4.6 Rotating Arm
Chapter 4: Removal, Replacement, and Adjustment Procedures
Prima™ Procedural Light Service Manual (man247ra) Page 4 - 17
DRAFT 6/4/99
4
Adjustment
1. Pull the lamp head (J) downward about 20° until the adjusting screw (K) is
visible through the hole in the plastic arm cover (L) (see figure 4-7 on page
4-17).
Figure 4-7. Rotating Arm Tension Adjustment
CAUTION:
Do not overtighten the adjusting screw. Overtightening the adjusting
screw could result in equipment damage.
2. In order to modify the spring tension, use a screwdriver to turn the
adjusting screw (K) as follows:
• If the rotating arm drifts upward after being positioned, turn the
adjusting screw (K) clockwise to decrease the spring tension.
• If the rotating arm drifts downward after being positioned, turn the
adjusting screw (K) counterclockwise to increase the spring tension.