TSE PTV100/72, Owner'S Manual

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Series 90 Minor Repair 9
Orifice / Check Valve
Assembly
Housing Plug
Seal Lock Nut
(seal toward
housing)
O-Ring
Orifice Body
Check Ball
Spring Pin
O-Ring
Seal Lock Nut
(seal toward
housing)
Cross-Section View of
Orifice / Check Valve
Assembly
MV Maximum Displacement Orifice
9.5.4.3 Maximum Displacement Cylinder
Orifice Check Valve
1. Remove the seal lock nut with a 3/4 inch hex
wrench. Remove the maximum displacement cyl-
inder orifice check valve from the motor housing
with a 1/4 inch end wrench. Remove the O-ring.
The check ball in the valve must be free.
2. Reinstall the check valve and torque to 15 Nm (11
ft•lbf). Install a new O-ring. Install the seal lock nut
with the seal toward the motor housing. Hold the
check valve from turning while torquing the
seal lock nut to 34 Nm (25 ft•lbf).
3. If no orifice check valve is installed, the housing
plug may be removed with a 9/16 inch hex wrench.
Always install a new O-ring. Reinstall the plug and
torque to 20 Nm (15 ft•lbf).
90000856
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