Great Plains Case Drain & Motor Return Tractor Connection Guide - Manual (Page 38)

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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
900 Vario Series
Com 3
All North American Com 3 tractors have case
drain and motor return couplers installed from
the factory. These couplers are compatible
with the couplers supplied from Great Plains.
However, the motor return coupler installed on
the tractor from the factory is male. Remove
the male coupler from the motor return hose
on the planter. Then install a 3/4” body size
ISO 7241-1 Series A female coupler supplied
with the planter or drill.
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.
Motor
Return
Case
Drain