Great Plains 1625AHL Operator Manual - Manual (Page 27)

Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 23
2014-04-21 Table of Contents Index 411-020M
For speed setup, Great Plains recommends using the
122 m (400-foot) speed calibration described in the
DICKEY-john
®
manual. Perform the calibration run in
representative field conditions, as soil conditions, surface
looseness and other tillage practices can cause
variations in the effective rolling radius of the ground
drive wheel.
Prior to each planting session, set any desired limits for
speed and population for the current crop.
Marker Setup (Option)
Prior to first use, check and adjust:
• “Dual Marker Speed Adjustment” on page 68.
Prior to first use, and whenever changing row spacings,
set or reset:
• “Marker Extension” on page 161.
Prior to each planting session, check and adjust:
• “Marker Disk Adjustment” on page 68.