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8

Maintenance Instructions

Maintenance, repair, or replacement of the emission control devices and systems, which are being done at

the customers expense, may be performed by any non-road engine repair establishment or individual.

Warranty repairs must be performed by an authorized Kohler service outlet.

WARNING: Accidental Starts!

Disabling engine. Accidental starting can cause severe injury or death.

 Before working on the engine or

equipment, disable the engine as follows: 1) Disconnect the spark plug lead(s). 2) Disconnect negative (-) battery

cable from battery.

Maintenance Schedule

These required maintenance procedures should be performed at the frequency stated in the table. They should

also be included as part of any seasonal tune-up.

Maintenance Required

Frequency

• Fill fuel tank.

• Check oil level.

• Check coolant level.

• Check air cleaner for dirty

1

, loose, or damaged parts.

• Check air intake screen, radiator, and cooling areas, clean as necessary

1

.

• Service precleaner element

1

.

• Replace air cleaner element

1

.

• Clean and check cooling areas

1

.

• Replace fuel filter.

Every 25 Hours

Daily or Before

Starting Engine

Every 100 Hours

Annually or

Every 200 Hours

• Change oil and oil filter (more frequently under severe conditions).

• Check spark plug condition and gap.
• Have solenoid shift starter disassembled and cleaned

2

.

• Replace spark plugs.

Annually or

Every 500 Hours

1

Perform these maintenance procedures more frequently under extremely dusty, dirty conditions.

2

Have a Kohler Engine Service Dealer perform these services.

Every 2 Years or

Every 1000 Hours

Check Oil Level

The importance of checking and maintaining the proper

oil level in the crankcase cannot be overemphasized.

Check oil 

BEFORE EACH USE

 as follows:

1. Make sure the engine is stopped, level, and is

cool so the oil has had time to drain into the sump.

2. To keep dirt, debris, etc., out of the engine, clean

the area around the dipstick before removing it.

3. Unthread and remove the dipstick; wipe oil off.

Reinsert the dipstick into the tube and rest the oil

fill cap on the tube. Do not thread the cap onto the

tube. See Figure 5.

Figure 5. Checking Oil Level.

4. Pull the dipstick out and check the oil level.

The oil level should be up to, but not over, the

“FULL” mark on the dipstick. See Figure 6.

• Change engine coolant.

Summary of Contents for Aegis 20 HP

Page 1: ...KOHLER AEGIS 20 23 HP LIQUID COOLED VERTICAL CRANKSHAFT OWNER S MANUAL...

Page 2: ...njury to yourself and others To insure safe operations please read the following statements and understand their meaning Also refer to your equipment owner s manual for other important safety informat...

Page 3: ...d ground spark plug leads before servicing WARNING Electrical Shock Never touch electrical wires or components while the engine is running They can be sources of electrical shock CAUTION Electrical Sh...

Page 4: ...t is recommended Such a container is easier to handle and helps eliminate spillage during refueling Do not use gasoline left over from the previous season to minimize gum deposits in your fuel system...

Page 5: ...n engine always give the Model Specification and Serial Numbers of the engine The engine identification numbers appear on a decal affixed to the engine blower housing Include letter suffixes if there...

Page 6: ...he throttle control midway between the slow and fast positions Place the choke control into the on position 2 Start the engine by activating the key switch Release the switch as soon as the engine sta...

Page 7: ...Area page 14 High Temperature Sensor Some engines are equipped with a high temperature sensor mounted in the cooling system If the safe operating temperature is exceeded it will either shut off the en...

Page 8: ...as1 Replace fuel filter Every 25 Hours Daily or Before Starting Engine Every 100 Hours Annually or Every 200 Hours Change oil and oil filter more frequently under severe conditions Check spark plug co...

Page 9: ...e oil Change the oil and oil filter as follows see Figure 7 1 To keep dirt debris etc out of the engine clean the area around the oil fill cap dipstick before removing it 2 Remove one of the oil drain...

Page 10: ...the coolant level in the overflow reservoir and clean away any debris accumulation daily or before each use At the same time inspect the hoses and all connections for signs of leakage Servicing Engin...

Page 11: ...of all the old coolant properly according to local regulations Figure 14 Tipping Bracket Away after Removing Reservoir Cap Loosen Screws Figure 15 Removing Reservoir Figure 11 Removing Radiator Cap 4...

Page 12: ...ant Recommendations Section refer to the anti freeze manufacturers instructions on the container but do not exceed 70 anti freeze 3 Fill the radiator with the coolant mixture Allow coolant to drain in...

Page 13: ...ulation If required the screen assembly may also be separated from the upper blower housing by unsnapping it from the underside See Figures 18 19 and 20 Check all parts for wear cracks or damage Repla...

Page 14: ...e with a blocked air intake screen dirty or plugged radiator cooling fins and or cooling shrouds removed will cause engine damage due to overheating 3 Unhook the element retaining strap and remove the...

Page 15: ...ld remain in the spark plug and enter the engine causing extensive wear and damage 3 Check the gap using a wire feeler gauge Adjust the gap to 0 76 mm 0 030 in by carefully bending the ground electrod...

Page 16: ...n at half throttle for 5 to 10 minutes to warm up The engine must be warm before making final settings Low idle speed RPM setting 1 Place the throttle control into the idle or slow position Set the lo...

Page 17: ...uel system must be completely emptied or the gasoline must be treated with a stabilizer to prevent deterioration If you choose to use a stabilizer follow the manufacturers recommendations and add the...

Page 18: ...n residential are warranted for one 1 year from date of purchase except catalytic mufflers which are warranted for two 2 years This warranty does not apply to defects caused by casualty or unreasonabl...

Page 19: ...or warranty repairs the engine must be presented to a Kohler Co service center as soon as a problem exists Call 1 800 544 2444 or access our web site at www kohlerengines com for the names of the near...

Page 20: ...maintenance of the engine Kohler Co recommends that all receipts and records covering the performance of regular maintenance be retained in case questions arise If the engine is resold during the warr...

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