Country Home Products DR manual Removing and Replacing the Chipper Blade

Page 43

Removing and Replacing the Chipper Blade

WARNING! Before performing any maintenance procedure, stop the engine and disconnect the spark plug wire.

WARNING! Do not attempt to re-sharpen the chipper blade. This will unbalance the impeller and may damage the engine and blower. Always replace a dull or damaged chipper blade with a new blade.

	Tools Needed:	Blower
	(2) 1/2" wrench or socket	Blower
	9/16" wrench or socket	Cover
	9/16" wrench or socket	Plate
	3/16" Allen wrench	Plate
	3/16" Allen wrench

1.Disconnect the Blower Exit Elbow Assembly from the Collector Box Hose (Figure 44).

2.Remove the Wing Nuts and Wing Screws to disconnect the Inlet Hose Adapter and Blower Exit Elbow Assembly from the Chipper/Blower unit (Figure 45).

3.Using two (2) 1/2" wrenches or sockets, remove the 12 Bolts & Nuts retaining the Blower Cover Plate (Figure 45) and remove the plate from the blower housing. The Chipper Impeller is now exposed.

4.Using the 9/16" wrench or socket, remove the Chipper Impeller retaining bolt from the engine shaft and slide the impeller off of the shaft (Figure 46). Be sure to save the key in the slotted shaft.

5.The Chipper Blade is attached to the impeller with three (3) Allen head screws and three (3) nylon lock nuts (Figure 46). Using the 3/16" Allen wrench and 1/2" wrench, remove the old Chipper Blade by removing the three (3) screws and nuts.

Note: Carefully observe the orientation of the Chipper Blade edge and mounting holes when removing the blade.

6.Install the new Chipper Blade and Impeller

in the reverse order making sure the key is Allen

installed in the engine shaft keyway. Head

Screw

Wing	Blower Exit
Screw	Elbow
4-pls.	Assembly
	Wing
	Nut
	4-pls.
	Inlet
	Hose
	Adapter
	Bolt &
	Nut
	12-pls.
Figure 45
Back Chipper	Front
Impeller
Bolt
	Nylon
	Nut
Chipper Blade
Figure 46

Note: If the Safety Interlock Switch is not engaged, adjust the switch mounting bracket by loosening the bracket bolt and sliding the bracket up so that the button on the switch is fully depressed against the Blower Exit Elbow Assembly. See page 16.

DR COMMERICAL LEAF and LAWN VACUUM Safety & Operating Instructions

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Contents Vacuum Sales Manager Copyright Table of Contents Parts Lists and Schematic Diagrams Introducing the DR Leaf and Lawn Vacuum Conventions used in this manualSafety Information Labels Safety ConsiderationsPreparing to Use the DR Leaf and Lawn Vacuum Page Operating the Machine Safely Protecting YourselfPage Slope Operation Safety for ChildrenAdditional Information and Potential Changes Safety with Gasoline-Powered MachinesDR Leaf and Lawn Vacuum Controls and Features Tools & Supplies Needed Unpacking and Assembling the MachineParts supplied Attaching Hardware Description Opening the Shipping Container and Installing the Wheels Bend Cotter Pin Safety Hitch PinTire Pressure Check Axle Axle Brackets Wheel Washer hereLocked Position Dump Handle Tilt Bed InstallationCollector Box Installation Attach over Attach over Pins Flexible Latches PlacesBlower Exit Elbow Assembly Installation Approx Narrow Side Up Universal Hitch Plate InstallationHitch Plate Configurations Approx Ground Tool NeededOpening Hitch Clip Connecting the DR Leaf and Lawn Vacuum to your Lawn TractorTools Needed Lawn Deck Adapter InstallationHose Adapter Hose Latches Tools May Be Needed Connecting the Blower Inlet Vacuum Hose to the Hose AdapterHose Clamp Pull & Hook Inlet Flexible Latch Max left turn Max right turn Capacities Adding the Engine Oil and GasolineFront Back Starting & Stopping Before Starting the EngineGas Shut Off Choke Throttle Chipping Zone Vacuuming Operator Zones Operating SafetyLocked Position Towing the DR Leaf and Lawn VacuumMAX Slopes & Uneven TerrainOperating the Chipper Tips Pull & Unhook Latches Collector Box Hose Blower Exit Elbow DumpingLocked Position Dump Handle Hold Down Use as a Trailer Leaf and Lawn Vacuum Tips Procedure Before Every Regular Maintenance ChecklistUse Hours Supplies Needed LubricationGrease Fitting Left Side Removing and Replacing the Engine OilTools & Supplies Recommended Oil Fill CapCollector Box Hose Tools Needed Removing and Replacing the Blower HosesCollector Box Hose Inlet Hose Safety Interlock Switch Inlet Hose AdapterBlower Inlet Hose Tools Needed BlowerRemoving and Replacing the Blower Exit Elbow Wing Safety Screw Interlock Places SwitchCollector Box Hose Flexible Latch Blower Exit Elbow Assy Removing and Replacing the Chipper Blade Removing the Blower/Chipper Engine Unit End of Season & Storage Engine and disconnect the spark plug wireTroubleshooting Table TroubleshootingSymptom Possible Cause DR-OWNER 376-9637 for assistance Page Ref# Part# Description Schematic Diagram Trailer Assembly Parts List Blower/Chipper Assembly Schematic Diagram Blower/Chipper Assembly Ref# Part# Description Page Parts List Tilt Bed Assembly Schematic Diagram Tilt Bed Assembly Parts List Side and Rear Panel Assembly Schematic Diagram Side and Rear Panel Assembly Schematic Diagram Front Box Cover Assembly Parts List Front Box Cover AssemblyPage Page DR Commericalleaf and Lawn Vacuum Year Limited Warranty DR Power EquipmentCountry Home PRODUCTS, Inc Daily Checklist for the DR Leaf and Lawn Vacuum