Great Plains 4000TC Predelivery Manual - Manual (Page 19)

Great Plains Manufacturing, Inc. Table of Contents Index Assembly 15
07/02/2013 Table of Contents Index 586-239Q
P urging 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 “Bolt may be tightened to specs, See “Torque
Values Chart” on page 23” on page 8 and See “3000
Hydraulic Wing Lift Assembly” on page 10 for hooking
up rod end of fold cylinders.
U
D
F
B
L
R
2
3
4
Figure 12
Purging Hydraulic System
41030
1
4
1
2
3
4
4