HP 5890 SERIES II Service Manual page 298

When disconnecting a plug, pull on the plug not on its wires. Pulling on the wires may
cause breakage.
9. Disconnect push- on type connectors J1 and J2 (from blade connectors P1 and P2, respective-
ly) by grasping each one and pulling it straight off of its terminal.
10. Use a 7- mm nut driver to remove the nut securing the power cable ground lead to the AC
power supply base.
11. Remove the power cable ground lead from the
stud on the AC power supply base.
12. Use a large pair of pliers to compress the black
plastic strain relief which secures the power
cable to the AC power supply base.
13. With the strain relief compressed, pull the pow-
er cable out of the opening in the AC power
supply base.
14. Remove the strain relief from the power cable.
15. Install the strain relief on the replacement pow-
er cable.
16. Compress the strain relief with a large pair of pliers.
17. With the strain relief compressed, insert the power cable through the opening in the power sup-
ply base and seat the strain relief in the opening.
18. Install the power cable ground lead on the stud on the AC power supply base and secure with
a locking nut.
19. Connect power cord lead push- on- type connectors J1 (WHITE lead) and J2 (BLACK lead) to
their appropriate connectors on the AC power supply PCB.
20. Install the dual duct assembly on the installed mounting screw.
21. Install the upper mounting nut to secure the dual duct assembly to the outer oven shell.
22. Tighten the upper mounting nut using a 7- mm nut driver.
23. Tighten the lower mounting screw using a Pozidriv screwdriver.
24. Slide the rear cover on to the instrument.
25. Secure the rear cover to the instrument by installing and tightening four screws.
26. Restore all gas supplies.
27. Restore power to the instrument.
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SVC 11- 12
CONNECTOR P10
CONNECTOR P10
GROUND
CONNECTOR
STRAIN
RELIEF
POWER CORD