Installing timed drive v-belts, Removing timed knife drive belt – MacDon D65 SP DHOM User Manual
Page 177
Installing Timed Drive V-Belts
NOTE:
New belts must be installed as a matched pair. Never pry
belt over pulley. Be sure drive motor is fully forward.
1.
Install V-belts (C) onto pulleys.
IMPORTANT:
To prolong belt and drive life, do NOT overtighten belt.
2.
Turn adjuster bolt (B) to tighten belts. The belts should
deflect 5/32 in.
(4 mm) with 12–17 lbf (52–77 N)
of force applied to each belt at mid-span when
properly tensioned.
3.
Tighten the two bolts (A).
4.
Close endshield. Refer to
5.
Check tension of new belts after a short run-in period
(about 5 hours).
Figure 6.77: Knife Drive V-Belts
Removing Timed Knife Drive Belt
This procedure is applicable to the knife drive on both left and right sides.
1.
Open endshield. Refer to
2.
Loosen two nuts (A) on belt idler bracket to relieve
tension on belt.
3.
Loosen nut (B) on idler pulley and slide idler down to
loosen belt.
Figure 6.78: Knife Drive
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Revision A