HEADER AND DRAPERS. MacDon D50 & D60

SECTION 9. TROUBLESHOOTING

Header Lift Insufficient.

Insufficient Draper Speed.

Draper Will Not Drive.

Draper Stalling.

Hesitation In Flow Of Bulky

Crop.

Drapers Back-Feed.

Low relief pressure.

Speed control set too low.

Increase relief pressure.

Increase control setting.

**

7.12.6

Relief pressure too low.

Windrower header drive too slow.

Worn out gear pump.

Pressure compensator (V7) set too low.

Drapers are loose.

Drive or idler roller wrapped with material.

Slat or connector bar jammed by frame or material.

Roller bearing seized.

Increase relief pressure to recommended setting.

Adjust to correct speed for windrower model.

Replace pump.

Adjust to increase setting.

Tighten drapers.

Loosen draper and clean rollers.

Loosen draper and clear obstruction.

Low hydraulic oil.

Replace.

Fill windrower reservoir to full level.

Incorrect relief setting at flow control valve.

Adjust relief setting.

Material not feeding evenly off sickle.

Header angle too flat.

Material overload on drapers.

***

**

***

**

8.8.1

8.8.5.5

**

***

Lower reel.

Install stub guards.

Steepen header angle.

Increase side draper speed.

Install upper cross auger.

Add flighting extensions.

7.12.8

* & 8.7.6 &

10.3

7.12.3

7.12.6

10.8

*

Drapers running too slow in heavy crop.

Increase draper speed.

7.12.6

Drapers running too fast in light crop.

Reduce draper speed.

Crop Is Thrown Across

Opening And Under

Opposite Side Draper.

Material Accumulates Inside

Or Under Front Edge Of

Draper.

Deck height improperly adjusted.

Material Wrapping At Upper

Cross Auger Beater Bars.

Crop conditions do not require beater bars.

Adjust deck height.

Remove beater bars.

8.8.6

7.20

* See your MacDon dealer.

** Refer to Windrower Operator’s Manual.

*** Refer to Windrower Technical Service Manual.

Form 169441

147

Revision B