O. Heater strut assembly
Procedure
1. Loosen screw (1) and slide locking clip (2) away from cover. Retighten screw (1).
2. With two hands or a strap wrench, turn the cover (3) counterclockwise to loosen.
Unthread and remove the cover.
3. Inspect the cover O-ring (4) for wear or damage. Replace the cover O-ring if
damaged.
4. Unsnap terminal marking plates (5) and remove terminal insulator (6).
Remove O
2
cell and heater strut assembly
Follow the steps below to remove the O
2
cell and heater strut assembly from the OCX
8800.
Refer to Figure 9-5.
Procedure
1. Remove reference air tube (7) from sensor housing (8).
2. See Figure 9-6. Disconnect and tag O
2
heater wires, O
2
cell and return wires, and
thermocouple wires at the sensor housing terminals.
Maintenance and service
218 OCX 8800
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