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OPERATOR'S |
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MANUAL |
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and MAINTENANCE INSTRUCTIONS for |
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TECUMSEH |
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MODELS |
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HSK600 |
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HSK845, 850, 600 |
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SNOW BLOWER ENGINE |
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HSK845/850 |
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HORIZONTAL CRANKSHAFT |
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AIR COOLED -TWO-CYCLE ENGINE |
THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH IF NOT FOLLOWED COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY OF YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL AND ANY PROVIDED WITH THE EQUIPMENT ON WHICH THIS ENGINE IS USED BEFORE ATTEMPTING TO OPERATE YOUR TECUMSEH ENGINE.
THESE SYMBOLS
MAY APPEAR ON
THE ENGINE:
California Proposition 65 WARNING: The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
SPARK PLUG WIRE
SPARK
PLUG
MUFFLER
CARBURETOR
STARTER HANDLE |
HSK600 |
2-1-99 181-807-14
RECOIL STARTER
MODEL AND
D.O.M. DECAL
SPARK PLUG WIRE
MUFFLER
SPARK
PLUG
CARBURETOR |
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STARTER HANDLE |
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HSK845/850 |
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RECOIL |
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STARTER |
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Figure 1 |
181-807-14 |
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Page 1 |
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ENGINES WHICH ARE CERTIFIED TO COMPLY WITH CALIFORNIA AND U.S. EPA EMISSION REGULATIONS FOR ULGE ENGINES:
Are certified to operate on regular unleaded gasoline / oil mix. Include the following emission control system(s): EM, TWC (if so equipped); Do not include any user adjustable features - therefore no other adjustments are need.
OIL & FUEL RECOMMENDATIONS
À USE CLEAN, HIGH QUALITY 2 CYCLE OIL, NMMA TC-WII, OR TC-W3.
TECUMSEH SPECIALLY FORMULATED OIL IS RECOMMENDED AND AVAILABLE FROM ANY AUTHORIZED TECUMSEH SERVICE OUTLET BY SPECIFYING PART NUMBER 730227.
DO NOT USE MULTI-VISCOSITY OIL!
ÁA FRESH, CLEAN, UNLEADED REGULAR,
UNLEADED PREMIUM, OR REFORMULATED AUTOMOTIVE GASOLINE ONLY. DO NOT
USE LEADED GASOLINE.
NOTE: Do not use gasoline containing methanol (wood alcohol) fuel containing up to 10% ethanol (gasohol) or up to 15% MTBE (Methyl Tertiary Butyl Ether) may be used but requires special care when the engine is not used
for extended periods. See "Storage" instructions.
 MIXING OIL & GASOLINE
THE FUEL/OIL MIX RATIO IS 50:1 WITH THE USE OF A NMMA CLASSIFIED OIL.
FOR NEW ENGINES:USE TWICE THE NORMAL OIL QUANTITY FOR THE FIRST GALLON OF FUEL.
NOTE: 32:1 fuel/oil mix ratio is recommended with non NMMA oils. (Due to differences in fuel and oil availability worldwide, Tecumseh recommends a 32:1 mix ratio if NMMA oil is not available.)
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FUEL MIX CHART |
Mixture 50:1 |
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U.S. |
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S.I. (METRIC) |
Gas |
Oil To Be Added |
Petrol |
Oil To Be Added |
1 Gal. |
2-1/2 oz. |
4 Liters |
80 ml |
2 Gal. |
5 oz. |
8 Liters |
160 ml |
5 Gal. |
13 oz. |
20 Liters |
400 ml |
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FUEL MIX CHART |
Mixture 32:1 |
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U.S. |
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S.I. (METRIC) |
Gas |
Oil To Be Added |
Petrol |
Oil To Be Added |
1 Gal. |
4 oz. |
4 Liters |
125 ml |
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2 Gal. |
8 oz. |
8 Liters |
250 ml |
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5 Gal. |
20 oz. |
20 Liters |
625 ml |
DO NOT MIX DIRECTLY IN ENGINE FUEL TANK.
1.Fill approved, clean container one quarter full with recommended gasoline.
2.Add recommended oil to gasoline per FUEL MIX CHART below at left.
3.Screw cap on container and shake vigorously. Then unscrew cap and fill container with gasoline as shown in FUEL MIX CHART. Once mixed oil and gasoline will not separate.
NEVER MIX OR STORE GASOLINE/OIL MIXTURE IN DOORS 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.
BEFORE STARTING
ÀREAD ALL INSTRUCTIONS PROVIDED WITH THE EQUIPMENT ON WHICH THIS ENGINE IS USED.
ÁFILL FUEL TANK:
A.Clean area around fuel fill cap, remove cap.
B.Add FUEL MIX specified in the preceding “OIL & FUEL RECOMMENDATIONS’’, item 3. Use a funnel to help avoid spillage.
Never use “stale” gasoline left over from last season or stored for long periods.
C.Install fuel fill cap and wipe up any spilled FUEL MIX.
NEVER FILL FUEL TANK INDOORS. NEVER FILL 
FUEL TANK WHEN ENGINE IS RUNNING OR HOT. DO NOT SMOKE WHEN FILLING FUEL TANK.
NEVER FILL FUEL TANK COMPLETELY. FILL TANK
TO 1/2'’ BELOW BOTTOM OF FILLER NECK TO
PROVIDE SPACE FOR FUEL EXPANSION.
WIPE ANY FUEL SPILLAGE FROM ENGINE AND EQUIPMENT BEFORE STARTING ENGINE.
 CHECK THE FOLLOWING:
A.BE SURE EQUIPMENT IS IN NEUTRAL GEAR WITH
CLUTCHES, BELTS, CHAINS AND SAFETY SWITCHES DISENGAGED. (FOLLOW EQUIPMENT MANUFACTURER’S INSTRUCTIONS.) THIS SHOULD PLACE ANY SAFETY SWITCHES IN SAFE STARTING POSITION.
B.Be sure spark plug wire is attached to spark plug (see Figure 2).
C.Be sure any ignition switch on engine or equipment is in “ON”, “RUN” or “START” position.
SPARK PLUG WIRE
SPARK
PLUG
COVER VENT HOLE
WHEN PUSHING PRIMER
Figure 2
Page 2 |
181-807-14 |
STARTING
NEVER RUN ENGINE INDOORS OR IN ENCLOSED, POORLY VENTILATED AREAS. ENGINE EXHAUST CONTAINS CARBON MONOXIDE, AN ODORLESS AND DEADLY GAS.
KEEP HANDS, FEET, HAIR AND LOOSE CLOTHING AWAY 
FROM ANY MOVING PARTS ON ENGINE AND EQUIPMENT. NEVER LEAVE EQUIPMENT UNATTENDED WHEN ENGINE IS RUNNING.
WARNING - TEMPERATURE OF MUFFLER AND NEARBY AREAS MAY EXCEED 1500F (650C). AVOID THESE AREAS.
NOTE: If engine is remotely controlled, see equipment manufacturer’s instructions for control positions which correspond to engine control positions in Figure 3.
ÀRECOIL STARTER:
A.Move choke lever on engine or equipment (see Figure 3) to “FULL CHOKE”.
NOTE: IF RESTARTING A WARM ENGINE AFTER A SHORT SHUTDOWN:
1.MOVE CHOKE TO “NO CHOKE” INSTEAD OF “FULL CHOKE”.
2.DO NOT USE PRIMER.
B.Push primer 3-5 times (see Figure 2). Wait about two (2) seconds between each push. ALWAYS COVER “VENT HOLE” when pushing primer. See warm engine restart “NOTE” above.
NOTE: Additional priming may be required, for initial start only, if temperature is below 150F/-100C.
C.Grasp starter handle (see Figure 1) and pull rope out, slowly, until it pulls slightly harder. Let rope rewind slowly. Then pull rope with a rapid full arm stroke. Let rope return to starter slowly.
NOTE: If engine fails to start after three (3) pulls, push primer two (2) times and pull starter rope again.
D.When engine starts, move choke lever gradually to “NO CHOKE”.
E.If engine falters, move choke lever immediately to “FULL CHOKE” and then gradually to “NO CHOKE”.
CHOKE LEVER
NO |
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FULL CHOKE |
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CHOKE |
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WARM UP |
(COLD ENGINE |
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(RUN) |
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START) |
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Figure 3 |
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STARTING (Continued)
Á ELECTRIC STARTER (see Figure 4)
WARNING: THE 120V A.C. STARTER IS EQUIPPED WITH A TWOWIRE POWER CORD AND PLUG, AND IS DESIGNED TO OPERATE ON 120V A.C. HOUSEHOLD CURRENT. THE STARTER MUST BE PROPERLY GROUNDED AT ALL TIMES TO AVOID THE POSSIBILITY OF INJURY OR DEATH FROM ELECTRICAL SHOCK.
NOTE: If your engine is equipped with a 12V battery-operated electric starter, disregard instructions regarding power cord.
A.Connect power cord to switchbox on engine.
B.Plug other end of power cord (see Figure 4) into wall receptacle.
IMPORTANT: When connecting power cord, always connect power cord to switch box on engine first; then into wall receptacle.
C.Move engine choke to “FULL”.
D.Push primer two or three times, making sure to cover vent hole when pushing (see Figure 2). In temperatures below 150F (-100C), additional priming may be required.
NOTE: If restarting a warm engine after a short shutdown:
1.Leave choke in "OFF" position.
2.Push primer one time only.
E.Push starter button (see Figure 4) or turn ignition switch key (see equipment manufacturer’s instructions) to crank engine.
F.When engine starts, release starter button and move choke gradually to “OFF”.
G.If engine falters, move choke immediately to “FULL” and then gradually to “OFF”.
H.Disconnect power cord (see Figure 4) from wall receptacle first, and then from switchbox on engine.
IMPORTANT: When disconnecting power cord, always unplug wall receptacle end first; then unplug switchbox on engine. NOTE: The electric starter is thermally protected. If overheated,
it will stop automatically and can be restarted only when it has cooled to a safe temperature (a wait of approximately 5-10 minutes is required).
If, after following the preceding instructions, the engine does not start, have it checked by your Authorized Tecumseh Service Outlet.
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SWITCHCORD |
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TO STARTER |
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SWITCHBOX |
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STARTER |
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BUTTON |
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POWERCORD |
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TO OUTLET |
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120V A.C. APPLICATION
Figure 4
Page 3 |
181-807-14 |
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