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Tecumseh Products TVT691 Manual

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NOTES 181-1273-14 Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled Page 19

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

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181-1273-14

Four-Cycle Twin Cylinder Engine • Vertical Crankshaft • Air-Cooled

Page 19

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