Fluke 8842a instruction manual Reassembly Procedure

Maintenance 6

REASSEMBLY PROCEDURE

NOTE

When installing the Main PCA, guide the rear ribbon cable around the shield connected to the rear panel so that the cable is next to the side of the chassis. Make certain that the cable is not pinched between the shield and the Main PCA.

a.Slide the Main PCA toward the rear panel, and position the power connector and fuse to fit through their respective openings in the rear panel.

b.Reinstall the white lead in the 2A INPUT tower and reinstall the 2A fuse in the front panel.

c.Make sure the six plastic latch heads are extended. Lower the Main PCA into position on the chassis and guide the six plastic latches into the circuit board supports on the chassis. Press the latch heads to lock the board in the chassis. Refer to Figure 6-6L. 4. Install one side of the Main Shield; bow it to install the the other side, and secure it to the Main PCA with the retaining screw. 5. Place the transformer bracket back into position and fasten down with the two screws.

6.Replace the push rod for the POWER switch as follows:

a.Insert the button end of the push rod into the rear of the front panel.

b.While supporting the opposite side of the plunger with your finger, snap the other end of the push rod onto the POWER switch plunger. Refer to Figure 6-6J.

7.Set the chassis right side up.

8.Insert the FRONT/REAR switch push rod through the front panel and snap it into place.

9.Reinstall the CAL ENABLE switch push rod by inserting the cylindrical end of the push rod into the rear of the front panel, then snapping it onto the CAL ENABLE switch plunger.

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