Manual

7. Tip mower on its right hand side and remove the
oil drain plug.
FIGURE 39. OIL DRAIN LOCATION
ENGINE MAINTENANCE
CAUTION
Stop the engine and disconnect the
spark plug wire from the spark plug
before making any adjustments.
To obtain long life and trouble-free service from your
engine, certain normal maintenance must be per
formed as outlined below:
1. Check unit on which engine is mounted. Hard start
ing can result if blades are loose, belts or chains
too tight, etc. Periodically check bowden wire con
trols. If the wire has loosened it may not put the
carburetor on full choke when starting or open the
throttle wide enough for the RUN or FAST position.
2. Change oil in crankcase after first two (2) hours of
operation. Then, follow instructions outlined un
der OIL, page 16.
CAUTION
Disconnect high tension wire at spark
plug to prevent accidental starting of
engine. Unscrew oil drain plug located
on side of engine (figure 1).
NOTE
Always tip engine toward oil drain hole.
Be sure oil drains completely.
Replace oil drain plug and refill with oil as di
rected on page 1, or engine nameplate.
3. CHECK OIL every nve (5) operating hours or each
time equipment is used.
a. If engine has dip stick, keep oil level at mark
indicated by adding if necessary.
4. CLEANING ENGINE—This is an air-cooled engine
which operates most efficiently when the cooling
fins are clean.
Clean cylinder fins .tnd underside of tank or housing
thoroughly of all accumulated grass and debris.
5. AIR CLEANERS-
a. Polyurethane T>pe—Serviceable. Clean element
every ten (10) hours or oftener if engine runs
rich and emits black smoke from the exhaust.
Service by removing air cleaner cover. Remove
polyurethane element and wash in detergnt and
water solution by squeezing similar to a sponge.
Squeeze out cleaning solution. Re-oil element
by applying generous quantity of oil to sides
and open ends. Squeeze to distribute oil and to
remove excess oil. Reinstall element and air
cleaner cover as illustrated in figure 40.
Element
Housing
Sci'een
^'] Bracket
.Attaching
Screw
Element
FIGURE 40.
17