Craftsman 917377331 rotary lawn mower

User Manual - Page 15

For 917377331.

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CUSTOMER RESPONSiBiLiTiES
ENGINE
LUBRICATION
Use only high quality detergent oil rated with API service
classification SF, SG or SH,, Select the oil's SAE viscosity
grade according to your expected operating temperature,
SAE VISCOSITY GRADES
°F -20 ° 0 ° 30" 32 _ 40 _ 60" BOA 100'
°__c_0o .ao. -IOO ;" 1o' _oo _o 4oo
i TEMPERATURE RANGE A_'-_ICIPATED BEFORE NEXT OiL CHANGE 3ONTAINER
FIG. 16
NOTE: Although multi-viscosity oils (5W30, 10W30 etc,,)
improve starting in cold weather, these multi-viscosity oils
will result in increased oil consumption when used above
32°F. Check your engine oil level more frequently to avoid
possible engine damage from running low on oil
Change the oil after every 25 hours of operation or each
season. You may need to change the oil more often under
dusty, dirty conditions,,
Check the crankcase oi! level before starting the engine
and after each five (5) hours of continuous use. Tighten oil
plug securely each time you check the oil level.
TO CHANGE ENGINE OIL (See Fig,, 16)
NOTE: Before tipping lawn mower to drain oil, drain fuel
tank by running engine until fuel tank is empty,
. Disconnect spark plug wire from spark plug and piace
wire where it cannot come in contact with spark plug.
- Remove engine oil cap; lay aside on a clean surface.
= Tip lawn mower on its side as shown and drain oil into
a suitable container,, Rock lawn mower back and forth
to remove any oil trapped inside of engine.
Wipe off any spilled oil on lawn mower and on side of
engine.
- Fill engine with oil. Fill only to the "FULL" line on the
dipstick,, DO NOT OVER FILL,
= Replace engine oil cap.
o Reconnect spark plug wire to spark plugo
AIR FILTER
Your engine will not run properly and may be damaged by
using a dirty air filter,
Replace the air filter every year, more often if you mow in
very dusty, dirty conditions,, Do not wash air filter.
TO CHANGE AIR FILTER (See Fig. 17)
° Remove the air filter by turning counterclockwise to
the stop and pull away from collar°
Remove filter from inside of cover.,
Clean the inside of the cover and the collar to remove
any dirt accumulatlono
Insert new filter into cover,,
Put air filter cover and filter into collar aligning the tab
with the slot.
- Push in on cover and turn clockwise to tighten.
TURN
COUNTER
CLOCKWISE
TO REMOVE
15
AIR FILTER
TURN CLOCK-
WISE TO
TIGHTEN
MUFFLER
AIR FILTER COVEF
FIG, 17
Inspect and replace corroded muffler as it could create a
fire hazard and/or damage,
SPARK PLUG
Change your spark plug each year to make your engine
start easier and run better_ Set spark plug gap at .030 inch.
CLEANING
IMPORTANT: FOR BEST PERFORMANCE, KEEP
HOUSING FREE OF BUILT-UP GRASS AND TRASH.
CLEAN THE UNDERSIDE OF YOUR MOWER AFTER
EACH USE,,
IA.................................................!
CAUTION: Disconnect spark plug Wire
from spark plug and place wire where it
cannot come in contact with the spark
plug.
. Turn lawn mower on its side° Make sure air filter and
carburetor are up,, Clean the underside of your lawn
mower by scraping to remove build-up of grass and
trash.
° Clean engine oftento keep trash from accumulating, A
clogged engine runs hotter and shortens engine Life°
Keep finished surfaces and wheels free of all gasoline,
oil, etco
- We DO NOT recommend using a garden hose to clean
lawn mower unless the electrical system, muffler, air
filter and carburetor are covered to keep water out.
Water in engine can result in shortened engine lifeo
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