To Clean Battery And Terminals; Engine Lubrication; To Change Engine Oil - Craftsman 917.255950 Owner's Manual

18.0 hp twin cylinder electric start 44" mower 6 speed garden tractor
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NTENANCE
BATTERY
(See FIG. 21)
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 cell should be even with
bottoms of vent wells. Add only distilled or iron-free water
if necessary.
Do not overfill.
CUT AWAY VIEW
I
,
_''_, VENT CAP
BATTERY
TUBE
BATTERY
CELL
FIG. 21
• Keep battery and terminals clean.
, Keep battery bolts tight.
• Keep vent caps tight and small vent holes in caps open.
• Recharge at 6 amperes for 1 hour.
TO CLEAN BAq-FERY AND TERMINALS -
Corrosion and dirt on the battery and terminals can cause
the battery to "leak" power.
• Remove terminal guard.
• Disconnect BLACK battery cable first then RED battery
cable and remove battery from tractor.
, Wash batt3ry with solution of four tablespoons of baking
soda to one gallon of water. Be careful not to get the soda
solution into the ceils.
• Rinse the battery with plain water and dry.
• Clean terminals and battery cable ends with wire brush
until bright.
• Coat terminals with grease or petroleum jelly.
• Reinstall battery (See "INSTALL BATTERY" in the As-
sembly section of this manual)_
ENGINE
LUBRICATION
Change the oil after the first two hours of operation and
every 100 hours thereafter or at least once a year if the trac-
tor is not used for 100 hours in one year.
Check the crankcase oil level before starting the engine and
after each five (5) hours of continuous use, Add SAE 30W
motor oil or equivalenL
Tighten oil fill cap/dipstick securely
each time you check the oil level. SAE 5W-30 motor oil may
be used to make starting easier in areas where temperature
is consistently 32 ° F or lower.
TO CHANGE ENGINE OIL (See FIGS. 22, 23 and 24)
Determine temperature
range expected before oil change,
All oil must meet API service classification SD, SE or SF_
• Be sure vehicle is on level surface,
• Oil will drain more freely when warm.
• Catch oil tn a suitable container.
Remove oil filler cap, Be careful not to allow dirt to enter
the engine when changing oil.
=_
ENGINE OIL
FILLERCAP
DIPSTICK
_
_
_
//
FIG. 22
Remove drain plug.
.,=
,,
°|1
i
OIL DRAIN PLUG
FIG, 23
• After ell has drained completely, replace oildrain plug and
tighten securely.
• Refill engine with oil through oil filler tube.
Pour slowly.
Do not overfill. For approximate capacity see PRODUCT
SPECIFICATIONS"
on page 3 of this manual.
• Use gauge on dipstick for checking level
Be sure dipstick
cap is in all the way for accurate reading.
Keep oil at
"FULL" line on dipstick.
RECOMMENDED SAE VISCOSITY GRADES
°F -20 °
32 °
60 °
80°
100°
°C -29°
-18 °
16°
27"
38 °
FIG. 24
17

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