MacDon 872 Combine Adapter User Manual
Page 64
64
Adapter Mounting Instructions
for Cat Lexion Combines
PREPARING THE COMBINE
1. Check with Combine dealer to ensure combine is
equipped with tire size, rear ballast etc. to carry
larger headers.
2. Combine must be equipped with reel drive pump.
3. Install pump torque arm support (D) to right side of
combine feeder house using 3/8 x 1-inch flange
head bolts and nuts. Use straight support (D) shown
in photo for models 460/465 and 480/485. Use
offset support (C) shown in illustration below for
models 450/470/475.
4. Remove dust shields (3) from feeder house.
5. Set variable speed header drive at 750 RPM,
measured at shaft (E).
6. Check that auto-contour cylinders on the feeder
house are level and showing about 1-½ 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. Set feeder house lift cylinder springs to match weight
of header.
8. Set feeder house drum to grain position as shown at
right.
C
PUMP SUPPORT ARM (450/470/475 MODELS)
REMOVE BARS – C.A.C. FEEDER
G
INSTALL PUMP SUPPORT ARM
(460/465 AND 480/485 MODELS)
D
E