User manual ETON VSL-300ST SERVICE MANUAL

[. . . ] VECTOR 300 Service Manual 1 Contents 1. INFORMATION 1-1 Safety 1-2 Notes 1-3 Engine Specifications 1-4 Serial Number 1-5 Torque Values 1-6 Special Tools 2. MAINTENANCE 2-1 Maintenance Data 2-2 Maintenance Schedule 2-3 Fuel Tube 2-4 Throttle Operation 2-5 Throttle Cable Adjustment 2-6 Air Cleaner 2-7 Spark Plug 2-8 Idle Speed 2-9 Drive Chain 2-10 Brake System 2-11 Wheels And Tires 2-12 Steering Shaft Holder Bushing 2-13 Toe-In 3. ENGINE REMOVE AND INSTALLATION 3-1 General Information 3-2 Engine Removal 3-3 Engine Installation 4. [. . . ] Torque value: 8. 5~10. 5kgf-m Universal holder 8-6 Drive Face Removal Remove left crankcase cover. Hold drive face with universal holder, and then remove drive face nut. Remove drive face and drive belt. Universal holder Remove movable drive face comp and drive face boss from crankshaft. Movable drive face Crankshaft Drive face boss Remove ramp plate. Ramp plate Remove weight rollers from movable drive face. Movable drive face Weight roller Inspection The weight rollers are to press movable drive face by means of centrifuge force. Thus, if weight rollers are worn out or damaged, the centrifuge force will be affected. Measure each roller's outer diameter. Service limit: 19. 0 mm Weight: 17. 2g Check if drive face boss is worn or damaged and replace it if necessary. Measure the outer diameter of movable drive face boss, and replace it if it exceed service limit. Service limit: 29. 962 mm Measure the inner diameter of movable drive face, and replace it if it exceed service limit. Service limit: 30. 060 mm Reassembly/installation Install weight rollers. Drive face boss Weight roller Movable drive face Weight roller Caution The weight roller two end surfaces are not certainly same. In order to lengthen the roller life and prevented exceptionally wears the occurrence, Please end surface of the closure surface counter clockwise assembles onto movable drive face. Closure surface Install ramp plate. Ramp plate Guide collar 8-10 With 4~5g grease spreads wipes drives in the movable drive face axis hole. Install drive face boss. Caution The movable drive face surface has to be free of grease. Clean it with cleaning solvent. Drive face boss Install movable drive face comp. onto crankshaft. Movable drive face Drive face boss Crank shaft Press down Driven pulley installation Press drive belt into pulley groove, and then pull the belt onto drive shaft. Drive belt Install drive face, washer and nut. Caution Make sure that two sides of pulley surfaces have to be free of grease. Torque value: 8. 5~10. 5kgf-m Install left crankcase cover. 8-7 Clutch Outer/Driven Pulley Disassembly Remove drive belt, clutch outer and driven pulley. Install clutch spring compressor onto the pulley assembly, and operate the compressor to let the wrench be installed more easily. Clutch nut wrench Caution Do not press the compressor too much. Hold the clutch spring compressor onto bench vise, and then remove mounting nut with special service tool. Release the clutch spring compressor and remove friction plate, clutch weight and spring from driven pulley. Remove seal collar from driven pulley. Clutch spring compressor Collar Remove guide pin, guide pin roller, and movable driven face, and then remove O-ring & oil seal seat from movable driven face. Movable driven face Seal Guide pin O-ring Guide pin Guide pin roller Inspection Clutch outer Measure the inner diameter of clutch outer. Replace the clutch outer if exceed service limit. Service limit: 145. 450 mm Inner diameter Clutch outer Clutch lining Measure each clutch weight thickness. Service limit: 3. 0 mm Replace Clutch lining Clutch weight Driven pulley spring Measure the length of driven pulley spring. Service limit: 97. 4 mm Free length Driven pulley Check following items: If both surfaces are damaged or worn. [. . . ] Quick charging should be limited to an emergency; Normal charging is preferred. 17-5 Electric Starter Information If a battery has not work a period of time, the voltage may reduce and may not provide enough power to starter motor. If a battery is in a good condition, but engine can not be start. Please go back to service. TROUBLESHOOTING Starter Motor Turns Slowly Weak battery. Starter Motor Cannot Work Engine stop switch at "off "position. [. . . ]