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Craftsman 917.256561 Owner's Manual page 16

Ez3 42"

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CUSTOMER
RESPONSIBILITIES
TRACTOR
Always observe safety rules when performing any mainte-
nance.
BRAKE
OPERATION
If tractor requires more than six [6) feet stopping distance
at high soeed in highest gear. then brake must be adjusted.
_See "TO ADJUST
BRAKE" in the Service and Adjust-
ments section of this manual).
TIRES
-
Maintain proper air pressure in all tires (See "PROD-
UCT SPECIFICATIONS"
on page 3 of this manual).
-
Keep tires free of gasoline, oil, or insect control chemi-
cals which can harm rubber.
o
Avoid stumps, stones, deep ruts, sharp objects and
other hazards that may cause tire damage.
TO SHARPEN
BLADE
(See Fig. 13)
Care should be taken to keep the blade balanced.
An
unbalanced blade will cause excessive vibration and even-
tual damage _o mower and 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, you W_l needa5/8"
diameter
steel bolt. pin, ora cone balancer. (When using a cone
balancer, follow the instructions
supplied
with baI-
ancer).
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 horizontal
position.
If either end of the blade moves downward,
sharpen the heavy end until the blade is balanced.
NOTE: Do not use a nait for balancing blade. The lobes of
thecenter
hole may appear to be centered,
but are not.
BLADE
CARE
For best results mower blades must be kept sharp.
Re_
place bent or damaged blades.
BLADE
REMOVAL
(See Fig. 12)
o
Raise mower to highest position to allow access to
blades,
=
Remove hex bolt, lock washer and flat washer securing
blade;
-
Install new or resharpened blade with trailing edge up
towards deck as shown.
=
Reassemble hex bolt, lock washer and flat washer in
exact order as shown.
Tighten bolt securely (30-35 Ft. Lbs. torque),
OE.TE J
HOLE
----'---'-'-_
">"_
"---'%-
-BLADE
FIG. 13
BATTERY
IMPORTANT:
BLADE BOLT IS GRADE 8 HEATTREATED.
NOTE: We do not recommend sharpening blade - but if you
do, be sure the blade is balanced.
MANDREL
ASSEMBLY
Your tractor has a battery charging system which is suffi-
cient for normal use. However, periodic charging of the
battery with an automotive charger will extend its life.
-
Keep battery and terminals clean.
Keep battery bolts tight.
Keep small vent holes open.
-
Recharge at 6-10 amperes for 1 hour.
FLAT WASHER
LOCK WASHER
BLADE
/
/
TRA|L|NG
EDGE
(GRADE
8)" ,_..,_
*A GRADE 8 HEAT TREATED
BOLT CAN BE IDENTIFIED
BY SIX LINES ON THE BOLT HEAD,
FIG. 12
TO CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the battery andterminals
can cause
the battery to "leak" power.
-
Remove terminal guard.
DisConnect BLACK battery cable first then RED bat-
Rinse the battery with plain water and dry.
Clean terminals and battery cable ends with wire brush
until bright.
.o
Coat terminals with grease or petroleum jelly.
Reinstall battery (See "CONNECT
BATTERY" in the
Assembty section of this manual).
16
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