Blade Removal; To Sharpen Blade; Battery Care - Craftsman EZ3 917.258870 Owner's Manual

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CUSTOMER RESPONSmB L T 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).
TIRES
o
Maintain proper air pressure in ail tires (See "PROD--
UCT SPECIFICATIONS"
on page 3 of this manuat)_
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Keep tires free of gasoline, oil, or insect control chemi-
cals which can harm rubber_
Avoid stumps, stones, deep ruts, sharp objects and
other' hazards that may cause tire damage.
NOTE: To seal tire punctures and prevent fiat tires due to
slow leaks, tire sealam may be purchased from your local
parts dealer.. Tire sealant also prevents tire dry rot and
corrosion.
BLADE
CARE
For best results mower blades must be kept sharp,
Re-
place bent or damaged blades°
BLADE
REMOVAL
(See Fig. 15)
o
Raise mower' to highest position to allow access to
blades.
-
Remove hex bolt, lockwasher and flat washer secudng
blade.
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lnstatl new or resharpened blade with trailing edge up
towards deck as shown.
o
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 HEAT TREATED
NOTE: We do not recommend sharpening blade - but if you
do, be sure the blade is balanced
BLADE
MANDREL
ASSEMBLY
TRAILING
EDGEUP
HEX BOLT (GRADE 8)
*A GRADE 8 HEAT TREATED
BOLT CAN BE
tDENT'IFIED BY SIX LINES ON THE BOLT HEAD.
TO SHARPEN
8LADE
(See Fig. 16)
Care should be taken to keep the blade balanced.
An
unbalanced blade wili cause excessive vibration and even-
tual damage to 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,
o
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) o
Slide blade on to an unthreaded portion of the steel bolt
or pin and hold the bolt or pin parallel with the ground.
!f blade is balanced, it should remain in a horizontal
position,
if either end of the b!ade rnoves downward,
sharpen the he_,.Jyend unti] the blade is balanced
NOTE: Do not us_: ,3nai! for balancing blade. The lobes of
he cenler hole rn;,y appear to be centered, but are not.
CENT2R
HOLE
/
,
/
i
518" BOLT
OR PIN
BLADE
FIG. 16
BA'FI'ERY
Your tractor has a battery charging system which is suffF
cient for normal use
However, periodic charging of the
battery with an automotive charger will extend its Iife_
o
Keep battery and terminals clean.
',
Keep battery bolts tight°
o
Keep smallvent
holes open.
o
Recharge at 6-10 amperes for 1 hour.
TO CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the battery and terminals can cause
the battery to "leak" power'.
°
Remove terminal guar&
,,
Disconnect
BLACK battery cable first
then RED
battery cable and remove battery from tractor°
Rinse the battery with plain water and dry.
Clean terrninals and batterycable ends withwire brush
until bright.
o
Coat terminals with grease or petroleum jelly..
,
Reinstall battery (See "CONNECT BATTERY" in the
Assembly section of this manual).
FIG. 15
18

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