Landoll 7431 VT Plus User Manual download pdf (Page 83)

OPERATION AND MAINTENANCE

4-15

Disc Blades

1. The 7431 VT Plus is equipped with 22" -6 ga. (.197"),

22" -4 ga. (.256), or 22" -4 ga. (.256) rollable low

concavity disc blades on both front and rear. The use

of other concavity blades can give unpredictable

results and is not recommended.

2. Sharpening – In some cases there is a desire to

sharpen disc blades for improved cutting. There are

several people who roll-sharpen disc blades. Most

disc blades used today are made of chrome-boron

steel. The chrome-boron steel has a higher hardness

than traditional carbon-steel blades for increased

wear. Higher hardness makes roll sharpening more

difficult often with mixed results, and is not covered

by warranty. Disc blade manufacturers will not cover

any alterations to blades other than the place of

manufacture. Results from roll-sharpening damage

may not be immediate, and may take more than a

season to be noticeable. If you choose to sharpen

disc blades, check with local dealers for reputable

experienced sharpeners that will stand behind their

work.



DANGER

Disc blades are extremely sharp. Exercise

extreme care when working on or near disc

blades. Do not allow discs to roll over or fall onto

any bodily part. Do not allow wrenches to slip

when working near disc blades. Never push

wrenches toward disc blades. Do not climb over

machine above disc blades. Failure to stay clear

of disc blade edges can cause serious personal

injury or death.

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Landoll 7431 VT Plus User Manual Page 83