Sharp 21F-A30 Manuel de l'opérateur télécharger pdf (Page 132)

MAINTENANCE AND SERVICING

Form 169000 / 169040 130 Revision C

7.8.9.3 Installation: A30-S Sickle Drive Belt

a. Route sickle drive belt (A) through opening in

end sheet onto wobble box pulley and sickle

drive pulley (E) as shown.

NOTE

When installing new belt, never pry belt

over pulley. Be sure idler is fully

loosened, then tension belt.

b. Turn adjuster bolt (C) to move idler until a force

of 20 lbf (80 N) deflects belt (A) 1/4 in. (6 mm) at

mid-span.

c. Tighten idler bolt (B).

d. Position belts (F) on pulley (G) as shown.

e. Turn adjuster bolt (H) so that each belt deflects

3/16 in. (4 mm) at mid-span when a load of

8 - 12 lbf (35 - 40 N) is applied to each belt.

f. Tighten bolts (J) and jam-nut on (H).

g. Install bolt-in plate in LH end sheet at wobble

box, and close endshield.

h. Re-adjust tension of a new belt after a short

run-in period, (about 5 hours).

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Sharp 21F-A30 Manuel de l'opérateur Page 132