TSE DPT60, Owner'S Manual

Page: 304 / 459

75
Series 90 Minor Repair
MV Control Supply Orifice
MV Minimum Displacement Orifice
90000855E
90000854E
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 1-1/16 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 housing
and torque to 37 Nm (27 lbf•ft).
Caution
Do not interchange the control supply orifice (previous
section) with the minimum displacement orifice.
S000 028E
Caution
Do not interchange the control supply orifice with the
minimum displacement orifice (next section).
S000 027E
Variable Motor Control Orifices
Control Supply Orifice
1. Remove the control supply orifice from the motor
housing with an 1-1/16 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 housing
and torque to 37 Nm (27 lbf•ft).
Control Suply Orifice
O-ring
Backup Washer
Backup Washer
O-ring
Screen (pressed in)
Orifice Body
Screen
(pressed in)
Cross-section View of
Control Supply Orifice Assembly
O-ring
O-ring
Backup Washer
Backup Washer
Orifice / Check Valve
Assembly
O-ring
O-ring
Backup Washer
Backup Washer
Orifice
Orifice Body
Kugel
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