Tecumseh HM90 Automobile User Manual


 
STORAGE
NEVER STORE ENGINE WITH FUEL IN TANK INDOORS OR IN
ENCLOSED, POORLY VENTILATED AREAS, WHERE FUEL FUMES
MAY REACH AN OPEN FLAME, SPARK OR PILOT LIGHT AS ON A
FURNACE, WATER HEATER, CLOTHES DRYER OR OTHER GAS
APPLIANCE.
IF ENGINE IS TO BE UNUSED FOR 30 DAYS OR MORE, PREPARE AS
FOLLOWS:
ÀÀ DRAIN FUEL SYSTEM:
A. Remove all gasoline from carburetor and fuel tank to prevent gum
deposits from forming on these parts and causing possible malfunction
of engine.
DRAIN FUEL INTO APPROVED CONTAINER OUTDOORS, AWAY
FROM OPEN FLAME. BE SURE ENGINE IS COOL. DO NOT SMOKE.
B. Run engine until fuel tank is empty and engine stops due to lack of fuel.
NOTE: If “Gasohol” has been used, complete above instructions and
then put 1/2 pint of “Unleaded” gasoline into fuel tank and
repeat above instructions.
NOTE: Tecumseh SMART START
TM
gasoline preservative and
stabilizer is an acceptable alternative in minimizing the
formation of fuel gum deposits during storage. Add stabilizer
to gasoline in fuel tank or storage container. Always follow mix
ratio found on stabilizer container. Run engine at least 10
minutes after adding stabilizer to allow it to reach carburetor.
ÁÁ DRAIN CARBURETOR (if so equipped):
Drain carburetor by pressing upward on bowl drain (see Figure 10), which
is located below carburetor (see Figure 1).
DRAIN FUEL INTO APPROVED CONTAINER OUTDOORS, AWAY
FROM OPEN FLAME. BE SURE ENGINE IS COOL. DO NOT SMOKE.
NOTE: Do not drain carburetor if using fuel stabilizer.
ADJUSTMENTS (Continued)
ÁÁ CARBURETOR:
If you think your carburetor needs adjusting, see your nearest AUTHORIZED
TECUMSEH SERVICE OUTLET. Engine performance should not be
affected at altitudes up to 7,000 feet. For operation at higher elevations,
contact your AUTHORIZED TECUMSEH SERVICE OUTLET.
ÂÂ ENGINE SPEED:
NEVER TAMPER WITH ENGINE GOVERNOR WHICH IS FACTORY
SET FOR PROPER ENGINE SPEED. OVERSPEEDING ENGINE ABOVE
FACTORY HIGH SPEED SETTING CAN BE DANGEROUS. CHANGING
OF ENGINE GOVERNED SPEED WILL VOID ENGINE WARRANTY.
For engine adjustments and/or repairs not covered in this “OPERATOR’S
MANUAL” see “WARRANTY & REPAIR” on Page 6.
Page 5
Figure 10
Figure 8
Figure 9
REMOTE CONTROL CABLE
CABLE CLAMP
CLAMP SCREW
CONTROL
BRACKET
HIGH SPEED STOP
CONTROL LEVER
HIGH SPEED
IDLE
STOP
MANUAL
CONTROL
(IF SO EQUIPPED)
CONTROL A
CARBURETOR
CLAMP SCREW
REMOTE CONTROL
CABLE
CABLE CLAMP
CONTROL LEVER
REMOTE
CABLE STOP
SCREW AND
STOP
HIGH SPEED
STOP
CONTROL BRACKET
CONTROL B
181-630-14
BOWL DRAIN
ÂÂ CHANGE OIL:
Change oil if it has not been changed in the last three (3) months. See
“CHANGE OIL” instructions in “MAINTENANCE” section.
ÃÃ OIL CYLINDER BORE:
A. Remove spark plug. Squirt one (1) oz. (30 ml) of clean engine oil into spark
plug hole.
B. Cover spark plug hole with a rag.
C. Crank engine over, slowly, several times.
AVOID SPRAY FROM SPARK PLUG HOLE WHEN CRANKING ENGINE
OVER SLOWLY.
D. Install spark plug. Do not connect spark plug wire.
ÄÄ CLEAN ENGINE:
Remove any clippings, dirt, or chaff from exterior of engine.
ÅÅ BATTERY (if so equipped):
See equipment manufacturer’s instructions for proper storage of battery.