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Husqvarna 22" Multi-Cut Owner's Manual page 18

Rotary lawn mower 725 series briggs & stratton engine, all wheel drive, self-propelled
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Slide blade on to an unthreaded portion
of the steel bolt or pin and hold the
bolt or pin parallel with the ground. If
blade is balanced, it should remain in a
horizontalposition. If either end of the
blade moves downward,sharpen the
heavy end until the blade is balanced.
Center hole
5/8" bolt or pin
Blade
TO CHANGE ENGINE OIL
NOTE:
Before tipping lawn mower to
drain oil, empty fuel tank by running en-
gine until fuel tank is empty.
1. Disconnect
spark plug wire from spark
plug and place wire where it cannot
come in contact with plug.
2.
Remove engine oil cap; lay aside on a
clean surface.
3. Tip lawn mower on its side as shown
and drain oil into a suitable container.
Rock lawn mower back and forth to re-
move any oil trapped inside of engine.
GRASS CATCHER
• The grass catcher may be hosed with
water, but must be dry when used.
• Check your grass catcher often for dam-
age or deterioration.
Through normal
use it will wear.
If catcher needs replac-
ing, replace only with approved replace-
ment catcher shown in the Repair Parts
section of this manual.
Give the lawn
mower model number when ordering.
GEAR CASES
• To keep your drive system working
properly, the gear cases and area
around the drive should be kept clean
and free of trash build-up.
Clean under
the drive cover twice a season.
• The gear cases are filled with lubricant to
the proper level at the factory.
The only
time the lubricant needs attention is if ser-
vice has been performed on the gear case.
ENGINE
LUBRICATION
Use only high quality detergent
oil rated
with API service classification
SJ-SL.
Select the oil's SAE viscosity grade
according to your expected operating
temperature.
SAE VISCOSITY GRADES
i[0_v,
T
°F -20
0
20
32
40
60
80
100
,
,
,
,,
,
,
,
,
°C-_0
-20
-1;0
0
1;0
2;0
3;0
4;0
TEMPERATURE
RANGE EXPECTED
BEFORE NEXT OIL CHANGE
Change the oil after every 25 hours of opera-
tion or at least once a year if the lawn mower
is not used for 25 hours in one year.
Check the crankcase
oil level before
starting the engine and after each five (5)
4. Wipe off any spilled oil from lawn
mower or side of engine.
5. Slowly pour oil down the oil fill spout,
stopping every few ounces to check
the oil level with the dipstick.
6. Stop adding oil when you reach the
FULL mark on the dipstick.
Wait a
minute to allow oil to settle.
7. Continue adding small amounts of oil,
rechecking
the dipstick until oil level
settles at FULL.
DO NOT overfill, or
engine will smoke heavily from the
muffler on startup.
8. Always be sure to retighten oil dipstick
before starting engine.
9.
Reconnect spark plug wire to plug.
AIR FILTER
Your engine will not run properly and may
be damaged
by using a dirty air filter.
Replace the air filter cartridge every 100
hours of operation or every season, which-
ever occurs first. Service air cleaner more
often under dusty conditions.
TO CLEAN AIR FILTER
1. Loosen screw and tilt cover to remove.
2. Carefully remove cartridge.
3. Clean by gently tapping on a flat sur-
face. If very dirty, replace cartridge.
_CAUTION:
Petroleum
solvents,
such
as kerosene,
are not to be used to clean
cartridge. They may cause deterioration
of
hours of continuous
use. Tighten oil plug
the cartridge.
Do not oil cartridge.
Do not
securely each time you check the oil level. 18 use pressurized air to clean or dry cartridge.

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