Husqvarna 7021R manual Service and Adjustments, To Adjust Cutting Height, Rear Deflector

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SERVICE AND ADJUSTMENTS

CAUTION: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:

1.Release control bar and stop engine.

2.Make sure the blade and all moving parts have completely stopped.

3.Disconnect spark plug wire from spark plug and place where it cannot come in contact with plug.

LAWN MOWER

TO ADJUST CUTTING HEIGHT

See “TO ADJUST CUTTING HEIGHT” in the Operation section of this manual.

REAR DEFLECTOR

The rear deflector, attached between the rear wheels of your mower, is provided to minimize the possibility that objects will be thrown out of the rear of the mower into the operator's mowing position. If the defl ector becomes damaged, it should be replaced.

TO REMOVE DRIVE BELT (See Fig. 17 & 18)

1.Remove drive cover.

2.Remove spring and belt keeper.

3.Remove belt from gearcase pulley.

4.Turn lawn mower on its side with air fi lter and carbu- retor down.

5.Remove blade and blade adapter.

6.Remove belt from blade adapter.

GEAR-

CASE

PULEY

DRIVE

COVER

SPRING

BELT

KEEPER

BELT

FIG. 17

TO REPLACE DRIVE BELT

7.Position the blade adapter on the engine crankshaft. Be sure key in adapter and crankshaft keyway are aligned; and that the drive belt is inside the tabs of the belt retainer.

8.Route the other end of the new drive belt through hole in housing.

9.Return mower to upright position.

10.Install new belt on gearcase pulley.

11.Reinstall belt keeper and spring.

12.Reinstall drive cover.

NOTE: Always use factory approved belt to assure proper fi t and long life.

13.Turn lawn mower on its side with air fi lter and carbu- retor down.

14.Reinstall blade.

BLADE ADAPTER

KEY

CRANKSHAFT

 

 

KEYWAY

BLADE

 

 

LOCK

 

 

WASHER

 

 

BLADE HARDENED

BOLT WASHER

 

BELT

TRAILING EDGE

CRANKSHAFT RETAINER

FIG. 18

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Contents 7021R II. Slope Operation Safe Operation Practices for Walk-Behind MowersGeneral Operation III. ChildrenTable of Contents HOW to SET UP Your Lawn Mower AssemblyTo Install Attachments To Remove Lawn Mower from CartonOperation Meets Cpsc Safety RequirementsKnow Your Lawn Mower Engine Speed HOW to USE Your Lawn MowerEngine Zone Control To Empty Grass Catcher See Fig To Attach Grass Catcher See FigTo Convert Mower ADD OIL See Fig Before Starting EngineADD Gasoline See Fig Mowing TipsTo Stop Engine To Start Engine See FigLubrication Chart MaintenanceGeneral Recommendations Before Each USEEngine Lawn MowerClean Under Drive Cover CleaningAIR Filter MufflerTo Adjust Cutting Height Service and AdjustmentsRear Deflector To Remove Drive Belt SeeStorage To Adjust Handle See FigCarburetor Handle See FigsFuel System OtherEngine OIL CylinderProblem Cause Correction Troubleshooting PointsService Notes Warranty Statement