Sears 645B - Manual (Page 7)

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 with your
shredder.
4. 8 H.P. Briggs & Stratton engine oniy: Open
fuel shut-off valve.
NOTE: Check the fuel level periodically to avoid run­
ning out of gasoline while operating the chipper-
shredder. If the unit runs out of gas as it is shredding
or chipping, it may be necessary to unclog the unit
before it can be restarted. Refer to “Removing the
Flail Screen" on page 9.
TO START ENGINE
A WARNING: Be sure no one other than the
operator is standing near the shredder
while starting or operating.
1. Place the throttle control lever in FAST position.
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. Let rope
rewind slowly. Do not let starter handle snap 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 for a few
minutes warm-up. Move choke lever to RUN 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 after this
break-ln 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 oniy: Close
fuel shut-off valve when unit is not in use to
prevent 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.).
A 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 materiai, 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.
A WARNING: Do not put material larger
than 1 / 2 " in diameter into the hopper.
Material up to a maximum of 3" in diame­
ter material 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.
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.