Great Plains PT1230 AA1080 Operator Manual User Manual
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Section 5 Maintenance and Lubrication
4/12/05
PT1230 Pull-Type Folding Planter 401-069M-B
Great Plains Mfg., Inc.
Finger Pickup Meter
To inspect and repair finger-pickup meters, remove meter
from hopper, then remove three 1/4-inch bolts (1) on the
meter baffle (2) to gain access to the finger mechanism.
Figure 5-7
Disassemble Finger-Pickup Meter
Rotate meter-input shaft by hand to check the fingers. The
fingers (1) should be against the carrier plate (2) in the
area marked closed in Figure 5-8 and raised in the area
marked open.
Figure 5-8
Inspecting Meter Fingers
Inspect brush for wear. The brush should cover at least
half of a finger tab. Replace brush after every 100 acres of
planter operation.
Clean chaff and debris from meter after every 50 hours of
planter operation. To clean meter, see Figure 5-9.
1.
Remove cotter pin (1), cage nut (2) and adjusting nut
(3) from shaft.
2.
Lift finger assembly (4) off shaft and clean. Replace
worn fingers and springs after 250 to 300 acres of op-
eration. To remove a finger, lift finger out of slot. When
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replacing a finger, place the springs so the open side
of the spring loop faces the inside of the spring hous-
ing.
3.
Inspect carrier plate (5) for seed indentations and
wear. Replace carrier plate when wear affects seeding
accuracy.
Figure 5-9
Disassemble Meter for Cleaning
4.
Reassemble finger housing onto carrier plate. When
reassembling, align notch in finger-housing cam (1)
with notch on bearing housing so finger housing is
flush with the carrier plate. The meter will function im-
properly if notches are not aligned.
Figure 5-10
Meter Reassembly
5.
With finger assembly against carrier plate, tighten ad-
justing nut until it is snug, then turn an additional one-
third turn. Proper torque is 22 to 25 inch-pounds at the
meter-input shaft.Turn meter by hand to make sure
the meter is not over tightened.
6.
Reassemble cage nut and cotter pin. Reassemble
baffle and attach meter to hopper.
Periodically check the meter belt. Refer to Figure 5-11.
1.
Remove four bolts (1) from belt housing (2). Remove
bolt holding the belt roller (3). Remove belt housing.
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IMPORTANT: Check tightness of the adjusting nut
on the meter after the first day of operation and peri-
odically thereafter.