[. . . ] 15 Fuel Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Carburetor Troubleshooting and Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Store gasoline only in approved containers, in well ventilated, unoccupied buildings, away from sparks or running, since spilled fuel could ignite if it comes in contact engine near spilled fuel. Gasoline/Ether blends General Recommendations 7 Operating Instructions Also read the operating instructions of the equipment this engine powers. Pre-Start Checklist Starting ON Fuel Shut-Off Valve ON Figure 5. "On" Position of Fuel Shut-Off Valve. "on" WARNING Engine exhaust gases contain poisonous carbon monoxide. Carbon monoxide is odorless, colorless, and can cause death if inhaled. Avoid inhaling exhaust fumes, and never run the FAST Throttle Control SLOW Cold Weather Starting Hints Figure 6. "Fast" Position of Throttle Control. Choke Lever ON Figure 7. "On" Position of Choke Lever. OFF 8 Stopping "ON" On/Off Switch STOP FAST ON STOP SLOW STOP (If Equipped) Figure 8. "OFF" "stop" On/Off Switch OFF Starter Handle Figure 9. Engine On/Off Switch. Fuel Shut-Off Valve Choke Lever OFF OFF Figure 13. 9 Operating Angle of Operation Carburetor Icing Cooling Air Intake WARNING Hot Parts can cause severe burns. Air Cleaner Cover Figure 14. "Cold Weather Operation" Position of Air Cleaner Cover. Engine components can get extremely hot from operation. To prevent severe burns, do not touch these areas while the engine the engine with heat shields or guards removed. Engine Speed Air Intake Air Cleaner Cover Figure 15. "Normal Operation" Position of Air Cleaner Cover. 10 Maintenance Instructions WARNING Maintenance Schedule Frequency Maintenance Required Check oil level. Fill fuel tank. Daily or Before Starting Engine Check air intake and cooling areas; clean as necessary. ¹ Check air cleaner and precleaner. Yearly or Every 50 Hours Clean or replace precleaner. Clean, set gap or replace spark plug, and set gap. Yearly or Every 100 Hours Yearly or Every 200 Hours Replace air cleaner element. Check and adjust valve clearance when engine is cold. 2 Service starter motor drive, if so equipped. 2 Have combustion chamber decarbonized. 2 Yearly or Every 200 Hours ¹Perform these maintenance procedures more frequently under extremely dusty, dirty conditions. ²Have a Kohler Engine Service Center perform this service. Check Oil Level Dipstick Oil Fill Plug Oil Drain Plug Oil Drain Plug Figure 16. Location of Dipstick and Oil Fill Plug. 11 Do not Dipstick Engine Oil Oil Fill Plug Figure 17. Upper Oil Level Dipstick Oil Fill Neck (Bottom Edge) Low Oil Level Engine Oil Figure 18. [. . . ] Pick-up Tube and Screen Orientation. 16 Screen Screen WARNING Hot Parts can cause severe burns. Screw Clean Air Intake/Cooling Areas at all times. 17 Carburetor Troubleshooting and Adjustments Screw Figure 33. High Speed Screw. Troubleshooting 18 Troubleshooting Possible Cause Problem Will Not Start Hard Starting Stops Suddenly Lacks Power Operates Erratically Knocks or Pings No Fuel Improper Fuel Dirt In Fuel Line Dirty Grass Screen Incorrect Oil Level Engine Overloaded Dirty Air Cleaner Faulty Spark Plug Overheats High Fuel Consumption Storage Transport OFF 19 Major Repair Parts Ordering Model: Bore: Stroke: Displacement: *Gross Power (@ 3600 RPM): *Net Power (@ 3600 RPM): Peak Torque @ RPM: Compression Ratio: Weight (Recoil Start): Oil Capacity: Fuel Tank Capacity: kg (lbs. ) L (U. S. lb. ) CH270 70 (2. 8) 54 (2. 1) 208 (12. 7) 5. 2 (7) 4. 4 (6) 12. 3 (9. 1) @ 2800 8. 5:1 17. 5 (38. 7) 0. 6 (0. 63) 4. 1 (4. 3) CH395 78 (3. 1) 58 (2. 3) 277 (16. 9) 7. 1 (9. 5) 6. 4 (8. 5) 17. 8 (13. 1) @ 2600 8. 2:1 27. 8 (61. 5) 1. 1** (1. 16)** 7. 3 (7. 7) EM for U. S. EPA and Europe CH440 89 (3. 5) 69 (2. 7) 429 (24. 7) 10. 5* (14)* 8. 9* (11. 9)* 25. 1** (18. 5)** @ 2600 8:1 34. 7** (76. 5)** Exhaust Emission Control System: 20 LIMITED 3 YEAR CH270, CH395, CH440 COMMAND PRO ENGINE WARRANTY 21 KOHLER CO. [. . . ]