4header and drapers, Header and drapers, 4 header and drapers – MacDon D65 SP DHOM User Manual

Page 264

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TROUBLESHOOTING

7.4

Header and Drapers

Symptom

Problem

Solution

Section

Header lift insufficient

Low relief pressure

Increase relief pressure.

See your MacDon Dealer

Speed control set too low

Increase control setting.

4.7.6 Draper Speed, page
57

Relief pressure too low

Increase relief pressure to
recommended setting.

See your MacDon Dealer

Windrower header drive
too slow

Adjust to correct speed for
windrower model.

Refer to the windrower
operator’s manual

Worn out gear pump

Replace pump.

See your MacDon Dealer

Insufficient draper
speed

Pressure compensator
(V7) set too low

Adjust to increase setting.

Refer to your windrower
operator’s manual

Drapers are loose

Tighten drapers.

Drive or idler roller
wrapped with material

Loosen draper and clean
rollers.

Slat or connector bar
jammed by frame or
material

Loosen draper and clear
obstruction.

6.7.3 Adjusting Draper
Tension, page 178

Roller bearing seized

Replace.

6.7.8 Draper Roller
Maintenance, page 188

Low hydraulic oil

Fill windrower reservoir to
full level.

Refer to the windrower
technical manual

Draper will not move

Incorrect relief setting at
flow control valve

Adjust relief setting.

See your MacDon Dealer

Refer to the windrower
technical manual

Lower reel.

4.7.8 Reel Height, page
58

Draper stalling

Material not feeding
evenly off knife

Install stub guards.

See your MacDon Dealer,

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

Header angle too low

Increase header angle.

Controlling Header Angle,
page 56

Increase side draper
speed.

4.7.6 Draper Speed, page
57

Install upper cross auger.

8.4.10 Upper Cross Auger
(UCA), page 268

Hesitation in flow of
bulky crop

Material overload on
drapers

Add flighting extensions.

See your MacDon Dealer

169899

252

Revision A

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