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SERVICE MANUAL
COMMAND PRO
CV940-CV1000
VERTICALCRANKSHAFT
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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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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 property damage if the warning is ignore
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Section 1 Safety and General Information WARNING WARNING WARNING Carbon Monoxide can cause severe nausea, fainting or death. severe acid burns. severe burns. ventilated area. Keep sources of Avoid inhaling exhaust fumes, and engine is hot or running. ignition away. never run the engine in a closed Explosive Fuel! Explosive Gas! Lethal Exhaust Gases! its vapors can explode if ignited. Store gas while being charged. To prevent a Engine exhaust gases contain gasoline only in approv
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Section 1 Safety and General Information When ordering parts, or in any communication involving an engine, always give the Model, 1 Decal Figure 1-1. An explanation of these numbers is shown in Figure 1-2. A. Model No. C V 980 S Command Engine Version Code Vertical Crankshaft S = Electric Start Numerical Designation CV940-0001 B. Spec. No. CV960-0001 CV980-0001 CV1000-0001 Complete Spec Number (Incorporating Model No. with Variation No. of Basic Spec.) C. Serial No. 3705810334 Year M
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J S E C I V 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, weight, and a consistent brand of oil in the crankcase is extremely important. So is checking oil daily and changing oil regularly. Failure to use the correct oil, or using dirty oil, causes Fuel Recommendations premature engine wear and failure. WARNING: Explosive Fuel! Oil Type Use
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Section 1 Safety and General Information Periodic Maintenance Instructions WARNING: Accidental Starts! 1 Disabling engine. Accidental starting can cause severe injury or death. Before working on the engine or equipment, 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. Frequency Maintenance Refer to: • Fill fuel tank. Section 5 Daily or Before • Check oil level.
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Section 1 Safety and General Information Dimensions in millimeters. Inch equivalents shown in [ ]. 484.33 [19.068] 135.00 365.50 90.22 [5.315] 130.00 [14.390] [3.552] [5.118] 577.09 152.36 [22.720] [5.999] 232.22 [9.143] 5.9 344.54 [.23] [13.565] 325.30 14.7 [12.807] [.58] 26.80 [1.055] 30.00 [1.181] 50.00 [1.969] 89.80 62.70 [3.536] [2.468] (Optional Guard) 45.00 [1.772] 470.64 [18.529] 411.64 [16.206] 376.56 [14.825] 427.80 124.10 [16.843] 115.12 [4.886] 168.95 [4.532] [6.652] 17.00 [.669] 11
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Section 1 Safety and General Information Power (@3600 RPM, exceeds Society of Automotive Engineers-Small Engine Test Code J1940.) CV940......................................................................................................... 25.3 kW (34 HP) 1 CV960......................................................................................................... 26.9 kW (36 HP) CV980......................................................................................................... 28
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Section 1 Safety and General Information Carburetor, Intake Manifold, and Air Cleaner Torque Using Sequence in Two Stages ................................................. Carburetor/Air Cleaner Mounting Nut Torque.......................................... 7.9 N·m (70 in. lb.) ................... 9.9 N·m (88 in. lb.) Control Bracket ......... 9.9 N·m (88 in. lb.) Connecting Rod Cap Fastener Torque (torque in increments)............................................... 11.3 N·m (100 in.
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Section 1 Safety and General Information Running Clearance - New ...................................................................... 0.040/0.167 mm (0.0015/0.0065 in.) 1 Flywheel End Main Bearing Journal O.D. - New ................................................................................................ 44.978/45.00 mm (1.770/1.771 in.) O.D. - Max. Wear Limit ........................................................................... 44.90 mm (1.767 in.) Max. Taper .................
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Section 1 Safety and General Information Grass Screen Hex Stud Torque ............................................................................................ 9.9 N·m (88 in. lb.) Mounting Screw Torque................................................................................. 9.9 N·m (88 in. lb.) Governor .......................... 0.025/0.087 mm (0.0009/0.0034 in.) Governor Cross Shaft O.D. New........................................................................................
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Section 1 Safety and General Information Top Compression Ring-to-Groove Side Clearance .................................... 0.04/0.08 mm (0.0015/0.0031 in.) Middle Compression Ring-to-Groove Side Clearance .............................. 0.04/0.08 mm (0.0015/0.0031 in.) 1 Oil Control Ring-to-Groove Side Clearance................................................ 0.03/0.19 mm (0.0011/0.0074 in.) Top and Center Compression Ring End Gap New Bore ........................................................
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Section 1 Safety and General Information Valve Guide Reamer Size Standard .................................................................................................... 7.048 mm (0.2775 in.) 0.25 mm O.S.............................................................................................. 7.298 mm (0.2873 in.) Nominal Valve Face Angle ............................................................................ 45° General Torque Values Metric Fastener Torque Recommendations for Stan
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Section 1 Safety and General Information English Fastener Torque Recommendations for Standard Applications Tightening Torque: N·m (in. lb.) + or - 20% 1 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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1.14
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Section 2 Tools & Aids Section 2 Tools & Aids 2 Separate Tool Suppliers: Tools Description Source/Part No. 2.1
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Section 2 Tools & Aids Tools (Continued) Description Source/Part No. SE Tools KLR-82411 To remove and reinstall drive retaining rings and brushes. Individual Component Available SE Tools KLR-82416 Starter Brush Holding Tool (Solenoid Shift) Tachometer (Digital Inductive) Design Technology Inc. For checking operating speed (RPM) of an engine. DTI-110 Vacuum/Pressure Tester Kohler 25 761 22-S Alternative to a water manometer
