MacDon 873 Combine Adapter - Manual (Page 78)

Form # 147069 Issue 09/06 76
1-½” EXPOSED CYLINDER FOR CAC FEEDER
Adapter Mounting Instructions
for Lexion Combines
PREPARING THE COMBINE (continued)
5. Set variable speed header drive at 750 RPM,
measured at shaft (N – shown on previous pages).
6. Check that auto-contour cylinders on the feeder
house are level and showing about 1-1/2 inches
(38 mm) of the cylinder.
NOTE: For CAC feeder houses, remove bars (G)
at float slot, both sides. For non-CAC feeder
houses, bars (G) are required.
7. For non-CAC feeder houses, check that dimension
(E) is 148 mm (5.83”). (Center of bolt head to
center of cradle point.) This dimension may be 103
mm (4.05”). If so, modify header mounts per
Service Bulletin 9943, or order kit B4208 from your
MacDon Dealer.
8. Set feeder house lift cylinder springs to match
weight of header.
9. Set feeder house drum to grain position as shown below.
REMOVE BARS – C.A.C. FEEDER
G
E
DIMENSION E = 148 mm FOR NON CAC