TSE DPT60, Owner'S Manual

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69
Series 90 Minor Repair
3-Position Electric Control Components
90000362
3-Position (FNR) Electric Control
1. Thoroughly clean external surfaces prior to removal
of control.
2. Using a 4 mm internal hex wrench, remove the four
solenoid valve mounting screws. Remove the sole-
noid valve (with O-rings and orifice) from the adapter
plate.
3. Using a 5 mm internal hex wrench, remove the eight
adapter plate mounting screws. Remove the adapter
plate and gasket from housing.
Underside of an HDC/EDC Module Showing Orifice
Locations
90000849E
P
B
A
TB
TA
Orifice Check Valve
Orifice Plugs
Displacement Control Components
Displacement Control Orifices
1. Remove the control assembly as described in the
instructions for the specific displacement control.
2. Orifice plugs may be located in the control assembly,
at the pump housing face surface. Remove the
orifice plugs with a 4 mm internal hex wrench. Note
the location of each plug, do not interchange plugs.
Torque the orifice plugs to 3 Nm (26 lbf•in).
3. Assemble the control onto the pump. Refer to the
instructions for the specific control.
NOTE
A sealing washer must be installed under the head of
any mounting screws that are installed into „thru“
holes in the housing.
S000 023E
Caution
Protect exposed surfaces and cavities from damage
and foreign material.
S000 022E
4. Inspect the orifice installed between the valve and
adapter plate. This orifice MUST be installed in the
case drain passage for proper pressure limiter op-
eration.
5. In preparation for installing the adapter plate, place a
new gasket on the housing. Place the adapter plate
into position and install the screws. Torque the
screws to 16 Nm (12 lbf•ft).
6. Install new O-rings and the orifice onto the solenoid
valve assembly and install the solenoid valve onto
the adapter plate. Install the screws and torque to
5.4 Nm (48 lbf•in).