Husqvarna 917.374421 Owner's Manual page 12

GENERAL RECOMMENDATIONS
The warranty on this lawn mower does not
cover items that have been subjected to
operator abuse or negligence. To receive
full value from the warranty, operator must
maintain unit as instructed in this manual.
Some adjustments will need to be made
periodically to properly maintain your unit.
At least once a season, check to see if
you should make any of the adjustments
described in the Service and Adjustments
section of this manual.
• At least once a year, replace the spark
plug, clean or replace air filter element
and check blade for wear. A new spark
plug and clean/new air filter element
assure proper air-fuel mixture and help
your engine run better and last longer.
• Follow the maintenance schedule in this
manual.
BEFORE EACH USE
• Check engine oil level.
• Check for loose fasteners.
LU BRICATION
Keep unit well lubricated
(See "LUBRICATION CHART").
LUBRICATION CHART
Wheel
adjuster (on
each wheel)
Engine oil
Mulcher
door hinge
pin
Rear door
hinge
Handle bracket mounting pins
LAWN MOWER
Always observe safety rules when per-
forming any maintenance.
TIRES
• Keep tires free of gasoline, oil, or insect
control chemicals which can harm rubber.
• Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may
cause tire damage.
DRIVE WHEELS
Check front drive wheels each time before
you mow to be sure they move freely.
The wheels not turning freely means trash,
grass cuttings, etc. are in the drive wheel area
and must be cleaned to free drive wheels.
If necessary to clean the drive wheels, be
sure to clean both front wheels.
1. Remove hubcaps, Iocknuts & washers.
2. Remove wheels from wheel adjusters.
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 Husqvarna or
other qualified service center.
BLADE CARE
For best results, blade must be kept sharp.
Replace a bent or damaged blade.
&CAUTION: Use onlya replacement blade
approved bythe manufacturer of your mower.
Using a blade not approved by the manu-
facturer of your mower is hazardous, could
damage your mower and void your warranty.
TO REMOVE BLADE
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 filter and carburetor are up.
3. Use a wood block between blade and
mower housing to prevent blade from
turning when removing 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 & attaching hardware
(bolt, lock washer & hardened washer).
TO
_ Spray lubricant
See "ENGINE" in Maintenance section. 1.
IMPORTANT: Do not oil or grease plastic
wheel bearings. Viscous lubricants will 2.
attract dust and dirt that will shorten the life of
theself-lubricating bearings. Ifyou feel they 3.
must be lubricated, use only a dry, powdered
graphite type lubricant sparingly. 12
REPLACE BLADE
Position blade on the blade adapter
aligning the two (2) holes in the blade
with the raised lugs on the adapter.
Be sure the trailing edge of blade (oppo-
site sharp edge) is up toward the engine.
Install the blade bolt with the lock
washer and hardened washer into
blade adapter and crankshaft.