OPERATOR'S MANUAL CHIPPER SHREDDER VACUUM Model 020 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 forestcovered, brush-covered or grass_overed land unless the engine's exhaust system is equipped with a spark attester 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.
SECTION 1: FINDING YOUR MODEL NUMBER This Operator's Manual is an important part of your new chipper shredder vacuum. It will help you assemble, prepare and maintain your unit. Please read and understand what it says. Before you start to prepare your chipper-shredder vacuum for its first use, please locate the model plate and copy the information from it in this 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.
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 SHEDDER VACUUM. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOL, HEED ITS WARNING.
• Never attempt toremove oremptyvacuum bag when engine is running. Shut the engine off and wait for the impeller to come to a complete stop before removing the bag. The impeller continues to rotate for a few seconds after the engine is shut off. Never place any part of the body in the impeller area until you are sure the impeller has stopped rotating. • Keep all guards and safety devices in place and operating properly.
i_ read, understand and follow the warnings and instructions in this manual and on the machine. WARNING - YOUR RESPONSIBILITY: Restrict the use of this power machine to persons who TO AVOID SERIOUS ]NJURY READ OPERATOR'S MANUAL. KEEP HANDS OUT OF INLET AND DISCHARGE OPENINGS WHILE MACHINE IS RUNNING. ROTATING BLADES ARE INSIDE. TURN ENGINE OFF AND ALLOW IMPELLER TO COME TO COMPLETE STOP BEFORE REMOVING BAG. DO NOT ATTEMPT TO CLEAR A CLOG OR JAM WITH THE ENGINE RUNNING.
ATTACHING THE HANDLE 1. Disconnect the spark plug wire from the spark plug and ground it against the engine. Handle 2. Fold out the upper handle until it aligns with lower handle. Make sure the rope guide is on the right side of upper handle. See Figure 3. Bag 3. Secure by tightening the wing nuts which connect the two handles together. 4. Remove the hairpin clips from the handle brackets and the carriage screws and wing nuts from the lower handle. See Figure 4. 5.
SECTION 5: OPERATION The operation of any chipper shredder vacuum blower can result in foreign objects being thrown into the eyes, which can damage your eyes severely. Always wear the safety glasses provided with this unit or eye shields before chipping or blowing and while performing any adjustments or repairs. We recommend Wide Vision Safety Mask for over spectacles or standard glasses. Before using your Chipper Shredder Vacuum, Refer to SECTION 3: IMPORTANT SAFE OPERATION PRACTICES of this manual.
IMPORTANT: Bag Handle The flail screen located inside the housing in the discharge area. If the flail screen becomes clogged, remove and clean as instructed in SECTION 6: MAINTENANCE. For best performance, it is important to keep the chipper blade sharp. Refer to SECTION 6: MAINTENANCE. WARNING: Do not at any time make any adjustment to the unit without first stopping engine and disconnecting spark plug wire. NOZZLE Figure 7 TO REMOVE BLOWER CHUTE (If Equipped) 1. 2.
Minor carburetor adjustment may be required to compensate for differences in fuel, temperature, altitude or load. Do not make unnecessary adjustments. Factory settings are satisfactory for most applications and conditions. If adjustment is needed, refer to the separate engine manual packed with your chipper shredder vacuum. NOTE: A dirty air cleaner will cause engine to run rough. Be certain air cleaner is clean and attached to the carburetor before adjusting carburetor.
Top/ Hex Screw Lower Housing Screws Figure 12 SHARPENING BLADE OR REPLACING CHIPPER Nozzle Screws Figure 14 Because the engine on this unit has a tapered crankshaft, a special impeller removal tool (part number 7530638) is required to remove the impeller assembly. For further assistance, contact your local service dealer. 5. lower housing. The flail screen does not have to be removed. See Figure 10 and Figure 12. 6.
10. Replace or sharpen chipper blade. SECTION 7: OFF-SEASON 11. When sharpening blade, protect hands by using gloves and follow the original angle of grind. STORAGE 12. Reassemble by performing steps 1 through 9 in reverse order. The following steps should be taken to prepare your chipper shredder vacuum for storage. • Tighten blade screws to 210 - 250 in-tbs. 1. Remove all dirt from exterior of engine and equipment. 2. Refer to engine manual for correct engine storage instructions. 3.
Model 020 12 11 6 13 i /25 31 i I I 12 32
REF PART DESCRIPTION NO. NO. 1 725-1700 Switch Cover 2 725-3166 Safety Switch 3 710-0224 Hex Washer Screw #10-16 x .50 4 629-0920 Wire Harness 5 710-0604 Hex Washer Screw 5/16-18 x .625 6 714-0104 Cotter Pin 7 736-0264 Fiat Washer .330 ID x .630 OD 8 732-0962 Compression Spring 9 781-0778 Mounting Bracket 10 747-1153 Lock Rod 11 710-3008 Hex Cap Screw 5/16-18 x .75 12 681-0122 Chipper Chute Ass'y 13 726-0454 U-Clip Lock Nut 5/16-18 15 710-O5O2AHex Washer Screw 3/8-16 x 1.25 16 710-0969 Screw #12-16 x 1.
Model 020 2 35 8 \ 10 12 12 13 \ 15 14 16 17 19 12 14 17 20 27 34 28 14
REF PART NO. NO. 1 720-0295 2 749-0438C 3 720-0279 4 710-1205 5 720-0276 6 710-1174 7 749-0907A 8 664-0090 9 711-1293 10 712-0397 11 710-0703 12 726-0453 13 781-0777 14 712-3004A 15 714-0104 16 681-0155 681-0156 17 710-3025 DESCRIPTION Foam Grip Upper Handle Knob Eye Bolt Handle Knob 5/16-18 Carriage Bolt Lower Handle Bag Ass'y Studs Wing Nut 1/4-20 Carriage Screw 1/4-20 x.
MANUFACTURER'S LIMITED WARRANTY FOR: YaRD-MaN)f/ The limited warranty set forth below is given by MTD PRODUCTS INC ("MTD") with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in material or workmanship.