Tecumseh 850, HSK845, 600 User Manual
OPERATOR'S
181-807-14
MANUAL
and MAINTENANCE INSTRUCTIONS for
TECUMSEH
MODELS
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
HSK600
HSK845/850
SPARK PLUG WIRE
RECOIL STARTER
HSK845, 850, 600
SNOW BLOWER ENGINE
HORIZONTAL CRANKSHAFT
AIR COOLED -TWO-CYCLE ENGINE
2-1-99 181-807-14
MODEL AND
D.O.M. DECAL
MUFFLER
CARBURETOR
STARTER HANDLE
HSK600
CARBURETOR
STARTER HANDLE
Figure 1
SPARK
PLUG
SPARK PLUG WIRE
HSK845/850
MUFFLER
RECOIL
STARTER
ENGINES WHICH ARE CERTIFIED TO COMPLY WITH CALIFOR-
181-807-14
NIA 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
ÀÀ 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!
Á A FRESH, CLEAN, UNLEADED REGULAR,
UNLEADED PREMIUM, OR REFORMULATED
AUTOMOTIVE GASOLINE ONLY. DO NOT
USE LEADED GASOLINE.
NOTE: Do not use gasoline containing methanol (wood alco-
hol) 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 avail-
ability worldwide, Tecumseh recommends a 32:1 mix
ratio if NMMA oil is not available.)
FUEL MIX CHART Mixture 50:1
U.S. 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
BEFORE STARTING
ÀÀ READ ALL INSTRUCTIONS PROVIDED WITH THE EQUIP-
MENT ON WHICH THIS ENGINE IS USED.
ÁÁ FILL 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.
ÂÂ 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
FUEL MIX CHART Mixture 32:1
U.S. S.I. (METRIC)
Gas Oil To Be Added Petrol Oil To Be Added
1 Gal. 4 oz. 4 Liters 125 ml
2 Gal. 8 oz. 8 Liters 250 ml
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.
COVER VENT HOLE
WHEN PUSHING PRIMER
Figure 2
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.
ÀÀ RECOIL 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”.
STARTING (Continued)
ÁÁ 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 en-
gine.
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 approxi-
mately 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.
SWITCHCORD
SWITCHBOX
TO STARTER
Ù
CHOKE LEVER
NO
CHOKE
(RUN)
WARM UP
Figure 3
FULL CHOKE
(COLD ENGINE
START)
TO OUTLET
STARTER
BUTTON
POWERCORD
Ù
120V A.C. APPLICATION
Figure 4
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