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Tecumseh Products TVT691 Operator Manual

Tecumseh Products TVT691 Manual

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Tecumseh Products TVT691 | Operator Manual - Page 1
(TVT691/VTX691) 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 4 IV. Before Starting Your Engine 4 V. Starting Your Engine
Tecumseh Products TVT691 | Operator Manual - Page 2
and (TWC) Three-way Catalyst (if so equipped). TecumsehPower Contact Information For engine adjustments, repairs or warranty service NOT covered in this manual, contact your nearest Authorized TecumsehPower Servicing Dealer. Find them on our website at www.TecumsehPower.com or call TecumsehPower
Tecumseh Products TVT691 | Operator Manual - Page 3
death from fuel fires, follow these instructions: • NEVER store engine with fuel in fuel tank inside a building with potential sources of ignition such as hot water and space heaters, clothes dryers, electric motors, etc. • NEVER remove fuel fill cap or add fuel when engine is running. • NEVER start
Tecumseh Products TVT691 | Operator Manual - Page 4
from metal parts where arcing could occur. • Carefully attach the spark plug wire to the grounding post, if provided. • Disconnect battery at negative terminal first, if engine is equipped with a DC electric starter. • Turn all engine switches to "OFF" position. • Remove ignition key, if provided
Tecumseh Products TVT691 | Operator Manual - Page 5
II. How to Get Service For engine adjustments, repairs or warranty service NOT covered in this manual, contact your nearest Authorized TecumsehPower Servicing Dealer. Find them on our website at www.TecumsehPower.com or call TecumsehPower Company at 1-800-558-5402 for additional information. Visit
Tecumseh Products TVT691 | Operator Manual - Page 6
may cause internal engine damage. NOTE Damage and/or performance problems that occur from use of fuels other than those listed in the Operator's Manuals will not be considered warranty. Table 1. Recommended Oil TecumsehPower Recommended Oil Usage Straight Grade TecumsehPower Part No. 730225A or
Tecumseh Products TVT691 | Operator Manual - Page 7
any source of ignition until fuel vapors are gone. The Twin Cylinder Engines have two spark plug connections. 2 3 1 6 1. Oil Drain Plug 2. Oil Fill Cap/Dipstick 3. Air Intake Screen 4. Grounding Post 5. Spark Plug Cap 6. Spark Plug Wire 54 Figure 7. Engine with Oil Fill Cap/Dipstick 181
Tecumseh Products TVT691 | Operator Manual - Page 8
spray flammable vapors into carburetor or onto air cleaner. • DO NOT put flammable liquids into carburetor or onto air cleaner. • DO NOT operate engine or pull on starter rope with spark plug removed. Fuel can spray from spark plug hole and ignite. A. Combined Speed and Choke Control 1. To avoid
Tecumseh Products TVT691 | Operator Manual - Page 9
operate an electric starter for more than 5 seconds each attempt. If engine fails to start after 3 attempts repeat steps 2 thru 3. 4. When engine starts: a. Release starter button or ignition switch key. b. Move independent choke control to "1/2 CHOKE" position until engine runs smoothly. c. Next
Tecumseh Products TVT691 | Operator Manual - Page 10
away from metal parts where arcing could occur. • Carefully attach the spark plug wire to the grounding post, if provided. • Disconnect battery at negative terminal first, if engine is equipped with a DC electric starter. • Turn all engine switches to "OFF" position. • Remove ignition key, if
Tecumseh Products TVT691 | Operator Manual - Page 11
Servicing Dealer for a genuine replacement Oil Filter. B. Removing Debris from Engine Before each use, remove grass clippings, dirt and debris from the following areas: • Levers and Linkage • Cooling Fins • Air Intake Screen • Guards Removing debris will insure adequate cooling, correct engine
Tecumseh Products TVT691 | Operator Manual - Page 12
Resistor Spark Plug. D. Cleaning/Replacing Air Cleaner Your engine has an air cleaner which helps prevent premature engine wear and failure. NEVER run engine without complete air cleaner installed on engine. Your air cleaner periodically needs to be cleaned or replaced. NOTES ALWAYS inspect filter
Tecumseh Products TVT691 | Operator Manual - Page 13
setting of engine governor. Running the engine faster than the speed set at the factory can be dangerous and will VOID THE ENGINE WARRANTY. 2 3 4 3 2 5 To Fuel Tank 1. Fuel Pump 2. Hose 3. Hose Clamp 4. Fuel Filter 5. Fuel Flow Direction Arrow Figure 18. Replacing Fuel Filter G. Adjustments DO NOT
Tecumseh Products TVT691 | Operator Manual - Page 14
manufacturer's instructions. 2. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor. WARNING NEVER store engine with fuel in the fuel tank inside a building with potential sources of ignition such as hot water or space heaters, clothes dryers, electric motors
Tecumseh Products TVT691 | Operator Manual - Page 15
away from metal parts where arcing could occur. • Carefully attach the spark plug wires to the grounding posts, if provided. • Disconnect battery at negative terminal first, if engine is equipped with a DC electric starter. • Turn all engine switches to "OFF" position. • Remove ignition key, if
Tecumseh Products TVT691 | Operator Manual - Page 16
Every 50 Hours or 3 Months Replace Paper and Oil Filter Every 100 Hours or Seasonally Check Spark Plugs Every 100 Hours or Seasonally Replace Spark Plugs Every 200 Hours or Seasonally Scheduled Maintenance After First 2 Hours When Engine is Warm 1. Change Oil Date Owner/Dealer Page 14 Four
Tecumseh Products TVT691 | Operator Manual - Page 17
or Before Each Use 1. Check Oil Level 2. Clean Cooling Fins Date Dealer Date Owner/Dealer Every 25 Hours or 3 Months 1. Clean Foam Pre-Filter Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date -Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled Page 15
Tecumseh Products TVT691 | Operator Manual - Page 18
Owner/Dealer Date Owner/Dealer Every 100 Hours or Seasonally 1. Replace Paper Filter 2. Replace Oil Filter 3. Check Spark Plugs Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Page 16 Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled 181-1273-14
Tecumseh Products TVT691 | Operator Manual - Page 19
NOTES 181-1273-14 Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled Page 17
Tecumseh Products TVT691 | Operator Manual - Page 20
Page 18 Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled 181-1273-14
Tecumseh Products TVT691 | Operator Manual - Page 21
NOTES 181-1273-14 Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled Page 19
Tecumseh Products TVT691 | Operator Manual - Page 22
or workmanship, the part will be repaired or replaced by TecumsehPower Company. OWNER'S WARRANTY RESPONSIBILITIES As the small off-road engine owner, you are responsible for the performance of the required maintenance listed in your Operator's Manual, but TecumsehPower Company will not deny warranty
Tecumseh Products TVT691 | Operator Manual - Page 23
internal components: a) Carburetor gaskets b) Intake pipe 2. Air Cleaner Assembly including components: a) Air filter element 3. Ignition System including components: a) Spark plug b) Ignition module c) Flywheel assembly 4. Exhaust System including components: a) Catalytic muffler (if so equipped
Tecumseh Products TVT691 | Operator Manual - Page 24
, improper maintenance, improper use or abuse of the product, or failure to follow the instructions contained in an Instruction Manual for the operation of the new TecumsehPower engine or part. The cost of normal maintenance or replacement of service items which are not defective shall be paid for

Section	Page
1	10
3	10
2	10
4	10
5	10
VI. Stopping Your Engine and Short-Term Storage	10
VII. Maintenance	10
A. Changing Oil	10
1. Spark Plug	10
2. Spark Plug Wire	10
3. Spark Plug Cap	10
4. Grounding Post	10
5. Front Orientation of Engine	10
Figure 13. Spark Plug Locations	10
1. Be sure you find the correct drain plug location, if present (see equipment manufacturer’s instructions). See Figure 14 on page 9. Afterward, continue reading instructions below.	10
2. Carefully disconnect spark plug wires and keep them away from spark plugs. See \	10
3. Be sure the fuel fill cap is on and is tightened securely.	10
4. Clean area around oil drain plug. See Figure 14.	11
5. Place approved recyclable oil container under oil drain plug (see equipment manufacturer’s instructions).	11
6. Remove oil drain plug and drain oil into an approved recyclable oil container.	11
7. Install oil drain plug and tighten securely.	11
8. Fill with recommended oil. See \	11
9. Wipe away any spilled oil.	11
10. Carefully disconnect spark plug wires from grounding posts, if provided.	11
11. Connect spark plug wires to spark plugs before attempting to start engine. See Figure 13 on page 8. Afterward, continue reading instructions below.	11
B. Removing Debris from Engine	11
Figure 14. Oil Drain Plug Location	11
1. Oil Fill Cap	11
2. Oil Filter	11
Figure 15. Oil Fill Cap and Oil Filter Location	11
1. Remove air cleaner cover and filters. See Figure 17 on page 10.	11
2. Remove debris from air inlet, air cleaner cover and air intake screen.	11
3. Inspect filter(s) for discoloration or dirt accumulation. If either is present, see \	11
4. Replace air cleaner cover and filters.	11
C. Spark Plug	12
1. Clean area around spark plug.	12
2. Remove and inspect spark plug.	12
3. Replace spark plug if porcelain is cracked or if electrodes are:	12
4. Check electrode gap with wire feeler gauge and set gap to-.030 (0.76 mm) if necessary. See Figure 16.	12
5. Install spark plug and tighten securely.	12
D. Cleaning/Replacing Air Cleaner	12
I. Servicing Foam Pre-Filter	12
1. Wash in warm water and detergent solution then press (DO NOT twist) until all dirt is removed.	12
2. Rinse thoroughly until water is clear.	12
3. Wrap in a clean cloth and press (DO NOT twist) until completely dry.	12
4. Replace foam pre-filter onto paper filter.	12
1. .030 in. (0.76 mm) Gap	12
2. Electrodes	12
3. Porcelain	12
Figure 16. Resistor Spark Plug	12
1. Slots	12
2. Base	12
3. Studs	12
4. Paper Filter	12
5. Foam Pre-Filter	12
6. Wing Nuts	12
7. Tabs	12
8. Cover	12
Figure 17. Air Cleaner Components	12
II. Servicing Paper Filters	13
III. Filter Removal/Installation	13
1. Remove wing nuts from air cleaner cover. See Figure 17 on page 10. Afterward, continue reading instructions below.	13
2. Remove air cleaner cover while lifting upward then outward.	13
3. Remove and inspect filter(s) for discoloration or dirt accumulation. If either is present, see \	13
4. Clean inside of cover and body thoroughly.	13
5. Install paper filter (see equipment manufacturer’s instructions).	13
6. Install foam pre-filter (see equipment manufacturer’s instructions).	13
7. Install cover.	13
a. Push cover inward onto base.	13
b. Lock tabs into slots on base.	13
c. Push down onto cover.	13
8. Install wing nuts and tighten securely.	13
E. Carburetor	13
F. Engine Speed	13
1. Fuel Pump	13
2. Hose	13
3. Hose Clamp	13
4. Fuel Filter	13
5. Fuel Flow Direction Arrow	13
Figure 18. Replacing Fuel Filter	13
G. Adjustments	13
H. Fuel Filter Removal/Installation	13
1. Remove hose clamp on hose. See Figure 18.	13
2. Slide hose clamp away from filter; repeat for other clamp.	13
3. Remove hoses from fuel filter.	13
4. Place hoses on both ends of new fuel filter.	13
5. Slide hose clamp toward filter; repeat for other clamp.	13
6. Install hose clamp; repeat for other hose.	13
VIII. Transporting Your Engine	14
1. Empty fuel tank by using a commercially available suction device designed for use with gasoline.	14
2. Drain fuel into an approved red GASOLINE container, being careful to avoid spilling.	14
3. Run the engine until remaining fuel is consumed.	14
IX. Storing Your Engine	14
A. Short-Term/Seasonal Storage	14
I. Clean Engine	14
II. Fuel Storage	14
III. Fuel System	14
IV. Fuel Treatment	14
1. Add fuel stabilizer according to manufacturer’s instructions.	14
2. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor.	14
B. Extended Storage	15
I. Draining Fuel	15
1. To prevent serious injury from fuel fires, empty fuel tank by running engine until it stops from lack of fuel. DO NOT attempt to pour fuel from engine.	15
2. Run the engine while waiting until the remaining fuel is consumed.	15
3. Begin servicing the cylinder bore. See \	15
II. Oil Cylinder Bore	15
1. Carefully disconnect spark plug wires and keep them away from spark plugs. See Figures 19 and 20.	15
2. Remove spark plugs.	15
3. Squirt 1oz. (30 ml) of clean engine oil into spark plug holes.	15
4. Cover spark plug holes with rags to prevent fuel from spraying from spark plug holes when starter is engaged.	15
Figure 19. Disconnecting/Connecting Spark Plug	15
Figure 20. Typical Spark Plug Grounding Post	15
5. Push starter button or turn ignition switch key to “START” position. Immediately release starter button or turn ignition switch key to “OFF” position (this will distribute oil throughout the cylinders to prevent corrosion during storage).	15
6. Remove rags covering spark plug holes.	15
7. Install spark plugs.	15
8. Carefully disconnect spark plug wires from grounding posts, if provided.	15
9. Connect spark plug wires to spark plugs before attempting to start engine.	15
III. Oil	15
IV. Battery	15
X. Preventing Forest, Brush and Grass Fires	16
XI. Maintenance Intervals	16
Table 3. Maintenance Intervals	16
1. Change Oil	16
1. Check Oil Level	17
2. Clean Cooling Fins	17
1. Clean Foam Pre-Filter	17
1. Change Oil	18
1. Replace Paper Filter	18
2. Replace Oil Filter	18
3. Check Spark Plugs	18
1. Replace Spark Plugs	18
XII. Warranty Information	24
181-1273-14	24