Craftsman 3One 917.257560 Owner's Manual page 16

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OUSTO
RESPON
ES
TRACTOR
Always observe safety rules when performing any mainte-
nance=
BRAKE
OPERATION
If tractor requires more than six (6) feet stopping distance
at high speed in highest gear, then brake must be adjusted.
(See "TO ADJUST
BRAKE" in the Service and Adjust-
ments section of this manual).
TO SHARPEN
BLADE
(See Fig, 13)
Care should be taken to keep the blade balanced.
An
unbalanced blade wilt cause excessive vibration and even-
tual damage to mower and engine°
o
The blade can be sharpened with a file or on a grinding
wheel. Do not attempt to sharpen white on the mower.
To check blade balance you will need a 5/8" diameter
steel bolt, pin, or a cone balancer. (When using a cone
balancer, follow the instructions
supplied with baF
TmRES
o
Maintain proper air pressure in all tires (See "PROD-
UCT SPECJHCATIONS"
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.
Slide blade on to an unthreaded portion of the steel bolt
or pin and hold the bolt or pin paralle! with the ground.
If btade is balanced, it should remain in a horizontal
position.
If either end of the blade moves downward,
sharpen the heavy end until the bIade is balanced.
NOTE: Do not use a nail for balancing blade. The lobes of
the center 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)
-
Raise mower to highest position to aiiow access to
blades.
Remove hex bolt, Iockwasher and flat washer securing
blade.
o
Install new or resharpened
blade with trailing edge up
towards deck as shown.
o
Reassemble hex bolt, lock washer and ftat washer in
exact order as shown.
®
Tighten bolt securely (30°35 Ft. Lbs. torque).
iMPORTANT:
BLADE BOLT IS GRADE 8 HEATTREATED.
NOTE: We do not recommend sharpening blade- but if you
do, be sure the btade is balanced.
MANDREL
ASSEMBLY
FLAT WASHER
BLADE
LOCK WASHER
TRAnLING EDGE
°oxC:-----
/
(GRADE8)_
_r_
8 HEAT TREATED
BOLT CAN BE _DENTiFiED
BY SiX UNES ON THE BOLT HEAD.
FtGo 12
/
5/8" BOLT
OR PiN
FtGo 13
BATTERY
(See Fig, 14)
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.
o
Acid solution leve_ in each battery cell should be even
with bottoms of vent welts. Add only distilled or iron free
water if necessary.
Do not overfill.
,
Keep battery and terminals dean.
Keep battery bolts tight.
Keep vent caps tight and small vent holes in caps open.
o
Recharge at 6 amperes for 1 hour.
CUT AWAY ViEW
VENT CAP
VENT
WELL
BATTERY
CELL ACiD
LEVEL
F_Go14
16

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