Knife Drive Box; Mounting Bolts; Removing Knife Drive Box - MacDon D65 Operator's Manual

6.6.9 Knife Drive Box

The knife drive box drives the knife. It is belt driven. The knife drive box converts rotational motion into oscillating
motion to drive the knife.
CAUTION
To avoid personal injury, before servicing machine or opening drive covers, follow procedures in
Section 6.1 Preparation for Servicing, page

Mounting Bolts

Check the four knife drive box mounting bolts (A1, A2)
torque after the first 10 hours operation and every 100
hours thereafter.
1. Tighten knife drive box side bolts (A1) first, then the
bottom bolts (A2). Torque to 200 ft·lbf (271 N m).

Removing Knife Drive Box

Single and Untimed Double Knife
This procedure applies to single and untimed double knife drive box.
NOTE: Procedure is the same for right-hand side
of the untimed double knife header.
1. Open endshield. See
2. Loosen the two bolts (A) that secure the motor
assembly to header endsheet.
3. Loosen the tension on the belt by turning the tensioning
bolt (B) counterclockwise.
169594
MAINTENANCE AND SERVICING
111.
Opening Endshields, page
Figure 6.99: Check mounting bolts
37.
Figure 6.100
169
Rev. C