MTD 24650-9 User Manual

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$1.00
OWNHrS GUIDE
ASSEMBLY • OPERATION • MAINTENANCE • PARTS
Model Numbers

249-650-000

5 H.R
SHREDDER
Important: Read Safety Rules and Instructions Carefully
PRINTED IN U.S.A.
FORM NO. 770-5902D
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INDEX

Rules for Safe Operation..............................................................................3
Assembly.............................................................................................. . . 4
Operation........................................................................................................6
Adjustments.................................................................................................. 8
Ins uructions given with this sym bol are for personal safety. Be
A
suie to follow them.
Maintenance ..................................................................................................9
Off-Season Storage ......................................................................................9
Trouble Shooting Chart ............................................................................11
Repair Parts ......................................................................................12, 13
A
This unit is equipped with an internal combust on engine and should not be used on or near any unproved forest-covered, brush-covered or grass-covered laid unless the enigne's exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required bv law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal law at?ply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer.
{ warning {
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WARNING

At;
To reduce the potential for any injury, comply with the following safety instruc
tions. Failure to comply with the instructions may result in personal injury.

RULES FOR SAFE OPERATION

TRAINING

1. Read this owner's manual carefully in its entirety before attempting to assemble or operate this machine. Be completely familiar with the controls and the proper use of this machine before operating it. Keep this manual in a safe place for future and regular reference and for ordering replacement parts.
2. Children must never be allowed to operate this
equipment.
3. No one should operate this unit while intoxicated or while taking medication that impairs the senses or
reactions.
4. This equipment should never be operated in the vicinity of children, pets or other persons.
5. Never run your machine in an enclosed area as the exhaust from the engine contains carbon monox
ide, which is an odorless, tasteless and deadly poisonous gas.
6. Never allow your hands or any part of your body or clothing inside the feeding chamber, discharge chute, or near any moving part while the machine or engine is running.
7. If it is necessary for any reason to inspect or repair the feeding chamber or any part of the machine where a moving part can come in contact with your
body or clothing, stop the machine, allow it to cool,
and disconnect the spark plug wire from the spark
plug before attempting such inspection or repair.

PREPARATION

1. Wear safety glasses provided with your unit
while operating the chipper-shredder to prevent in jury from any chips which may be ejected out of the openings.
2. Wear proper apparel. Avoid wearing loose fitting
clothing. Wear gloves when handling material.
3. HANDLE FUEL WITH CARE as gasoline is an extremely flammable fuel. A. Check the fuel before starting the engine. Do
not fill the fuel tank indoors, while the engine is running, or while the engine is still hot. Turn the unit off and let the engine cool before refueling.
B. Fuel your shredder in a clean area. Do not
smoke while refueling.
C. Fuel tank cap must be secure at all times
except during refueling.
D. Avoid spilling gasoline or oil. Wipe the unit
clean of any spilled fuel or oil.
E. Store fuel and oil in approved containers, away
from heat or open flame, and out of reach of children.
4. This machine should be operated only upon an
level earthen surface.
5. Assure that all screws, nuts and bolts and other fasteners are properly secured.

OPERATION

1. When feeding shreddable material into this equip ment, be extemely careful that pieces of metal.
rocks, bottles, cans or other foreign objects are not included.
2. If the cutting mechanism strikes any foreign object or if your machine should start making an unusual noise or vibration, immediately stop the engine and disconnect the spark plug wire from the spark plug. Allow the machine to stop and take the following steps:
A. Inspect for damage. B. Replace or repair any damaged parts. C. Check for any loose parts and tighten to assure
continued safe operation.
3. The engine must be kept clean of debris and other accumulations.
4. Do not allow an accumulation of processed material to build up in the discharge area as this will pre vent proper discharge and can result in kick-back from feed opening.
5. Never allow your hands or any other part of your body or clothing inside the feeding chamber, discharge chute or near any moving part while the engine is running.
6. Keep all guards and deflectors in place and in good working condition to assure continued safe operation.
7. Always stand clear of the discharge area when operating this machine.
8. Keep your face and body back from the feed opening to avoid accidental bounce back of any material.
9. Do not over-reach. Keep proper balance and
footing at all times.
10. The engine governor settings on your machine
must not be altered, changed, or tampered with. The governor controls the maximum safe operating speeds and protects the engine and all moving parts from damage caused by overspeed.
11. Do not transport machine while engine is running.
12. Do not operate engine if air cleaner or cover
directly over carburetor air intake is removed, except for adjustment. Removal of such parts could create a fire hazard.

MAINTENANCE AND STORAGE

1. When this equipment is stopped for servicing,
inspection, storage or to change an accessory, make sure the spark plug wire is disconnected from
the spark plug. The machine should be allowed to cool down before making such inspection, ad justments, service, eta Maintain your machine with care and keep it clean for the best and continued safe operation.
2. Do not use flammable solutions to clean the air
filter.
3. When not in use, your machine should be stored out of the reach of children. Keep where gasoline fumes will not reach an open flame or spark. For long periods of storage, the gasoline should be drained and disposed in a safe manner. Always allow the machine to cool before storing in any enclosure.
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NOTE
This unit is shipped WITHOUT GASOLINE or OIL. After assembly, see separate engine manual for proper fuel and engine oil recommendations.

ASSEMBLY INSTRUCTIONS

Tools Required for Assembly:
(2) 7/16" Open End or Box Wrenches* (1) 1/2" Socket Wrench
* An Adjustable Wrench may be used in place of one
of the wrenches.
FIGURE 1.
NOTE
The right and left side of your shredder is determined from behind the unit.
UNPACKING Remove the shredder and loose parts from the
carton. Make certain ail parts and literature have been removed before the carton is discarded.
Parts in Carton: Shredder
Chute Deflector Hopper
Upper Leaf Ramp Section Catcher Bag
Hardware Pack

Contents of Hardware Pack (See Figure 1):

A B (8) C (6)
D (2)
Hex Bolts 1/4-20 x 1/2" Long
(8)
Hex Lock Nuts 1/4-20 Thread Hex Washer Head Self-Tapping Screws
5/16-18 X 3/4" Long
Keepers
Safety Glasses (Not Shown)
(1) :

CHUTE DEFLECTOR INSTALLATION

1. Place the chute deflector in position on the
discharge opening (on the left side of the shred-
------
der). See figure 2.
2. Secure chute deflector to discharge opening with hex bolts (A) and hex lock nuts (B). Heads of the hex bolts are inside the discharge opening. Hex nuts
go on the outside.
3. Tighten all four nuts and bolts securely.
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Hopper’^
FIGURE 3.
Lower Leaf
Ramp Section
INSTALLATION OF HOPPER AND UPPER GUIIDE EXTENSION
1. The lower leaf ramp section on the shredder is placed in an upright position for shipping purposes. Lower this section.
2.
Place the hopper in position on the shredder. See figure 3. Start all four hex washer head self tapping screws (C), then tighten securely using a 1/2" socket wrench.
Assemble the keepers (D) to the sides of the unit
3.
with two hex washer head self-tapping screws (C), using a 1/2" socket wrench. Tighten securely.
I I
4. Place upper leaf ramp section inside the lower leaf ramp section. Secure with four hex bolts (A) and hex lock nuts (B). Tighten securely. See figure 5.
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ATTACHING THE CATCHER BAG

Your unit is equipped with a nylon bag which attaches to the discharge opening. If desired, place the end of the bag over the chute deflector. Depress plunger, pull
on the drawstring, and release plunger to lock it in
• position. See figure 6.

OPERATION

GAS AND OIL FILL UP

NOTE

ENGINE IS SHIPPED WITHOUT OIL. FILL CRANKCASE WITH OIL BEFORE STAR TING.
Service engine with gasoline and oil as instruc ed in
the separate engine manual packed with your shred
der. Read instructions carefully.

TO START ENGINE

1. Attach spark plug wire to spark plug.
2. Place choke lever on engine in CHOKE pos tion.
See figure 7 or 7A.
NOTE
A warm engine may not require choking.
3. Place the throttle control lever on engine in 7\ST
position.
Throttle Control
Lever in Start
Position
Choke
Lever
Tecumseh Engine
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.
NOTE
FIGURE 7. - Briggs and Stratton Engine
A noise will be heard when finding
the start of the compression cycle. This
noise is caused by the flails and fingers which are part of the shredding mechanism falling into place, and
should be expected.
Pull rope with a rapid, continuous, full arm stroke.
5.
Keep a firm grip on start handle. Let rope rewind slowly. Do not let starter handle snap back against starter.
Repeat preceding instructions 4 and 5 until
6.
engine fires.
7.
After engine starts, move throttle control lever on
engine to slow position for a few minutes warm up. Move choke lever gradually to RUN position.
Then move throttle control lever to FAST posi tion for shredding operations.
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TO STOP ENGINE

1. Move throttle control lever to OFF position.
Air
Screen
If it becomes necessary to push materials into the shredder, use a small diameter stick, NOT YOUR HANDS. The stick should be small enough that it will be ground up if it gets into the impeller assembly.
WARNING
Ac
Do not deposit material larger then 1/2" diameter in the hopper or upper guide extension. Any material heavier then 1/2” should be fed into the chip-it guide.
2. Disconnect spark plug wire from spark plug and ground against the engine to prevent accidental starting while equipment is unattended.

HOW TO USE YOUR SHREDDER

Your shredder is designed for safe, efficient operation. KEEP HANDS AND FEET AWAY FROM ALL OPENINGS.
AC WARNING \
Wear the safety glasses provided with your unit while operating the shredder to prevent injury from any chips which may be ejected out of the openings. Make certain chip-it guide is closed when not in use.
Wear gloves when handling material. Feed material in
to the shredder at a steady rate. It is possible to feed too fast. Experiment with feeding rates to determine what rate provides the best results without stalling the engine or plugging the discharge chute.
The discharge chute will direct the shredded material
into a pile, a container or the bag provided with your
shredder.
Leaves and smaller branches can be fed into the hopper with the leaf ramp raised as shown in figures 9 and 10.
No larger than
1/2 inch diameter
^^Hopper
Chip-it
Guide
Ac WARNING \
The shredder discharges material with considerable velocity. Keep away from the area around the discharge chute. Always stop the engine and disconnect the spark plug wire when removing or attaching the
bag, when changing containers or when removing the shredded material.
Leaf
Ramp
FIGURE 10.
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Lower the leaf ramp by holding the handle and pulling
up on the release bar. See figure 11. Leaves and snail twigs can be raked into the shredder with the leaf ra mp in this position. See figure 12.
NOTE
Bulky material, such as stalks or heavy branches (anything up to 2" diameter), should be fed into the chip-it guide. See figure 14. Do not force or jam material in
to the chip-it guide. Make certain leaf ramp is raised as shown in figure 14 when using the chip-it guide.
t WARNING i
Make certain chip-it guide door is closed
A
when not in use.
Keep Leaf Ramp Raised
When Using Chip-lt Guide
FIGURE 12.
Small branches can also be fed into the leaf ramp. See figure 13.
No larger than
1/2 inch diameter
Leaf Ramp
FIGURE 13.
/iW/lLi.IKU
FIGURE 14

ADJUSTMENTS

CARBURETOR ADJUSTMENT

If any adjustments are made to the engine while the engine is running (e.g. car buretor), keep clear of all moving parts. Be careful of heated surfaces and muffler.
Minor carburetor adjustment may be required to com pensate for differences in fuel, temperature, altitude or load. If adjustment is needed, refer to the separate engine manual packed with your shredder.
A DIRTY AIR CLEANER WILL CAUSE
•ENGINE TO RUN ROUGH. BE CERTAIN
AIR CLEANER IS CLEAN AND ATTACH ED TO THE CARBURETOR BEFORE ADJUSTING CARBURETOR. DO NOT MAKE UNNECESSARY ADJUSTMENTS. FACTORY SETTINGS ARE SATISFAC
TORY FOR MOST APPLICATIONS AND
CONDITIONS.

\ WARNING j

NOTE
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MAINTENANCE

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Disconnect spark plug wire and ground it against the engine before performing any repairs or maintenance.

ENGINE

Refer to the separate engine manual packed with your unit for all engine maintenance procedures. Read instructions carefully.
AIR CLEANER The air cleaner prevents damaging dirt, dust, etc., from
entering the carburetor and being forced into the engine and is important to engine life and performance.
Never run your engine without air cleaner completely assembled.
To service air cleaner; refer to the separate engine manual packed with your unit.
"N
LUBRICATION Wheels - The wheels require no lubrication. Flails and Fingers - If the unit is disassembled for any
reason, lubricate the flails and fingers with a light oil
(engine oil may be used).
AC
WARNING {
Hold the blade retainer on the impeller assembly
5.
with an adjustable wrench to keep the blade from
turning as shown in figure 15. Remove the blade by removing the center bolt, lock
6.
washer and flat washer.
NOTE
Use caution when removing the blade to avoid contacting the weld bolts protruding from the housing.
WARNING
AC
The blade is reversible and can be assembled to the crankshaft with either side showing.
CUTTING BLADE The cutting blade may be removed for grinding or
replacement as follows.
1. Lower the upper guide extension.
2. Block up the housing. See figure 15.
3. Remove the four elastic lock nuts from the back
of the housing using a 1/2" wrench. Refer to figure
13. Separate the shredder into two halves.
4. Remove the back-up plate. See figure 15.
NOTE
When reassembling, make certain the opening on the back-up plate is toward the bottom of the unit. The back-up plate may be reversed to provide a new cutting edge.
When sharpening the blade, follow the original angle
of grind as a guide. It is extremely important that each
cutting edge receives an equal amount of grinding tp
prevent an unbalanced blade. An unbalanced blade will cause excessive vibration whèn rotating at high speeds and may cause damage to the unit.
The blade can be tested by balancing it on a round shaft screwdriver or nail. Remove metal from the heavy side until it balances evenly. See figure 16.
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When reassembling the blade, tighten to betweer. 375 and 450 inch pounds, or lacking torque wrench, tighten securely.
FLAILS AND FINGERS The ^lailsjand fingers may be reversed when they
become dull. It is suggested that this procedu e be performed by your nearest authorized service d taler.

OFF-SEASON STORAGE

If the shredder is to be inoperative for a period longer than 30 days, the following precautions are recommended.
1. Working outdoors, drain all fuel from the fuel tank.
Run the engine until it stops from lack of fuel.

WARNING

DO NOT DRAIN FUEL WHILE SMOKING, OR IF NEAR AN OPEN FIRE.
2.
Drain all the oil from the crankcase (this shoi Id be done after the engine has been operated and s still warm) and refill crankcase with fresh oil.
3.
Protect the inside of the engine for stora(|e as
follows. Remove spark plug, pour approximately 1/2 c unce
(approximately one tablespoon) of engine o I into cylinder and crank slowly to distribute oil. ReDlace spark plug.
Clean the engine and the entire unit thoroughly.
iJcrr '}?£M£.RSIBL£.
NOTE
When storing any type of power equipment in an unventilated or metal storage shed, care should be taken to rustproof the equipment. Using a light oil or silicone, coat the equipment, especially all moving parts.
5. Store in a clean, dry area.
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TROUBLE SHOOTING CHART

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SYMPTOM
POSSIBLE CAUSE(S)
SOLUTION
Engine fails to start
Hard starting or loss of power
Engine overheats
Material not shredding
Engine bogs down or
stalls
' JOTE: For repairs beyond the minor adjustments listed above, please contact your nearest authorized service dealer.
1. Check fuel tank for gas.
2. Spark plug lead wire
disconnected.
3. Faulty spark plug.
1. Spark plug wire loose.
2. Dirty air cleaner.
1. Carburetor not adjusted
properly
2. Air flow restricted.
3. Engine oil level low.
Blade and/or flails not sharp.
1. No fuel in fuel tank.
2. Feeding material into the
machine too quickly.
1. Fill tank if empty.
2. Connect lead wire.
3. Clean, adjust gap or replace.
1. Connect and tighten spark plug
wire.
2. Clean air cleaner as described in
separate engine manual.
1. Adjust carburetor as instructed in the
separate engine manual.
2. Remove blower housing and clean as described in the separate engine manual.
3. Fill crankcase with the proper oil.
Sharpen or reverse blade and flails.
1. Fill tank if empty.
2. Do not force material into the opening.
Feed gradually.
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Model 650
5^
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Model 650

PARTS LIST FOR MODEL 650 SHREDDER
Part
'>ef.
.tio.
1 11476 Door Chip It 31 714-0144 2 3 711-0580 Clevis Pin 4 711-0579 5 11455 Cutting Finger 33 11459A 6 7 8 712-0922 9 714-0507 Cotter Pin 3/32" Dia. x 3/4"
10 16568 Chute Deflector 11 712-0107 12 710-0289 Hex Bolt 1/4-20 x .50" Lg.* 13 14 13430 Impeller Assembly 41 15 710-0157 Hex Bolt 5/16-24 x 3/4" Lg. 42 16 736-0119 17 18 Engine 45 19
20
21 22 738-0521 23 736-0170
^24 726-0221 Push Cap
25 711-0494 Spacer
26
28 710-0624 29 30 710-0237
Color
No.
Code
710-0465
736-0921 L-Wash. 1/2" I.D.* 34 726-0111 Palnut 3/16" Dia. 35
714-0114
14573 Hopper to Engine Mtg. Plate 44
11464A 712-0123 736-0119
734-1056 Wheel Ass'y.-Comp. (White) 53 16522
734-1173 Wheel Ass'y-Comp. (Silver)
712-0429
Hex Bolt 1/2-20 x 4.50" Lg.*
Flail Spacer 7/32" Lg.
Hex Jam Nut 1/2-20 Thd.* 36 736-0247
Lg-
L.-Nut 1/4-20 Thd. 39 14575-638
Sq. Key 1/4" x 2.00" Lg.
L.-Wash. 5/16" I.D.*
Engine Mounting Plate N Hex Nut 5/16-24 Thd.* 47
L.-Wash. 5/16" I.D.* Shaft Special L-Wash. 5/16" I.D. 50 710-0601
Hex Bolt 5/16-24 x 1.50" Lg.* Elastic Lock Nut 5/16-18 Thd. Hex Bolt 5/16-24 x .62" Lg.*
Description
New
Ref.
Part
No.
32
37 38 710-0151 Hex Bolt 3/8-\24 x 2.0" Lg. H.T.
40 732-0546
43 747-0531
46
48 736-0264 49
52 11454
55 11480 56 710-0542 57
Part
Color
No.
'Code
Lg.* (Special)
736-0192
711-0564
711-0578 Clevis Pin .50" Dia. x 3.0" Lg.
736-0217
11477 11478
712-0109
13431 Blade 11460-638 16524-638 Lower Leaf Ramp Section
11481A-638 Hopper Assembly N
735-0639 764-0199 Bag (Not Shown) 723-0400
Fl.-Wash. .531" I.D. x 937
O.D. X .09 Flail Flail Spacer 23/32" Lg.
O.D. Hdn.x L.-Wash. 3/m: I.D. H.D.
Flail Housing Ass'y-Comp.
Torsion Spring .062 Dia. x 1.06
Lg.
Chip-lt Guide Ass'y. Hinge Pin Release Bar
Upper Leaf Ramp Section
Fl.-Wash. 5/16" I.D.
Hex Wash. Hd. Self-Tap Scr.
5/16-18 X .75" Lg. Back-Up Plate Inlet Guide Assembly Stop Washer
Safety Glasses (Not Shown)
Description
Cotter Pin 1/8" Dia. x 1.00"
Fl.-Wash. .406" I.D. x 1.25"
Wing Nut Elastic 1/4-20 Thd.
Hex Bolt 5/16-18 X 8.38" Lg. Spark Plug Boot (Optional)
New
Part
N
*For faster service obtain standard nuts, bolts and washers locally. If these items cannot be obtained locally, order part
number and size as shown on parts list.
638-Red 621 —Brilliant Fire Mist 483—Charcoal Gray
The engine is not under warranty by the shredder 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."
Specifications Subject to change without notice or obligation.
yyhen ordering parts if color or finish is important, use color code shown at left,
[i.e. (part no.) —638 for Red Finish]
NOTE
13
Find If Fast
In The
Yellow Pages
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REPLACEMENT PARTS • P.O. BOX 360900 • CLEVELAND, OHIO 44136
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