Great Plains Case Drain & Motor Return Tractor Connection Guide User Manual
Page 21

page 11 of 28
Great Plains Manufacturing reserves the right to make changes or to add improvements to this guide at any time without notice or obligation.
ba082710 r3
CDMR 08/27/10
9030 Series High Flow
(With 3pt Hitch)
Case
Drain
Motor
Return
Motor
Return
IMPORTANT:
ALWAYS connect case drain first,
motor return second, then pressure line to prevent
motor damage. ALWAYS disconnect pressure
line first, motor return second, then case drain last
to prevent motor damage.
1-1/16-12
FJIC
1-1/16-12
MORB
Case Drain
If the tractor is not equipped with a 3/8” body
size ISO 16028 zero pressure female flat face
case drain coupler, then order and install John
Deere case drain kit part number RE218665.
Motor Return
If the tractor is not equipped with a 3/4” body
size ISO 7241-1 Series A female motor return
coupler, then order and install the following
parts:
Eaton Aeroquip P/N GG108-NP12-22
Parker P/N 12M22F8OMXS
Eaton Aeroquip P/N 2266-12-12
Parker P/N 12F65OMXS
connected to fan
motor return hose
from Great Plains
M22 x 1.5
MORB
1-1/16-12
MJIC
}
supplied with Great Plains
planters and air drills
(p/n 811-069C)
}
connect to tractor
Late Production
NOTE: Two possible motor return port
locations are shown.
Case
Drain
Motor
Return
Motor
Return
Early Production
NOTE: Two possible motor return port
locations are shown.