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Table of Contents 

CHAPTER 1  ................................................................................................................................................ 1 

INTRODUCING THE DR 10 HP CHIPPER.......................................................................................... 1 

Conventions used in this manual ........................................................................................................ 1 

CHAPTER 2  ................................................................................................................................................ 3 

GENERAL SAFETY RULES.................................................................................................................... 3 

Labels .................................................................................................................................................. 3 

Protecting Yourself and Those Around You ........................................................................................ 6 

Safety for Children and Pets ................................................................................................................. 7 

Safety with Gasoline - Powered Engines .............................................................................................. 7 

General Safety ....................................................................................................................................... 8 

A Note to All Users ............................................................................................................................... 9 

Additional Information and Potential Changes ................................................................................... 9 

CHAPTER 3  .............................................................................................................................................. 11 

SETTING UP YOUR DR 10 HP CHIPPER .......................................................................................... 11 

Unpacking ........................................................................................................................................ 11 

Attaching the Chipper Hopper ........................................................................................................... 13 

Check the Tire Pressure ...................................................................................................................... 13 

Adding the Engine Oil and Gasoline.................................................................................................. 14 

CHAPTER 4  .............................................................................................................................................. 17 

OPERATING YOUR DR 10 HP CHIPPER .......................................................................................... 17 

Before Starting the Engine.................................................................................................................. 17 

Operation Notes ................................................................................................................................. 18 

Processing Limbs and Branches ........................................................................................................ 19 

Starting and Stopping the Engine ...................................................................................................... 20 

Using the Chipper Hopper ................................................................................................................. 21 

To Free a Jammed Flywheel................................................................................................................ 22 

CHAPTER 5  .............................................................................................................................................. 25 

MAINTAINING THE DR 10 HP CHIPPER......................................................................................... 25 

Regular Maintenance Check List ........................................................................................................ 25 

Grease Fittings.................................................................................................................................... 26 

Removing and Replacing the Engine Oil ........................................................................................... 27 

Adjusting or Removing and Replacing the Drive Belt ....................................................................... 28 

Removing and Replacing the Chipper Knife ...................................................................................... 31 

Knife Sharpening................................................................................................................................. 31 

Adjusting the Knife to Wear Plate Gap............................................................................................... 33 

Removing and Replacing the Clutch .................................................................................................. 34 

End of Season and Storage................................................................................................................. 37 

CHAPTER 6  .............................................................................................................................................. 39 

TROUBLESHOOTING........................................................................................................................ 39 

Troubleshooting Table........................................................................................................................ 39 

CHAPTER 7  .............................................................................................................................................. 42 

PARTS LISTS, SCHEMATIC DIAGRAMS AND WARRANTY............................................................. 42 

Parts List - DR 10 HP CHIPPER ......................................................................................................... 42 

Schematic - DR 10 HP CHIPPER........................................................................................................ 43 

Parts List - Chipper Assembly............................................................................................................. 44 

Schematic - Chipper Assembly........................................................................................................... 45 

Notes .............................................................................................................................................. 46 

Warranty ........................................................................................................................................... 47 

Summary of Contents for 10 HP CHIPPER

Page 1: ...READ AND UNDERSTAND THIS MANUAL AND ALL INSTRUCTIONS BEFORE OPERATING THIS CHIPPER DR 10 HP CHIPPER SAFETY OPERATING INSTRUCTIONS...

Page 2: ...r Technical Support Representatives will be happy to help you We also hope to hear from you on how much you like your new helper In addition please tell your friends about your new DR 10 HP CHIPPER Ha...

Page 3: ...rting the Engine 17 Operation Notes 18 Processing Limbs and Branches 19 Starting and Stopping the Engine 20 Using the Chipper Hopper 21 To Free a Jammed Flywheel 22 CHAPTER 5 25 MAINTAINING THE DR 10...

Page 4: ...iv DR 10 HP CHIPPER...

Page 5: ...entions used in this manual THIS INDICATES A HAZARDOUS SITUATION WHICH IF NOT AVOIDED COULD RESULT IN DEATH OR SERIOUS INJURY THIS INDICATES A HAZARDOUS SITUATION WHICH IF NOT AVOIDED COULD RESULT IN...

Page 6: ...2 DR 10 HP CHIPPER...

Page 7: ...TING WITH HIGH ENERGY AT HIGH SPEEDS YOU MUST USE PROPER CLOTHING AND SAFETY GEAR WHEN OPERATING THIS MACHINE TO PREVENT OR MINIMIZE THE RISK OF SEVERE INJURY THIS MACHINE CAN CRUSH GRIND CUT AND SEVE...

Page 8: ...0380 To avoid injury keep your hands and feet out of the Inlet and Discharge Chutes 091 0055 To avoid injury keep your hands and feet out of the Inlet and Discharge Chutes 091 0057 To avoid injury ke...

Page 9: ...engine oil before starting the DR 10 HP CHIPPER 091 0256 WARNING Check Oil Before Starting Engine CAUTION CLUTCH DAMAGE DUE TO ENGINE OVERLOAD CAN BE VERY COSTLY AND MAY NOT BE COVERED UNDER WARRANTY...

Page 10: ...F PEOPLE ANIMALS BUILDINGS GLASS OR ANYTHING ELSE THAT WILL OBSTRUCT CLEAR DISCHARGE CAUSE INJURY OR DAMAGE WIND CAN ALSO CHANGE DISCHARGE DIRECTION SO BE AWARE IF IT BECOMES NECESSARY TO PUSH MATERIA...

Page 11: ...E TO COOL COMPLETELY DO NOT HANDLE GASOLINE IF YOU OR ANYONE NEARBY IS SMOKING OR IF YOU ARE NEAR ANYTHING THAT COULD CAUSE IT TO IGNITE OR EXPLODE REINSTALL THE FUEL TANK AND FUEL CONTAINER CAPS SECU...

Page 12: ...TO BUILD UP IN THE DISCHARGE AREA AS THIS WILL PREVENT PROPER DISCHARGE AND CAN RESULT IN KICKBACK FROM THE CHIPPER HOPPER WHENEVER YOU LEAVE THE OPERATING POSITION OR IF YOU HAVE TO REMOVE PROCESSED...

Page 13: ...sers Under California law and the laws of some other states you are not permitted to operate an internal combustion engine using hydrocarbon fuels without an engine spark arrester This also applies to...

Page 14: ...10 DR 10 HP CHIPPER...

Page 15: ...toll free number 1 800 DR OWNER 376 9637 Unpacking NOTE We recommend two people for unpacking as the unit weighs 207 pounds Tools and Supplies Needed Gloves Metal Shears Side Cutters Eye Protection P...

Page 16: ...llet Be careful when cutting the banding 2 Remove the Parts Box containing the Chipper Hopper assembly hardware manuals etc from the shipping container 3 With the help of another person carefully lift...

Page 17: ...ck Nut on each bolt Initially install the Bolts and Nuts finger tight and then tighten the Nuts one 1 turn using two 2 1 2 wrenches Figure 1 Check to see that the Hopper is centered on the Inlet Chute...

Page 18: ...special additives Other types of oil could cause problems operating your machine Please refer to your Engine Owner s Manual for detailed oil information 1 Place the machine on a level surface and ini...

Page 19: ...CALL TOLL FREE 1 800 DR OWNER 15 Figure 2 Front Back...

Page 20: ...16 DR 10 HP CHIPPER...

Page 21: ...LL MOVING PARTS TO COME TO A COMPLETE STOP AND COOL DISCONNECT THE SPARK PLUG WIRE KEEPING IT AWAY FROM THE SPARK PLUG USE ONLY A WOODEN STICK TO CLEAR JAMMED MATERIAL AFTER ALL MOVING PARTS HAVE STOP...

Page 22: ...of discharge clear of people animals buildings glass or anything else that will obstruct clear discharge cause injury or damage Wind can also change discharge direction so be aware ALWAYS operate the...

Page 23: ...material Green material will process quicker and easier than dry material Soft wood processes easier than hard wood Your operator experience will teach you how different materials chip and how fast yo...

Page 24: ...wly push the Choke Control lever Figure 3 on page 17 to the left RUN position Wait until the engine runs smoothly before each Choke adjustment For best engine performance it is recommended that the en...

Page 25: ...r Plate needs adjusting See page 33 Extremely hard knots will not process very well Push any short stubs that have not self fed through the Chipper through with the next branch to be chipped NEVER THR...

Page 26: ...OVING THE DEFLECTOR OR AT ANY OTHER TIME THIS WILL CAUSE DAMAGE TO THE MACHINE 2 Check to see if the Deflector or Discharge opening is clogged If it is clear it with a branch 3 With a wooden stick loo...

Page 27: ...Bolt 5 Pull up on the end of the Deflector and tighten the two 2 Lock Nuts 6 Reconnect the spark plug wire and start the Chipper engine allowing the material in the Chipping Chamber to discharge 7 If...

Page 28: ...24 DR 10 HP CHIPPER...

Page 29: ...eck List NOTE Consider that the service intervals shown are the maximum under normal operating conditions Increase frequencies under extremely dirty or dusty conditions Procedure Before Each Use Every...

Page 30: ...ithium grease Clean cloth 5 32 Allen Wrench Loctite 243 if needed 1 Wipe all dirt etc from the grease fittings with a clean cloth Figure 6 2 Apply no more than three 3 pumps of quality general purpose...

Page 31: ...e oil when the engine is warm Warm oil drains quickly and completely 1 Position a suitable oil receptacle under the engine oil Drain Valve located at the Handle Bars side of the engine and remove the...

Page 32: ...in the Front and 2 in the Rear using two 2 1 2 Wrenches one 1 on the Bolt and one 1 on the Nut underneath Figure 9 on page 29 3 Tighten or loosen the nut on the Belt Tensioner Figure 9 on page 29 usi...

Page 33: ...Set Screws and reinsert them into the Drive Pulley Hub d Tighten the Set Screws while maintaining the alignment of the Clutch and Rotor Pulley Figure 11 e Recheck the alignment after tightening the Se...

Page 34: ...30 DR 10 HP CHIPPER Figure 11 Rotor Pulley Adjust Bolt Drive Pulley Drive Belt Key Set Screw 2 places Rotor Shaft...

Page 35: ...ted during the sharpening process will damage Knives and weaken the metal Be sure not to overheat the Knife during sharpening because it will shorten the life of the Knife Take the Chipper Knife to a...

Page 36: ...screws 7 Remove the dull or damaged Knife and visually inspect the Chipper Disk Slot and Knife mounting area and be sure they are clean and that the replacement Knife will be able to mount flush again...

Page 37: ...page 13 in the reverse order 2 Rotate the Chipper Disk using a stick until the Knife is opposite the Wear Plate 3 To adjust the Wear Plate Gap loosen the three 3 1 4 Nuts and Bolts while holding the...

Page 38: ...rotor Proper rotor speed is 2400 RPM 200 RPM DO NOT TAMPER WITH THE ENGINE S GOVERNOR SETTING THE GOVERNOR CONTROLS THE MAXIMUM SAFE OPERATION SPEED AND PROTECTS THE ENGINE OVER SPEEDING THE ENGINE I...

Page 39: ...sher and Flat Washer and then slide the Clutch Assembly from the crankshaft NOTE The shim behind the Clutch remains on the engine crankshaft 4 Remove the Key from the keyway in the engine crankshaft a...

Page 40: ...d ones were removed 6 Place one end of each Spring over a Shoe pin stretch the Spring just enough to clear pin on the other Shoe Use tape wrapped pliers to avoid nicking the Spring Avoid over stretchi...

Page 41: ...ve Belt for wear Change the oil and oil filter if applicable Lubricate all grease fittings See page 26 Remove the spark plug and pour about 1 ounce of motor oil into the cylinder hole Reinstall the pl...

Page 42: ...38 DR 10 HP CHIPPER...

Page 43: ...and reinstall it The recoil may be broken or jammed Try to turn the engine pulley by hand with the spark plug wire off If it turns the recoil is broken or jammed Call 1 800 DR OWNER 376 9637 for assis...

Page 44: ...it following the procedure on page 27 If your engine still lacks power call 1 800 DR OWNER 376 9637 for assistance Engine smokes Check the oil level and adjust as needed You may be operating the mach...

Page 45: ...harge Chute Chipping action seems too slow or flywheel stalling The engine speed is too slow causing the belt to slip Run the engine at full throttle Check for a loose Drive Belt and tighten See Page...

Page 46: ...unting Belt Guard Engine Base 13 21650 Rivet Blind 3 16 Dia 68 Alum 14 16973 Axle 5 8 x 28 1 4 15 18586 Bracket Axle Universal 16 18617 Spacer 7 8 17 15465 Wheel Pneumatic 4 10 3 50 x 4 18 18322 Shim...

Page 47: ...CALL TOLL FREE 1 800 DR OWNER 43 Schematic DR 10 HP CHIPPER 060120...

Page 48: ...Shaft Assembly 10 20088 Scroll 11 21638 Panel Chipper Side 12 18605 Bearing 13 21690 Nut Lock 3 8 16 14 14515 Washer Flat 5 16 USS 15 14340 Nut Lock Nylon 1 4 20 16 14339 Washer Flat 1 4 SAE 17 15539...

Page 49: ...CALL TOLL FREE 1 800 DR OWNER 45 Schematic Chipper Assembly 060101...

Page 50: ...46 DR 10 HP CHIPPER Notes...

Page 51: ...ty period warranty parts will be shipped by standard method at no charge to the warranty holder Expedited shipping of warranty parts is the responsibility of the warranty holder SOME STATES DO NOT ALL...

Page 52: ...t motor oil GAS Fill the gas tank with clean fresh unleaded gasoline ENGINE AIR COOLING SYSTEM It is very important to keep the engine clean of debris Remove grass and other built up materials from th...

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