90
Minor Repair
9
Control Supply Orifice
O-Ring
Backup Washer
Backup Washer
O-Ring
Screen (Pressed In)
Orifice Body
Screen
Cross-Section View of
Control Supply Orifice Assembly
O-Ring
O-Ring
Backup Washer
Backup Washer
MV Control Supply Orifice
MV Minimum Displacement Orifice
Orifice / Check Valve
Assembly
O-Ring
O-Ring
Backup Washer
Backup Washer
Orifice
Orifice Body
Check Ball
Orifice Seat
(Spot Welded)
Backup Washer
Backup Washer
Spring Pin
O-Ring
O-Ring
Orifice Body
Backup Washer
Backup Washer
O-Ring
O-Ring
Cross-Section View of
Orifice Assembly
Cross-Section View of
Orifice / Check Valve
Assembly
9.5.4 Variable Motor Control Orifices
9.5.4.1 Control Supply Orifice
1. Remove the control supply orifice from the motor
housing with an 11/16 inch hex wrench.
2. Remove the O-rings and the backup washers.
Check that the filter screen is secure in the orifice
body and that the screen and the orifice are not
plugged.
3. Install new backup washers and O-rings onto the
orifice body. Install the orifice into the motor hous-
ing and torque to 37 Nm (27 ft•lbf).
CAUTION
Do not interchange the control supply orifice
with the minimum displacement orifice (next
section).
9.5.4.2 Minimum Displacement Cylinder
Orifice or Orifice Check Valve
1. Remove the minimum displacement cylinder drain
orifice or the orifice check valve from the motor
housing with an 11/16 inch hex wrench.
2. Remove the O-rings and the backup washers.
Check that the orifice is not plugged. Check that
the check valve seat is secure in the body and that
the check ball is free.
3. Install new backup washers and O-rings onto the
orifice body. Install the orifice into the motor hous-
ing and torque to 37 Nm (27 ft•lbf).
CAUTION
Do not interchange the control supply orifice
(previous section) with the minimum displace-
ment orifice.
90000855
90000854
CONTENTS
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Страница 240: ...saue Axial Piston Pumps and Motors Service Manual Series 90 CONTENTS ...
Страница 326: ...saue 87 Series 90 Exploded View Parts Drawings 10 Notes CONTENTS ...
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