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Deskripsi lengkap
PEMERIKSAAN SISTEM STARTER (OVERHAUL) Teknik Kendaraan Ringan Semester 3th Class XI
Membongkar Motor Starter
(Toyota Step 2 Electrical Group)
Dissasembly motor starting system according to picture
Membongkar Motor Starter
1. Disconnect cable at C terminal
3. Replace bolt, trhough bolt and rear end cover.
2. Replace magnetic switch
4. Replace spring and brush.
Membongkar Motor Starter
5. Replace brush holder.
6. Replace yoke assy.
6. Replace armature assy
7. Replacing bushing dan snap ring
Pemeriksaan Komponen A. FIELD COIL TESTING
OPENS CIRCUIT INSPECTION Use Ohmmeter and continuity
SHORT TO GROUND INSPECTION Use Ohmmeter and no continuity
Pemeriksaan Komponen B. ARMATURE UNIT TESTING
(Pro Technician Toyota Astra Motor)
Short to ground circuit (no continuity)
Open circuit (continuity)
Pemeriksaan Komponen
Run out komutator and armature unit (Spec. look at manual book)
Width of comutator segmen (spec. look at manual book)
Outside diameter komutator (spec. look at manual book)
Short armature circuit with growler
Pemeriksaan Komponen C. BRUSH AND STARTER CLUTCH
Measure brush thickness
Pinion dapat berputar pada
(specifikasi: look at manual book)
satu arah dan terkunci pada arah yang sebaliknya
Pemeriksaan Komponen C. INSPECT PINION GEAR
Check teeth condition
Pemeriksaan Komponen D. PMERIKSAAN MAGNETIC SWITCH
Check plunger and spring
Check pull in coil
Check hold in coil
Merakit Motor Starter
Merakit motor starter dengan urutan kebalikan dari pembongkaran
Tes Kemampuan Motor Starter Menggunakan tiga kabel, satu kabel dihubungkan ke terminal positif baterai dan disambung ke terminal 50, dua kabel dihubungkan pada negatif batteray terminal dan dihubungkan ke terminal C dan body Setelah melakukan pull in test lepas segera kabel dari terminal C dan pinion harus tetap pada posisinya
Tes Kemampuan Motor Starter 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
TROUBLESHOOTING
4 JENIS KERUSAKAN TIDAK BERPUTAR BERPUTAR LAMBAT MOTOR BERPUTAR TAPI TIDAK MEMUTAR MESIN BERISIK
THROUBLESHOOTING PROCEDURES
LAKUKAN METODE PERBAIKAN SESUAI BUKU MANUAL
PERIKSA SECARA VISUAL
CHECK KONDISI BATERAI
PASTIKAN MESIN DALAM KONDISI BAIK JIKA MOTOR STARTER TIDAK BERPUTAR ATAU BERPUTAR LAMBAT
THROUBLE SHOOTING TABLE NO
COMPONENT
PROBLEM AREA • •
1
Magnetic Switch
• • •
• •
2
Motor Starter
• • • •
Dirty at main contact Disconnect or short pull-in coil Disconnect or short hold-in coil Pluger stucks Ground disconnect 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
SEE YOU LATER!!!
Compiled by Nanang Nurdiyanto SMK Negeri 1 Magelang
