Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty Operator’s Manual Chipper Shredder — Model Series 45M4 WARNING READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE THIS MACHINE. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 Printed In USA Form No.
1 To The Owner Thank You Thank you for purchasing a Chipper Shredder manufactured by MTD LLC. It was carefully engineered to provide excellent performance when properly operated and maintained. If applicable, the power testing information used to establish the power rating of the engine equipped on this machine can be found at www.opei.org or the engine manufacturer’s web site. Please read this entire manual prior to operating the equipment.
Important Safe Operation Practices 2 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 this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol.
Safe Handling of Gasoline: 4. To avoid personal injury or property damage use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite. Wash your skin and change clothes immediately. If it becomes necessary to push material through the shredder hopper, use a small diameter stick. Do not use your hands or feet. 5.
3. Before cleaning, repairing, or inspecting, stop the engine and make certain the impeller and all moving parts have stopped. Disconnect the spark plug wire and ground it against the engine to prevent unintended starting. 4. Do not change the engine governor settings or overspeed the engine. The governor controls the maximum safe operating speed of the engine. 5. Maintain or replace safety and instruction labels, as necessary. 6.
Safety Symbols This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the machine before attempting to assemble and operate. Symbol Description READ THE OPERATOR’S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting to assemble and operate WARNING— ROTATING BLADES Keep hands out of inlet and discharge openings while machine is running.
3 Assembly & Set-Up Contents of Carton • One Chipper Shredder • One Operator’s Manual • One Engine Operator’s Manual • One Hopper Assembly • One Bag • One Chipper Chute • One Chute Deflector • One Safety Glasses • One Bottle of Oil Assembly NOTE: This unit is shipped without gasoline or oil in the engine. Fill up gasoline and oil as instructed in the accompanying engine manual BEFORE operating your chipper shredder. A Hopper Assembly 1.
3. Align the chute deflector in position on the discharge opening and insert hex bolt with spacer through hinge on chute deflector (spacers fit inside of hinges). See Figure 3-4A. 3. Figure 3-4 4. Place second spacer over hex bolt inside other hinge and secure with hex lock nut. See Figure 3-4B. 5. Secure both sides of chute deflector to impeller housing using wing knobs previously removed. See Figure 3-4C. Chipper Chute 1.
Set-Up Gas and Oil Fill-Up Refer to the separate engine owner’s manual for additional engine information. 1. Add oil provided before starting unit for the first time out of the box. 2. Service the engine with gasoline as instructed in the separate engine owner’s manual. WARNING: Use extreme care when handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Never fuel the machine indoors or while the engine is hot or running.
4 Controls and Features Hopper Fuel Fill Cap Release Rod Oil Fill Cap Chipper Chute Discharge Chute Figure 4-1 Chipper Chute Discharge Chute Allows twigs and small branches up to 2” in diameter to be fed into the impeller for chipping. Debris exists the machine’s reduction chamber through the discharge chute. Hopper Oil Fill Cap Allow leaves and small branches up to 1/2 diameter to be fed into the impeller for chipping and shredding.
5 Operation WARNING: The operation of any chipper shredder 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 shredding and while performing any adjustments or repairs. Starting Engine Refer to the engine operator’s manual for the starting instructions. Lowering the Hopper 1. With one hand grasp the handle at the top of the hopper and lift slightly. 2.
Emptying the Bag 1. Stop engine. 2. Un-clip drawstring and loosen bag from chute deflector opening. See Figure 5-1. 3. Empty bag and reattach to the discharge chute opening. Pull on the drawstring until the bag is tight around the chute opening and clip the drawstring tight against the chute deflector.
6 Maintenance & Adjustments Maintenance Equipment Care General Recommendations • Clean the chipper shredder thoroughly after each use. • Wash bag periodically with water. Allow to dry thoroughly in shade. • If the discharge area becomes clogged, remove flail screen and clean as instructed below. • Always observe safety rules when performing any maintenance. • The warranty on this chipper shredder does not cover items that have been subjected to operator abuse or negligence.
Removing the Flail Screen WARNING: The impeller’s shredder blade and chipper blades are sharp. Wear leather work gloves to protect your hands when cleaning out the reduction chamber. If the discharge area becomes clogged, remove the flail screen and clean area as follows: 1. Stop engine and make certain the chipper shredder has come to a complete stop. WARNING: The muffler and surrounding area will be hot if the engine has been running. Use caution and protect your hands if working near the muffler. 2.
7 Service Blade Care 5. Chipper Blades Remove the blade by removing the internal hex screws, lock washers, and hex nuts which secure it to the impeller. See Figure 7-2. Retain the hardware. WARNING: Always stop engine, disconnect spark plug, and ground against engine before cleaning, lubricating or doing any kind of maintenance on your machine. 1. Disconnect the spark plug wire and ground against the engine. 2. Remove the flail screen as instructed in the previous section. 3.
Shredder Blade 8. 1. Stop the engine and make certain that all moving parts have come to a complete stop. 2. Disconnect the spark plug wire and ground against the engine. 3. Lower the hopper assembly and block up the housing. 4. Remove the six hex lock nuts and flat washers from the weld studs on the flail housing. See Figure 7-3A. Retain the hardware. Remove the two internal hex screws, lock washers, and hex lock nuts which secure the shredder blade to the impeller. See Figure 7-4A.
8 Troubleshooting Problem Cause Remedy Excessive Vibration 1. Loose parts or damaged impeller. 2. See authorized service dealer. Unit does not discharge 1. Discharge area clogged. 1. Stop engine immediately and disconnect spark plug wire. Clean flail screen and inside of discharge opening. 2. Foreign object lodged in impeller. 2. Stop engine and disconnect spark plug wire. Remove lodged object. 3. Low engine RPM. 3. Always run engine at full throttle. 1. Low engine RPM. 1.
9 Replacement Parts Component Part Number and Description 942-0571 Shredder Blade 981-0490 Chipper Blade 719-04308 Flail Blade (3 total) 934-1600 Wheel Asm Comp 10 X 2.50 Phone (800) 800-7310 to order replacement parts or a complete Parts Manual (have your full model number and serial number ready). Parts Manual downloads are also available free of charge at www.mtdproducts.com.
Notes 10 19
MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States and/or its territories and possessions, and by MTD Products Limited with respect to new merchandise purchased and used in Canada and/or its territories and possessions (either entity respectively, “MTD”). b.