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O
PERATOR'S
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine'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 by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
M
ANUAL
CHIPPER-
SHREDDER-
VACUUM
MODEL
203B
FORM NO. 770-10023A
(5/99)
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Related Manuals for MTD Yard-Man 203B
Summary of Contents for MTD Yard-Man 203B
- Page 1 Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 368022 Cleveland, Ohio 44136-9722. MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722 PRINTED IN U.S.A.
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Page 2: Section 1: Finding Your Model Number
Operator’s Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support department. • Every chipper-shredder-vacuum has a model plate. You can locate it by standing behind the unit in the operating position and looking down at the rear frame between the wheels. -
Page 3: Section 3: Important Safe Operation Practices
SECTION 3: IMPORTANT SAFE OPERATION PRACTICES WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY OF YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE YOUR CHIPPER-VACUUM. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. - Page 4 • Never operate unit without either the inlet nozzle or 3. SERVICE optional hose attachment properly affixed to unit. • Use extreme care in handling gasoline and other These devices shield the operator from accidental fuels. They are extremely flammable and the contact with the rotating impeller.
- Page 5 WARNING - YOUR RESPONSIBILITY: Restrict the use of this power machine to persons who read, understand and follow the warnings and instructions in this manual and on the machine. WARNING TO AVOID SERIOUS INJURY • Read Owner's Manual and all safety labels on machine before starting and using machine. •...
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Page 6: Section 4: Assembly Instructions
SECTION 4: ASSEMBLY INSTRUCTIONS IMPORTANT: NOTE: This unit is shipped WITHOUT The metal tab in the nozzle must depress GASOLINE or OIL in the engine. After assembly, the safety switch on the front of the chipper- see separate engine operator’s manual for shredder-vacuum or the engine will not start. -
Page 7: Section 5: Operation
BEFORE USING YOUR CHIPPER-SHREDDER-VACUUM, REFER TO SECTION 3: IMPORTANT SAFE OPERATION PRACTICES OF THIS MANUAL. ALWAYS BE CAREFUL WEAR YOUR The operation of any chipper-shredder-vacuum can result in foreign objects being thrown SAFETY GLASSES into the eyes, which can damage your eyes severely. Always wear the safety glasses provided with this unit or eye shields before chipping, or while performing any adjustments or repairs. -
Page 8: To Stop Engine
NOTE: You may hear a noise when reaching 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. In addition, the flails and fingers will be noisy after the engine is started, until the impeller reaches full speed. -
Page 9: Carburetor Adjustment
CARBURETOR ADJUSTMENT WARNING: If any adjustments are made to the engine while the engine is running (e.g., carburetor), keep clear of all moving parts. Be careful of heated surfaces and muffler. Minor carburetor adjustment may be required to Smaller Hole compensate for differences in fuel, temperature, Larger Hole (Swivel Freely) -
Page 10: Section 7: Lubrication
REMOVING THE FLAIL SCREEN SECTION 7: LUBRICATION If the discharge area becomes clogged, remove the flail Wheels- Rear wheels are provided with light oil screen and clean area as follows. bearings. Place a few drops of SAE 30 oil on each 1. -
Page 11: Belt Removal And Replacement
SHARPENING OR REPLACING CHIPPER 6. Remove the other blade in the same manner. Replace or sharpen blades. If sharpening, make BLADES certain to remove an equal amount from each blade. 1. Disconnect the spark plug wire and ground it away Reassemble in reverse order. - Page 12 8. Tip the unit backwards so that it rest on the 15. If the old belt is still on the unit, cut belt and handles. remove. 9. Remove the lower belt guard by removing the 16. Remove impeller assembly from two self-tapping screws.
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Page 13: Section 9: Off-Season Storage
19. Press down on the belt guard spring by the idler pulley and release spring from the slot on the idler bracket. Place the belt on the idler pulley and place belt guard spring back into the slot on the idler bracket. See Figure 20. 20. -
Page 14: Section 11: Trouble Shooting Guide
SECTION 11: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) Corrective Action Engine fails to start Dirty air cleaner. Refer to the engine manual packed with your unit. Fuel tank empty or stale fuel. Fill tank with clean, fresh gasoline. Fuel will not last over thirty days unless a fuel stabilizer is added. - Page 15 Model 203B...
- Page 16 Model 203B REF. PART DESCRIPTION 681-0095 Chipper Chute 712-3010 Hex Nut 5/16-18 736-0242 Bell Washer .340 ID x .872 OD 731-1690A Discharge Chute 764-0492 631-0069 Nozzle Asm 731-1831 Nozzle Flap 710-0969 Screw 720-0190 Height Adjustment Knob 732-0754 Spring Lever 781-0702 Index Bracket RH 781-0703 Index Bracket LH...
- Page 17 Model 203B REF. PART DESCRIPTION REF. PART DESCRIPTION 681-0108 Impeller Ass’y Complete 681-0098 Housing Ass’y Inner Flail 719-0329 Flail Blade 781-0599 Upper Shredder Blade 715-0166 Spiral Pin 736-0119 Lock Washer 5/16 681-0107 Impeller Assembly 710-0772 Hex Cap Screw 5/16-18 x 2 711-0833B Clevis Pin 781-0653...
- Page 18 Model 203B IMPORTANT: For a proper working machine, use Factory Approved Parts. V-Belts are specially designed to engage and disengage safely. A substitute (non OEM) V-belt can be dangerous by not disengaging completely. REF. PART DESCRIPTION REF. PART DESCRIPTION 781-0677 Chain Case LH 634-0129 Rim Asm Complete...
- Page 19 Model 203B REF. PART DESCRIPTION REF. PART DESCRIPTION 618-0255 Transmission Assembly Complete 736-0520 Flat Washer .504 ID x .70 OD 16500A Hex Bearing Cup 741-0479 Thrust Bearing .375 ID x .812 OD 711-1118 Output Shaft 6T Sprocket 656-0008 Pulley Ass’y Idler w/ Bearing 717-1432 Helical 34T Gear 741-0556...
- Page 20 Model 203B...
- Page 21 Model 203B REF. PART DESCRIPTION REF. PART DESCRIPTION 749-0996 Upper Handle 710-0157 Hex Cap Screw 5/16-24 x .75 1539-019 Push Nut 710-3103 Hex Cap Screw 5/16-18 x 1.75 711-0737 Stud Pin .250 x 1.75 749-0980 Lower Push Handle 746-0714 Clutch Cable 56" 710-0502A Screw 3/8-16 x 1.25 731-1735...
- Page 24 MANUFACTURER’S LIMITED WARRANTY FOR: b. Routine maintenance items such as lubricants, filters, The limited warranty set forth below is given by MTD blade sharpening and tune-ups, or adjustments such PRODUCTS INC (“MTD”) with respect to new merchan- as brake adjustments, clutch adjustments or deck dise purchased and used in the United States, its posses- adjustments;...