OPERATION
Adjusting Side Draper Speed
The side drapers carry the cut crop to the adapter feed draper which then feeds it into the combine. The s peed is
adjustable to suit crops and crop conditions.
The side drapers (A) are driven by hydraulic motors from a
pump whic h is p owered by the combine feede r ho use drive
through a gearbox on the adapter. A flow control valve on
the adapter regulates the flow to the draper motors to set
the speed.
Figure 3.5
8: Side Drapers
The flow co
ntrol (A) has values 0–9 on the barrel, that
lineupwi
th a notch on the hydraulic compartment cover
to ind ica
te the draper speed. The draper speed control is
factory-
set to ‘6’ which should satisfy normal crop feeding.
To chang
e the draper speed, shut down the combine, and
adjust t
he control by simply rotating the dial.
Refer to
one of the following for recommended draper
speed se
ttings:
• 3.6.2 H
eader Settings, page 44
• 3.6.3 O
ptimizing Header for Straight Combining Canola,
page 48
NOTE:
Insufficient draper speed may be caused by low relief
pressure. See your MacDon Dealer for checking and
adjusting relief pressure in the C A25 hyd ra ulics.
Figure 3.59: Flow Control Valve
147695 70 Revision A
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