Tecumseh OVRM120 Operator's Manual
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Tecumseh OVRM120 Operator's Manual

Tecumseh OVRM120 Operator's Manual

Four-cycle engine - vertical crankshaft - air-cooled
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See also: Technician's Handbook , Handbook
TecumsehPower
Engine Operator's Manual
Four-Cycle Engine • Vertical Crankshaft • Air-Cooled
I. General Safety Precautions ............................................................. 1
II. How to Get Service .......................................................................... 3
III. Oil and Fuel Specifications ............................................................... 4
IV. Before Starting Your Engine ............................................................. 4
V. Starting Your Engine......................................................................... 7
VI. Stopping Your Engine and Short-Term Storage.............................. 13
VII. Maintenance................................................................................... 13
VIII. Transporting Your Engine ............................................................... 20
IX. Storing Your Engine........................................................................ 21
X. Preventing Forest, Brush and Grass Fires ..................................... 23
XI. Maintenance Intervals .................................................................... 23
Emission Control System Warranty................................................ 29
XII. Warranty Information ...................................................................... 30
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OVRM
120

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www.TecumsehPower.com
181-1216-14
(English) 1/01/08

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Summary of Contents for Tecumseh OVRM120

  • Page 1: Table Of Contents

    TecumsehPower Engine Operator’s Manual OVRM Four-Cycle Engine • Vertical 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 ............... 4 IV.

  • Page 2: Important Notice

    Tecumseh Products Company and are used by Tecumseh Power Company under license from Tecumseh Products Company. Tecumseh Power Company is no longer owned by Tecumseh Products Company nor is it associated or affiliated in any way with Tecumseh Products Company.

  • Page 3: General Safety Precautions

    I. General Safety Precautions • Allow engine to cool before refueling. • NEVER fill fuel tank indoors. Fill fuel tank outdoors in a well-ventilated area. WARNING • DO NOT smoke while refueling tank. Read equipment manufacturer’s manual and this • Use only an approved red GASOLINE container to material thoroughly before using this engine.
  • Page 4 E. DO NOT Modify Engine To avoid serious injury or death, DO NOT modify engine in any way. Tampering with the governor setting can lead to a DO NOT USE AS SHOWN runaway engine and cause it to operate at unsafe speeds. NEVER tamper with factory setting of engine governor.

  • Page 5: How To Get Service

    II. How to Get Service 2083 For engine adjustments, repairs or warranty service NOT covered in this manual, consult your local Authorized Tecumseh Servicing Dealer, call 1-800-558-5402, or go to www.TecumsehPower.com for additional information. TECUMSEH POWER COMPANY THIS ENGINE MEETS 1995-2005 CALIF & US EPA PHI APPLICABLE EMISSION REGULATIONS FOR SI SORE ENGINES www.TecumsehPower.com...

  • Page 6: Oil And Fuel Specifications

    III. Oil and Fuel Specifications Table 1. Recommended Oil Usage A. Oil To operate engine you need to use a clean, high quality, Tecumseh Recommended Oil Usage detergent oil. For recommended engine oil, see Table 1. Straight Grade Tecumseh Part No. 730225A or SAE 30 NOTES Be sure original container is marked A.P.I.
  • Page 7 B. Filling Oil Sump Oil Fill Cap With Dipstick If your engine has a dipstick go to step 1. If your engine does NOT have a dipstick, see "II. Oil Fill Cap Without Dipstick (Oil Fill Plug)" instructions below. 1. Be sure engine is upright and level. 2.
  • Page 8 C. Filling Fuel Tank An adult should fuel this engine. WARNING Front View NEVER allow children to refuel this engine. Gasoline (fuel) vapors are highly 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.

  • Page 9: Starting Your Engine

    V. Starting Your Engine Table 3. Engine Sections with Electric Starters If your engine has: Go to: An adult should start the engine. WARNING Only allow children to start engine if Primer Bulb Only Section A.I an adult has determined they are experienced and capable Choke Only Section A.II of such operation.
  • Page 10 NOTE DO NOT operate an electric starter for more than 5 seconds each attempt. 5. Push starter button or turn ignition switch key to start engine. 6. When engine starts, release starter button or ignition switch key. 7. If engine fails to start after 3 attempts repeat steps 2 thru 6 and try again.
  • Page 11 III. Primer Bulb and Choke In Temperatures above 40°F (5°C): Follow instructions in Section A.I. See "I. Primer Bulb Only" instructions on page 7. See Table 3 on page 7. In Temperatures below 40°F (5°C): 1. To avoid carbon monoxide poisoning, be sure engine is outdoors in a well-ventilated area.
  • Page 12 7. If engine fires but does NOT continue to run, move engine throttle control to “FAST” position and start Table 4. Engine Sections with Recoil Starters engine. If your engine has: Go to: 8. If engine fails to start after 3 attempts in the “FAST” position, move engine throttle control to “CHOKE”...
  • Page 13 3. When starting a cold engine, push primer bulb firmly 3 times, allowing primer bulb to return completely to orig- inal position between pushes. See Figure 24. NOTES Be sure to cover vent hole when pressing primer bulb. See Figure 24. Cooler temperatures may require pushing primer bulb firmly 5 times.
  • Page 14 III. Primer Bulb and Choke In Temperatures above 40°F (5°C): Follow instructions in Section B.I. See "I. Primer Bulb Only" instructions on page 10. See Table 4 on page 10. In Temperatures below 40°F (5°C): 1. To avoid carbon monoxide poisoning, be sure engine is outdoors in a well-ventilated area.

  • Page 15: Stopping Your Engine And Short-Term Storage

    VI. Stopping Your Engine and Short-Term Storage Stop engine according to equipment manufacturer’s instructions. To avoid unsupervised operation of WARNING an engine, especially by children, NEVER leave it unattended when it is running. Always turn off the engine after use and remove ignition key, if provided.
  • Page 16 Oil Fill Cap With Dipstick If your engine has a dipstick go to step 1. If your engine does NOT have a dipstick, see "II. Oil Fill Cap Without Dipstick (Oil Fill Plug)" instructions on page 16. 1. Carefully disconnect spark plug wire and keep it away from spark plug.
  • Page 17 5. Place approved recyclable oil container under oil drain plug, if present. See Figure 34. 6. Remove oil drain plug, if present. 7. Tip engine to position the oil flow, so it will drain from the lowest point on the engine (see equipment manu- facturer’s instructions).
  • Page 18 II. Oil Fill Cap Without Dipstick (Oil Fill Plug) If your engine does NOT have a dipstick go to step 1. If your engine has a dipstick, see "I. Oil Fill Cap With Dipstick" instructions on page 14. Figure 37. Disconnecting/Connecting Spark Plug 1.
  • Page 19 5. Place approved recyclable oil container under oil drain plug. 6. Tip engine to position the oil drain plug at the lowest point on the engine (see equipment manufacturer’s instructions). See Figure 41. 7. Remove oil drain plug and drain oil into an approved recyclable oil container.
  • Page 20 B. Removing Debris from Engine Before each use, remove the air cleaner cover. Discard grass clippings, dirt and debris from the following areas: • Levers and Linkage • Cooling Fins • Air Intake Screen • Air Inlet • Guards Removing debris will insure adequate cooling, correct engine speed and reduce the risk of fire.
  • Page 21 II. Servicing Paper Filters Paper filters cannot be cleaned and must be replaced once a year or every 100 operating hours; more often if used in extremely dusty conditions. Replacement filters are available at an Authorized Tecumseh Servicing Dealer. Follow the instructions next to the drawing of your air cleaner to remove and replace it.

  • Page 22: Transporting Your Engine

    VIII. Transporting Your Engine E. Carburetor If you think your carburetor needs adjusting, see your NEVER transport this engine inside WARNING nearest Authorized Tecumseh Servicing Dealer. Engine another vehicle or in any enclosed performance should NOT be affected at altitudes up to space if there is any gasoline in the tank.

  • Page 23: Storing Your Engine

    IX. Storing Your Engine III. Fuel System To avoid stale gas and carburetor problems, treat the fuel A. Short-Term/Seasonal Storage system in the following method below: Clean Engine NOTES Tecumseh recommends using ULTRA-FRESH™ or Fuel Before servicing the engine remove the air cleaner cover Saver Plus Gasoline Stabilizer plus Fuel System Cleaner as and/or blower housing.
  • Page 24 II. Oil Cylinder Bore When lubricating cylinder bore, fuel WARNING may spray from spark plug hole. To prevent serious injury from fuel fires, follow these instructions: 1. Carefully disconnect spark plug wire and keep it away from spark plug. See Figures 49 and 50. See “G. Avoid Accidental Starts”...

  • Page 25: Preventing Forest, Brush And Grass Fires

    X. Preventing Forest, Brush and Grass XI. Maintenance Intervals Fires Maintenance is one of the most important things that you Local, state and federal laws may require use of a spark can do to extend the life of your Tecumseh Engine. If you arrester to prevent fires.
  • Page 26 Before Each Use Scheduled Maintenance Every 25 Hours or 3 Months Scheduled Maintenance Every 5 Hours or Before Each Use 1. Clean Foam Filter 1. Check Oil Level Date_______________Owner/Dealer 2. Clean Cooling Fins Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer...
  • Page 27 Every 25 Hours or 3 Months Scheduled Maintenance Every 100 Hours or Seasonally 1. Change Oil 1. Replace Paper Filter 2. Replace Oil Filter Date_______________Owner/Dealer 3. Check Spark Plug Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer Date_______________Owner/Dealer...
  • Page 28 Page 26 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled 181-1216-14...
  • Page 29 NOTES 181-1216-14 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled Page 27...

  • Page 30: California & Us Epa Emission Control Warranty Statement

    CALIFORNIA & US EPA EMISSION CONTROL WARRANTY STATEMENT The U. S. Environmental Protection Agency (“EPA”), the You are responsible for presenting your small off-road engine to a California Air Resources Board (“CARB”) and Tecumseh Power Tecumseh Authorized Service Outlet (any Tecumseh Registered Company are pleased to explain the Federal and California Service Dealer, Tecumseh Authorized Service Distributor or Emission Control Systems Warranty on your new small off-road...

  • Page 31: Emission Control System Warranty

    EMISSION CONTROL SYSTEM WARRANTY Emission Control System Warranty (“ECS Warranty”) for 1995 5. The owner shall not be charged for diagnostic labor and later model year California small off-road engines (for other which leads to the determination that a part covered by states, 1997 and later model year engines): the ECS Warranty is in fact defective, provided that such diagnostic work is performed at a Tecumseh Authorized...

  • Page 32: Warranty Information

    XII. Warranty Information LIMITED WARRANTY FOR NEW TECUMSEH ENGINES AND ELECTRONIC IGNITION MODULES For the time period shown below from the date of purchase and subject to the exceptions and limitations described herein, Tecumseh Power Company will, at its option as the exclusive remedy, either repair or replace for the original purchaser, free of charge, any part of any new Tecumseh engine which is found, upon examination by any Authorized Tecumseh Servicing Outlet or by Tecumseh’s factory in Grafton, Wisconsin, to be DEFECTIVE IN MATERIAL AND/OR WORKMANSHIP.

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