Trouble shooting – MacDon 4000 Mower Conditioner User Manual

Page 63

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63

TROUBLE SHOOTING

SYMPTOM

PROBLEM

SOLUTION

REF.

Leaving small strip of
flattened, uncut
material.

Ground speed too fast.

Crowding of the uncut
material.

Slow down.

Steer tractor slightly
away from uncut crop.

25

---

Reel position incorrect.

Move reel forward and
down.

27

Knife sections or guards
are worn or broken.

Replace worn or broken
parts.

48

Knife plugging

Extremely thick or wet
undergrowth.

Raise cutting height to
clear undergrowth.

28

Move reel back and
down (close to guards).

27

Cut when undergrowth
is dry.

---

Knife sections or guards
are worn or broken.

Replace worn or broken
parts.

48

Bent or misaligned
guards.

Align guards.

50

Knife hold-downs
improperly adjusted.

Adjust hold-downs so
knife works freely.

50

Knife drive belt too
loose.

Adjust belt tension.

51

Header flotation too
heavy.

Adjust to lighter float
setting.

30

PTO speed too slow.

Maintain 540 RPM on
PTO.

---

Rolls plugging.

Roll gap too large for
proper feeding.

Decrease roll gap.

31

Roll gap too small in
thick stemmed cane-
type crops.

Increase roll gap.

31

Ground speed too fast.

Slow down.

25

Rolls improperly timed.

Adjust roll timing.

55

Over-running clutch
components worn.

Replace friction discs.

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