Great Plains 3PYPA Predelivery Manual - Manual (Page 45)

2012-08-08 Table of Contents Index 401-647Q
Great Plains Manufacturing, Inc. Table of Contents Index 41
Tractor Steering
Integration of tractor steering and planter steering is
required. The tractor must be a model listed under
“Compatible Tractors” on page 5, and must meet the
requirements listed under Specifications and Capacities,
“Appendix A - Reference Information” on page 64.
If the tractor is not have one of the brands and models
listed, consult your Great Plains dealer. At time of
publication, this 3PYPA planter steering system is not
compatible with articulated tractors.
Seed cart steering is hydraulically controlled to match
steering of the tractor based on data from a steering
sensor.
There are five sensor data configurations. All require
some optional hardware. See table below.
Install Switchbox
Refer to Figure 70
The switchbox
is used in all sensor configurations.
4. Select one:
833-437C SWITCH CAB
Mount the switchbox in any convenient location
that allows easy access to switches in the field,
observation of fault indications, and does not
obstruct safe operation of the tractor. Set the
STEER switch to Off.
5. Connect the battery power leads to an
unswitched 12Vdc source. Red+, Black-.
6. Route the main harness to the hitch, where it
mates with the Steering ECU harness from the
planter.
The next step depends on the tractor steering signal
source:
• For a Great Plains linear sensor, continue at “Install
GP Linear Sensor” on page 42.
• For a tractor ISObus signal source, or native tractor
steering sensor, continue at “Install Electronic
Module” on page 51.
Steering Signal Source Requires Description
Great Plains linear sensor
a
401-748A LINEAR STEERING SENSOR OPT
Tractor ISObus data 401-747A HARNESS ASY STEER SNSR ADAPTOR
Case IH
®
tractor steering sensor 401-747A
833-544C HARNESS ASY STEER SNSR ADAPTOR
HARNESS CNH WHEEL ANGLE SENSOR WHEEL TYPE
John Deere
®
tracked tractor steering sensor 401-747A
833-546C HARNESS ASY STEER SNSR ADAPTOR
HARNESS JD WHEEL ANGLE SENSOR TRACK TYPE
John Deere
®
wheeled tractor steering sensor 401-747A
833-548C HARNESS ASY STEER SNSR ADAPTOR
HARNESS JD WHEEL ANGLE SENSOR WHEEL TYPE
a. Additional tractor-specific mounting hardware is included with the standard planter.
Figure 70 833-437C
Steering Switch Box & Harness
31783
Lead Function
Ring tongue terminals: 12Vdc Battery Power in
10-pin: Steering Harness to Hitch
3-pin: normalized PWM steering sensor input
(from linear sensor or electronic module)
3-pin (2 used): Power out to harness
70b
70h
70s
70p 74p
70
70s
70h
70b
70p
70
70
70
70b
70h