Secondary Mirrors

(c) Lift the access door off the hinge.

(2) Replacement. Replace the access door by reversing the

procedures in (1) above.

e. Secondary Mirrors (fig. 4.1). The following procedures

apply to each secondary mirror (left, right, and rear) :

(1) Removal.

(a) Remove the six mounting screws and speed nuts (not

shown) that hold the mirror in its mounting.

(b) Slide the secondary mirror out of its mounting.

(2) Replacement. Replace the secondary mirror by revers-

ing the procedures in (1) above.

f. Front Surface Mirror Frame Assembly and Front Surface

Mirror.

(1) Removal of front surface mirror frame assembly.

(a) Remove the lens tube and lens mount (par. 44 a(1) and

b(1).

(b) Replace the projector on its back.

(c) Remove the three hole plugs (fig.8.1).

(d) Turn the three mirror adjusting nuts to the left

(counterclockwise) until the front surface mirror

frame assembly is free.

(e) Lift the front surface mirror frame assembly out of

the projector housing.

(2) Replacement of front surface mirror frame assembly.

(a) Reverse the procedures in (1) above.

(b) Adjust the front surface mirror (par. 49 a).

(3) Removal of front surface mirror.

(a) Remove the lens tube and lens mount (par. 44 a (1)

and b(l)).

(b) Place the projector on its back.

(d) Slide the mirror retaining strip away from the front

surface mirror.

(e) Carefully lift the front surface mirror out of the

projector.

Caution: Do not touch the front reflecting surface

of the front surface mirror with the hands or allow

tools or coarse cloth to come into contact with it. The

reflecting surface is delicate and is easily scratched or

marred.

(4) Replacement of front surface mirror. Replace the front

surface mirror by reversing the procedures in (3) above.

g. Projection Lamp Socket.

(1) Removal.

(a) Remove the projection lamp (b (1) above).