CH260-CH440 Service Manual - Kohler Engines

Disassembly/Inspection and ServiceClean all parts thoroughly as engine is disassembled.Only clean parts can be accurately inspectedand gauged for wear or damage. There are manycommercially available cleaners that will quickly removegrease, oil, and grime from engine parts. When such acleaner is used, follow manufacturer’s instructions andsafety precautions carefully.Make sure all traces of cleaner are removed beforeengine is reassembled and placed into operation. Evensmall amounts of these cleaners can quickly break downlubricating properties of engine oil.Disconnect Spark Plug LeadFuel Valve DetailsAA Fuel Shut-Off Valve B Turn to Off PositionNOTE: Pull on boot only, to prevent damage to sparkplug lead.NOTE: Models with low-profile air cleaner do not havefuel shut-off valve. Instead, turn off fuel at fuelsupply.1. Disconnect lead from spark plug.2. Push fuel shut-off lever left to close fuel valve.Drain Oil From Crankcase1. Remove 1 oil drain plug and 1 oil fill plug.2. Allow ample time for oil to drain from crankcase.BRemove Air Cleaner AssemblyRemove air cleaner components from air cleaner base.Refer to Air Cleaner/Intake.Remove Quad-Clean BaseRemove air cleaner base from engine as follows:1. Remove nuts and screws securing carburetorshroud to engine.2. Remove shroud.3. Remove screw and nuts securing air cleaner base tocarburetor.4. Disconnect one end of breather hose from valvecover or air cleaner base.5. Pull air cleaner base off studs.6. Remove air cleaner base gasket from mountingstuds.7. Loosely install nuts on studs (to temporarily holdcarburetor on engine).Remove Low-Profile Air Cleaner BaseRemove air cleaner base from engine as follows:1. Remove screw and nuts securing air cleaner base tocarburetor.2. Disconnect one end of breather hose from valvecover or air cleaner base.3. Remove base.4. Remove air cleaner base gasket from mountingstuds.5. Loosely install nuts on studs (to temporarily holdcarburetor on engine).Remove Fuel Tank (if equipped)NOTE: If no fuel tank is equipped, loosen clamp anddisconnect fuel line from inlet of carburetor.1. Ensure fuel tank is empty.2. Loosen clamp and disconnect fuel line from inlet ofshut-off valve.3. Remove screws and nuts securing fuel tank toengine brackets and remove tank from engine.Remove Muffler and Heat Shield Assembly1. Remove screws from exhaust flange and mufflerbracket.2. Remove muffler assembly from exhaust outlet.3. Remove exhaust gasket from outlet.44KohlerEngines.com17 690 01 Rev. E