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Buy Printed Manual

Ferguson Tractor TO-20 Operation and Maintenance Manual

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BELT PULLEY (Cont'd)

correct rotation direction, or vertically with pul-

ley's edge toward ground. (Pulley should never

be mounted on top.) Note: Do not force pulley

into position with mounting bolts.

Keep the oil reservoir of belt pulley filled to

level of filler plug. Capacity � U. S. pint. Use

same grade lubricant as in transmission.

NOTE: To avoid static electricity when using

belt and pulley, "ground" tractor to earth.

"Never put

on or remove helt

when pulley's in motion"!

This table indicates the size pulley necessary to drive any belt-driven machine

at the recommended rate. In most instances, there is a choice of at least

four pulley sizes, depending on the speed at which you operate your tractor.

Power

R . P . M .

O F

D R I V E N

P U L L E Y

Engine

Tak..Off

Pulley

Belt

r.p.m.

r.p.m.

r.p.m.

r.p.m.

600

100

1400

509

946

2188

14

"

lOYz"

1500

545

1014

2348

15"

llYz"

1600

581

1081

2548

16"

12"

1700

618

1149

2708

17"

13"

1800

654

1216

2868

18"

13Yz"

1900

690

1284

3028

19"

14Yz"

l

I

2000

727

1352

3188

20"

15"

:

2100

763

1420

3348

21Yz

"

16"

2200

800

1487

3508

22"

16Yz"

Example: Mr. A. has an ensilage cutter which should be

run at 2600 r.p.m. and wishes to determine what size

pulley is needed on the ensilage cutter. Looking in the

column under 2600, he finds he can use pulleys ranging

from 3Yz" to 5" on same line-in th«: column on extreme

left be finds speed at which tractor engine should be run,

1000

1400

1800

2200

2600

3000

3400

8Yz"

6"

4Yz"

4"

3Yz"

9"

6

Yz"

5"

4"

3Yz"

9

Yz

"

7"

5Yz

"

4

Yz

"

3Yz"

lOYz"

7

Yz"

5

Yz

''

4Yz"

4"

3Yz"

11"

8

"

6"

5"

4"

3Yz

"

llYz"

8"

6Yz

u

5"

4

Yz

"

4"

3

Yz

"

12"

8Yz"

7"

SYz"

411,,,

,Z

4"

3Yz"

12Yz"

9"

7"

6

"'

5"

4"

3Yz"

13Yz

"

9

Yz

"

7Yz

"

6"

5"

4Yz"

4"

i.e. the fourth line down under 2600 lists the pulley size

4"-same line extreme left shows 1700 engine r.p.m.

Thus he knows he can run his ensilage cutter at 2600

r.p.m. if it uses a 4" pulley and his tractor engine speed

is set at 1700 r.p.m.

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