Great Plains YP4425A Operator Manual - Manual (Page 25)

Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 21
2012-02-23 Table of Contents Index 401-805M
Marker Setup
Prior to first use, check and adjust:
• “Dual Marker Speed Adjustment” on page 149.
Prior to first use, and whenever changing row spacings,
set or reset:
• “Marker Extension” on page 150.
Prior to each planting session, check and adjust:
• “Marker Disc Adjustment” on page 59.
Fertilizer Drive Lock Up
Loss of Control and Sharp Object/Crushing Hazards:
Do not lift or lower wheel by spoke or rim; use handle only.
Keep feet out from under wheel. 90 pounds (41 kg) force is
required to lift wheel. If you lose your grip before pinning, or
after unpinning, the arm snaps down rapidly. The traction
teeth and the force of the wheel impact can inflict serious
injury.
The liquid fertilizer option uses a piston pump driven by a
ground contact wheel. When not using the fertilizer drive,
preserve the pump by locking up the ground wheel.
Equipment Damage Risks:
Never operate the pump dry. A continuous supply of fertilizer
or water is required. Dry operation damages the pump.
Refer to Figure 13
5.
Remove clevis pin from storage hole .
6. Release the lock arm , lift handle to lift ground
wheel up to position it in-between lock arm.
7. Secure with pin clevis and cotter pin.
Figure 13
Locked Up Fertilizer Drive
32364
5
7
6
4
4
5 7
6