MacDon D1X Series, Operator'S Manual, Page: 141 / 274

MAINTENANCE AND SERVICING
5.6 Knife Drive System
5.6.1 Knife Drive Box
CAUTION
To avoid personal injury, before servicing machine or opening drive covers, refer to 5.1 Preparing Machine
for Servicing, page 97 .
Double-knife headers have a knife drive box at each end.
Knife drive boxes are belt driven by a hydraulic motor, and
convert rotational motion into the reciprocating motion of
the knife.
Figure 5.42: Left Side Knife Drive Box Shown –
Right Side Similar
Checking Mounting Bolts
Check the torque on the four knife drive box mounting
bolts (A) and (B) after the
fi rst 10 hours operation and
every 100 hours thereafter.
1. Torque the side bolts (A) fi rst, then torque the bottom
bolts (B). Torque all bolts to 271 N · m (200 ft · lbf).
Figure 5.43: Knife Drive Box
Removing Knife Drive Box
WARNING
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
before making adjustments to machine.
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