4.7 Transformer
Chapter 4: Removal, Replacement, and Adjustment Procedures
Prima™ Surgical Light Service Manual (man237ra) Page 4 - 27
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9. Using masking tape and marking pen, tag and mark all wires connected to
transformer.
10. Disconnect all wires and harnesses from the transformer (D).
11. Remove the four screws (C) and keps nuts (F) securing the transformer (D)
to the junction/control box (A).
12. Remove the transformer (D) from the junction/control box (A).
Replacement
1. Install the new transformer (D) into the junction/control box (A) and secure
the transformer (D) with four screws (C) and keps nut (F).
2. Connect all wires and harnesses to the transformer (D).
3. Install the P.C. board tray (E) into junction/control box (A).
4. Using four screws (B) and washers (K), secure P.C. board tray (E) into the
junction/control box (A).
5. Thread P.C. board (G) wires through the P.C. board tray (E).
CAUTION:
Observe all ESD precautions when handling P.C. boards.
6. Connect all wires and harnesses to the P.C. board (H).
7. Install the cover (I), 10 screws (H), and washers (J) onto the
junction/control box (A).
8. Remove the lockout and out-of-service tags, and set the circuit breaker to
the ON position.
9. Adjust the lighthead voltage as follows:
a. Turn on the light to the brightest setting.
b. Remove the Control Handle from the lighthead assembly.