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VI. Stopping Your Engine and, Short-Term Storage, VII. Maintenance - spark plug

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VI. Stopping Your Engine and Short-Term Storage Stop engine according to equipment manufacturer's instructions. ! WARNING To avoid unsupervised operation of 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. ! WARNING Never store the engine with fuel in the fuel tank inside a building with potential sources of ignition such as hot water and space heaters, clothes dryers, electric motors, etc. VII. Maintenance ! WARNING An adult should perform maintenance on this engine. Only allow children to perform maintenance if an adult has determined they are experienced and capable of such operation. ! WARNING To prevent accidental starting when working on equipment always: • Disconnect spark plug wire and keep it away from spark plug. See "G. Avoid Accidental Starts" instructions on page 2. See Figures 28 and 29. • Keep the disconnected spark plug wire securely away from metal parts where arcing could occur. • Attach the spark plug wire to the grounding post, if provided. • Disconnect battery at negative terminal first, if engine is equipped with an electric starter. • Turn off all engine switches. • Remove ignition key, if provided. A. Checking and Changing Oil To avoid engine damage, it is important to: • Check oil level before each use and every 5 operating hours. See A. "Checking Oil Level" instructions on page 4. • Change oil after first 2 operating hours and every 25 operating hours thereafter; more often if operated in extremely dusty or dirty conditions. Engine should still be warm but not hot from recent use. 1. Be sure you find the correct drain plug location, if provided. See Figures 30, 31 and 32. 2. Disconnect spark plug wire and keep it away from spark plug. See "G. Avoid Accidental Starts" instructions on page 2. See Figures 28 and 29. Figure 28. Disconnecting/Connecting Spark Plug Figure 29. Typical Spark Plug Connection • Keep the disconnected spark plug wire securely away from metal parts where arcing could occur. • Attach the spark plug wire to the grounding post, if provided. Page 12 Four-Cycle Engine • Horizontal Crankshaft • Air-Cooled 181-789-14

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

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Page 12

Four-Cycle Engine • Horizontal Crankshaft • Air-Cooled

181-789-14

VI. Stopping Your Engine and

Short-Term Storage

Stop engine according to equipment manufacturer’s

instructions.

To avoid unsupervised operation of

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

the fuel tank inside a building with

potential sources of ignition such as hot water and space

heaters, clothes dryers, electric motors, etc.

VII. Maintenance

An adult should perform

maintenance on this engine.

Only allow children to perform maintenance if an adult has

determined they are experienced and capable of such

operation.

To prevent accidental starting when

working on equipment always:

•

Disconnect spark plug wire and keep it away from

spark plug. See “G. Avoid Accidental Starts”

instructions on page 2. See Figures 28 and 29.

•

Keep the disconnected spark plug wire

securely away from metal parts where arcing

could occur.

•

Attach the spark plug wire to the grounding

post, if provided.

•

Disconnect battery at negative terminal first, if

engine is equipped with an electric starter.

•

Turn off all engine switches.

•

Remove ignition key, if provided.

Checking and Changing Oil

To avoid engine damage, it is important to:

•

Check oil level before each use and every 5

operating hours. See A. “Checking Oil Level”

instructions on page 4.

•

Change oil after first 2 operating hours and every 25

operating hours thereafter; more often if operated in

extremely dusty or dirty conditions. Engine should

still be warm but not hot from recent use.

Be sure you find the correct drain plug location, if pro-

vided. See Figures 30, 31 and 32.

Disconnect spark plug wire and keep it away from

spark plug. See “G. Avoid Accidental Starts” instruc-

tions on page 2. See Figures 28 and 29.

•

Keep the disconnected spark plug wire securely

away from metal parts where arcing could occur.

•

Attach the spark plug wire to the grounding post, if

provided.

WARNING

Figure 28. Disconnecting/Connecting Spark Plug

Figure 29. Typical Spark Plug Connection