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ADJUSTMENT
HOLE
YOKE
B
2-3. Model 7 Lighthead Roll Adjustment
a. Check the roll axis tension of the model 7
lighthead by moving it through its full 360° range of
travel. See figure 2-4.
Figure 2-4. Model 7 Lighthead Roll
b. The lighthead should move freely yet main-
tain its position without drifting. If the lighthead
drifts, refer to figure 2-5 and proceed as follows:
c. Rotate the yoke until an allen set screw is
visible through the adjustment hole and loosen the
set screw.
Figure 2-5. Model 7 Roll Adjustment
d. Continue to rotate the yoke until a 5mm hole
is visible through the hole. Insert a pin punch into
the hole in the adjustment nut.
e. With the tension nut held captive with the pin
punch, rotate the yoke clockwise (viewed from the
front) to increase the friction and counterclockwise
to decrease the friction.
f. Remove pin punch and check the lighthead for
proper tension. Repeat adjustment procedure if
necessary. After the adjustment is correct, be sure
to tighten the set screw
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