EN–12
Adjusting Throttle
Throttle control adjustment may be required if engine
does not start. Whenever a new throttle control cable
is installed, throttle must be adjusted.
1.
Stop engine and wait for all moving parts to
stop. Pull wire off spark plug (Fig. 12).
2.
Loosen cable clamp screw until throttle cable
slides (Fig. 21).
3.
Move governor control lever, throttle cable and
casing in direction of arrow as far as possible
(Fig. 21).
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, 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 optimum engine performance.
Adjusting Wheel Drive
If mower does not self–propel or self–propels when
control bar is more than 1–1/2 inches from the
handle, adjust wheel drive control knob on rear of
gear box.
1.
Close door in mower housing and remove grass
bag.
2.
ADJUSTMENT (Fig. 22)—Rotate control knob
clockwise 1/2 turn if mower does not
self–propel. If mower creeps forward, rotate
knob 1/2 turn counterclockwise to loosen belt.
3.
CHECK ADJUSTMENT—Slowly pull mower
backward while control bar is gradually moved
toward handle. Adjustment is correct when rear
wheels stop turning and control bar is about 1
inch from handle (Fig. 23).
Inspecting/Removing/
Sharpening Blade
Always mow with a sharp blade. A sharp blade cuts
cleanly and without tearing or shredding the grass
blades like a dull blade.
1.
Stop engine and wait for all moving parts to
stop. Pull wire off spark plug (Fig. 12).
2.
Drain gasoline from fuel tank; refer to Draining
Gasoline, page 11.
3.
Tip mower on its left side (Fig. 24).
POTENTIAL HAZARD
•
Someone could accidentally start the
engine.
WHAT CAN HAPPEN
•
Accidental starting of engine could cause
serious injury to operator or bystanders.
HOW TO AVOID THE HAZARD
•
Do not attempt to inspect, remove or
replace blade without first removing the
spark plug wire from spark plug and
fastening it away from accidental contact
with spark plug.
4.
INSPECTING BLADE—Carefully examine
blade for sharpness and wear, especially where
flat and curved parts meet (Fig. 25A). Since sand
and abrasive material can wear away the metal
that connects the flat and curved parts of the
blade, check blade before using the mower. If a
slot or wear is noticed, (Fig. 25B & C), replace
blade. Refer to step 5.
Note:
For best performance, install new blade
before cutting season begins. During
the year, file down small nicks to
maintain the cutting edge.
