Great Plains PT8030 V1015 Operator Manual - Manual (Page 51)

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Section 6 Options
4/12/05 PT6030 and PT8030 Pull-Type Planter 401-032M-B
Great Plains Mfg., Inc.
17729
Heavy Duty Spring Package
Heavy-duty springs are available to provide more down
pressure on the row unit. Heavy-duty springs provide be-
tween 155 and 245 pounds of down pressure.
To adjust spring down pressure, refer to Down Pressure,
“Adjustments,” page 28.
To order heavy-duty springs for your row units, contact
your Great Plains dealer.
Package Part Number
Heavy-Duty Spring Package 406-006S
Seed-Lok Firming Wheels
The optional spring-loaded Seed-Lok firming wheels
press seed directly into the bottom of the seed bed. The
Seed-Lok option provides more even emergence since
seeds are planted and firmed at the same depth.
To lock up the firming wheels in wet conditions, refer to
Seed-Lok Lock Up, “Adjustments,” page 31.
To order Seed-Lok firming wheels, contact your Great
Plains dealer.
Package Part Number
SEED LOK 98 ROW UNIT 404-093K
17892