Craftsman 917.254611 - Manual (Page 15)

b. When grinding, care should be taken to maintain
blade balance and the blade should be checked for
proper balance before réinstallation on mower. An
unbalanced or bent blade will cause excessive vi­
bration when running, and eventual damage to
mower or engine. Replace bent or damaged blades
c. To check blade balance, drive a nail into a beam or
wall. Leave about one inch of the straight nail ex-
K osed. Place center hole of clean blade over the
ead ot the nail (Fig. 13). NOTE: CENTER HOLE
OF BLADE ON NAIL. IF BLADE IS PROPERLY
BALANCED. BLADE SHOULD REMAIN IN POSI­
TION SHOWN IN FIG. 13. IF EITHER END OF THE
BLADE MOVES DOWNWARD. BLADE IS NOT
BALANCED SHARPEN THE HEAVY END UNTIL
BLADE IS BALANCED
4. Battery Care
CHECK BATTERY
a. Battery acid solution level in each battery cell should
be even with bottoms of vent tubes in cells (Fig. 14)
Add ONLY distilled or iron free water if necessary.
NOTE: DO NOT OVERFILL,
b. Keep battery and terminals clean,
c Keep battery bolls tight,
d.
Keep vent caps light and small vent holes in caps
open.
e. Recharge with auto battery charger.
NOTE: OVERCHARGING WILL SHORTEN BATTERY
LIFE
CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the battery and terminals cause the
battery to leak” power and hinders the operation of the
charger.
REPAIR AND ADJUSTMENT
A
LEAD-ACID BATTERIES GENERATE
EXPLOSIVE GASES. KEEP SPARKS,
FLAME
AND SMOKING MATERIALS
AWAY FROM BATTERIES. ALWAYS
SHIELD YOUR EYES AROUND BAT­
TERIES.____________________________
a Remove terminal guard
b. Disconnect BLACK battery cable, then RED battery
cable, and remove battery from tractor
c Wash battery with lour tablespoons (6 grams) of
baking soda in one gallon (3.8 litres) of water.
NOTE: BECAREFULLNOTTOGETTHESODA
SOLUTION INTO THE CELLS
d. Rinse the battery with plain water, dry and reinstall
on tractor
e Clean terminals and battery cable ends with wire
bnjsh until bright
BATTERY
bie to negative terminal Coat terminal connections
with grease after installation of cables,
g Replace terminal guard
5. Change Engine Oil
The best time to change engine oil is at the end of a day's
operation when all dirt and foreign materiais are suspended
in the hot oil
Capacity is 1 quart (.94 litres). NOTE: DONOTOVERFILL.
Dipstick assembly must be securely tightened into tube at
ail times when engine is operating.
15