Great Plains TSF660 Operator Manual - Manual (Page 31)

9/1/2009 500-644M
29 Operating Instructions
Locking System
Refer to Figure 10
The TSF660 has a locking system for automatic
boom locking during folding and transport. For
proper folding, the boom-lock cable must be tight
enough that the lock arms just clear their stops
when unfolded and rest secure against the stop
when folded.
Figure 10
Locking System
21760
Lock Arms
Refer to Figure 11
To adjust the tension on the boom-lock cable,
loosen jam nut and turn clevis.
Figure 11
Boom-Lock Cable
21761
Break Away Spring
Refer to Figure 12
Periodically check that break-away springs are
compressed to 5 1/2 inches. Adjust spring by turn-
ing mounting nut under spring.
Figure 12
Break-Away Spring
22952