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Caster stabiliser brakes, Coulter hubs (option), Hopper lid seals – Great Plains NTA3007 Operator Manual User Manual

Page 159: Seasonal

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Great Plains Manufacturing, Inc.

Table of Contents

Index

Maintenance and Lubrication

155

2012-07-02

Table of Contents

Index

166-371M

Caster Stabiliser Brakes

One UHMW brake piston each caster;
2 total.

Replace UHMW piston

if its length is less than

3.2 cm (1

1

4

in). Also replace piston if missing, damaged,

tilted, or top of piston is visible.

To set spring tension:

1.

Loosen the jam nut

. Use a

3

8

in (9.5mm) hex

wrench to back the set screw

out of contact with

spring above the piston

.

2.

Drive the set screw in until it just makes contact with
the spring.

3.

Measure the set screw reveal (length of exposed set
screw) above the hex weldment. Subtract

3

4

in

(19mm).

4.

Drive the set screw in until the reveal matches the
reduced figure. Tighten jam nut.

Use more tension as needed to eliminate caster vibration
during highway transport.

Coulter Hubs (Option)

1 zerk per coulter; 48 or 66 total

Type of Lubrication: Grease
Quantity: Until grease emerges

Note: These zerks only serve the coulter hubs. Coulter

arm pivots are lubricated from the grease banks.

Hopper Lid Seals

1 seal per hopper lid (underneath lid);
1 or 2 per implement.

Inspect seasonally. Inspect if air leaks are detected.
Replace if missing, torn, permanently compressed, or
otherwise damaged. Do not tightly close lids for
extended periods.

Seasonal

3

1

32231

2

1

2

3

1

27067

Seasonal

Seasonal

29341

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