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Page 36

Tools Needed:

•5/16" Wrench

•3/16" Allen wrench

•1/2" socket and ratchet

1.Using a 5/16" Wrench, remove both Access Covers (Chipper and Drive Side) from the Chipper Box (Figure 14).

2.Rotate the Chipper Disk using a stick until the three (3) countersunk Allen Screws and Lock Nuts attaching the Knife to the Flywheel are visible through the Access Openings (Figure 14).

3.Clean out the heads of the Allen Screws with an awl or sharp tool.

4.Insert a 3/16” Allen wrench into the head of a screw.

5.While holding the Allen wrench, remove the Lock Nut using a 1/2" socket.

6.Repeat Steps 4 and 5 for the remaining two (2) Allen 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 against the Chipper Disk.

8.Install a new or sharpened Knife and finger tighten the Allen screws and Lock Nuts (new hardware is supplied with a new Knife) to hold the Knife to the Chipper Disk.

9.Using a 3/16" Allen wrench and a 1/2" socket, tighten the center Screw and Nut, then tighten the outer Screw and Nut, and finally tighten the inner Screw and Nut.

10.Double-check all three (3) Screws and Nuts for tightness one more time.

11.Replace the Access Covers.

12.Check the gap between the Knife and Wear Plate. See “Adjusting the Knife to Wear Plate Gap” on page 33.

Allen Screw

3 places

Knife

Access Cover removed,

Chipper side.

Figure 14

32 DR® 10 HP CHIPPER

Image 36

Contents DR→ 10 HP Chipper Safety & Operating Instructions Toll-free phone 1-800-DR-OWNER Table of Contents Iv DR 10 HP Chipper Introducing the DR 10 HP Chipper Conventions used in this manualDR 10 HP Chipper General Safety Rules LabelsDR 10 HP Chipper DR 10 HP Chipper is made in the U.S.A. #091-0062 Protecting Yourself and Those Around You Safety for Children and Pets Safety with Gasoline Powered EnginesGeneral Safety Additional Information and Potential Changes 10 DR 10 HP Chipper Setting UP Your DR 10 HP Chipper UnpackingRepresentatives at our toll free number 1-800-DR-OWNER Tools and Supplies NeededBe careful when cutting the banding Attaching the Chipper Hopper Check the Tire PressureTool Needed Adding the Engine Oil and Gasoline CapacitiesFront 16 DR 10 HP Chipper Operating Your DR 10 HP Chipper Before Starting the EngineOperation Notes Processing Limbs and Branches Starting and Stopping the Engine Using the Chipper Hopper To Free a Jammed Flywheel DisassembleReassemble Call Toll Free 1-800-DR-OWNER 24 DR 10 HP Chipper Regular Maintenance Check List ProcedureMaintaining the DR 10 HP Chipper EveryGrease Fittings Supplies NeededRemoving and Replacing the Engine Oil Adjusting or Removing and Replacing the Drive Belt 2 WrenchEngine Bolts, Front Belt Tensioner Clutch Drive Belt Removing and Replacing the Chipper Knife Knife SharpeningTools Needed Adjusting the Knife to Wear Plate Gap Wrench or Socket Gap Gauge providedRemoving and Replacing the Clutch DR 10HP Chipper Engine at less than full RPMInstalling a New Clutch Assembly Clutch Removal, Disassembly, and Re-Assembly End of Season and Storage 38 DR 10 HP Chipper Troubleshooting Troubleshooting TableEngine smokes Flywheel will not turn Drive Belt burns Chipper Knife is hitting the Wear Plate Parts LISTS, Schematic Diagrams and Warranty Parts List DR 10 HP ChipperPart# Description Schematic DR 10 HP Chipper Parts List Chipper Assembly Not IllustratedSchematic Chipper Assembly 46 DR 10 HP Chipper DR 10WarrantyHP Chipper Daily Checklist for the DR 10 HP Chipper