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SERVICE MANUAL
COMMAND CV17-750
VERTICAL CRANKSHAFT
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Contents 1 Section 1. Safety and General Information ............................................................................ 2 Section 2. Tools & Aids .......................................................................................................... 3 Section 3. Troubleshooting ..................................................................................................... 4 Section 4. Air Cleaner and Air Intake System ...........................................................
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Section 1 Safety and General Information 1 Section 1 Safety and General Information Safety Precautions To ensure safe operation please read the following statements and understand their meaning. Also refer to your equipment manufacturer's manual for other important safety information. This manual contains safety precautions which are explained below. Please read carefully. WARNING Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or substantial pr
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Section 1 Safety and General Information WARNING WARNING WARNING Explosive Gas can cause fires and Explosive Fuel can cause fires Carbon Monoxide can cause severe severe acid burns. nausea, fainting or death. and severe burns. Charge battery only in a well Avoid inhaling exhaust fumes, and ventilated area. Keep sources of Do not fill the fuel tank while the never run the engine in a closed ignition away. engine is hot or running. building or confined area. Explosive Gas! Explosive Fuel! Batterie
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Section 1 Safety and General Information Engine Identification Numbers When ordering parts, or in any communication 1 involving an engine, always give the Model, Specification and Serial Numbers, including letter suffixes if there are any. Identification Decal The engine identification numbers appear on a decal, or decals, affixed to the engine shrouding. See Figure 1-1. An explanation of these numbers is shown in Figure 1-2. Figure 1-1. Engine Identification Decal Location. A. Model No. C V 18
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Section 1 Safety and General Information Refer to Section 6 - “Lubrication System” for detailed Oil Recommendations procedures on checking the oil, changing the oil and Using the proper type and weight of oil in the changing the oil filter. crankcase is extremely important. So is checking oil daily and changing oil regularly. Failure to use the Fuel Recommendations correct oil, or using dirty oil, causes premature engine wear and failure. WARNING: Explosive Fuel! Oil Type Gasoline is extremely f
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Section 1 Safety and General Information Periodic Maintenance Instructions 1 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
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Section 1 Safety and General Information Dimensions in millimeters. Inch equivalents shown in [ ]. Figure 1-4. Typical Engine Dimensions CV Series with Standard Flat Air Cleaner. 1.6
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Section 1 Safety and General Information Dimensions in millimeters. Inch equivalents shown in [ ]. 1 Figure 1-5. Typical Engine Dimensions CV Series with Commercial Mower Air Cleaner. 1.7
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Section 1 Safety and General Information Dimensions in millimeters. Inch equivalents shown in [ ]. Figure 1-6. Typical Engine Dimensions CV EFI Series with Heavy-Duty Air Cleaner. 1.8
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Section 1 Safety and General Information 1 General Specifications Power (@3600 RPM, exceeds Society of Automotive Engineers-Small Engine Test Code J1940.) 1 CV17 ........................................................................................................................................... 12.7 kW (17 HP) CV18 ........................................................................................................................................... 13.4 kW (18 HP) CV20 ................
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Section 1 Safety and General Information 1 General Specifications cont. Oil Capacity (w/filter) - approximate, determined by oil filter and oil cooler used:........................................................ 1.6-1.8 L (1.7-1.9 U.S. qt.) Angle of Operation - Maximum (At Full Oil Level) All Directions .................. 25° Blower Housing and Sheet Metal M5 Fasteners Torque ................................................................................................ 6.2 N·m (55 in. lb.) in
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Section 1 Safety and General Information Crankcase Governor Cross Shaft Bore I.D. 6 mm Shaft 1 New..............................................................................................................6.025/6.050 mm (0.2372/0.2382 in.) Max. Wear Limit ........................................................................................6.063 mm (0.2387 in.) 8 mm Shaft New..............................................................................................................8.025/8
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Section 1 Safety and General Information Cylinder Bore Cylinder Bore I.D. New - CV17 ............................................................................................. 73.006/73.031 mm (2.8742/2.8752 in.) New - CV18,CV20,CV22 (624 cc) ......................................................... 77.000/77.025 mm (3.0315/3.0325 in.) New - CV22/23 (674 cc) ......................................................................... 80.000/80.025 mm (3.1496/3.1506 in.) New - CV25,CV26,CV730-750
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Section 1 Safety and General Information Ignition ® Spark Plug Type (Champion or Equivalent) ............................................. RC12YC, XC12YC, or Platinum 3071 1 Spark Plug Gap ............................................................................................... 0.76 mm (0.030 in.) Spark Plug Torque .......................................................................................... 24.4-29.8 N·m (18-22 ft. lb.) Ignition Module Air Gap ................................
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Section 1 Safety and General Information Piston, Piston Rings, and Piston Pin cont. Top and Middle Compression Ring End Gap New Bore - CV17 Top Ring ...............................................................................................0.180/0.380 mm (0.0071/0.0150 in.) Middle Ring .........................................................................................0.180/0.440 mm (0.0071/0.0173 in.) New Bore - CV18,CV20,CV22 (624 cc) .................................................
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Section 1 Safety and General Information Stator Mounting Screw Torque ................................................................................ 6.2 N·m (55 in. lb.) 1 Valve Cover Valve Cover Fastener Torque Gasket Style Cover .................................................................................. 3.4 N·m (30 in. lb.) Black O-Ring Style Cover w/Shoulder Screws ............................................................................ 5.6 N·m (50 in. lb.) w/Flange Screws and Sp
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Section 1 Safety and General Information General Torque Values Metric Fastener Torque Recommendations for Standard Applications Tightening Torque: N·m (in. lb.) + or - 10% Property Class Noncritical Fasteners Into Aluminum 5.8 4.8 8.8 10.9 12.9 Size M4 1.2 (11) 1.7 (15) 2.9 (26) 4.1 (36) 5.0 (44) 2.0 (18) M5 2.5 (22) 3.2 (28) 5.8 (51) 8.1 (72) 9.7 (86) 4.0 (35) M6 4.3 (38) 5.7 (50) 9.9 (88) 14.0 (124) 16.5 (146) 6.8 (60) M8 10.5 (93) 13.6 (120) 24.4 (216) 33.9 (300) 40.7 (360) 17.0 (150) Tighten
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Section 1 Safety and General Information English Fastener Torque Recommendations for Standard Applications 1 Tightening Torque: N·m (in. lb.) + or - 20% Bolts, Screws, Nuts and Fasteners Grade 2 or 5 Assembled Into Cast Iron or Steel Fasteners Into Aluminum Grade 2 Grade 5 Grade 8 Size 8-32 2.3 (20) 2.8 (25) --------- 2.3 (20) 10-24 3.6 (32) 4.5 (40) --------- 3.6 (32) 10-32 3.6 (32) 4.5 (40) --------- --------- 1/4-20 7.9 (70) 13.0 (115) 18.7 (165) 7.9 (70) 1/4-28 9.6 (85) 15.8 (140) 22.6 (200)
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Section 2 Tools & Aids Section 2 2 Tools & Aids Certain quality tools are designed to help you perform specific disassembly, repair, and reassembly procedures. By using tools designed for the job, you can properly service engines easier, faster, and safer! In addition, you’ll increase your service capabilities and customer satisfaction by decreasing engine downtime. Here is the list of tools and their source. Separate Tool Suppliers: Kohler Tools SE Tools Design Technology Inc. Contact your sour
