SECTION 8
SERHT50NA A0808 8-5
Figure 8-4
PUMP ASSEMBLY REPLACEMENT
Refer to Figure 9-1 (Internal View).
1. Follow steps 1- 3 in the DISASSEMBLY (Lower Case) section.
2. Disconnect the solenoid two-pin wiring harnesses from the
Main harness by pressing the release tab on each connector.
3. Slide the Muffler Assembly (#13) from the pump inlet by
pushing and twisting it back and forth until it disengages from
the silicone cuff on the pump. After disconnecting the Muffler
Assembly from the pump inlet, rotate it toward the rear panel
of the ventilator housing so that it creates minimal interference
with the removal of the pump.
4. Remove the four (4) #10 torx screws (#28) securing the pump
to the ventilator housing. These screws are located externally
near the Main Flow Outlet Manifold of the ventilator.
5. Remove the 6 pin power supply wiring harness connector from
the Main PCB JP8 by pressing the release tab on the
connector.
6. Remove the two (2) silicone tubes (#38 & 49) from the
Solenoid.
7. Gently slide the Pump Assembly out of the ventilator housing.
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