4.3 Lens
Chapter 4: Removal, Replacement, and Adjustment Procedures
Page 4 - 12 Prima™ Surgical Light Service Manual (man237ra)
8. Remove the screws (H) and the lens (I) from the lighthead housing (J).
Replacement
1. Prepare the new lens (I) for installation as follows:
a. Install new light barrier (K) onto the lens (I).
b. Install the film tape (L) onto the lens (I), eight places, end-to-end.
2. Install the new lens (I) on the lighthead housing (J) with the screws (H).
3. Install the trim ring (F), guide plate (G), mounting plate (E), and screws
(D) to the lighthead core.
4. Install the lamp control assembly (C), and the four tether rods (B) into the
lighthead assembly.
5. Slowly raise the lamp control assembly (C) up to its original mounting
position.
6. Tighten the four tether rods (B) to anchor the lamp control assembly (C).
7. Attach the Hand Control handle (A) to the lighthead assembly and rotate
clockwise.
8. Remove the lockout and out-of-service tags, and set the circuit breaker to
the ON position.