C-Series Book - Industrial Engine Service

C-Series Book - Industrial Engine Service C-Series Book - Industrial Engine Service

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7 Notes 34 C-SERIES SERVICE, OPERATION & PARTS MANUAL – AEPB1 1-800-331-3662

8 TROUBLESHOOTING 8 ENGINE WON’T START No Ignition Spark 1. Low oil pressure switch tripped – reset switch. 2. Low oil level – refi ll crankcase with proper motor oil to full level. 3. Low water level switch in shutoff position – refi ll cooling system with coolant to proper level. 4. Damaged ignition wire or terminals – replace. 5. Faulty Ignition 6. Faulty spark plug – remove and replace. No Fuel 1. Be sure the fuel gas is turned on at the main valve and that there is gasoline in the fl oat bowl, if furnished. 2. Be sure the fuel hose is not kinked or stopped up, and is of suffi cient size as to not restrict the flow of fuel gas. No Compression 1. Be sure compression release is in down position. 2. Stuck valve-remove valve cover and check valves to see that both are opening and closing while turning engine over. Often a stuck valve may be freed up by spraying with light oil and tapping with a small hammer. If this doesn’t work, the head will have to be removed. 3. Valve adjustment backed off - readjust valves to .020 clearance. 4. Valve burned - remove head and recondition. Engine Flooded 1. Remove spark plug – turn engine over several times with compression release in down position to blow surplus fuel out cylinder – clean plug and reinstall. 2. Try cranking engine with fuel shut off to clear cylinder of remaining fuel. 3. Start engine in usual manner. 1-800-331-3662 ARROW ENGINE COMPANY 35

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34 C-SERIES SERVICE, OPERATION & PARTS MANUAL – AEPB1 1-800-331-3662

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