DR Power Backhoe 2008 - Manual (Page 33)

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Hitch Coupler Adjustment Check
1. Place the proper size ball in the socket of the
coupler and close the latch assembly (Figure 34).
Verify that the locking trigger is properly engaged
in its detent.
2. Pull on the ball and/or coupler, trying to remove
the ball from the socket. If the ball moves more
than 1/16" in the coupler’s socket, the clamp
requires adjustment. Follow the proper
adjustment procedure in the following steps.
Hitch Coupler Adjustment
1. With the proper size ball in the socket of the hitch
coupler, close the latch of the coupler completely
(Figure 35). Verify that the locking trigger is properly
engaged in its detent.
2. Tighten the lock nut on the underside of the coupler
until the spring between the nut and the clamp is
fully compressed. Then back off the lock nut 1/2 turn
or just enough that the latch is able to clamp and
unclamp from the ball.
Figure 35
Lock Nut
Ball Clamp
Spring
Figure 34
Pull
Locking
Trigger
1/16"
Movement