Sears Craftsman 917.251561 Owner's Manual page 18

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CUSTOMER
RESPONSIBILITIES
TRACTOR
Always observe safety rules when performing
any mainte-
narcs
BRAKE OPERATION
If tractor requires more than six (6) feet stopping
distance
a{ high speed fn highest gear, Ihen brake must be adjusted.
(See "TO ADJUST
BRAKE"
In the Service and Adjust-
ments section of this manual)
TIRES
Maintain proper airpressure
in all tires (See "PROD-
UCT SPECIFICATIONS"
on page 3 of this manual):
Keep tires free ol gasot(ne, oil, or insect control chemi-
cals which can harm rubber,
Aveid.slumps,
slones, deep ruts, sharp objects and
other hazard s 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, 12)
Raise mower to highest position
to allow access to
blades,
"
Remove hexboit, lock washer and flat washer securing
blade
tnstall new or resharpened
blade with trailing edge up
towards deck as shown
,,
Reassemble
hex bolt, tock washer and fiat washer in
exact order as shown
,,
Tighten bolt securely (30-35 FI. Lbso torque).
iMPORTANT:
BLADE BOLTISGRADEBHEATTREATED
NOTE: We do net recommend sharpening blade -,bul ifyou
do, be su_'ethe blade is balanced,
a....
_
MANDREL
_,_u_
t",__-_.._.*,_
ASSEMBLY
J
REX
BOLT
(GRADE
81 "--_.'
"_
'AGRADE a HEAT TREATED BOLT CAN BE
IDENTIFIED B Y SIXLINESON THE BOLT HEAD.
FIG. 12
TO SHARPEN BLADF_(See Fig, 13)
, Care should
be taken to keep the blade balanced.
An
unbaianced btade will cause excessive vibration and even*
tuB! damage to mower and engine.
The blade can be sharFJened with a file or on a grinding
wheel
Do not attempt to sharpen while on the mower
To check blade balance, you will need a 5/8" diameter
ales{bolt
pin, or a cone ba_ancer, (When using a cone
balancer,
follow the instructtdhs supplied
with bal*
anger)
Slide biade on to an unthreaded portion of the steel bolt
or pin and hold the bolt or pin parallel wilh the ground.
If btade is balanced,
it shoLJld remain in a horizontal
position,
tf either end of the biade moves downward,
sharpen the heavy end until the blade is balanced
NOTE;
Do not use a nail for balancing blade. The lobes o!
the center hole may appear to be centered, but are not.
NTE"HOLE /
/
FIG, 13
BATTERY
Your tractor has a battery charging system which is suffi-
cient for normal use
However,
periodic charging of the
battery with an automotive
charger will extend Its {ire,
'
"Keep battery and !erminals ctsan
Keep battery botts t!ght,
Keepsmall
vent tlo_es open.
Recharge at 6-!O amperes for I hour,
TO CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the batlery and tei_minals can cause
the batte_ to "Ieal¢' power
Remove termina_ guard
Digc0nn6ct BLACK battery cabte first then RED bat-
tery Cable ani_ rei'nove batlery from tractor.
Rinse the battery with plain water and dry,
Clean terminals and batterycable
ends with wire brush
unlit bright.
Coat terminals with grease or petroleum Jetly.
Reinstall battery (See "CONNECT
BATTERY _' In the
Assembly
section of this manuaI).
18

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