14
Draining
Gasoline
1. Stop engine and wait for engine to cool. Pull
wire off spark plug (Fig. 10). Remove key from
switch on electric start model.
Note: Drain gasoline from a cold engine
only.
2. Remove cap from fuel tank (Fig. 8) and use a
pump-type syphon to drain fuel into clean gas
can.
Note: This is the only procedure
recommended for draining fuel.
Changing
Crankcase Oil
Change oil after the first 5 operating hours and then
after every 50 hours or every season. Change oil
while engine is warm.
Note: Change oil every 25 hours when
operating under heavy load or in high
temperatures.
1. Drain gasoline. Refer to Draining Gasoline
section.
2. Run engine until it dies. Try starting engine once
more to make sure gas is out of carburetor.
3. Pull wire off spark plug (Fig. 10). Remove key
from switch on electric start model.
4. If grass bag is installed on mower, close door in
mower housing and remove bag.
5. Remove dipstick from oil fill tube and place a
drain pan next to left side of mower.
6. Tip mower on its left side, allowing oil to drain
into drain pan (Fig. 18).
7. When oil is drained, return mower to upright
position and add fresh oil to engine. Refer to Fill
Crankcase W
ith Oil, page 7.
8. Reconnect spark plug wire.
Adjusting
Throttle
Throttle control adjustment may be required if engine
does not start or stop. Whenever a new throttle
control cable is installed, throttle must be adjusted.
1. Stop engine and pull wire off spark plug
(Fig. 10). Remove key from switch on electric
start model.
2. Loosen cable clamp screw until throttle cable
slides (Fig. 19).
3. Move governor control lever, throttle cable and
casing in direction of arrow as far as possible
(Fig. 19).
4. Move throttle control to
(FAST position).
5. Tighten cable clamp screw to lock adjustment in
place.
Cleaning
Cooling System
After every 100 operating hours or every season,
clean dirt and chaff from cylinder, cylinder head fins
and from around carburetor and linkage. Also remove
debris from air intake slots on recoil housing. This
will ensure proper cooling and best engine
performance.
Adjusting
Wheel Drive
If mower does not self-propel or self-propels when
control bar is more than 4 cm (1!/2 inches) from the
handle, adjust wheel drive control knob on rear of
gear box.
1. Stop engine and pull wire off spark plug
(Fig. 10). Remove key from switch on electric
start model.
2. If grass bag is installed on mower, close door in
mower housing and remove bag.
3. ADJUSTMENT (Fig. 20)—Rotate control knob
clockwise
!/2 turn if mower does not self-propel.
If mower creeps forward when drive is not
engaged, rotate knob !/2 turn counterclockwise
to loosen belt.
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