spider hub. Shifter collar must travel a minimum
3-29. Swing ( jackshaft) Clutch Adjustment
a. Adjustment to Compensate for Lining Wear.
distance of 1/8 inches from released position to
(1) Be sure that swing clutch lever is in neutral
engaged position for proper clutch action. To
position, and that locknuts (fig. 3-26) hold spring (2)
change shifter travel, loosen one and tighten the
compressed to approximately three inches. Check on
other locknut (5) on opposite sides of the trunnion.
both ends of shifter rod for each clutch.
(2) Assure that point A is l/; inch below a
Note. In released position, the shifter collar
straight line between points B and C (with clutch
(3) must rest against the washer (4) on outer end of
Figure 3-27. Swing clutch shoe lining wear adjustment and positioning of hoist drum clutch and brake bands.