Bose 4.2 Series II User Manual download pdf (Page 5)

5

DISASSEMBLY/ASSEMBLY PROCEDURES

1. Grille Removal

1.1 Reach behind the top part of the grille

and gently lift up on the grille.

1.2 Once the grille has been pulled off of

the four top clips, gently pull the grille away

from the front of the speaker, removing it

from the two clips on the lower part of the

cabinet.

2. Grille Replacement

2.1 Place the top of the grille on the top of

the cabinet so that the four clips on the

grille are aligned with the four grommets on

the cabinet. Press the clips into the grom-

mets so that they snap into place.

2.2 Place the lower part of the grille onto

the front of the cabinet so that the clips on

the grille align with the grommets on the

cabinet. Press the clips into the grommets

so that they snap into place.

3. Woofer Removal

3.1 Perform procedure 1.

3.2 Remove the four screws that secure

the woofer and the dress ring to the cabi-

net. Lift the woofer out from the cabinet.

Note: Reuse the dress ring.

3.3 Cut the wires as close to the woofer

terminals as possible.

Note: Make a note of the wiring configura-

tion.

4. Woofer Replacement

4.1 Strip the wires and connect them to the

woofer. Use the schematic diagrams on

page 7and 8 to ensure proper wiring.

4.2 Replace the four screws that secure

the woofer and the dress ring to the cabi-

net.

Note: The replacement woofer will come

with a dress ring that is not glued to the

woofer. Remove the dress ring from the

replacement woofer and discard it.

5. Tweeter Removal

5.1 Perform procedure 1.

5.2 Perform Procedure 3. It is necessary to

remove the woofer to gain access to the

tweeter's service loop. Removing the

woofer will also prevent accidental damage

to the woofer.

5.3 Remove the screw that secures the

tweeter to the tweeter bracket.

5.4 Cut the wires as close to the tweeter

as possible.

Note: Make a note of the wiring configura-

tion.

6. Tweeter Replacement

6.1 Strip the wires and connect them to the

replacement tweeter. Use the schematic on

page 7 and 8 to ensure proper wiring.

6.2 Replace the screw that secures the

tweeter to the tweeter bracket. Pull the

excess wires back into the cabinet and

twist them so that they do not cause a

buzz.

7. Crossover Access

7.1 Perform procedure 1.

7.2 Remove the top woofer.

7.3 The crossover is located under and in

front of the top woofer.

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