Owner's Operating
Service Instruction
lOcfc
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.
IX A ».BXO-g-gJLtJJLgJU A.^.«-MJUL^-UJLUXJJLtJLLtJUUl«t 9AX!UJULiiXXXXXtSJLSUtJlJtJULSLXJUL9JAJA I«I
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
O
o
than y?" diameter in hopper.
o
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.
Position equipment so that engine is setting level.
Remove dip stick or oil filler plug (Figure 1). Pour
oil into oil filler tube from which dip stick was re
moved and fill to FULL mark on dip stick. Do not over
fill. After initial filling follow instructions on dip stick.
Be sure dip stick is screwed into filler opening as far
as it will go when measuring oil level.
During initial break-in period, oil level should be
watched closely See ENGINE MAINTENANCE.
Use MS classification oil. Do not use oils marked only
MM or ML or unmarked.
Above 32° use SAE 30; below 32° use SAE lOW These
recommendations must be followed for best perform
ance and long life.
Change oil first two (2) hours of operation and check
oil level every five (5) operating hours or each time
equipment is used.
Change oil every twenty-five (25) operating hours or
sooner if equipment is operated in extremely dusty or
dirty conditions.
TO STOP ENGINE
1. Press shorting clip against end of spark plug (fig
ure 4) and hold until engine stops running. If short
ing clip is not present move carburetor control to
STOP position. If key starting is used, turn key to
OFF position.
2. Turn off gasoline shutoff valve at underside of tank,
if engine is so equipped. Some engines may have
two valves, one at each end of tank.
3. Remove high tension wire from spark plug to pre
vent accidental stVting by children while equip
ment is unattended.
ENGINE MAINTENANCE
To obtain long life and trouble-free service from
your engine, certain normal maintenance must be per
formed as outlined below:
NOTE: Carburetors are preset at the factory. DO NOT
attempt to make adjustments at this time. See carbu
retor instructions outlined under CARBURETOR AD
JUSTMENT.
NOTE: If engine is equipped wth 6:1 gear reduction
use the following recommended oil weights in the
gear box.
Above 32°F use EP 90 in gear box; below 32°F use
SAE lOW in gear box.
TO START ENGINE
CAUTION
If engine is used on lawnmower, be
sure to keep clear of mower blade at
all times.
1. Be sure shorting clip (figure 4) is away from spark
plug if engine is so equipped.
2. Be sure that fuel valve, if present, under fuel tank
is turned on or opened and that the spark plug
wire is properly attached.
1. Change oil in crankcase after first two (2) hours of
operation. Then, follow instructions outlined at left.
CAUTION
Disconnect high tension wire at spark
plug to prevent accidental starting of
engine. Unscrew oil drain plug located
on side at bottom of engine (figure 4).
NOTE: Always tip engine toward oil drain hole. Be
sure oil drains completely.
Replace oil drain plug and refill with oil as directed
on page 5 or engine nameplate.
2. Check oil every five (5) operating hours or each
time equipment is used.
If engine has dip stick, keep oil level at mark indicated
by adding if necessary.
3. Cleaning engine—This is an aircooled engine which
operates most efficiently when the cooling fins ate
clean.
Clean cylinder fins and underside of tanjc oi housing
thoroughly of all accumulated grass and debris.
3. if equipment is equipped with remote engine and
speed controls, set control in CHOKE or START po
sition.
Some equipment may have the controls on the engine.
Set control on CHOKE or START.
4. Rewind starters—Use quick full arm stroke. Keep
firm grip on handle and return rope slowly.
Be sure equipment controls are in NEUTRAL and that
engine controls are set for starting. Stand clear of
mower and move release lever to START position.
After engine has started, move carburetor control off
CHOKE or STARTING position and on to RUN position.
4. Air Cleaners
a. Paper Type Element. Remove every 10 hours or
oftener if under dusty conditions. Tap to remove
loose dirt and/or blow from inside out with low
pressure air. Replace if torn or perforated or when
plugged to maintain proper carburetor setting (50
hours). DO NOT WASH IN ANY LIQUID AND DO
NOT OIL.
b. Oil Bath. Remove element. Clean element and bowl.
Using same oil used for engine, fill bowl to line.
Replace element.
CAUTION: Do not pour oil down center of bowl (fig
ure 6).
4
'Attaching Screw
Paper Element
Element
4. Open one and one-half 1 Vi turns (counter-clock
wise).
5. Start engine. Follow starting instructions page 5.
6. With throttle open (carburetor control at RUN or
FAST position) adjust power adjusting needle oneeighth (’/s) turn at ei time forward or backward un
til engine runs smoothly. If engine tends to stall
under load enrich mixture slightly (counterclock
wise).
7. Hold throttle lever closed or move carburetor con
trol to IDLE or SLOW position and adjust idle ad
justing needle until engine runs smoothly proceed
ing as in step six (6) above.
8. Allow several seconds between each adjustment
when performing either step six (6) or seven (7) to
allow engine to reeict to new setting.
FIGURE 5.
FIGURE 6
CARBURETOR ADJUSTMENTS
Do not make unnecessary adjustments. Factory settings
are correct for most application. If adjustments are
needed, proceed as follows:
1. Close power adjusting needle (figure 7) by turning
to right (clockwise). Close finger tight only. Forcing
will cause damage.
FEED CARBURETOR
FIGURE 7.
STORAGE INSTRUCTIONS
In event engine is to be stored for any length of time
(30 days or more) or at the end of mowing season,
prepare as follows:
1. Drain gasoline by tipping or by syphon hose, then
run engine until remainder is used and tank and
carburetor are empty.
CAUTION: Drain into container outdoors away from
fire or flame.
2. Drain carburetor by pressing upward on bowl
drain (figure 7).
2. Open one turn (counterclockwise).
3. Close idle adjusting needle (figure 7) by turning to
right (clockwise). Close finger tight only. Forciitg
will cause damage.
3. Inside protection of engine for storage is performed
by removing spark plug and pouring one ounce of
SAE 30 oil through spark plug hole into cylinder.
Crank engine, without starting, several times to
spread oil over cylinder walls.
244-650A
IF YOU WRITE TO US ABOUT THIS AliTICLE
OR IF YOU ORDER REPLACEMENT PARTS AL
WAYS MENTION THIS MODEL & SERIAL NO
MODEL
FIGURE 8
PARTS LIST FOR FIGURE 8 MODEL 244-650A
REF.
NO.
1
2
3
736-264
4 712-429
5
6 710-621 Hex Scr. 5/16-18 X .50" Lg.*
7 736-119
8 11479—463
9
10 11467—463
712-429
11
12
736-264
13
14
712-429
15
736-264
16
17 711-566
712-107 Hex Center L-Nut 14-20 Thd.
18
710-289 Hex Scr. ’/4-20 x .50" Lg.*
19
COLOR
PART
CODE
NO.
11460—463
11472—463
—463 Hopper Assembly
11481
11454—463
9966 Knob Ass'y.
11480 Stop Washer
Guide Extension Assembly
Guide Extension
Spring L-Wash. 5/16" Scr.*
Clamp Rod Assembly
Back-up Plate
Inlet Guide AssembI y
FI. Wash. .50" Dia.*
Chute Pivot Rod
DESCRIPTION
Flat Washer 5/16" Scr.*
Elastic Stopnut 5/16-18 Thd.
Elastic Stopnut 5/16-18 Thd.
FI-Wash. .50" Dia.*
Elastic Stopnut 5/16-18 Thd.
NEW
PART
*For faster service obtain standard nuts, bolts and washers locally. If these items cannot be obtained locally, order
by part number and size as shown on parts list.
(463—Top Flite Red)
• When ordering parts, if color or finish is important, use the appropriate color code
shown at left. (e.g. Top Flite Red—11464 (463).)
Find us fast in the
The engine is not under warranty by the mower manufacturer. If repairs or service is needed on the
engine, please contact your nearest authorized engine service outlet. Check the "Yellow Pages" of
your telephone book under "Engines—Gasoline."
244-650A
keep this door
closed except
when feeding
material
If YOU WRITt TO US ABOUT THIS ARTICLE
OR IF YOU ORDER REPLACEMENT PARTS AL
WAYS MENTION THIS MODEL & SERIAL NO
MODEL
FtGURE 9
CAUTION
REVOLVING BLADE
keep hands away
from all openings
PARTS LIST FOR FIGURE 9 MODEL 244-650A
PART
REF.
NO.
1
710-465 Hex Scr. '/2-20 X 4.50" Lg.*
2
3 711-580 Clevis Pin
711-579 Flail Spacer 7/32" Lg.
4
5
736-921
6
7
726-111 Palnut 3/ 16" Dia.
712-922
8
9 714-507
10 11465—463
11 712-107 L-Nut '/4-20 Thd.
12 710-289
714-114
13
14
15 710-157
16 736-119
17
18
19 11464—463
20 712-123
21
736-119 L-Wash. 5/16" Scr.*
22
736-119
23 712-123
24
726-221
25 7006
26
8306-522
27
736-100
28 710-237
29
712-429
30
710-237
31
714-115
32
736-192
33
34
711-564
35
711-578
36
736-247
37
736-21 7
38
710-151
39
40 712-107
41
42
43
726-111
44
712-109
45 1 1458—463
46
COLOR
CODE
NO.
1 1476—403 Door—Upper Guide Extension
11455—463 Cuffing Finger
Lockwasher '/2" Scr.*
Hex Jam Nuf '/2-20 Thd.*
Cotter Pin 3/32" Dia. x %" Lg.*
Chute Deflector
Hex Scr. '/4-20 X .50" Lg.*
Sq. Key ’/4" X 2.00" Lg.*
11473—463
11452—463
11459—463
11474—463
1 1477—463
11478
1 1475—463
Impeller Assembly
L-Wash. 5/16" Scr.*
Hopper to Engine Mtg. Plate
Engine
Engine Mounting Plate
Hex Nuf 5/16-24 Thd.*
L-Wash. 5/16" Scr.*
Hex Nuf 5/16-24 Thd.*
Push Cap
Fortiflex Bearing
Wheel Ass'y.—Comp.
FI. Wash. .50" I.D.*
Hex Scr. 5/16-24 X.62" Lg.*
Elastic Stopaut 5/16-18 Thd.
Hex Scr. 5/16-24 x .62" Lg.*
Cotter Pin Vs" Dia. x 1.00" Lg.*
FI. Wash. .531" I.D. x .937 O.D.
Flail
Flail Spacer 23/32" Lg
Clevs Pin .50" Dia. x 3.0" Lg.
FI. Wash. .406" I.D. x 1.25"
Hex Scr. %-24x2.00" Lg. H.T.
Flail Housing Ass'y.—Comp.
Upper Guide Extension Ass'y.
Hinge Pin
Palnut 3/16" Dia.
Wing Nut Elastic 'A-20 Thd
Blade
Axle
DESCRIPTION
Hex Scr. 5/16-24x%" Lg.*
X .09
O.D. Hdn.
L-Wash. %" Scr. Heavy Duty
Hex Center L-Nut 'A-20 Thd.
NEW
PART
*For faster service obtain standard nuts, bolts and washers locally. If these items canno" be obtained locally, order
by part number and size as shown on parts list.
(463—Top Flife Red) — When ordering parts, if color or finish is important, use the appropriate color code
shown at left. (e.g. Top Flife Red—1 1464 (463).)
Find us fast In the
The engine is not under warranty by the mower manufacturer. If repairs or service is needed on the
engine, please contact your nearest authorized engine service outlet. Check the "Yellow Pages" of
your telephone book under "Engines—Gasoline."
PARTS INFORMATION
DEFECTIVE OR MISSING PARTS must be reported
to the factory immediately. Such claims must include
your model number and date of purchase.
POWER EQUIPMENT PARTS AND SERVICE
Parts and service for all MTD manufactured power
equipment are available through the authorized serv
ice firms listed below. All orders should specify the
model number of your unit, parts numbers, descrip
tion of parts and the quantity of each part required.
A 1 Engine A Mower Co.
327 East 9th Street
Salt Lake City, Utah 84102
American Eiecirie ignition Co.
124 N. W. 8th Street
Okiahoma City, Oklahoma 73102
Auto Electric & Carburetor Co.
2S25 4th Avenue, S.
P. O. Box 1948
Birmingham, Alabama 35233
Automotive Equipment Service Co.
3117 Holmes Street
Kansas City, Missouri 64109
Bailey's Rebuild Inc.
1325 E. Madison Street
Seattle Washington 98102
Bleckrie, Inc.
7900 Lorain Avenue
Cleveland, Ohio 44102
Brown Equipment Distributor Inc.
110 Beech Street
Corydon, Indiana 47112
Bullard Supply
2409 Commerce Street
Houston, Texas 77003
Carl A. Anderson Co.
623 S. I6th Street
Omaha, Nebraska 68102
Catto A Putty, Inc.
P. O. Box 2408
510 Soledad Street
San Antonio, Texas 78205
Center Supply Company
6867 Now Hampshire Avenue
Takoma Park, Maryland 20012
Dixie Sales Company
P. O. Box 1408
327 Battleground Avenue
Greensboro, North Carolina 27402
East Point Cycle A Key Shop
1617 Whiteway
East Point, Georgia 30044
Gamble Distributors
West End Avenue
Carthage, New York 13619
Garden Equipment Co., Inc.
6600 Cherry Avenue
Long Beach, California 90805
Gardenville Supply, Inc.
Pipersville, Pennsylvania 18947
Henry W. O'Neil & Assoc., Inc.
410 North Goodman Street
Rochester, New York 14609
Henzier, Inc.
2015 Lemay Ferry Road
St. Louis, Missouri 63125
Kenton Supply
8216 North Denver Avenue
Portland, Oregon 97217
Kimber't Inc.
115 W. Geddes St.
Syracuse, New York 13204
The Lawnmower Shop
1340 El Camino Real
San Carlos, California 94070
Marr Brothers
423 E. Jefferson
Dallas, Texas 75203
Mathews Auto Electric Co.
420 East 2nd Street
Tulsa Oklahoma 74120
McClure Lawn A Garden Supply
1114 Lexington Avenue
Mansfield, Ohio 44907
Memphis Cycle A Supply Co.
421 Monroe Avenue
Memphis Tennessee 38103
Morton B. Collins Co.
300 Birnie Avenue
Springfield, Massachusetts 01107
Moz-AII of Florida, Inc.
365 Greco Avenue
Coral Gables, Florida 33146
BRIGGS & STRATTON, TECUMSEH AND PEERLESS PARTS AND SERVICE
Briggs & Stratton, Tecumseh and Peerless parts and
service should be handled by your nearest authorized
engine service firm. Check the yellow pages of your
telephone directory under the listing Engines —
Gasoline, Briggs & Stratton or Tecumseh Lauson —
Power Products.
National Central, Div. of
Joe Sterling, Inc.
Drawer "D" 687 Seville Rd.
Wadsworth, Ohio 44281
Parts A Sales Inc.
2101 Industrial Pkwy.
Elkhart, Indiana 46514
Power Equipment Distributor
36463 So. Gratiot Avenue
Mt. Clemens, Michigan 48043
Power Lawn A Garden Equip. Co.
2551-2571 J. F. Kennedy Road
Dubuque, Iowa 52001
Radco Distributors
2403 Market Street
P. O. Box 3216
Jacksonville, Florida 32206
Raub Supply Company
James A Mulberry Sts.
Lancaster, Pennsylvania 17604
Richmond Battery A Ignition
P. O. Box 25369 - 957 Myers St.
Richmond, Virginia 23260
Smith Hardware Company
515 N. George Street
Goldsboro, North Carolina 27530
South Denver Lawn Equip. Co.
527 West Evans
Denver, Colorado 80223
Suhren Engine
8330 Earhart Blvd.
New Orleans, Louisiana 70118
Sutton's lawn Mower Shop
Route 4, Box 343
North Little Rock, Arkansas 72117
Warner Equipment
7520 Lyndale Avenue, So.
Minneapolis, Minnesota S5423
Woodson Salas A Service
1702 North Sylvania
Ft. Worth, Texas 76111
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FORM NO. 770-4-889
The purpose of warranty is to protect the customer from defects in workmanship and materials,
defects which are NOT detected at the time of manufacture. It does not provide for the unlimited
and unrestricted replacement of parts. Use and maintenance are the responsibility of the cus
tomer. The manufacturer cannot assume responsibility for conditions over which it has no
control. Simply put, if it's the manufacturer's fault, it's the manufacturer's responsibility; if
it's the customer's fault, it's the customer's responsibility.
CLAIMS AGAINST THE MANUFACTURER'S WARRANTY INCLUDES
1. Replacement of Missing Parts on new equip- 1. Model Number of unit involved,
ment.
2. Replacement of Defective Parts within the
warranty period.
3. Repair of Defects within the warranty , i c
", A. Nature of failure,
period.
WARRANTY PARTS AND SERVICE POLICY
All clairtis MUST be substantiated with the
following information:
2. Date unit was purchased or first put into
service.
3. Date of failure.
10 PRINTED IN U.S.A.
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