Owner's Operating
Service Instruction
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Manual
• ASSEMBLY
• OPERATION
• REPAIR PARTS
POWER SHREDDER
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Model-No. “
244-650A
WARRANTY
For one year from date of purchase, MTD Products Inc will replace for the original purchaser, free
of charge, F.O.B. factory or authorized service firm, any part or parts found to be defective in material
or workmanship. All transportation charges on parts submitted for replacement under this warranty
must be paid by the purchaser. This warranty does not include replacement of parts which become
inoperative through misuse, excessive use, accident, neglect, improper maintenance or alterations by
unauthorized persons. This warranty does not include the engine, motor, battery,, battery charger or any
component parts thereof. For service on these units, refer to the applicable manufacturer's warranty.
The above warranty will apply only to the original owner and will be effective only if the warranty
card has been properly processed. It will not apply where the unit has been used commercially.
Warranty service is available through your local authorized service dealer or distributor. UNDER
NO CIRCUMSTANCES WILL THE RETURN OF A COMPLETE UNIT BE ACCEPTED BY THE
FACTORY UNLESS PRIOR WRITTEN PERMISSION HAS BEEN EXTENDED.
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MTD PRODUCTS INC
PRINTED IN U.S.A.
5389 WEST 130th STREET
P.O.BOX 2741 CLEVELAND OHIO 44111
FORM NO. 770-4889
IMPORTANT
SAFE OPERATION PRACTICES
1. Read the Operating and Service Instruction Manual
carefully. Be thoroughly familiar with the controls
and proper use of equipment.
2. N'eVei" aii'S^children to operate a power shredder.
3. Keep the are^ operation clear of all persons,
particularly sn^;all children and pets.
4. Check fuel before starting engine. Do not fill gas
oline tank indoors, when engine is running, or
while engine is still hot. Wipe off any spilled gas
oline before si’arting engine.
5. Do not chs-fige engine governor settings or over
speed engine.
6. Do not put hands near rotating parts. Keep clear
of discharge opening at all times.
7. If the equipment should start to vibrate abnor
mally, stop the engine (motor) and check imme
diately for the cause. Vibration is generally a
warning of trouble.
^ '^'hen cleaning, repairing or inspecting, make cer
tain blade and all moving parts have stopped. Dis
con, ract spark plug wire and keep wire away from
plug no prevent accidental starting.
9. Shut engine (motor) off and wait until blade comes
to a complete stop before unclogging chute.
10. Check blade and engine mounting bolts at fre
quent intervals for proper tightness.
11. Keep all nuts, bolts, and screws tight to be sure
equipment is in safe working condition.
12. Never store equipment with gasoline in the tank
inside of a building where fumes may reach an
open flame or spark. Allow engine to cool before
storing in any enclosure.
13. To reduce fire hazard keep free of grass, leaves or
excessive grease.
USING YOUR SHREDDER
Your shredder is designed for safe, efficient, operation.
CARE, OF COURSE, MUST BE EXERCISED THAT HANDS
ARE KEPT AWAY FROM ALL OPENINGS.
Your shredder guide extension is adjustable. It may be
adjusted to desired height by loosening the hand knob
as shown in figure 1.
FIGURE 1. GUIDE EXTENSION ADJUSTMENT
Feed the material so that it slides down the guide ex
tension. See figure 2.
OPERATION
1. Service engine with gas and oil. See engine man
ual packed with shredder for complete instruc
tions for the care and maintenance of engine.
READ DIRECTIONS CAREFULLY.
2. When ready to start engine, place throttle control
lever in START position and start engine in accord
ance with instructions in engine manual. After en
gine starts, move throttle control lever to desired
engine speed. The engine is stopped by placing
control lever in the STOP position.
CAUTION:
The manufacturer recommends that the operator'
I wear safety glasses or some other suitable eye protec- .
tion as it is possible for chips to be elected out of the
I inlet openings while feeding material.
GUIDE EXTENSION
HGURE 2. FEEDING MATERIAL INTO GUIDE
EXTENSION
A steady flow of material provides the best results.
Bulky material, such as stalks or heavy branches, should
be fed into the upper guide extension. See figure 3.
When sharpening blade, follow the original angle of
grind as a guide. It is extremely important that each
cutting edge receives an equal amount of grinding to
prevent an unbalanced! blade. An unbalanced blade
will cause excessive vibration when rotating at high
speeds and may cause damage to the unit. Upon reas
sembly, make certain a I parts are assembled properly
and tightened securely.
UPPER GUIDE EXTENSION
ELASTIC LOCK NUT
FIGURE 3. FEEDING MATERIAL INTO UPPER GUIDE
EXTENSION
It is possible to feed too fast and you will find it will
take some experimenting with feeding rates to get
the most out of your shredder without stalling the en
gine.
Under certain conditions, it may be necessary to push
the materials into the inlet guide assembly. When this
becomes necessary, use a small diameter stick—NOT
YOUR HANDS. The stick should be of a size that will be
ground up if it gets into the impeller assembly.
The discharge chute will direct the shredded material
into a pile or a container. NOTE: Your shredder is
equipped with a nylon bag with drawstring lock. This
will accommodate a perforated disposable plastic bag.
CAUTION: Keep clear of the chute area since the
shredded material comes out with considerable velo
city. Always stop engine and disconnect spark plug
wire when changing bags.
LUBRICATION
WHEELS—Wheel bearings are of lifetime Fortiflex. They
require no lubrication.
ENGINE—Follow engine manual for lubrication instruc
tions.
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Do Not deposit material larger
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than y?" diameter in hopper.
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This may cause damage to the
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shredding mechanism.
CAUTION
1 I
BEFORE STARTING
NOTE
Do not mix oil with gasoline.
1. Fill fuel tank with fresh regular gasoline. (See fig
ure 4.)
2. Fill crankcase with oil. (See figure 4.)
Fili with regular gasoline
Shorting Clip
Oil Dip Stick
MAINTENANCE
CAUTION: Always stop engine and disconnect spark
plug wire before doing any maintenance.
Cutting Blade—The blade may easily be removed for
grinding or replacement as follows:
1. Remove guide extension assembly by removing
four elastic locknuts (Ref. No. 11). See figure 8.
2. Remove bolt (Ref. No. 38), lockwasher (Ref. No.
37) and flat washer (Ref. No. 36) holding blade
(Ref. No. 45) to engine crankshaft. See figure 9.
3. NOTE: Blade is reversible and can be assembled
to crankshaft with either side showing.
Drain Plug
Oil Filler Plug
Drain Plug
FIGURE 4.