Craftsman 917256530 tractor

User Manual - Page 18

For 917256530.

PDF File Manual, 30 pages, Download pdf file

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CUSTOiVIE RESPONSmBmLHTIES
TRACTOR
Always observe safety rules when performing any 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 "TO 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)
o Keep tires free of 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_
BLADE CARE
For best results mower blades must be kept sharp. Re-
place bent or damaged blade&
BLADE REMOVAL (See Fig. 14)
= Raise mower to highest position to allow access to
blades.
o Remove hex bolt, lock washer and flat washer securing
blade,,
Install new or resharpened blade with trailing 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: BLADE BOLT IS GRADE 8 HEATTREATED.
NOTE: We do not recommend sharpening blade-but ifyou
do, be sure the blade is balanced.
BLADE _./--_ MANDREL
I TBAIL,.GEDGE
FLAT WASHER _ "_ _ _ I
LOCK WASHER _ _ _"'_ "_'_. |
,GBADE8,
*A GRADE 8 HEAT TREATED BOLT CAN BE
IDENTIFIED BY SIX LINES ON THE BOLT HEAD.
FIG. 14
TO SHARPEN BLADE (See Fig. 15)
Care should be taken to keep the blade balance& An
unbalanced blade will cause excessive vibration and even-
tual damage to mower and engine_
The blade can be sharpened with afile or'on a grinding
wheel. Do net attempt to sharpen while on the mower_
° To check blade balance, you will 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 on to an unthreaded portion of 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 nail for'balancing blade The lobes of
the center hole may appear to be centered, but are not.
CENTER HOLE
518" BOLT
BLADE
FIG. 15
18
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