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OWNER'S MANUAL
Command PRO
HORIZONTAL CRANKSHAFT
CH270
CH395
CH440
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Congratulations California Proposition 65 Warning Engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. 2
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Table of Contents Congratulations.................................................2 Ignition System................................................15 Safety Precautions .........................................3-5 Check Spark Plug............................................15 Symbols Associated with This Product .......... 5 Fuel Tank Filter ................................................15 Control and Service Point Locations............... 6 Fuel Valve..........................................
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Safety Precautions (Continued) WARNING WARNING WARNING Hot Parts can cause severe burns. severe burns. Hot Parts! Explosive Fuel! Engine components can get extremely hot Lethal Exhaust Gases! from operation. To prevent severe burns, its vapors can explode if ignited. Store Engine exhaust gases contain poisonous do not touch these areas while the engine gasoline only in approved containers, in carbon monoxide. Carbon monoxide is well ventilated, unoccupied buildings, odorles
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Safety Precautions (Continued) WARNING CAUTION WARNING Rotating Parts can cause severe injury. Electrical Shock! Rotating Parts! Accidental Starts! Never touch electrical wires or Keep hands, feet, hair, and clothing away components while the engine is running. from all moving parts to prevent injury. can cause severe injury or death. Before They can be sources of electrical shock. Never operate the engine with covers, working on the engine or equipment, shrouds, or guards r
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Fuel Tank Cap Shield Air Cleaner Spark Plug Fuel Tank Throttle Choke Lever Lever Fuel On/Off Switch Shut-Off (If Equipped) Oil Fill Plug Starter Handle Dipstick Retractable Oil Drain Starter Plug Serial and Oil Drain Data Label Plug Figure 1. Control and Service Point Locations. IMPORTANT ENGINE INFORMATION THIS ENGINE MEETS U.S. EPA PH2, EC STAGE II (SN:X) AND CA 2008 AND LATER EXH/EVP EMISSION REGS FOR SI SORE. EVP CODE:XX FAMILY TYPE APP DISPL. (CC) SPEC. NO. SERIAL NO. BUILD
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Oil Recommendations Oil Type Fuel Tank Filler Filter Neck Maximum Filler Fuel Level RECOMMENDED SAE VISCOSITY GRADES Neck Kohler 10W-30 10W-30 SAE 30 5W-20, 5W-30 Fuel Tank °F -20 0 20 32 40 50 60 80 100 °C -30 -20 -10 0 10 20 30 40 TEMPERATURE RANGE EXPECTED BEFORE NEXT OIL CHANGE Figure 4. Maximum Fuel Level. Figure 3. Oil Viscosity Grades Table. Fuel Type Fuel Recommendations WARNING Gasoline/Alcohol blends if ignited. Store gasoline only in ap
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Starting Operating Instructions ON Also read the operating instructions of the equipment this engine powers. Fuel Pre-Start Checklist Shut-Off Valve ON Figure 5. "On" Position of Fuel Shut-Off Valve. "on" WARNING SLOW FAST Engine exhaust gases contain poisonous carbon monoxide. Carbon monoxide is odorless, colorless, and can cause death Throttle if inhaled. Avoid inhaling exhaust fumes, and never run the Contro
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Stopping "ON" On/Off Switch STOP SLOW STOP FAST (If Equipped) ON STOP Throttle Figure 8. Engine On/Off Switch. Control Figure 11. "Slow" Position of Throttle Control. "OFF" "stop" On/Off Switch OFF Starter Handle Figure 9. Operating the Retractable Starter. Figure 12. Engine On/Off Switch. "OFF" Fuel Shut-Off Valve Choke Lever OFF OFF Figure 13. "Off" Position of Fuel Shut-Off Valve. Figure 10. "Off" Position of Choke Le
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Carburetor Icing Operating Angle of Operation Air Intake Cooling WARNING Air Cleaner Hot Parts can cause severe burns. Cover Figure 14. "Cold Weather Operation" Position of Air Engine components can get extremely hot from operation. To Cleaner Cover. prevent severe burns, do not touch these areas while the engine the engine with heat shields or guards removed. Engine Speed Air Air Cleaner Intake Cover Figure 15. "Nor
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Maintenance Instructions WARNING Maintenance Schedule Frequency Maintenance Required Check oil level. Fill fuel tank. Daily or Check air intake and cooling areas; clean as necessary.¹ Before Starting Engine Check air cleaner and precleaner. Yearly or Every 50 Hours Clean or replace precleaner. Change oil. Clean cooling areas. Yearly or Every 100 Hours Clean, set gap or replace spark plug, and set gap. Replace air cleaner element. Yearly or Every 200 Hours 2 Check an
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Do not Dipstick Engine Oil Oil Fill Plug Figure 17. Location of Dipstick and Oil Fill Plug. Upper Oil Level Dipstick Oil Fill Neck (Bottom Edge) Engine Oil Low Oil Level Figure 18. Dipstick Oil Level Check. Change Oil Oil Fill Plug Upper Oil Level Oil Fill Neck use (Bottom Edge) Engine Oil Figure 19. Oil Fill Plug Oil Level Check. Dipstick Oil Fill Engine Oil Plug Oil Drain Oil Drain Plug Plug
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Oil Sentry™ Precleaner (If Equipped) Service Precleaner and Air Cleaner Element Paper Element Air Cleaner Base engine. Service Precleaner (If Equipped) Figure 22. Air Cleaner Element and Precleaner. Air Cleaner Cover Bail Bail Tabs Latch Latch Figure 23. Air Cleaner Cover Removal. 13
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Bail Bail Tabs Latch Latch Service Paper Element Figure 24. Air Cleaner Cover Installation. Do not Air Air Cleaner Intake Cover Figure 25. "Normal Operation" Position of Air Cleaner Cover. Air Intake Air Cleaner Cover Figure 26. "Cold Weather Operation" Position of Air Cleaner Cover. 14
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Ignition System Wire Gauge Spark Plug Check Spark Plug ® Ground 0.76 mm Electrode (0.030 in.) Gap Figure 27. Servicing Spark Plug. Fuel Tank Cap (Non Evap Shown) Fuel Tank Fuel Tank Filter Filter Fuel Tank Filler Neck WARNING Figure 28. Fuel Tank Filter. . 15
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Fuel Valve Fuel Valve Screw Nuts Cover WARNING Screw Figure 29. Carburetor Cover Panel. Fuel Valve "OFF" Screen O-ring Fuel Valve Cup Figure 30. Fuel Valve Cup, O-ring, and Screen. ON Pick-up Tube Screen O-ring Fuel Valve Cup Figure 31. Pick-up Tube and Screen Orientation. 16
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Screen Screen WARNING Hot Parts can cause severe burns. Screw Clean Air Intake/Cooling Areas at all times. 17
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Carburetor Troubleshooting and Adjustments Screw Figure 33. High Speed Screw. Troubleshooting 18
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Troubleshooting Possible Cause No Improper Dirt In Dirty Incorrect Engine Dirty Air Faulty Problem Fuel Fuel Fuel Line Grass Screen Oil Level Overloaded Cleaner Spark Plug Will Not Start Hard Starting Stops Suddenly Lacks Power Operates Erratically Knocks or Pings Overheats High Fuel Consumption Storage Transport OFF 19
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Major Repair Parts Ordering Model: CH270 CH395 CH440 mm 70 78 89 Bore: (in.) (2.8) (3.1) (3.5) mm 54 58 69 Stroke: (in.) (2.1) (2.3) (2.7) 3 208 277 429 cm Displacement: 3 (12.7) (16.9) (24.7) (in. ) kW 5.2 7.1 10.5* *Gross Power (@ 3600 RPM): (HP) (7) (9.5) (14)* kW 4.4 6.4 8.9* *Net Power (@ 3600 RPM): (HP) (6) (8.5) (11.9)* 25.1** (18.5)** Peak Torque @ RPM: N·m (ft. lb.) 12.3 (9.1) @ 2800 17.8 (13.1) @ 2600 @2600 Compression Ratio: 8.5:1 8.2:1 8:1 kg 17
