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Operator’s Manual

HM80-100

Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled

Table of Contents

Important Notice! Safety Definitions ................................................ ii

I. General Safety Precautions  ...........................................................  1

II. How to Get Service  ........................................................................  3

III. Oil and Fuel Specifications .............................................................  3
IV. Before Starting Your Engine ...........................................................  4

V. Starting Your Engine  ......................................................................  8

VI. Stopping Your Engine and Short-Term Storage  ...........................  12

VII. Maintenance ................................................................................  12

VIII. Transporting Your Engine .............................................................  15

IX. Storing your Engine ......................................................................  15

X. Preventing Forest, Brush and Grass Fires ...................................  17

XI. Maintenance Intervals...................................................................  18

California & US EPA Emission Control Warranty Statement ........  20
Emission Control System Warranty  .............................................  21

XII. Warranty Information ..................................................................... 22

181-630-14

(English) 01/01/04

Summary of Contents for LH318XA HM80-100

Page 1: ...fications 3 IV Before Starting Your Engine 4 V Starting Your Engine 8 VI Stopping Your Engine and Short Term Storage 12 VII Maintenance 12 VIII Transporting Your Engine 15 IX Storing your Engine 15 X...

Page 2: ...ur personal safety Keep this manual handy at all times for future reference Read it carefully and familiarize yourself with operating maintenance components and safety instructions Notice Regarding Em...

Page 3: ...container to store and dispense fuel Tecumseh recommends purchasing gasoline in containers with a capacity of 2 5 gallons or less Small containers are easier to handle and help eliminate spillage duri...

Page 4: ...ccidental starting when working on equipment always Disconnect spark plug wire and keep it away from spark plug See Figure 3 Keep the disconnected spark plug wire securely away from metal parts where...

Page 5: ...covered within this Operator s Manual and it is intended for individuals who have had adequate training experience and who practice proper tool usage Service procedures should be clearly understood an...

Page 6: ...se and every 5 operating hours when engine is warm Check oil level more frequently during engine break in Keep oil level between FULL and ADD marks on dipstick See Figure 7 Be sure oil fill cap is tig...

Page 7: ...9 D Low Oil Shutdown Switch Some engines are equipped with an optional Low Oil Shutdown Switch This is a lighted rocker switch that is connected to a float switch in the engine crankcase When oil leve...

Page 8: ...ighly flammable and can explode Fuel vapors can spread and be ignited by a spark or flame many feet away from engine To prevent injury or death from fuel fires follow these instructions 1 Stop engine...

Page 9: ...not equipped with a CLIMATE GUARD air cleaner a CLIMATE GUARD Conversion Kit is available at any Authorized Tecumseh Servicing Dealer See Figure 15 If the engine is equipped with a CLIMATE GUARD no c...

Page 10: ...ctric Starters instructions below If you have a manual recoil starter see B Engines with Recoil Starters instructions on page 10 A Engines with Electric Starters 1 To avoid carbon monoxide poisoning m...

Page 11: ...trol to NO CHOKE position 8 If engine dies after Choke Control is to moved to NO CHOKE position repeat steps 2 thru 7 to restart engine 9 If engine fires but does not continue to run move Choke Contro...

Page 12: ...tches are on See Figure 14 on page 7 4 Move Engine Speed Control to FAST position and set Choke Control to FULL position see equipment man ufacturer s instructions See Figures 25 thru 28 NOTE If resta...

Page 13: ...ontrol is moved to NO CHOKE position a Momentarily move Choke Control back to FULL CHOKE position b Next move Choke Control to 1 2 CHOKE position until engine runs smoothly c Finally move Choke Contro...

Page 14: ...fore each use and every 5 operating hours See A Checking Oil Level instructions on page 4 Change oil after first 2 operating hours and every 25 operating hours thereafter more often if operated in ext...

Page 15: ...ir cleaner on your engine Your engine will be equipped with one of the following air cleaners Type A or B Follow instructions for the air cleaner type that resembles your model See Figure 33 and Figur...

Page 16: ...our equipment manufacturer s instructions and an Authorized Tecumseh Servicing Dealer F Carburetor If you think your carburetor needs adjusting see your nearest Authorized Tecumseh Servicing Dealer En...

Page 17: ...he blower housing In addition remove grass clippings dirt and debris from the following areas Cooling fins Air intake screen Levers Linkage Guards Carburetor Head Removing debris will facilitate adequ...

Page 18: ...ilizer you can empty the fuel tank as described under I Draining Fuel instructions See B Extended Storage instructions B Extended Storage I Draining Fuel NOTES Clean debris from engine before draining...

Page 19: ...e engine for one to two seconds 7 Turn ignition switch key to OFF position Repeat Step 6 and Step 7 This will distribute oil throughout the cyl inder to prevent corrosion during storage 8 Remove rag c...

Page 20: ...ate_______________Owner Dealer Date_______________Owner Dealer Date_______________Owner Dealer Date_______________Owner Dealer Date_______________Owner Dealer Date_______________Owner Dealer Date_____...

Page 21: ...____________Owner Dealer Date_______________Owner Dealer Date_______________Owner Dealer Date_______________Owner Dealer Date_______________Owner Dealer Every 200 Hours or Seasonally Scheduled Mainten...

Page 22: ...t thereof has failed due to abuse neglect improper maintenance or unapproved modifications You are responsible for presenting your small off road engine to a Tecumseh Authorized Service Outlet any Tec...

Page 23: ...duled for replacement as required maintenance in the Operator s Manual shall be warranted for the period of time prior to the first scheduled replacement point for that part If the part fails prior to...

Page 24: ...urposes of this warranty policy consumer use shall mean consumer s personal residential household use by the original retail purchaser 5 For purposes of this warranty policy commercial use shall mean...

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