MacDon Industries Ltd.
680 Moray Street, Winnipeg, Manitoba, Canada R3J 3S3
T. (204) 885-5590 f. (204) 895-9146 www.macdon.com
215037
13
Revision B
U&A, Dealer
– C Series
i.
Chopping header – 2-3 mm gap
ii.
Non-chopping headers – 1mm gap
j.
Check vine knife clearance to snapping roll knives for 0.5mm clearance.
i.
See operator’s manual for more detail.
k.
Check gathering chain tension and phasing (Figure 17).
i.
Fully staggered (Figure 17, left), lease aggressive, good conveyance.
ii.
One lug staggered (Figure 17, right), factory
iii.
Fully in-phase (lugs aligned), most aggressive.
l.
Check auger timing.
i.
For center bearing supported augers, flighting should be offset 180 degrees at center to feed
combine smoothly. When paddles/fingers are installed, they should be offset 90 degrees
(Figure 18). Adjust via clocking auger drive chain.
Figure 16: Checking minimum snapping roll knife clearance.
Figure 17: Gathering chains fully staggered, left, or one lug staggered (factory), right.
