MacDon 5020 Operator's Manual page 67

Power tongue windrower
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SYMPTOM
Leaving small strip of
flattened, uncut
material.
Sickle plugging
Header turns while
unloaded but slows or
stops when starting to
cut.
(* - See your Dealer)
Form # 147008
TROUBLE SHOOTING
PROBLEM
Ground speed too fast.
Crowding of the uncut
material.
Reel position incorrect.
Sickle sections or
guards are worn or
broken.
Extremely thick or wet
undergrowth.
Sickle sections or
guards are worn or
broken.
Bent or misaligned
guards.
Sickle hold-downs
improperly adjusted.
Sickle drive belt too
loose.
Header flotation too
heavy.
PTO speed too slow.
Cold oil in system.
Low reservoir oil level.
Defective O-ring inside
relief valve.
Defective relief valve.
Defective motor
Defective pump.
PTO slipping on tractor.
65
SOLUTION
Slow down.
Steer tractor slightly
away from uncut crop.
Move reel forward and
down.
Replace worn or broken
parts.
Raise cutting height to
clear undergrowth.
Move reel back and
down (close to guards).
Cut when undergrowth
is dry.
Replace worn or broken
parts.
Align guards.
Adjust hold-downs so
sickle works freely.
Adjust belt tension.
Adjust to lighter float
setting.
Maintain proper RPM on
PTO. Check for proper
match of pump & gear-
drive at PTO.
Reduce ground speed
until oil reaches
operating temperature.
Add oil to reservoir.
Replace relief valve.
Repair relief valve.
Repair motor.
Repair pump.
Repair tractor PTO
system.
REF.
26
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28
47
29
28
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47
49
49
50
31
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46
26
45
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Issue 12/05

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