Tecumseh tvt691 Operator's Manual
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Tecumseh tvt691 Operator's Manual

Four-cycle twin cilynder engine
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TVT 691
Operator's Manual
Four-Cycle Twin Cylinder 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.............................................................. 3
IV. Before Starting Your Engine............................................................ 4
V. Starting Your Engine ....................................................................... 6
VI. Stopping Your Engine and Short-Term Storage .............................. 8
VII. Maintenance ................................................................................... 8
VIII. Transporting Your Engine............................................................... 12
IX. Seasonal Storage.......................................................................... 12
X. Prevent Forest, Brush and Grass Fires ........................................ 13
XI. Maintenance Intervals ................................................................... 14
Emission Control System Warranty ............................................. 17
XII. Warranty Information .................................................................... 18
181-1203-14
(English) 03/15/03

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Questions and answers

Darron
May 26, 2025

What is the thread size of the crank shaft for the pto on a 22 horse power commercial engine

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1 comments:
Mr. Anderson
May 26, 2025

The thread size of the crankshaft for the PTO on a Tecumseh TVT691 engine is 3/8-24.

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Summary of Contents for Tecumseh tvt691

  • Page 1: Table Of Contents

    TVT 691 Operator’s Manual Four-Cycle Twin Cylinder 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.............. 3 IV.
  • Page 2 Catalyst (if so equipped). Tecumseh Contact Information For engine adjustments, repairs or warranty service not covered in this manual, contact your nearest Authorized Tecumseh Servicing Dealer. Find them on our website at www.TecumsehPower.com or call Tecumseh Products Company at 1-800-558-5402. Page ii Four-Cycle Twin Cylinder Engine •...

  • Page 3: General Safety Precautions

    1-800-558-5402 or • Use only an approved red GASOLINE container to visit www.TecumsehPower.com if you have any store and dispense fuel. Tecumseh recommends questions. purchasing gasoline in containers with a capacity of 2.5 gallons or less. Small containers are easier to handle and help eliminate spillage during refueling.
  • Page 4 NEVER tamper with factory setting of engine governor. WARNING Use of this engine on fun-carts, go-karts, or mini-bikes can result in serious injury or death. Tecumseh manufactures the Power Sport line of engines for use in such applications. Consult your local Authorized Tecumseh Servicing Dealer, call 1-800-558-5402, or go to www.TecumsehPower.com for additional information.

  • Page 5: How To Get Service

    Authorized Tecumseh Servicing Dealer. For engine adjustments, repairs or warranty service not covered in this manual, contact your nearest Authorized Tecumseh Servicing Dealer. Find them on our website at www.TecumsehPower.com or call Tecumseh Products Company at 1-800-558-5402. A. Engine Identification Decal A sample engine identification decal (See Figure 4..)

  • Page 6: Before Starting Your Engine

    Do not allow oil level to fall below the “ADD” mark on dipstick. Doing so may result in equipment malfunction or damage. Contact your Authorized Tecumseh Servicing Dealer for Tecumseh Oil. Page 4 Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled...
  • Page 7 B. Filling Oil Sump If your engine has an oil fill cap go to step 1. If your engine has an oil fill plug see “Oil Fill Cap Without Dipstick” instructions on the next page. 1. Be sure engine is upright and level. 2.

  • Page 8: Starting Your Engine

    If you are unable to start this engine WARNING after following instructions in this manual, contact your Authorized Tecumseh Servicing Dealer. To avoid serious burn injuries or damage to your engine, DO NOT attempt to start or troubleshoot this engine in any other way.
  • Page 9 CHOKE” position, move choke control to “FULL CHOKE” position and start engine. 8. If engine does not start after following steps 1 thru 7, contact your Authorized Tecumseh Servicing Dealer. DO NOT attempt to start or troubleshoot this engine in any other way.

  • Page 10: 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. Never store the engine with fuel in WARNING the fuel tank inside a building with...
  • Page 11 Changing the oil filter requires that additional oil be added to fill the filter. Contact your Authorized Tecumseh Servicing Dealer for a Tecumseh Oil Filter. B. Removing Debris from Engine Before each use, remove grass clippings, dirt and debris from the following areas: 1.
  • Page 12 Your air cleaner periodically needs to be cleaned or replaced. NOTE 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 13 NOTE Install wing nuts and tighten securely. E. Carburetor If you think your carburetor needs adjusting, see your nearest Authorized Tecumseh Servicing Dealer. Engine To Fuel Tank performance should not be affected at altitudes up to 7,000 1. Fuel Pump feet (2,134 meters).

  • Page 14: Transporting Your Engine

    VIII. Transporting Your Engine NOTES Tecumseh recommends using ULTRA-FRESH™ or Fuel NEVER transport this engine inside Saver Plus Gasoline Stabilizer plus Fuel System Cleaner as WARNING another vehicle or in any enclosed acceptable methods of minimizing formation of fuel gum space if there is any gasoline in the tank.

  • Page 15: Prevent Forest, Brush And Grass Fires

    B. Oil Change oil if not changed within the last 3 months. "A. Checking and Changing Oil" instructions on page 8. C. Lubricating Cylinder Bores When lubricating cylinder bores, fuel WARNING may spray from spark plug holes. To prevent serious injury from fuel fires, follow these instructions: 1.

  • Page 16: Maintenance Intervals

    Every 5 Hours or Before Each Use Maintenance is one of the most important things that you 1. Check Oil Level can do to extend the life of your Tecumseh Engine. If you 2. Clean Cooling Fins are unable to perform maintenance intervals yourself,...
  • Page 17 Every 25 Hours or 3 Months Scheduled Maintenance Every 100 Hours or Seasonally 1. Clean Foam Pre-Filter 1. Replace Paper Element 2. Replace Oil Filter Date_______________Owner/Dealer 3. Check Spark Plug(s) 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 18: California & Us Epa Emission Control Warranty Statement

    Emission Control System Warranty (“ECS Warranty”) diagnosis, parts and labor. which is provided to you by Tecumseh Products Co. pursuant to California law. Tecumseh Products Co. also provides to original MANUFACTURER’S EMISSION CONTROL purchasers of new Tecumseh Products Co.

  • Page 19: Emission Control System Warranty

    California small off-road engines (for other related part under this ECS Warranty shall be performed states, 1997 and later model year engines): at no charge to the owner at a Tecumseh Authorized Service Outlet. A. APPLICABILITY: This warranty shall apply to 1995 and later model year California small off-road engines (for other 5.

  • Page 20: Warranty Information

    For the time period shown below from the date of purchase and subject to the exceptions and limitations described herein, Tecumseh Products 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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