MacDon 873 Combine Adapter User Manual

Page 57

Form # 147069

Issue 09/06

Adapter Mounting Instructions

for Case AFX / New Holland CR & CX Combines

PREPARING THE CX COMBINE

1. For all CX model combines, check with Combine dealer to ensure combine is equipped with tire size, rear

ballast etc. to carry larger headers.

NOTE: CR 920/940 require 70 mm cylinders (NH kit 84060212) to lift 36’ & 39’ 973 & 36’ 974 headers.

2. Feeding may be improved by removing dust shields and moving drum towards feeder house. See page 45

for all necessary adjustments.

3. Install feeder plate extension (G). Move feeder bottom shaft to the

front hole (Cereal Position) (H).

4. Adjust the bottom shaft float to 3-1/2 inch (90mm). Adjust the feeder

chain tension according to the gauge on the spring. (Fig. B)

5. For models with variable speed feeder house drive, set header

output shaft speed to 575 rpm.

6. Attach gearbox support (A) and clamp (D) to

feeder house with two 3/8 x 1-1/4 inch carriage

bolts and flange nuts as shown.

7. If equipped adjust feeder house faceplate

rearward approximately 3/4 of the way back using

adjusting nuts (J).

ATTACH GEARBOX SUPPORT – CX