Craftsman 917273080 tractor

User Manual - Page 21

For 917273080.

PDF File Manual, 64 pages, Download pdf file

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TRACTOR
Always observe safety rules when
performing any maintenance.
BRAKE OPERATtON
If tractor requires more than six (6) feet
stopping distance at high speed in
highest gear, then brake must be
adiusted. (See "TO ADJUST BRAKE" in
the Service and Adjustments section of
this manual).
TIRES
Maintain proper air pressure in all tires
(See "PRODUCT SPECIFICATIONS"
section of this manual).
Keep tires free of gasoline, oil, or
insect control chemicals which can
harm rubber.
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 sealant also
prevents tire dry rot and corrosion.
OPERATOR PRESENCE SYSTEM
Be sure operator presence and interlock
systems are working properly. If your
tractor does not function as described.
repair the problem immediately.
The engine should not start unless the
clutch/brake pedal is fully depressed
and attachement clutch control is in
the disengaged position.
When the engine is running, any
attempt by the operator to leave the
seat without first setting the parking
brake should shut off the engine.
When the engine is running and the
attachment clutch is engaged, any
attempt by the operator to leave the
seat should shut off the engine.
The attachment clutch should never
operate unless the operator is in the
seat.
BLADE CARE
For best results mower blades must be
kept sharp. Replace bent or damaged
blades.
BLADE REMOVAL
Raise mower to highest position to
allow access to blades.
Remove hex bolt, lock washer and flat
washer securing blade.
Install new or resharpened blade with
trailing edge up towards deck as
shown.
IMPORTANT: To ensure proper ass,
bly, center hcte in blade must align,
star on mandrel assembly.
Reassemble hex bolt, lock washe,
and flat washer in exact order as
shown.
Tighten bolt securely (27-35 Ft. LI:
torque).
IMPORTANT: Blade bolt is Grade 8
treated. MandrelAsser
Trailing Blade Center __,_,_-_
EdgeUp('_'_ i Hole _1 _-_
Lock Washer _ "_.._-_'_... "Star
*A Grade 8 heat treated bolt can be iden
by sixlineson the bolt head.
TO SHARPEN BLADE
NOTE: We do not recommend sharl:
ing blade - but if you do, be sure the
blade is balanced.
Care should be taken to keep the bl;
balanced. An unbalanced blade wil
cause excessive vibration and even
damage to mower and engine.
The blade can be sharpened with
file or on a grinding wheel. Do no
attempt to sharpen whi_e on the
mower.
To check blade balance, you will
a 5/8" diameter steel bolt, pin, or
cone balencer. (When using a co
balancer, follow the instructions
supplied with balancer.)
NOTE: Do not use a nail for balancil
blade. The lobes of the center hole r
appear to be centered, but are not.
Slide blade on to an unthreaded
portion of the steel bolt or pin and
the bolt or pin parallel with the gro
If blade is balanced, it should ram
in a horizontal position. If either e=
the blade moves downward, sharl
the heavy end until the blade is
balanced.
5/8" B_
Center Hole
21
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