3. Using a 5 mm internal hex wrench, remove the six adapter plate mounting screws (M90). Remove the
adapter plate and gasket (M11) from the housing. Discard the gasket.
Caution
Protect exposed surfaces and cavities from damage and foreign material.
Inspection
Inspect the orifice installed between the valve and adapter plate. This orifice must be installed in the
case drain passage for proper pressure limiter operation.
Reassembly
1. Install a new gasket (M11) on the housing. Place the adapter plate into position and install the screws
(M90). Torque the screws to 16 N•m [12 lbf•ft].
Caution
Protect exposed surfaces and cavities from damage and foreign material.
Install a sealing washer under the head of any mounting screws that are installed into through holes
in the housing.
2. Install new O-rings (W701A) and the orifice onto the solenoid valve assembly and install the solenoid
valve onto the adapter plate. Install screws (W702). Torque to 5.4 N•m [4 lbf•ft].
Service Manual Series 90 Pumps
Minor repair
64 520L0818 • Rev 0101 • August 2015
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