Husqvarna 5521CHV Lawn Mower User Manual

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.

2. Remove hairpin cotters from lower handle bracket mount ing pin.

3. Squeeze lower handle in to remove it from mounting pins.

4. Turn lower handle over to raise or lower handle.

REAR DEFLECTOR

The rear defl ector, 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. 13)

1. Remove drive cover and belt keeper.

2. Remove belt from gearcase pulley by push ing down on pulley and rolling belt off it.

3. Turn lawn mower on its side with air fi lter and car bu re tor up.

4. Remove blade and debris shield.

5. Remove belt from engine pulley on crankshaft.

TO REPLACE DRIVE BELT (See Fig. 13)

1. Install new belt on engine pulley.

2. Reinstall debris shield and blade.

3. Return mower to upright po si tion.

4. Install new belt on gearcase pulley.

5. Reinstall belt keeper and drive cover.

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

mount ing pins on handle bracket.

6. Reassemble upper handle and all parts removed from lower handle.

MOWING

POSITION

ROTATE

FIG. 14

LOWER

HANDLE

MOWING

POSITION

HAIRPIN

COTTER

HANDLE

BRACKET

MOUNTING

PIN

LOW POSITION HIGH POSITION

DRIVE

COVER BELT

FIG. 15

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.

BELT KEEPER

PUSH DOWN

FIG. 13

TO ADJUST HANDLE (See Figs. 14 and 15)

The handle can be mounted in a high or low position. The mounting holes in the bottom of lower handle are off center for raising or lowering the handle.

1. Remove upper handle and all wire tie(s) securing cable(s) to lower handle.

13

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: NEVER TAMPER WITH THE ENGINE GOVERNOR,

WHICH IS FACTORY SET FOR PROPER ENGINE SPEED.

OVER SPEED ING THE ENGINE ABOVE THE FACTORY HIGH

SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE

ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING,

CONTACT YOUR NEAREST AUTHORIZED SER VICE CEN TER,

WHICH HAS PROPER EQUIP MENT AND EXPERIENCE TO

MAKE ANY NEC ES SARY ADJUSTMENTS.