Related Manuals for Champ FX390
Summary of Contents for Champ FX390
- Page 1 FX390 FX390E CHAMP MANUFACTURING ENGINE OWNER’S MANUAL MIDWEST EQUIPMENT MFG 5225 SERUM PLANT ROAD THORNTOWN, IN 46071 765-436-2496...
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Page 2: Table Of Contents
4. Spark plug service ......................14 5. Spark arrester maintenance (Optional parts)..............15 Troubleshooting ........................16 Warranty Service ........................17 Champ FX390,FX390E Engine Parts Breakdown ................... 18 Head Subassembly, Cylinder/Spark ..................19 Crankcase ..........................20 Gear Assembly ........................21 Crankshaft Rod ........................22 Camshaft Subassembly ...................... - Page 3 Thank you for purchasing an engine. This manual covers the operation and maintenance of FX390, FX390E engines. All the information in this publication is based on the latest product information provided at the time of printing. Our company reserves the right to make changes at any time without notice and without incurring any obligation.
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Page 4: Engine Safety
ENGINE SAFETY The engines are designed to give safe and dependable service if operated according to instructions. Read and understand this Owner’s Manual before operating the engine. Failure to do so could result in personal injury or equipment damage. To prevent fire hazards and to provide ventilation, keep the engine at least 1 meter away from buildings and other equipment during operation. - Page 5 ENGINE SAFETY Pay attention to these labels before operate the engine. GASOLINE WARNING LABEL...
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Page 6: Introduction
INTRODUCTION... -
Page 7: Specification
SPECIFICATION MODEL FX390,FX390E Bore x Stroke (MM) 88X64 Displacement (CC) Compression Ratio 8.5:1 Net Power (Kw/Rpm) 7.8/3600 Net Torque (N.m/Rpm) 25/2500 PTO shaft rotation Counter Clock wise Ignition system Transistorized magneto ignition Lubrication system Forced splash Carburetor Flat suction valve carburetor... -
Page 8: Operations
OPERATION Pre-operation Check 1. Engine Oil Use 4 - stroke oil, or an equivalent high -detergent, premium quality motor oil certified to meet or exceed U.S automobile manufacturer’s requirements for Service classification SG•SF/CC•CD. (Motor oils classified SG•SF/CC•CD will show this designation on the container.) SAE 10W-30 is recommended for general, all-temperature in use. -
Page 9: Fuel
If “spark knock” or “pinging” occurs at a steady engine speed under normal load, change brands of gasoline. If spark knock or pinging persists, consult your authorized Champ dealer. Failure to do so is considered misuse, and damage caused by misuse Occasionally you may experience a light spark knock while operating under heavy loads. -
Page 10: Operation
OPERATIONS Fuel Tank capacity FX390 6.5 L FX390E 6.5 L GASOLINES CONTAINING ALCOHOL If you decide to use gasoline containing alcohol (gasohol), be sure its octane rating is at least as high as that recommended by our company There are two types of “gasohol”: one containing ethanol, and the other containing methanol. -
Page 11: Start The Engine
OPERATIONS Start The Engine Turn the fuel valve to the ON position. The choke may not need if the engine is warm or the air temperature is high Move the choke to the CLOSE position. Move the throttle lever slightly to the left. Start the engine. -
Page 12: Stop The Engine
OPERATIONS Stop The Engine To stop the engine in an emergency, turn the engine switch to the OFF position. Under normal conditions, use the following procedure: Move the throttle lever fully to the right. Turn the engine switch to the off position. Turn the fuel to the off position. -
Page 13: Transporting & Storage
TRANSPORTING & STORAGE To avoid severe burns or fire hazards, let the engine cool before transporting It or storing it indoors. When transporting the engine, turn the fuel valve to the off position and keep the engine level to prevent fuel spillage. Fuel vapor or spilled fuel may ignite. -
Page 14: Service
SERVICE Maintenance Periodic maintenance and adjustment are necessary to keep the engine in good operating condition. Perform the service and inspection scheduled in the following table. Shut off the engine before performing any maintenance. If the engine must be run, make sure the area is well ventilated. -
Page 15: Change Oil
3. Refill with the recommended oil, and check the oil level. Install the oil filler cap. FX390,FX390E Used motor oil may cause skin cancer if repeatedly left in contact with the skin for prolonged periods. Although this is unlikely unless you handle used oil on a daily basis, it is still advisable to thoroughly wash your hands with soap and water as soon as possible after handling used oil. -
Page 16: Air Cleaner Service
SERVICE 2. Air Cleaner Service A dirty air cleaner will restrict air flow to the carburetor. To prevent carburetor malfunction, service the air cleaner regularly. Service more frequently when operating The engine in extremely dusty areas. WARNING Never use gasoline or low point solvents for cleaning the air cleaner element. A fire or explosion could result. -
Page 17: Sediment Cup Clearing
SERVICE 3. Sediment Cup Cleaning WARNING Gasoline is extremely flammable and is explosive under certain conditions. Do not smoke or allow flames or spark in the area. After installing the sediment cup, check for leaks, and make sure the area is dry before starting the engine. -
Page 18: Spark Arrester Maintenance (Optional Parts)
SERVICE If the engine has been running, the muffler will be very hot. Be careful not to touch the muffler. NOTE: If installing a new spark, tighten ½ turn the spark plug seats to compress the washer. If reinstall a used spark plug, tighten 1/8-1/4 turn after then spark plug seats to compress the washer. -
Page 19: Troubleshooting
SERVICE Troubleshooting PROBLEM POSSIBLE CAUSE PROBABLE SOLUTION Add fuel to tank Gasoline engine; set chock( if Engine will not start Out of fuel equipped to OPEN/RUN Engine Flooded position and continue to pull starter handle. Low oil shutdown Engine stops suddenly Fuel tank empty or full of im- Fill engine oil to proper level. -
Page 20: Warranty Service
SERVICE Warranty Service Owner Satisfaction Your satisfaction and goodwill are important to us. All warranty details are explained in the Distributor’s Limited Warranty. Warranty Service is available at the dealership you bought the equipment from. Normally, any problem concerning the engine will be handled by the dealer’s service depart- ment. -
Page 21: Champ Fx390,Fx390E Engine Parts Breakdown
Champ FX390,FX390E Engine Parts Breakdown... -
Page 22: Head Subassembly, Cylinder/Spark
Head Subassembly, Cylinder/Spark Plug Ref # Part # Description CH78211 HEAD SUBASSEMBLY, CYLINDER CH78212 STUD CH78213 STUD CH78314 FX390-005 GASKET CH78216 CYLINDER HEAD CH78217 HEAD COVER GASKET CH78218 BREATHER TUBE CH78219 BOLT CH78307 SPARK PLUG CH 78221 BOLT... -
Page 23: Crankcase
Crankcase Ref # Part # Description CH78222 CRANKCASE SUBASSEBMLY CH78223 OIL SEAL CH78224 WASHER CH78225 BOLT CH78226 OIL SENSOR CH78227 BOLT CH78228 BEARING FX390-007 OIL LEVEL ASSEMBLY CH78231 BOLT CH78232 WASHER CH78233 GOVERNOR ARM CH78234 SEAL CH78235... -
Page 24: Gear Assembly
Gear Assembly Ref # Part # Description CH78236 COVER CH78237 GASKET CH78238 CH78239 GEAR ASSYMBLY, GOVERNOR CH78240 BEARING CH78241 BEARING CH78242 BOLT CH78243 ENGINE OIL PLUG CH78244 OIL DIPSTICK... -
Page 25: Crankshaft Rod
Crankshaft Rod Ref # Part # Description CH78245 CRANKSHAFT ASSYEMBLY CH78246 BALANCE AXIS ASSYEMBLY... -
Page 26: Camshaft Subassembly
Camshaft Subassembly Ref # Part # Description CH78252 CAMSHAFT ASSYEMBLY CH78253 EXHAUST VALVE CH78254 SEAL CH78255 SPRING VALVE CH78256 VALVE SPRING CH78257 VALVE LOCKER CH78258 VALVE TAPPET CH78259 VALVE LIFTER CH78260 PLATE SUBASSEMBLY CH78261 BOLT CH78262 VALVE ROCKER CH78263 VALVE ADJUSTING NUT CH78264 VALVE LOCK NUT CH78265... -
Page 27: Starter
Starter Ref # Part # Description FX390-006 RECOIL ASSYMBLY CH78267 SIDE COVER BOLTS CH78268 SHROUD CYLINDER BODY CH78357 OIL ALERT CH78266 BOLT CH78213 SHIELD CH78270 KILL SWITCH CH78318 CLIP CH78319 MAIN SIDE COVER... -
Page 28: Carburetor
Carburetor Ref # Part # Description FX390-002 CARBURETOR ASSYEMBLY CH78271 AIR CLEANER GASKET CH78272 CARBURETOR GASKET CH78273 CARBURETOR INSULATOR PLATE CH78274 INLET GASKET... -
Page 29: Air Cleaner
Air Cleaner Ref # Part # Description CH78275 AIR FILTER MOUNT CH78276 BOLT CH78277 SPACER CH78401 WING NUT CH78402 AIR FILTER COVER CH78403 OUTER AIR FILTER CH78404 MAIN AIR FILTER CH78405 MAIN MOUNT CH78406 SPACER CH78407 RUBBER SPACER... -
Page 30: Muffler Assembly
Muffler Assembly Ref # Part # Description CH78278 MUFFLER ASSEMBLY CH78279 GASKET, MUFFLER ASSY CH78280 EXHAUST PIPE CH78281 GASKET, EXHAUST OUTLET CH78282... -
Page 31: Fuel Tank
Fuel Tank Ref # Part # Description CH78283 FUEL TANK CH78284 FUEL TANK CAP CH78285 FUEL STRAINER CH78286 BOLT CH78287 OIL PLUG CH78288 FUEL TUBE CH78289 CLAMP CH78290... -
Page 32: Starter
Starter Ref # Part # Description CH78291 CH78292 STARTER PULLEY CH78293 IMPELLER CH78294 FLYWHEEL SUBASSEMBLY CH78229 IGNITION COIL CH78296 BOLT CH78220 SPARK PLUG CAP CH78295 CHARGE SYSTEM CH78299 CONTACTOR ASSEMBLY... -
Page 33: Throttle Control
Throttle Control Ref # Part # Description CH78297 THROTTLE CONTROL CH78298 BOLT FX390-008 SPRING CH78300 GOVERNOR SUPPORT SUBAS- SEMBLY CH78301 BOLT CH78302 CH78303 CH78304 THROTTLE RETURN SPRING...