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Adjusting End Play in the Horizontal Shaft
When turning the balance wheel by hand, it should rotate without the
slightest drag and, at the same time, without unnecessary end play. If the
clamp stop motion bushing (O10, fig. 10) is set too tightly against the clamp
stop motion bushing bearing (Z10, Fig. 10), it will cause binding of the shaft
instead of permitting it to rotate freely.
Fig. 10
To adjust end play, remove the clamp motion nut, balance wheel, and clamp
motion washer. Slightly loosen the set screw (P10, Fig. 10). If the shaft is
binding, place a wooden dowel on the end of the shaft (N10) and tap lightly
with a hammer or wood block. If too much end play exists in the shaft, tap the
bushing (O10) with a wood block to move the bushing closer to the bearing
(Z10). Tighten the set screw (P10) and reinstall the balance wheel, clamp
motion washer, and balance wheel.
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