Great-plains 4000TT Predelivery Manual User Manual download pdf (Page 19)

Great Plains Manufacturing, Inc. Assembly 15

02/11/2014 586-201Q

Purging Hydraulic System

Refer to Figure 12

51. Charge the lift system ﬁrst. Extend the lift cylinders

(black handles) until the center section is fully raise.

Remove the cylinder transport locks and store on lift

mechanism links . Raise and lower the gang system

several times to purge air from system. Watch for leaks

and retighten ﬁttings if necessary.

52. You may now charge the fold system. Before charging

the fold cylinders , make sure the rod end of the cylin-

ders are un-bolted or un-pinned and block is under cylin-

ders as shown, so that when the rod is extended, it will

clear the wing fold brackets. Extend the fold cylinders

(green ends) completely and then close them. Extend

and retract the cylinders several times to purge air from

the system. Now the cylinders may be extended far

enough to be connected to the wing fold brackets.

53. See “The wings will come pre-assembled. Models

1800 and 2400 will be shipped with wings attached.

On models 3000 and 4000, place wing frame assem-

blies on stands next to center frame.” on page 8 and

See “4000 Outer Wing Assembly” on page 9 for hook-

ing up rod end of fold cylinders.

Figure 12

Purging Hydraulic System

41030

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Great-plains 4000TT Predelivery Manual User Manual Page 19