Craftsman 3One 917.257562 Owner's Manual page 16

CUSTOMER RESPONSIBILITIES
TRACTOR
Always observe safety rules when performing any mainte-
nanceo
BRAKE OPERATION
If tractor requires more than six (6) feet stopping distance
at highspeed in highest gear, then brake must be adjusted.
(See "TO ADJUST BRAKE" in the Service and Adjust-
ments section of this rnanual)o
TIRES
• Maintain proper airpressure in all tires (See "PROD-
UCT SPECiFICATiONS on page 3 of this manual).
, Keep tires free of gasoline, oil, or insect controlchemi-
cals which can harm rubber.
- Avoid stumps, stories, deep ruts, sharp objects and
other hazards that may cause tire damage_
TO SHARPEN BLADE (See Fig. 13)
Care should be taken to keep the blade balanced. An
unbalanced blade will 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 mowen
* To check blade balance, you will need a 5/8" diameter
steel bolt, pin, or a cone balancer. (When using a cone
batancer, follow the instructions supplied with bal-
ancer).
• Slide blade on to an unthreaded portionof the 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 nailfor balancing blade. The lobes of
the center hole may appear to be centered, but are not.
BLADE CARE
For best results mower blades 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 secu ring
bladeo
- Install new or resharpened blade with trailing edge up
towards deck as shown.
° Reassemble hex bolt, lock washer and fiat washer in
exact order' as shown.
• Tighten bolt securely (30-35 Ft. Lbs. torque),
IMPORTANT: BLADE BOLT IS GRADE 8 HEATTREATEDo
NOTE: We do not recommend sharpening blade- but if you
do, be sure the blade is balanced.
MANDREL
ASSEMBLY
FLAT WASHER
LOCK WASHER
HEX BOLT
(GRADE8) °
BLADE
TRAILING EDGE
/
*A GRADE 8 HEAT TREATED BOLT CAN BE IDENTIFIED
BY SIX LINES ON THE BOLT HEAD°
FIG. 12
'/ i
/ //
OR PIN
FIG; 13
BATTERY (See Fig, 14)
Your tractor has a battery charging system which is suffi-
cient for' normal use, However, pedodic charging of the
battery with an automotive charger will extend its life.
• Acid solution level in each batten./cell should be even
with bottoms of vent wells° Add onlydistilled or iron free
water if necessary+ Do not overfill.
• Keep battery and terminals clean+
• Keep battery bolts tight,
• Keep vent caps tight and small vent holes in caps open.
• Recharge at 6 amperes for 1 hour.
AWAY VENTOAP
FIG. 14
16