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Tecumseh Products H30 Operator Manual - Page 7

Filling Oil Sump, Engine Stop Switch - carburetor

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B. Filling Oil Sump I. Oil Fill Cap With Dipstick 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 listed below. 1. Be sure engine is upright and level. 2. Unscrew oil fill cap from oil filler tube and wipe dipstick clean. See Figure 8. 3. Screw oil fill cap back into oil filler tube. Tighten securely. 4. Unscrew and remove oil fill cap from oil filler tube. Note oil level. If oil reading on dipstick is below "ADD" mark, slowly add oil to reach "FULL" level. See Figure 7. 5. Screw oil fill cap back into oil filler tube. Tighten securely. 6. Wipe away any spilled oil. II. Oil Fill Cap Without Dipstick (Oil Fill Plug) If your engine has an oil fill plug go to step 1. If your engine has an oil fill cap see "Oil Fill Cap With Dipstick" instructions listed above. 1. Be sure engine is upright and level. 2. Clean area around oil fill plugs. See Figure 9. 3. Unscrew oil fill plug. 4. Add oil to overflow point, making sure to avoid spilling. 5. Screw oil fill plug back into oil fill hole. Tighten securely. 6. Wipe away any spilled oil. C. Engine Stop Switch Some are equipped with an Engine Stop Switch. This rocker switch is used to shut off the ignition that supplies the spark plug with power. Pressing the switch to the "OFF" position will turn the engine off when it is running. This switch must be in the "ON" position or the engine will not start. See Figure 8. Formula Compact Models 8 7 9 3 2 1 10 Formula Standard Models 76 8 5 4 3 9 2 1 10 1. Oil Fill Plug 2. Carburetor 3. Air Cleaner 4. Muffler 5. Muffler Guard 6. Optional Extended Oil Fill Cap 7. Spark Plug Cap 8. Fuel Fill Cap 9. Optional On/Off Switch 10.Starter Cord Handle Figure 8. Engine Components 181-789-14 Four-Cycle Engine • Horizontal Crankshaft • Air-Cooled Page 5

Section	Page
4	7
5	7
3	7
1	16
4	16
2	16
3	16
1	16
2	16
B. Removing Debris from Engine	16
C. Spark Plug	16
1. Clean area around spark plug.	16
2. Remove and inspect spark plug.	16
3. Replace spark plug if porcelain is cracked or if electrodes are:	16
4. Check electrode gap with wire feeler gauge and set gap to .030 (0.76mm) if necessary. See Figure 34.	16
5. Install spark plug and tighten securely.	16
D. Cleaning/Replacing Air Cleaner	16
1. Levers and Linkage	16
2. Air Intake Screen	16
3. Muffler Guard	16
4. Cooling Fins	16
Figure 33. Debris Removal Areas	16
1. .030 (0.76 mm) Gap	16
2. Electrodes	16
3. Porcelain	16
Figure 34. Resistor Spark Plug	16
I. Servicing Foam Filters	17
1. Wash in warm water and detergent solution then press (DO NOT twist) until all dirt is removed.	17
2. Rinse thoroughly until water is clear.	17
3. Wrap in a clean cloth and press (DO NOT twist) until completely dry.	17
4. Replace foam pre-filter onto paper filter.	17
II. Servicing Paper Filters	17
1. Loosen cover screws. See Figure 35.	17
2. Turn cover counterclockwise and remove from base.	17
3. Remove optional foam filter (if present) from paper filter.	17
4. Remove paper/metal filter from base.	17
5. Clean inside of base and cover thoroughly.	17
6. Install new paper/metal element into base.	17
7. Install optional foam filter onto paper filter.	17
8. Turn cover clockwise and attach to base.	17
9. Install cover screws and tighten securely.	17
1. Turn cover to left (counterclockwise) and remove it and paper filter from flange. See Figure 36.	17
2. Discard filter.	17
3. Clean cover and flange thoroughly.	17
4. Install new paper filter into cover.	17
5. Position cover and filter against flange with tab on cover inserted into lower left corner of slot in flange.	17
6. Push cover firmly against flange and turn to right (clockwise) as far as it will go.	17
7. Be sure retainers are locked around flange.	17
E. Adjustments	17
1. Base	17
2. Cover Screws	17
3. Paper/Metal Filter	17
4. Optional Foam Filter	17
5. Cover	17
Figure 35. Air Cleaner Type “A” Assembly	17
1. Retainer	17
2. Slot	17
3. Flange	17
4. Paper Filler	17
5. Tab	17
6. Cover	17
Figure 36. Air Cleaner Type “B” Assembly	17
F. Carburetor	17
G. Engine Speed	17
VIII. Transporting Your Engine	18
1. Empty fuel tank by using a commercially available suction device designed for use with gasoline.	18
2. Drain fuel into an approved red GASOLINE container, being careful to avoid spilling.	18
3. Run the engine until remaining fuel is consumed.	18
IX. Storing Your Engine	18
A. Short Term/Seasonal Storage	18
I. Clean Engine	18
II. Fuel Storage	18
III. Fuel System	18
IV. Fuel Treatment	19
1. Add fuel stabilizer according to manufacturer’s instructions.	19
2. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor.	19
B. Extended Storage	19
I. Draining Fuel	19
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.	19
2. Run the engine while waiting until the remaining fuel is consumed.	19
3. Begin servicing the cylinder bore. See \	19
II. Oil Cylinder Bore	19
1. Disconnect spark plug wire and keep it away from spark plug. \	19
2. Remove spark plug.	19
3. Squirt 1oz. (30ml) of clean engine oil into spark plug hole.	19
4. Cover spark plug hole with rag to prevent fuel from spraying from spark plug hole when starter rope is pulled.	19
5. Grasp starter cord handle and pull out slowly using a full arm stroke. Repeat once. (This will distribute oil throughout the cylinder to prevent corrosion during storage.) Proceed to Step 8.	19
6. Push starter button or turn ignition switch key (see equipment manufacturer’s instructions) to cycle the engine for one to two seconds.	19
7. Turn ignition switch key to “OFF” position. Repeat Step 6. and Step 7. (This will distribute oil throughout the cylinder to prevent corrosion during storage.)	19
8. Remove rag covering spark plug hole and install spark plug.	19
9. Carefully disconnect spark plug wire from grounding post, if provided.	19
III. Oil	19
IV. Battery	19
X. Preventing Forest, Brush and Grass Fires	20
XI. Maintenance Intervals	20
Figure 37. Disconnecting/Connecting Spark Plug	20
Figure 38. Typical Spark Plug Connection	20
Table 5. Maintenance Intervals	20
1. Change Oil	20
1. Check Oil Level	21
2. Clean Cooling Fins	21
1. Change Oil	21
2. Clean Foam Pre-Filter	21
1. Replace Paper Element	21
2. Check Spark Plug	21
1. Replace Spark Plug	21
XII. Warranty Information	24
181-789-14 (English) 1/01/08	24