Husqvarna HU800AWD Manuel De L'opérateur page 11

LAWN MOWER
Always observe safety rules when performing any main-
te nance.
TIRES
• Keep tires free of gasoline, oil, or insect control chem-
i cals which can harm rubber.
• Avoid stumps, stones, deep ruts, sharp objects and
other hazards that may cause tire damage.
DRIVE WHEELS
Check wheels each time be fore you mow to be sure they
move freely.
The wheels not turning freely means trash, grass cuttings,
etc. are in the drive wheel or dust cover area and must be
cleaned to free drive wheels. If necessary to clean the
drive wheels, be sure to clean all wheels.
1. Remove hubcaps, locknuts and washers.
2. Remove wheels from wheel ad just ers.
3. Remove any trash or grass cuttings from inside the
dust cover, pinion and/or drive wheel gear teeth.
4. Put wheels back in place.
NOTE: If after cleaning, the drive wheels do not turn freely,
contact a qualifi ed service center.
BLADE CARE
For best results, mower blade must be kept sharp. Re place
bent or dam aged blades.
CAUTION: Use only a replacement blade
approved by the manufacturer of your
mower. Using a blade not approved
by the manufacturer of your mower is
hazardous, could damage your mower
and void your warranty.
TO REMOVE BLADE (See Fig. 13)
1. Disconnect spark plug wire from spark plug and place
wire where it cannot come in contact with plug.
2. Turn lawn mower on its side. Make sure air fi lter and
carburetor are up.
3. Use a wood block between blade and mower hous ing
to prevent blade from turning when re mov ing blade
bolt.
NOTE: Protect your hands with gloves and/or wrap blade
with heavy cloth.
4. Remove blade bolt by turning counter-clockwise.
5. Remove blade and attaching hardware (bolt, lock
wash er and hardened wash er).
6. Remove debris shield.
NOTE: Remove the blade adapter and check the key inside
hub of blade adapter. The key must be in good condition
to work properly. Replace adapter if damaged.
TO REPLACE BLADE (See Fig. 13)
1. Position the blade adapter on the engine crank shaft.
Be sure key in adapter and crankshaft keyway are
aligned; and that the drive belt is inside the tab of the
belt retainer.
MAINTENANCE
2. Install debris shield.
3. Position blade on the blade adapter.
IMPORTANT: TO ENSURE PROPER AS SEM BLY, CENTER
HOLE IN BLADE MUST ALIGN WITH STAR ON BLADE
ADAPTER.
4. Be sure the trailing edge of blade (opposite sharp edge)
5. Install the blade bolt with the lock washer and hardened
6. Use block of wood between blade and lawn mower hous-
•
IMPORTANT: BLADE BOLT IS HEAT TREATED. IF BOLT
NEEDS REPLACING, REPLACE ONLY WITH APPROVED BOLT.
BELT RE-
TAINER
BLADE
ADAPTER
DEBRIS
SHIELD
BLADE
TO SHARPEN BLADE (See Fig. 14)
NOTE: We do not recommend sharp en ing blade - but if you
do, be sure the blade is balanced. An un bal anced blade
will cause eventual damage to lawn mower or engine.
•
11
is up toward the engine.
washer into blade adapter and crankshaft.
ing and tighten the blade bolt, turning clockwise.
The recommended tightening torque is 35–40 ft. lbs.
FIG. 13
The blade can be sharp ened with a fi le or on a grind-
ing wheel. Do not attempt to sharpen while on the
mower.
CENTER HOLE
5/8" BOLT OR PIN
BLADE
FIG. 14
CRANK-
SHAFT
KEY WAY
KEY
TRAILING
EDGE
HARDENED
WASHER
LOCK WASHER
BLADE BOLT