2cutting action and knife components, Cutting action and knife components, 2 cutting action and knife components – MacDon D65 SP DHOM User Manual

Page 259

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TROUBLESHOOTING

7.2

Cutting Action and Knife Components

Symptom

Problem

Solution

Section

Knife hold-downs not
adjusted properly.

Adjust hold-downs.

Checking Knife
Hold-Downs, page 149

Knife sections or guards
are worn or broken.

Replace all worn and
broken cutting parts.

6.5 Knife, page 140

Knife is not operating at
recommended speed.

Check engine speed of
windrower.

Refer to your windrower
operator’s manual

Ground speed too fast for
reel speed.

Reduce ground speed or
increase reel speed.

4.7.5 Ground Speed, page
57
4.7.4 Reel Speed, page 56

Reel fingers not lifting crop
properly ahead of knife.

Adjust reel position / finger
pitch.

4.7.9 Reel Fore-Aft
Position, page 58
4.7.10 Reel Tine Pitch,
page 65

Cutterbar too high.

Lower cutting height.

4.7.1 Cutting Height, page
50

Header angle too flat.

Steepen header angle.

Controlling Header Angle,
page 56

Bent knife, causing binding
of cutting parts.

Straighten a bent knife.
Align guards.

Cutting edge of guards not
close enough, or parallel to
knife sections.

Align guards.

6.5.7 Knife Guards, page
144

Tangled / tough to cut crop.

Install stub guards.

6.5.7 Knife Guards, page
144
8.2.3 Stub Guard
Conversion Kit, page
262

See your MacDon Dealer

Reel too far back.

Move reel forward.

4.7.9 Reel Fore-Aft
Position, page 58

Ragged or uneven
cutting of crop

Loose knife drive belt.

Adjust drive belt tension.

Tensioning Non-Timed
Knife Drive Belts, page 163

or

Tensioning Timed Knife

Drive Belts, page 168

169899

247

Revision A

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