4. Remove the sixth mirror as follows:
(1) Slide the sixth mirror [F] to the right.
(2) Push it into the groove [G] at the rear.
(3) Swing the front end to the right.
(4) Pull it towards the front.
(5) Swing the rear end to the left.
(6) Push it towards the rear.
(7) Remove it from the front.
5. Replace the sixth mirror. (While installing a new mirror, do not touch its surface with bare
hands.)
5-3
31 August 1989