Tecumseh OV490EA Operator's Manual
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Tecumseh OV490EA Operator's Manual

Four-cycle engine, vertical crankshatt, air-cooled
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TECUMSEH
EngineOperator's Manual
OV490EA
Four-Cycle Engine • Vertical Crankshatt• Air-Cooled
IMPORTANT
NOTICE! Safety Definitions .........................................
ii
I.
General Safety Precautions
.............................................................
1
II.
How to Get Service ..........................................................................
3
Ill.
Oil and Fuel Specifications ...............................................................
4
IV.
Before Starting Your Engine .............................................................
4
V.
Starting Your Engine ........................................................................
6
VI.
Stopping Your Engine and Short-Term Storage .............................
10
VII.
Maintenance
..................................................................................
10
VIII.
Transporting Your Engine ...............................................................
13
IX.
Stodng Your Engine .......................................................................
13
X.
Preventing Forest, Brush and Grass Fires .....................................
15
Xl.
Maintenance
Intervals ....................................................................
16
California & US EPA Emission Control Warranty Statement .......... 20
Emission Control System Warranty ...............................................
21
Xll.
Warranty Information ......................................................................
22
181-887-14
(English) 02/01106

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Summary of Contents for Tecumseh OV490EA

  • Page 1: Table Of Contents

    TECUMSEH EngineOperator's Manual OV490EA Four-Cycle Engine • Vertical Crankshatt• Air-Cooled IMPORTANT NOTICE! Safety Definitions ......... General Safety Precautions ............. How to Get Service ................Ill. Oil and Fuel Specifications ............... Before Starting Your Engine ............. Starting Your Engine ................ Stopping Your Engine and Short-Term Storage ......

  • Page 2: Important Notice! Safety Definitions

    Equipment), are certified to operate on regular unleaded gasoline, and may include the following emission control systems: (EM) Engine Modification and (TH/C) Thrae-way Catalyst (if so equipped). Tecumseh Contact Information For engine adjustments, repairs or warranty service NOT covered in this manual, consult your local Authorized Tecumsah Servicing Dealer, call 1-800-558-5402, or go to www.TecumsahPower.com for additional information.

  • Page 3: General Safety Precautions

    Failure to store and dispense fuel. Tecumseh recommends do so can result in serious injury or death. Consult your local Authorized Tecumseh Servicing Dealer, call 1-800- purchasing gasoline in containerswith a capacity of 2.5 gallons or less. Small containersare easier to 558-5402, or go to www.TecumsehPower.com for...
  • Page 4 Power Sport line of engines for use in such applications. Consult your local Authorized Tecumseh Sewicing Dealer, call 1-800-558-5402, or go to www.TecumsehPower.com for additional information. Figure 1. Typical Flywheel Guard Location Avoid Burns and Fire from Hot Surfaces...

  • Page 5: How To Get Service

    II. How to Get Service 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. Engine Identification Decal A sample engine identification decal (See Figure 4.)

  • Page 6: Oil And Fuel Specifications

    The oil sump capacity (including oil filter) is 62 ounces or 3-7/8 U.S. Pints (1.83 liters). The oil sump capacity (without oil filter) is 55 ounces or 3-7/16 U.S. Pints (1.62 liters). Tecumseh spacial-formulaled oils are available at your Authorized Tecumseh Servicing Dealer. Table 2. Recommended Fuel Fuel...
  • Page 7 Filling Oil Sump Be sure engine is upright and level. Unscrew oil fill cap from oil filler tube and wipe dipstick clean. See Figure 7. Screw oil fill cap back into oil filler tube. ]3ghtan securely, Unscrew and remove oil figcap from oil filler tube. Note oil level.

  • Page 8: Starting Your Engine

    If you are unable to start this engine after following instructionsin this manual, contact your Authorized Tecumseh Servicing Dealer. To avoid serious bum injuries or damage to your engine, DO NOT attempt to start or troubleshoot this engine in any other way.
  • Page 9 CHOKE" position,move independent choke control to "FULL CHOKE" position and start engine. If engine does NOT start after followingsteps I thru 7, contact your Authorized Tecumseh Servicing Dealer, DO NOT attempt to start or troubleshootthis engine in any other way 181-887-14 Four-Cycle Engine * Vertical Crankshaft •...
  • Page 10 Momentanly move combined control back to again. "CHOKE" position. If engine does NOT start after followingsteps I thru 6, contact your Authorized Tecumseh Servicing Dealer. DO NOT attempt to start or troubleshootthis engine in any other way. Page 8 Four-Cycle Engine •...
  • Page 11 If engine does NOT start after following steps I thru 7, "1/2 CHOKE" position until engine runs smoothly. contact your Authorized Tecumseh Servicing Dealer. c. Finally, move independent choke controlto DO NOT attempt to start or troubleshoot this engine in "NO CHOKE "position.

  • Page 12: Stopping Your Engine And Short-Term Storage

    Changingtheoilfilterrequiresthat additional o ilbe addedtotill the tilter. Be sure the gas cap is on and is tightened securely. ContactyourAuthorized TecumsehServicingDealer for a Clean area around oil drain plug. See Figure 19. Tecumseh 011 Filter. Page 10 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled 181-887-14...
  • Page 13 Check electrode gap with wire feeler gauge and set gap to--.03O in. (0.76ram) if necessary. See Figure 23. Install spark plug and tighten securely. NOTE A resistorsparkplugmustbe usedforreplacement. Contact your Authorized Tecumseh Servicing Dealer for a Tecumseh Resistor Spark Plug. t..030 in. (0.76mm) Gap 2. Electrodes 3.
  • Page 14 ALWAYS inspect filter(s) for discoloration or dirt accumulation, ff either is present, see "1.Servicing Foam Pra-Filter" instructions and/or see "11. S ervicing Paper Filters" instructions on thispage. Contact your Authorized Tecumseh Servicing Dealer for a Tecumseh Air Cleaner. Servicing Foam Pre-Filter Clean foam pre-filter every 3 months or every 25 operating hours.

  • Page 15: Transporting Your Engine

    VIII. Transporting Your Engine IX. Storing Your Engine NEVER transport this engine inside A. Short TermlSeasonal Storage another vehicle or in any enclosed space if there is any gasoline in the tank. Fuel vapor or Clean Engine spilled fuel may ignite. Before servicingthe engine remove the air cleaner cover If there is fuel in the fuel tank, close and/or blower housing.
  • Page 16 Toavoid stalegasandcarburetor problems, treatthefuel Draining Fuel system inthefollowing m ethod below: NOTES NOTES Tecumseh recommends using ULTRA-FRE$1.f or Fuel Clean debds from engine before draining fuel from Saver Plus Gasoline Stabilizer plus Fuel System Cleaner as carburetor.See "1.Clean Engine" instructionson page 13.

  • Page 17: Preventing Forest, Brush And Grass Fires

    To determine if your engine has a spark arrester, locate the storage.) muffler on your engine. For example, the muffler discharge Install spark plug. will have a spark arrester cover that reads "Tecumseh Screen Type 36085". Carefully disconnect spark plug wire from grounding post, if provided.

  • Page 18: Maintenance Intervals

    Maintenance is one of the most _mportant things that you :_ _ Pi'ocedd_ =-:._ -'._: --,.'._-:-: '-"-'_'_:-_ . 'I_ i_:_,_ _ - _:--:. can do to extend the life of your Tecumseh Engine If you - ....are unable to perform maintenance intervals yourself, Change After First 2 hrs.
  • Page 19 BeforeEachUseScheduled Maintenance Every 25 Hours or 3 Months Scheduled Maintenance Every5 Hoursor BeforeEachUse 1. Clean Foam Pre-Filter 1. CheckOil Level Date Owner/Dealer 2. CleanCoolingFins 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...
  • Page 20 Every50Hoursor 3 MonthsScheduled 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...
  • Page 21 NOTES 181-887-14 Four-Cycle Engine. Vertical Crankshaft. Air-Cooled Page 19...

  • Page 22: California & Us Epa Emission Control Warranty Statement

    Tecomseh Power Company Warranty, the ECS Warranty shall noted. In other states, 1997 and later model year engines are also apply except in any circumstances in which the Tecumseh Power warranted for two years. If, dudng such warranty period, any Company Warranty may provide a longer warranty pedod.

  • Page 23: Emission Control System Warranty

    C, THE ECS WARRANTY ONLY PERTAINS TO EMISSION- Tecumseh Power Company shall not be liable hereunder RELATED PARTS ON YOUR ENGINE AS FOLLOWS: for failures of any warranted parts of a Tecumseh Power 1. Any warranted, emissions-ralated parts which are not Company engine caused...

  • Page 24: Xll. Warranty Information

    (ii) defects o_ damage caused by altora6ons or mod_cedons of new Tecumseh engines or parts or by normal wear, accidents, improper maintenance, improper use or abuse of the product, or failure to follow the instn_ctfons contained in an Inslmctfon Manual for the opamtJon of the new Tecumseh engine or part, The cost of normal...

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