Craftsman 917251471 tractor

User Manual - Page 17

For 917251471.

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CUSTOMER RESPONSIBILITIES
TRACTOR
Always observe safety rules when performing any mainte-
nance.
BRAKE OPERATION
f tractor requires more than six (6) feet stopping distance
at h_ghspeed in highest gear, then brake must be adjustee
(See "TO ADJUST BRAKE" in the Service and Adjust-
'neets 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 of gasoline, oil. or insect control chemt-
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. 9)
Raise mower to highest position to allow access to
blades.
Remove hex bolt, Iockwasher and flat washer securing
blade.
Install new or resharpened blade with trailin§ edge up
towards deck as shown,
Reassemble hex bolt. lock washer and flat washer in
exact order as shown.
Tighten bolt securely (30-35 Ft. Lbs. torque).
IMPORTANT: 3LADE BOLTISGRADE8HEATTREATED.
NOTE: We do not recommend sharpening blade -but ifyou
do. be sure the blade isbalancee
BLADE
MANDREL
/ ASSEMBLY
TRAILING EDGE
HEX BOLT
*A GRADE 8 HEAT TREATED BOLT CAN BE
IDENTIFIED BY SIX LINES ON THE BOLT HEAD,
FIG. 9
TO SHARPEN BLADE (See Fig. 10)
Care should De taken to keep the blade balanced. An
unbalanced blade will cause excesswe vibration and even -
tuat 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, youwill needah/8 diameter
steel bolt, pin. or a cone balancer, (When using a cone
balancer, follow the nstructions supplied with bar
ancer).
Slide blade onto an unthreadee portion of the steel bolt
or pin and hold the bolt or pin parallel with the ground.
If blade is balanced, it should rematn 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.
CENTER HOLE
BLADE
5/8" BOLT
OR PiN /
FIG. 10
BATTERY
Your tractor has a battery chargtng system which is suffi-
cient for normal use. However. periodic charging of the
battery with an automotive charge" 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 TERMINALS
Corrosion and dirt on the battery ane terminals can cause
the battery to "leak" power.
Remove terminal guard.
Disconnect BLACK battery cable first then RED bat-
tery 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.
Reinstall battery (See "CONNECT BATTERY" _nthe
Assembly section of this manualL
t7
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