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Craftsman 917.270311 Owner's Manual page 18

12.5 hp electric start 38" mower 5 speed transaxle lawn tractor

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TRACTOR
Always observe safety rules when per-
forming any maintenance.
BRAKE OPERATION
if tractor requires more than six (8) feet
stopping distance at high speed in highest
gear, then brake must be adjusted. (See
"TO ADJUST BRAKE" in the Service and
Adjustments section of this manual).
TtRES
Maintain proper air pressure in all tires
(See =PRODUCT SPECIFICATIONS"
on page 5 of this manual).
Keep tires free of gasoline, oil, or insect
control chemicals which can harm rub-
ber.
• Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may
cause tire damage.
NOTE: To seal tire punctures and prevent
flat tires due to slow leaks, tire sealant
may be purchased from your local parts
dealer. Tire sea_ant atso prevents tire dry
rot and corrosion.
BLADE CARE
For best results mower blades must be
kept sharp. Replace bent or damaged
blades.
6LADE
REMOVAL
Raise mower to highest position to atiow
access to blades.
Remove hex bolt, tock washer and fiat
washer securing btade.
, Install new or resharpened blade with
trailing edge up towards deck as shown.
o Reassemble hex bolt, lock washer and
fiat washer in exact order as shown.
= Tighten bolt securely (27-35 Ft. Lbs.
torque).
!MPORTANT:
Blade boil is Grade 8 heat
treated.
Bladle_r_.._
Mandrel
Assembly
Fiat Was
Tra}ting
Edge Up
Hex Bolt (Grade
"A Grade 8 heat treated bolt can be
identified by six lines on the bott head.
TO SHARPEN BLADE
NOTE: We do not recommend sharpen!n!
biade, but if you do, be sure the blade is
balanced.
Care shouJd be taken to keep the blade
balanced. An unbalanced blade witl caus_
excessive vibration and eventual damage
to mower and engine.
= The blade can be sharpened with a file
or on a grinding wheel. Do not attempt
to sharpen while it is on the mower.
To check btade balance, you will need
5/8" diameter steel bolt, pin, or a cone
balancer. (When using a cone balance_
follow the instructions supplied with bai
ancer).
NOTE: Do not use a nail for balancing
blade. The lobes of the center hole may
appear to be centered, but are not.
Slide blade onto an unthreaded portior_
of the steel bolt or pin and hold the bolt
or pin para!iel with the ground. If blade
is bafanced, it should remain in a hori-
zontal position. If either end of the biad
moves downward, sharpen the heavy
end until the blade is balanced.
Center Hole
B_ade
BATTERY
"{our tractor has a battery charging syste_
which is sufficient for normal use. Howev
er, periodic charging of the battery with al
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.
NOTE: The originai equipment battery or
your tractor is maintenance free. Do not
attempt to open or remove caps or cove_
Adding or checking level of electrolyte is
not necessary.
TO CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the battery and tar-.
minats can cause the battery to "leak"
power.
, Remove terminal guard.
Disconnect BLACK battery cable first
then RED battery cable and remove
ba_e_y from tractor.
18

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