Craftsman 917.25693 Lawn Mower User Manual


 
CUSTO ER
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).
TnRES
o Maintain proper air pressure in afi 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..
o Avoid stumps, stones, deel_ ruts, sharp objects and
other' hazards that may cause tire damage°
BLADE CARE
For best results mower blades must be kept sharp_ Replace
bent or damaged blades.
BLADE REMOVAL (See Fig. 15)
° Raise mower' to highest position to aliow access to
blades.
o
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 ISGRADE 8 HEAT TREATED.
NOTE: We do not recommend sharpening blade -but ifyou
do, be sure the blade is balanced°
BLADE
MANDREL
ASSEMBLY
TRAILING EDGE
HEX BOLT
(GRADE 8)*
*A GRADE 8 HEAT TREATED BOLT CAN BE IDENTIFIED
BY SIX LINES ON THE BOLT HEAD,
FIG. 15
ESPONS LINES
TO SHARPEN BLADE (See Fig. 16)
Care should be taken to keep the blade balance& An
unbalanced blade will cause excessive vibration and even-
tual damage to mower and engine.
o The blade can be sharpened with a rite or on a grinding
wheel° Do not attempt to sharpen while on the mower.,
o To check blade balance, you wilt need a 5/8" diameter
steel boit, i_in,'oi-a c0ne balancer. (When using a cone
balancer, follow the instructions supplied with baF
ancer)o
o Slide bladeon 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 / /'
/ /'
/ /'
BLADE
5/8"BOLT
OR PIN
FiG. 16
BATTERY (See Fig. 17)
Your unit has a battery charging system which is sufficient
for' normal use° However, periodic charging of the battery
with an automotive charger will extend its life..
= Acid solution level in each battery celt should be even
with bottoms of vent wells. Add only distilled oriron free
water if necessary. Do not overfill
o Keep battery and terminals clean..
Keep battery bolts tight.
o Keep vent caps tight and small vent holes in caps open.
= Recharge at 6 amperes for' 1 hour.
CUT AWAY VIEW
VENT CAP
VENT
_ ............................._ WELL
BATTERY
CELL ACID
LEVEL
FIG. 17
16