Husqvarna 70R21HV owner manual Storage, To Adjust Handle See Fig, Carburetor

SERVICE AND ADJUSTMENTS

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

3.Reattach debris shield to housing with screw previ- ously removed. Be sure tab of debris shield is in gap of housing.

4.Position blade on the blade adapter aligning the two

(2)holes in the blade with the raised lugs on the adapter.

5.Be sure the trailing edge of blade (opposite sharp edge) is up toward the engine as shown (See Fig. 17).

6.Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft.

7.Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise.

•The recommended tightening torque is 35-40 ft. lbs.

IMPORTANT: BLADE BOLT IS HEAT TREATED. IFBOLT NEEDS REPLACING, REPLACE ONLYWITHAPPROVED BOLT SHOWN IN THE REPAIR PARTS SECTION OF THIS MANUAL.

8.Return mower to upright position.

9.Install new drive belt into idler arm assembly, then around the drive pulley. Be sure belt is inside of belt keepers (See Fig. 16).

NOTE: Pulling on the drive belt (to install it on the drive pulley) will cause the other end of the belt to free itself from the debris shield retainer and come into contact with the pulley end of the blade adapter.

10.Reattach drive cable and return spring to the idler arm assembly, then reattach drive cable to anchor.

11.Reattach drive cover with screws previously removed (See Fig. 15).

12.Connect spark plug wire to spark plug.

TO ADJUST HANDLE (See Fig. 19)

The handle on your lawn mower has multiple height posi- tions - adjust to height that suits you.

1.Remove knob and carriage bolt on one side of the lower handle.

2.While holding handle assembly, remove knob and car- riage bolt from opposite side, align hole in handle with desired hole in handle bracket and reassemble bolt and knob and tighten securely.

3.Align opposite side of handle with same positioning hole and secure with bolt and knob.

KNOB

BOLT

LOW

HIGH	HANDLE
	BRACKET

FIG. 19

ENGINE

ENGINE SPEED

Your engine speed has been factory set. Do not attempt to increase engine speed or it may result in personal injury. If you believe that the engine is running too fast or too slow, take your lawn mower to an authorized service center for repair and adjustment.

CARBURETOR

Your carburetor is not adjustable. If your engine does not operate properly due to suspected carburetor problems, take your lawn mower to an authorized service center for repair and/or adjustment.

IMPORTANT:NEVERTAMPERWITHTHEENGINEGOVERNOR, WHICH IS FACTORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR NEARESTAUTHORIZED SERVICE CENTER, WHICH HAS PROPER EQUIPMENT AND EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS.

STORAGE

Immediately prepare your lawn mower for storage at the end of the season or if the unit will not be used for 30 days or more.

LAWN MOWER

When lawn mower is to be stored for a period of time, clean it thoroughly, remove all dirt, grease, leaves, etc. Store in a clean, dry area.

1.Clean entire lawn mower (See “CLEANING” in the Maintenance section of this manual).

2.Lubricate as shown in the Maintenance section of this manual.

3. Be sure that all nuts, bolts, screws, and pins are se- curely fastened. Inspect moving parts for damage, breakage and wear. Replace if necessary.

4.Touch up all rusted or chipped paint surfaces; sand lightly before painting.

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