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Before starting, To start engine, Figure 8.—model 645 shown – MTD 645B thru 651B User Manual

Page 6: To stop engine, How to use your shredder

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BEFORE STARTING

1. Place the shredder on a firm, level surface.

2. Attach spark plug wire to spark plug.

3. Service engine with gasoline and oil as instructed

in the separate engine manual packed w ith your

shredder.

4. 8 H.P. Briggs & Stratton engine only: Open

fuel shut-off valve.

NOTE; Check the fuel level periodically to a\, old run­
ning out of gasoline while operating the c hipper-

shredder. If the unit runs out of gas as it is si 'redding
or chipping, it may be necessary to unclog the unit
before it can be restarted. Refer to “Remo ving the
Flail Screen” on page 8.

TO START ENGINE

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WARNING: Be sure no one other t lan the
operator is standing near the st redder
whiie starting or operating.

1. Place the throttle control lever In FAST ¡losition.

See figure 8.

2. Move choke lever to CHOKE position (a warm

engine may not require choking).

3. Grasp starter handle (see figure 8) and pull rope

out slowly until engine reaches start of compres­
sion cycle (rope will pull slightly harder at this
point). Let the rope rewind slowly.

4. Pull rope with a rapid, continuous, full arm stroke.

Keep a firm grip on starter handle. L at rope
rewind slowly. Do not let starter handle sn ap back
against starter.

5. Repeat preceding instructions 3 and 4 until

engine fires. When engine starts, move choke
lever on engine halfway between CHOKE and

RUN.

Choke

■Throttle Control

FIGURE 8.—Model 645 Shown

6. Move throttle control to IDLE position fo- a few

minutes warm-up. Move choke lever to RL N posi­
tion as engine warms up.

NOTE: In order to idle smoothly, a new engine may
require 3 to 5 minutes running above slow idle speed.
Idle speed has been adjusted to be correct a ker this

break-in period.

TO STOP ENGINE

1. Move throttle control lever to STOP position. See

figure 8.

2. Disconnect spark plug wire and move away from

spark plug to prevent accidental starting while
equipment is unattended.

3. 8 H.P. Briggs & Stratton engine only: Close

fuel shut-off valve when unit is not in use to pre­
vent fuel leakage.

HOW TO USE YOUR SHREDDER

Do not attempt to shred or chip any material other

than vegetation found in a normal yard (i.e., branches,
leaves, twigs, etc.).

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WARNING: The shredder discharges

material with considerable velocity. Keep

away from the area around the chute
deflector. Always stop the engine and dis­
connect the spark plug wire when remov­
ing or attaching the bag, when changing

containers or when removing the shred­
ded material, wear safety glasses and

gloves whenever using your shredder.

1. Leaves and small branches up to 1/2" diameter

can be fed into the hopper when it is in the raised

position. See figure 9. If it becomes necessary to
push material into the shredder, use a small diam­
eter stick—NOT YOUR HANDS. The stick cannot

exceed 1/2" in diameter so it will be ground up if it
gets into the impeller assembly.

WARNING: Do not put material larger than
1/2" In diameter into the hopper. Material
up to a maximum of 3" in diameter materi­
al may be fed into the chipper chute. Do

not attempt to shred or chip any material
larger than 3" in diameter. Personal injury
or damage to the machine could result.

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2. Leaves and small twigs can be raked into the

shredder when the leaf ramp is lowered to the
ground. See figure 10. Small branches up to 1/2"
diameter can also be fed into the shredder in this
position. See figure 11.