Appendix a - installation, Before you start, Compatible planters – Great Plains PTO Kits Single-Section User Manual
Page 29: Fan motor compatibility

2014-06-16
401-885M
Great Plains Manufacturing, Inc.
25
Appendix A - Installation
Before You Start
Most accidents are the result of negligence and
carelessness, usually caused by failure of the installer to
follow simple but necessary safety precautions. Allow no
one to install the Air-Pro
®
PTO pump before carefully
reading this manual.
Fasteners may be loosely assembled. Remove them
before mounting the component. Due to evolving
manufacturing practices, sub-assemblies may already be
completely pre-assembled. If so, check that fasteners are
tight, and skip the unneeded assembly steps.
Compatible Planters
One PTO pump kit is always required. Older planters
may also require a fan update kit. Each kit updates one
planter.
Fan Motor Compatibility
The YP425/625/825A/3P Single-Section PTO Pumps
kits require a 2-port fan hydraulic motor (having no case
drain). Older planters, having 3-port fan hydraulic motors
(with a case drain) cannot install a PTO kit unless the fan
is updated.
Check the planter serial number, or inspect the fan.
Planters manufactured with 3-port fans are:
If the planter has a 3-port/case-drain fan motor, order
one fan update kit:
Instructions for installing this kit are merged with the
instructions for the Single-Section PTO Pumps kits.
Planter Model
Serial Number or Lower
2025A
(fan update never required)
a
a. PTO kit for this model is compatible with a 3-port fan.
2525A
(fan update never required)
YP425A
B1008N
YP425A3P
B1004M
YP625A
B1043Q
YP625A3P
B1006P
YP825A
B1014S
YP825A3P
B1007R
YP825AR
(fan update never required)
Kit
Part Number
YP4,6,8 FAN UPDATE
401-956A
3
Figure 21:
Top: Older 3-Port Fan Motor
Bottom: Current 2-Port Motor
29781
31754
A Port
B Port
2