MacDon 871 Combine Adapter User Manual

Page 61

INSTALL PUMP SUPPORT ARM

(460/465 AND 480/485 MODELS)

Adapter Mounting Instructions

for Cat Lexion Combines

PREPARING THE ADAPTER (continued)

2. Release spring-loaded pin and push handle (A)

inward to retract lower pins (B). This also
rotates upper latches to raised position.

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
shown in photo for models 460/465 and 480/485.
Use offset support (C) shown in illustration below
for models 450/470.

4. Remove dust shields (3) from feeder house.

5. Set variable speed header drive at 420 RPM.

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.

PUMP SUPPORT ARM (450/470 MODELS)

LOWER PINS RETRACTED

REMOVE BARS – C.A.C. FEEDER