Sears 917.258473 Lawn Mower User Manual


 
R BILITIES
.....,,,,..... ill, ,, i i, i,,,,,, ,i i
TRACTOR
Always observe safety rules when performingany 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 'q'O 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 ef 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°
lllllll : ill ii = i
TO SHARPEN BLADE (See Fig. 13)
Care shoufd be taken to keep the blade balanced. An
unbalancedblade willcauseexcessive vibrationand 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,
° To check blade balance, you wilt 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 onto an unthreaded portionof the steel bolt
or pinand hold the bolt or pin parallelwith 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 lobes of
the center hole may appear to be centered, but are not
NOTE: To seal tire punctures and prevent flat tiresdue to
slow leaks, tire sealant may be purchased from your local
parts dealer_ Tire sealant also prevents tire dry rot and
corrosion.
BLADE CARE
For' best results mower' btades must be kept sharp_ Re-
place bent or damaged blades.
BLADE REMOVAL (See Fig. 12)
° Raise mower to highest position to allow access to
blades.
. Remove hex bolt, lock washer and flat washer secur-
ing blade.
. Installnew or resharpened blade withtrailingedge up
towards deck as shown.
Reassemble hex bolt, lockwasher and flat washer in
CENTER HOLE / /
5/8" BOLT BLADE
OR PiN J
FIG. 13
BATTERY
exact order as shown.
. Tighten bolt securely (30-35 Ft. Lbs, torque).
IMPORTANT: BLADE BOLT 1SGRADE 8 HEATTREATED,,
NOTE: We do not recommend sharpeningblade - but if
,ou do, be sure the blade is balanced.
BLADE
MANDREL
ASSEMBLY
TRAILING
EDGE UP
LOCK WASHER
',HEX BOLT (GRADE 8)*
*A GRADE 8 HEAT TREATED BOLT CAN BE
IDENTIFIED BY SIX LINES ON THE BOLT HEAD.
Your tractorhas 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 for1 houL
TO CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the battery and terminals can cause
the battery to "leak" power.
= Open battery box door.
Disconnect BLACK battery cable first then RED bat-
tory cable and remove battery from tractor,
° Rinse the battery with plain water and dry,
Clean terminals and battery cable ends with wire brush
until bright.
Coat terminals with grease or petroleum jelly,
° Reinstatl battery (See "CONNECT BATTERY" in the
Assembly section of this manual).
FIG. 12
18