STARTER TESTING AND OVERHAUL Teknik Kendaraan Ringan Semester 3th Class XI Kompetensi Kejuruan SK-KD 18

DIAGRAM ALUR PENCAPAIAN KOMPETENSI

Disassembly Motor Starter (Toyota Step 2 Electrical Group) Dissasembly motor starting system according to picture Teknologi dan Rekayasa

Disassembly Motor Starter Disassembly Motor Starter 1. Disconnect cable at C terminal 2. Replace magnetic switch 3. Replace bolt, trhough bolt and rear end cover. 4. Replace spring and brush. Teknologi dan Rekayasa

Disassembly Motor Starter 5. Replace brush holder. 6. Replace armature assy 6. Replace yoke assy. 7. Replacing bushing dan snap ring Teknologi dan Rekayasa

Inspection and Testing A. FIELD COIL TESTING OPENS CIRCUIT INSPECTION Use Ohmmeter and continuity SHORT TO GROUND INSPECTION Use Ohmmeter and no continuity Teknologi dan Rekayasa

(Pro Technician Toyota Astra Motor) Inspection and Testing B. ARMATURE UNIT TESTING (Pro Technician Toyota Astra Motor) Short to ground circuit Open circuit (no continuity) (continuity)

Inspection and Testing Run out komutator and armature unit (Spec. look at manual book) Outside diameter komutator (spec. look at manual book) Width of comutator segmen (spec. look at manual book) Short armature circuit with growler Teknologi dan Rekayasa 8

Inspection and Testing C. BRUSH AND STARTER CLUTCH Measure brush thickness (specifikasi: look at manual book) Pinion can be rotate at one way and lock at other direction Teknologi dan Rekayasa

Inspection and Testing C. INSPECT PINION GEAR Check teeth condition Teknologi dan Rekayasa

Inspection and Testing D. MAGNETIC SWITCH TESTING Check plunger and spring Check pull in coil Check hold in coil Teknologi dan Rekayasa

Assembly Motor Starter by Disassembly Method Reverse Teknologi dan Rekayasa

Performance Testing Motor Stater Use three cable, one cable at positif batteray terminal and connect to 50 terminal, two cable at negatif batteray terminal and connect to C terminal and body After testing pull in coil as soon as disconnect cable from C terminal Teknologi dan Rekayasa

Performance Testing Motor Stater After testing hold in coil as soon as disconnect cable from body Use three cable, one cable at negatif batteray terminal and connect to body, two cable at positif batteray terminal and connect to 30 terminal and 50 terminal Teknologi dan Rekayasa

TROUBLESHOOTING FOUR CATEGORIES PROBLEMS NO CRANK SLOW CRANK SPINS BUT NO CRANK EXCESSIVE NOISE Teknologi dan Rekayasa

THROUBLESHOOTING PROCEDURES CONSISTENT METHOD VISUAL INSPECTION BATTERY PERFORMANCE VERIFY ENGINE CONDITION IF NO CRANK OR SLOW CRANK

THROUBLE SHOOTING TABLE NO COMPONENT PROBLEM AREA 1 Magnetic Switch Dirty at main contact Disconnect or short pull-in coil Disconnect or short hold-in coil Pluger stucks Ground disconnect 2 Motor Starter Disconnect or short field coil Disconnect or short armatur Short at comutator or bad thickness Bad isolator Bad at brush spring Bushing timeworm 3 Over Running Clutch Slip 4 Pinion Gear Broken gear 5 Stater Relay Broken 6 ST ignition Bad contacted 7 Batteray Dirty terminal Low power

BIBLIOGRAPHY: Kevin Sullivan, www. Autoshop101.com Step 2 Electrical Group, Toyota Astra Motor

Compiled by Nanang Nurdiyanto SMK Negeri 1 Magelang SEE YOU LATER!!! Compiled by Nanang Nurdiyanto SMK Negeri 1 Magelang