Sears 917.25759 Lawn Mower User Manual


 
o To check blade balance, you will need a 5/8" diameter
AIways observe safety rules when pedormieg any mainteo
nance
BRAKE OPERATION
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 Sewice and Adiusb
meets section of this manual)
Maintain proper' ar pressure in all tires (See 'PROD°
UCT SPECIFICATIONS '_or page 3 of this manuai)
Keep tires free of gaso/ine_ oil or insect control chemi_
ca/s which can harm rubber
o Avoid stumps, stones, deep ruts, sharp objects and
other hazards that may cause tire damage.
BLADE CARE
For best results mowe blades must be kept sharp, Re
p_ace bent or damaged blades_
BLADE REMOVAL (See Fig, 11)
Rase mower to highest position to atiow access to
blades
. Remove hex bolt, lock washer and flat washer secudng
blade.
Install new or resharpened blade with traiiing edge up
towards deck as shown
o Reassemble hex bolt, fock washer and flat washer n
exact order as shown
o Tighten bo_tsecurely (30G5 Ft Lbs torque)_
IMPORTANT: BLADE BOLT IS GRADE 8 HEATTREATED,
NOTE: We do not recommend sharpening Made-. but if you
do, be sure the btade is ba arced,
BLADE
MANDREL
ASSEMBLY
_ REX BOLT (GRADE 8)_
_AGRADE 8 HEAT TREATED BOLT CAN BE
iDENTIFIED BY SiX LINES ON THE BOLT HEAD,
FIG, 11
TO SHARPEN BLADE (See Fig, 12)
Care should be taken to keep the blade bafance& An
unbalanced blade wili cause excessive vibration and even°
tual damage to mower and engine,
o The blade can be sharpened with a file or on a grinding
wheel, Do not attempt to sharpen while on the moweh
S_ideblade on to an unthreaded po_ion of the steeI bet
or pin and hold the bolt or pin paral/et with the ground
If blade is balanced, it shoWd 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 anai! for balancing blade. The lobes of
the center hole may appear to be centered, but are not,
5/8" BOLT BLADE
OR PIN
F_G. !2
BATTERY (See Fig. 13)
Your tractor has a battery charging system which is suffi.-
cient for _orma} use. However periodic chac:_ing of the
batten! with an ¢_utomotw; charger will e×tend ts fife
o Acid soiut on ievel in each battery cell shoud be ew:_n
wilh bottoms of vent weIIs_ Add only distilled or i_onfree
water if necessarj. Do not ovediit
o Keep batte_ and terminals clean.
o Keep battery bolts tight
o Keep vent caps tght and small vent holes in caps open.
Recharge at 6 amperes for 1 hour°
TO CLEAN BATTERY AND TERMINALS
Corrosion and d_l on the batte_'7and termina s can cause
the battery to 'teak!' power.
Open battery' box doer.
o Disconnect BLACK batter! came first then RED bat-.
teq/cable and remove battery from tractor
o Wash battery with solution of four tablespoons d
baking soda to one gallon of water. Be careful not to get
the soda solution into the ceils.
o Rinse the batten/with plain water and dry,
Clean terminals and battery cable ends with wire brush
until bright.
o Coat terminais with grease or petroleum ieHy.
Reinstall batter,/ (See "INSTALL BATTERY" in the
Assembly secti6n of this manual),
CUT AWAY VIEW VENT CAP
VENT
WELL
BATTERY
CELL ACID
LEVEL
FiG. 13
15