Tires Maintenance; Blade Removal; To Sharpen Blade; Battery Care - Craftsman EZ3 917.251492 Owner's Manual

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CUSTOMER
RESPONSIB!
TRACTOR
Always observe safety rules when performing any mainte-
nance°
BRAKE OPERATION
tf tractor requires more than six (6) feet stoppingdistance
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).
TIRES
i
o
Maintain proper air pressure in all tires (See "PROD-
UCT SPECIFICATIONS". on page 3 of this manual)°
Keep tires free of gasoline, oil, or insectcontrol chemi-
cals which can harm rubber.
Avoid stumps, stones, deep ruts, sharp objects and
other hazards that may cause tire damage.
BLADE CARE
For best results mower blades must be kept sharp_ Re-
place bent or damaged blades°
BLADE REMOVAL
(See Fig. 15)
Raise mower to highest position to allow access to
blades.
I
o
Remove hex boIt, tock washer and flat washer securing
blade.
Install new or resharpened blade with trailing edge up
towards deck as shown.
TO SHARPEN BLADE (See Fig. 16)
_Care should be taken to keep the blade balanced, An
unbalancedblade willcause excessive vibration and even-
tual damage to mower and engine.
=
Thebladecanbesharpenedwithafileoronagrinding
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 bal-
ancer).
°
Slide blade on to an unthreaded portionofthe 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 nail for balancing blade. The lobesof
he center hole may appear to be centered, but are noL
CENTERHOLE
/
/
FIG. 16
=
Reassemble hex bolt, lock washer and flat 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 blade is balanced,
B,
,_
_)_
MANDREL
*A GRADE 8 HEAT TREATED BOLT CAN BE
IDENTIFIED BY SIX LINES ON THE BOLT HEAD.
FIG. 15
BATTERY
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.
TO CLEAN BATTERY AND TERMIN_ALS
Corrosion and dirt on the battery and _terminalscan cause
the battery to "leak" power.
=
Remove terminal guard.
-
Disconnect BLACK battery cable first
then RED
batter,] cable and remove battery from tractor.
Rinse the battery with plain water and dry.
°
Clean terminals and battery cable ends with wire brush
until brighL
°
Coat terminals with grease or petroleum jelly.
,;
Reinstall battery (See "CONNECT BATTERY" in the
Assembly section of this manual)°
,'
18

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