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Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR’S MANUAL
*Model Series 460 Shown
Chipper Shredder — Model Series 450 and 460
IMPORTANT
READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION
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 arreste
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This Operator’s Manual is an important part of your new chipper shredder. It will help you assemble, pre- pare and maintain the unit for best performance. Please read and understand what it says. Table of Contents Customer Support .............................................. Maintaining Your Chipper Shredder ................ 1 Safety Labels ...................................................... 3 Troubleshooting ................................................ 14 Safe Operation Practices .
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Safety Labels Found On Your Chipper Shredder 1 DANGER DANGER TO AVOID SERIOUS INJURY: • Read the owner's manual(s) before starting and Safety TO AVOID SERIOUS INJURY: using unit. • Do not operate on uneven ground where unit is • Keep all shields and guards in place and securely unstable. Do not operate on pavement, gravel or attached. Labels other hard surfaces since objects can ricochet • Keep hands, feet, face, clothing and long hair out of and cause injury. Shredder Hopper, Chipper Chute a
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WARNING: Engine Exhaust, some of its constituents, and certain vehicle compo- nents contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm. DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. This machine is capable of amputating hands and feet and throwing objects
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Operation Maintenance & Storage 1. Do not put hands and feet near rotating parts or in the 1. Never tamper with safety devices. Check their proper feeding chambers and discharge opening. Contact with the operation regularly. rotating impeller can amputate fingers, hands, and feet. 2. Check bolts and screws for proper tightness at frequent 2. Before starting the machine, make sure the chipper chute, intervals to keep the machine in safe working condition. feed intake, and cutting chamber are
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IMPORTANT: This unit is shipped without gasoline or oil in the engine. Be certain to service engine with gasoline and oil as instructed in the separate engine manual A before operating your machine. 3 Loose Parts In Carton a. Hopper Assembly d. Bag b. Chute Deflector e. Safety Glasses Setting Up c. Chipper Chute f. Engine Oil Your Chipper Attaching The Hopper Shredder Assembly 1. a. Remove six hex nuts and washers from the weld B studs on the impeller housin
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Attaching The Chute Deflector 3. a. Remove the wing knobs from each side of the lower B impeller housing. b. Remove the hex lock nut, spacers, and hex bolt from 3 the top of the impeller housing. See Figure 3-3. A 4. a. Align the chute deflector in position on the discharge opening and insert hex bolt with spacer Setting Up through hinge on chute deflector (spacers fit inside of hinges). See Figure 3-4. Your Chipper b. Place second spacer over hex bolt inside other C Shredder hinge and
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7. The chipper shredder was shipped with one end of the support brace already secured to the lower frame. Loosen but do not remove the bolts securing the brace to the frame. See Figure 3-7. 3 a. Align the holes in the chute with the holes in the top of the brace and attach brace to chipper chute with hardware previously removed. Tighten securely. A Setting Up b. Tighten the bolts securing the support brace to the frame. Your Chipper c. Tighten the three nuts on the weld studs holding
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9. a. Align the chipper chute over the weld studs, so the slot in the bottom of the chute is facing down. b. Secure chipper chute with the three cupped washers (cupped side against the chipper chute) and hex nuts previously removed. Tighten the nuts 3 at this time. See Figure 3-9. Attaching The Bag Setting Up 10. To attach the bag: Your Chipper a. Place the opening of the bag completely over the chute deflector. Shredder b. Pull on the drawstring until the bag is tight around chute def
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Know Your Chipper Shredder 4 Hopper Assembly Operating Release Rod Your Chipper Shredder Chipper Chute WARNING The operation of any chipper shredder can result in foreign Tow Bar† objects being thrown † If Equipped into the eyes, which *Model 464 Shown with Optional Tow Bar can damage your Figure 4-1 eyes severely. Always Now that you have set up your chipper shredder for wear the safety Gas and Oil Fill-Up operation, get aquainted with its controls and features. 1. Check oil level an
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This Operators Manual covers a range of product specifications for various models. Characteristics and fea- tures discussed and/or illustrated in this manual may not be applicable to all models. MTD LLC reserves the right STOP to change product specifications, designs and equipment 4 without notice and without incurring obligation. Starting Engine Operating Your Chipper WARNING: Never run the engine Figure 4- indoors or in a poorly ventilated area. Shredder Engine exhaust contains carbon
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Lubrication 1. Lubricate the release rod and spring with light oil once a season. See Figure 5-1. Lubricate these 2. Lubricate the pivot points on the hopper assembly with points before 5 light oil once a season. See Figure 5-1. reassembly. 3. Lubricate the pivot points on the discharge chute with light oil once a season. See Figure 5-1. Maintaining 4. Follow the accompanying engine manual for lubrica- Your Chipper tion schedule and instruction for engine lubrication. Shredder Engine Car
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6. Remove the blade by removing the internal hex screws, lock washers, and hex nuts which secure it to the impeller. Retain the hardware. See Figure 5-3. NOTE: Use a 3/16” hex key (Allen) wrench on the outside 5 of the blade and a 1/2” box (or socket) wrench on the inside of the impeller. Hold the Allen wrench stationary and rotate the box (or socket) wrench to loosen the nut. Maintaining Your Chipper 7. Install a replacement blade (Part No. 781-0490) with the hardware removed earlier or
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Problem Cause Remedy 1. Throttle lever not in correct starting 1. Move throttle lever to FAST or Engine fails to start position (if equipped). START position. 6 2. Spark plug wire disconnected. 2. Connect wire to spark plug. 3. Choke not in CHOKE position (if 3. Move choke lever to CHOKE Trouble equipped). position. 4. Fuel tank empty or stale fuel. 4. Fill tank with clean, fresh gasoline. Shooting 5. Engine not primed (if equipped). 5. Prime engine as instructed in Engine Manual. 6. Clean,
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NOTES Use this page to make notes and write down important information. 15
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Model Series 450 and 460 9 8 4 2 2 10 7 3 12 10 6 20 19 17 11 22 14 21 7 8 13 16 23 27 15 23 1 25 11 18 5 16 24 18 13 11 26 35 34 34 33 38 32 30 38 36 31 40 41 34 38 39 29 34 43 42 34 38 37 28 35 34 35 16
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Ref. Part No. Description No. 1. 736-0217 Lock Washer, 3/8 2. 714-0149B Cotter Pin 3. 681-0048 Wing Knob 5/16-18 4. 681-0094 Chute Deflector Assembly Parts List 5. 711-0835 Clevis Pin 6. 781-0457 Shredder Screen 7. 726-0211 U-Nut 5/16-18 8. 750-0793 Spacer 9. 712-3027 Hex Lock Nut, 1/4-20 10. 712-3004A Hex Lock Nut 5/16-18 11. 736-0119 Lock Washer 5/16 12. 681-0117 Inner Impeller Housing Assembly 13. 710-3025 Hex Cap Screw 5/16-18 x.625 To order replacement 14. 710-0157 Hex Cap Screw 5
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19 Model Series 450 and 460 25 26 24 13 1 10 3 4 8 31 6 7 2 9 9 33 12 27 8 30 6 9 22 7 32 35 21 34 5 29 7 28 33 11 10 23 15 16 17 14 20 17 19 18 20 1
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Ref. Part No. Description No. 1. 728-0175†† Pop Rivet 2. 681-0095† Chipper Shredder Chute 731-1899†† Chipper Shredder Chute 3. 735-0249†† Chute Flap Parts List 4. 781-0633†† Chute Flap Strip 5. 681-0068A†† Chipper Chute Assembly 6. 710-0751†† Hex Cap Screw 1/4 -20 x.620 7. 712-3027†† Hex Lock Nut 1/4-20 8. 710-0106†† Hex Cap Screw 1/4-20 x 1.25 9. 736-0173†† Flat Washer.28 ID x.74 OD 10. 736-0242 Bell Washer.340 ID x.872 OD 11. 712-3010 Hex Nut 5/16-18 12. 749-1004†† Support Brace To order r
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MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with c. Routine maintenance items such as lubricants, filters, blade respect to new merchandise purchased and used in the United States sharpening, tune-ups, brake adjustments, clutch adjustments, and/or its territories and possessions, and by MTD Products Limited deck adjustments, and normal deterioration of the exterior finish with respect to new merchandise purchased and used in Canada and/ due to
