HP 5890 SERIES II Service Manual page 179

MOUNTING NUT
GROUND
WIRE
CONNECTOR
WIRING
17. Remove the oven fan motor from the instrument.
18. Install the new fan motor and secure using two washers and one nut at each mounting location.
19. Tighten the nuts firmly.
20. Connect the motor wire harness plug to connector receptacle J28 on the AC power board.
21. Connect the motor ground wire to the oven wall and secure using a nut.
22. Install the fan on the motor shaft and position it so its setscrew will seat against the flat portion
of the shaft.
23. Tighten the setscrew.
24. Install the oven heater/fan shroud and secure with four screws.
25. Feed a screwdriver through a hole in the shroud and gently spin the fan.
26. Listen to determine if the fan touches anything while turning.
27. If any noise is heard, open the shroud and repeat steps 4 through 7 and 18 through 22, adjust-
ing the position of the fan on the motor shaft.
28. Replace the panels removed at the beginning of this procedure.
29. Install any columns and associated hardware removed at the beginning of this procedure.
30. Connect any gas supplies disconnected in step 4 of this procedure.
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FAN MOTOR CONNECTOR
RECEPTACLE (J28)
SVC 5- 17