3-25. Swing (Jackshaft) Clutch Adjustment
collar must travel a minimum
a. Adjustment to compensate for Lining Wear.
distance of 1 1/8 inches from
(1) Be sure that swing clutch lever is in
neutral position, and that locknuts (fig. 3-18) hold spring
position for proper clutch action. To
(2) compressed to approximately three inches. Check
change shifter travel, loosen one and
on both ends of shifter rod for each swing clutch.
tighten the other locknut (5) on
opposite sides of the trunnion.
In released position, the shifter collar
(2) Assure that point A is 1/4 inch below a
(3) must rest against the washer (4)
straight line between points B and C (with clutch
on outer end of spider hub. Shifter
engaged). Be sure that setscrew (6) prevents
Figure 3-19. Swing clutch shoe lining wear adjustment and positioning of hoist drum clutch and brake bands.