MacDon 873 Combine Adapter User Manual
Page 58
Form # 147069
Issue 09/06
56
Adapter Mounting Instructions
for Case AFX / New Holland CR & CX Combines
PREPARING THE NEW HOLLAND CR AND CASE AF COMBINE
1. For CR 920/940/960 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. For models with variable speed feeder house
drive, set header output shaft speed to 575 rpm.
4. Adjust front drum height to Small Grains position.
See Combine Operator’s Manual.
5. Adjust feeder house faceplate rearward (towards
the cab) to mid-position. See Combine Operator’s
Manual.
6. Adjust stone ejection roll to raised position. See
Combine Operator’s Manual.
7. New Holland CR – Attach gearbox support (A) to
feeder house with 70 x 140 mm rectangular shim,
3/4 x 2 inch hex head bolt and lock nut. Place
shim between support and feeder housing for
proper fit-up.
ATTACHING ADAPTER TO CR/CX/AFX COMBINE
1. Slowly drive combine up to adapter until feeder
saddle (B) is directly under adapter top cross
member (C).
2. Raise feeder house to lift adapter, ensuring
feeder saddle is properly engaged in adapter
frame. Raise adapter fully.
WARNING: To avoid bodily injury or death
from unexpected start-up or fall of raised
attachment; stop engine, remove key and
engage lift cylinder stop before proceeding
with hook-up.
B
C
ALIGN FEEDER SADDLE UNDER
ADAPTER FRAME – CX SHOWN
A
ATTACH GEARBOX SUPPORT
NEW HOLLAND CR
A