Apple PowerBook G4 (12-inch 1.33GHZ Service Manual download pdf (Page 175)

PowerBook G4 (15-inch FW 800_1.5/1.33GHz) Take Apart - 159

Display Clutch

Procedure

Important: Do not remove or loosen screws on the clutches, except in the manner

described below. The clutches are not self-aligning and even a 0.3 mm shift will be

noticeable.

Important: If too much pressure is applied to the bezel, it can be bent out of alignment.

Avoid ﬂexing the bezel.

If transferring clutches to a replacement bezel

Important: Do not remove or loosen screws on the clutches.

1. Remove the two clutch blocks (if installed) on the replacement bezel by removing the

three T8 screws that secure each one. These will not be used.

2. Remove the corresponding three screws for each clutch block on the bezel being

replaced, and transfer them with the clutches intact to the replacement bezel.

If replacing clutches

Important: To maintain factory alignment, remove and replace only one clutch at a time.

Do not touch the screws of the other clutch, so that it maintains its alignment position from

the factory.

When the replacement clutch is installed, place the display back into the bottom case and

secure the clutch that was not removed. Check the replaced clutch for alignment. If

needed, remove the display, adjust the installed clutch, and repeat until properly aligned.

Repeat this procedure for the other clutch, if replacing.

1. Remove the four screws from the display clutch.

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Apple PowerBook G4 (12-inch 1.33GHZ Service Manual Page 175