OMA83112: 1890 Central Commodity System , Block File: OUO6023_00016CC_19

Changing Meter Wheels

1. Remove meter door assembly. See REMOVING METER DOOR ASSEMBLY in Operating Machine-Metering section.

2. Remove drive sprocket from end of meter shaft.

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3. Remove cap screws (A), flanges (B), and outer bearings (C).

A-Cap Screws
B-Flanges
C-Bearing

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4. Loosen cap screws (A) on center bearing and flanges.

A-Cap Screws

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NOTE: Be aware of location of center bearing (D), flanges, brass bushings (B), and plastic center bushings (C) for reassembly.

5. Slide meter shaft (A) out end of meter that did not have drive sprocket.

A-Meter Shaft
B-Brass Bushings
C-Plastic Center Bushing
D-Bearing

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6. Replace meter wheels.

a. Pull wear plates with meter wheel (B) from venturi (A).

A-Venturi
B-Meter Wheel and Plates

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NOTE: Wear plates are used between meter roll and meter cup with 32 mm black meter wheel and 32 mm white meter wheel. A thicker plate or spacer is used with 16 mm meter wheel. Orientate plates so plates match bottom profile of cup.

b. Assemble meter wheel and plates with long edge (B) of plates towards meter gate (C).

c. Install meter assembly into venturi (A).

IMPORTANT: All meter wheels must be the same color or inaccurate seeding with occur.

d. Repeat steps A-C on rest of meter.

A-Venturi
B-Long Edge
C-Meter Gate

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NOTE: Drive sprocket end of meter shaft is marked with a V-groove.

NOTE: Turning shaft back and forth while installing helps guide the shaft through the meter wheels.

7. Guide meter shaft (A) back through meter wheels (B), plates/spacers, bushings, flanges, and bearings.

A-Meter Shaft
B-Meter Wheel

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NOTE: Long end of bearing (C) faces meter.

8. Install flange (B) and bearing (C) to end of meter shaft with cap screws (A).

A-Cap Screws
B-Flanges
C-Bearing

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NOTE: Meter shaft should be able to be turned by hand when correctly installed.

NOTE: Rotate meter shaft back and forth when tightening bearing hardware. This will help prevent bearing assemblies from binding.

9. Tighten cap screws (A) slowly.

10. Install washers and cotter pin.

11. Install meter door assembly. See INSTALLING METER DOOR ASSEMBLY in Operating Machine-Metering section.

A-Cap Screws

End Bearing

A51449

Center Bearing

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