Sharp 21F-A30 Manual do Operador descarregar pdf (Página 166)

MAINTENANCE AND SERVICING

Form 169000 / 169040 164 Revision C

7.13.9 Gearbox Installation: A30-S

a. Position gearbox (A) as shown, picking up the

three holes (B) in the end sheet. See above.

b. Install three flanged locknuts at (B). Do not

tighten.

c. Position channel (C) as shown, picking up the

three holes in the end sheet.

d. Install bolts (D) in the lower two holes and bolt

and nut (E) in the upper hole, and tighten.

Install bolt (E) with head on backside.

e. Install auger drive pulley (F) as follows:

1. Slide pulley (F) onto shaft with key.

2. Install tapered bushing (G) onto shaft,

ensuring holes are aligned with holes in

pulley.

3. Align pulley (F) and countershaft pulley (H)

faces to within .06 in. (1.5 mm).

4. Install three bolts in tapered bushing (G),

and tighten to 18 ft·lbf (25 N·m).

5. Tap bushing and re-torque. Repeat until

bolts no longer turn at 18 ft·lbf (25 N·m).

f. Install and tighten auger drive belts (J) as

follows:

1. Position auger drive belts (J) as shown.

2. Locate chain (K) onto small sprocket.

3. Turn adjuster bolt (L) to tighten chain.

Deflection at (K) should be ¼ in. (6 mm).

4. Tighten jam-nut on adjuster bolt (L).

5. Turn adjuster bolt (M) 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.

6. Tighten jam-nut on adjuster bolt (M) and the

three bolts (N).

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Sharp 21F-A30 Manual do Operador Página 166