Great Plains 3000TM Predelivery Manual - Manual (Page 19)

Great Plains Manufacturing, Inc. Assembly 15
03/19/2014 586-536Q
Purging Hydraulic System 3000
Refer to Figure 16
55. Charge the lift system first. Extend the lift cylinders
(black handles) until the center section is fully raised.
Remove the cylinder transport locks
and store on lift
straps . Raise and lower the lift system several times to
purge air from system. Retract and extend the gang sys-
tem
(Red Handles) several times to purge air from sys-
tem. Watch for leaks and retighten fittings if necessary.
56. You may now charge the fold system. Before charging the
fold cylinders , make sure the rod end of the cylinders
(are un-bolted or un-pinned and block is placed under cyl-
inders 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.
57. Now the rod end of fold cylinders may be hooked up to
wing with the 1 x 3 1/8 usable pin , 1.5 x 1.0 x.075
machine washer and 3/16 x 2 cotter pin. Bend cotter pin
over to secure.
Figure 16
Purging Hyd. System 3000
42278
6
5
3
1
4
2
2
1
2
3
4
5
5
5
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