Grass Catcher - Craftsman 917.377811 Owner's Manual

6.75 horsepower 21" multi-cut power propelled rotary lawn mower
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TO SHARPEN BLADE
NOTE: We do not recommend sharpening
blade - but if you do, be sure the blade is
balanced.
Care should be taken to keep the blade
balanced. An unbalanced blade will cause
eventual damage to lawn mower or
engine.
• The blade can be sharpened with a file
or on a grinding wheel. Do not attempt
to sharpen while on the mower.
• To check blade balance, drive a nail
into a beam or wall. Leave about one
inch of the straight nail exposed. Place
center hole of blade over the head of
the nail. If blade is balanced, it should
remain in a horizontal position. If either
end of the blade moves downward,
sharpen the heavy end until the blade is
balanced.
GRASS CATCHER
Hubca
• The grass catcher
may be hosed with
/
water,
but must be dry when used.
• Check
your grass catcher
often for
damage
or deterioration.
Through
_
normal
use it will wear.
If catcher
needs
replacing,
replace
only with a manufac-
turer approved
replacement
catcher.
Give the lawn mower
model
number
when
ordering.
DRIVE WHEELS
Check
rear drive wheels each time you
mow to be sure they move freely.
The
wheels
not turning
freely means
trash,
grass cuttings,
etc., may be inside the
drive wheel
and dust cover area and must
be cleaned
out to free drive wheels.
If necessary
to clean the drive wheels,
check
both rear wheels.
1.
Remove
hubcaps
and Iocknuts.
2.
Remove
wheels
from wheel
adjuster
axles.
3.
Remove
any trash or grass cuttings
from inside the dust cover,
pinion and/
or drive wheel
gear teeth.
4.
If you remove
the drive pinions,
wipe
clean with dry cloth.
Reassemble
dry.
Do not lubricate.
Do not use oil or
grease.
NOTE:
The pinion gears, on both sides of
the mower,
are the same,
however,
they
must be installed correctly.
If installed
incorrectly,
the drive system
will not work.
5. There are arrows embossed on both
sides of the pinion gear. With the
arrow at the top of the pinion, the
arrow must point towards the front of
the mower. If the arrow points to the
rear of the mower, turn the pinion
around, then assemble to mower.
6. Place wheels back on adjuster axles.
7. Replace Iocknuts and hubcaps.
Correct
Incorrect
Wave
,Washer
Pinion
'Locknut
Dust
cover
Washers
ENGINE
LUBRICATION
Use only high quality detergent oil rated with
API service classification SF-SJ.
Selectthe
oil's SAE viscosity grade according to your
expected
operating temperature.
SAE VISCOSITY GRADES
-20
0
30
32
40
60
80
100
TEMPERATURE
RANGE ANTICIPATED
BEFORE
NEXT OIL CHANGE
NOTE: Although multi-viscosity
oils (5W30,
10W30 etc.) improve staring in cold weather,
these multi-viscesity
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 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) hours of
continuous
use. "13ghten oil plug securely
each time you check the oil level.
13

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