Great Plains 1500TM Assembly Manual - Manual (Page 17)

Great Plains Manufacturing, Inc. Assembly 13
12/12/2013 586-535Q-ENG
Purging Lift System
Note: When lift hoses are routed and hooked up to cylinders
and valves the systems will need purged of air. Purging
the lift system now will allow the machine to be raised
up or down for ease of gang assembly installation.
Refer to Figure 12
42. Charge the lift system first. Extend the lift cylinders
(black handles) until the center section is fully raised.
Remove the 3/8 x 3 transport lock pins
from transport
locks and store on lift straps . Raise and lower the lift
system several times to purge air from system. Watch for
leaks and retighten fittings if necessary.
43. The gang angle system may not be purged until after
hoses and valves are hooked up when gang assemblies
and cylinders are installed, See “Gang Cylinder Purg-
ing” on page 18 for purging gang system.
2
U
D
F
B
L
R
3
Figure 12
Purging Lift System
42981
3
1
1
3
4
1
2
3 4