Oliver 4430, Owner'S Manual, Page: 41 / 65

4430 Planer OLIVERMACHINERY.NET 41 | Page
Adjust Belt Tension
CAUTION: Belt and pulleys may be hot
after operations. Allow components to cool
before servicing.
IMPORTANT: After initial break-in period. The V-
belt should stretch by some amount. Check and
adjust belt tension after 16 hours of operation.
1. Disconnect planer from power source!!
2. Remove the belt cover knobs and the belt
cover.
3. Apply moderate pressure on the V-belt
midway between the two pulleys. Properly
tensioned V-belt should deflect by
approximately 1/4“.
If belt tension needs adjustment:
4. Remove the side panels to gain access to the
motor mount cap screws.
5. Loosen the cap screws and lower the motor
to tighten the belt. If the belt becomes too
tight, raise the motor.
6. Re-tighten the motor mount cap screws and
re-install the side panels when belt is
properly tensioned.
If belt needs to be replaced
7. Loosen the belt and roll the belt off the
pulleys.
8. Install new belts and make sure the belt sits
into the grooves of the pulleys.
9. Adjust belt tension.
10. Set a reminder to readjust belt tension after
the new belt is broken in. The process takes
approximately 16 hours of run time.
When belt maintenance completes
11. Reinstall all the panels and covers.
12. Remove all wrenches and tools before
restarting the planer.