MacDon D65 Operator's Manual page 179

NOTE:
The following two steps do not apply to the right site drive.
2. Install the two V-belts (C) and turn adjuster bolt (B) to
tension them. Tension is checked at mid span of the
belts. The belts should deflect 5/32 in. (4 mm) with
12–17 lbf (52–77 N) of force applied to each belt.
NOTE:
Ensure drive motor is fully forward to allow
V-belt's installation.
3. Tighten the two bolts (A) on endsheet.
4. Ensure that knives are timed before tightening belt.
Refer to Adjusting Double Knife Timing, page
5. Slide the idler pulley (A) in the slot on the support
bracket (B) to take up the slack in the timing belt.
NOTE:
Ensure that the lower nut (C) is as high in the slot
as possible.
6. Tighten the nut (D) to 157–173 ft·lbf (212–234 N·m).
7. Tension knife drive belt. Refer to
Knife Drive Belts, page
8. Close endshield. Refer to
38.
9. Reinstall the access panel (A) and secure it with a bolt.
169899
MAINTENANCE AND SERVICING
169.
Tensioning Timed
168.
Closing Endshields, page
Figure 6.82: Knife Drive V-Belts
Figure 6.83: Knife Drive
Figure 6.84: Access Cover
167
Revision A