Dasar2 Engine

Pelajaran 1

Dasar-dasar Engine Diesel

Definisi Engine

Istilah-istilah pada Engine Top Dead Center Bottom Dead Center

Istilah-istilah pada Engine Bore

Istilah-istilah pada Engine Stroke

Istilah-istilah pada Engine Displacement

Istilah-istilah pada Engine Compression Ratio

Istilah-istilah pada Engine Friction Inertia Force Pressure Temperature

Komponen Ruang Bakar Cylinder Liner Piston Intake Valve Exhaust Valve Cylinder Head

Prinsip Kerja Diesel Engine Empat Langkah

Prinsip Kerja Diesel Engine Empat Langkah Langkah Pemasukan Udara

Prinsip Kerja Diesel Engine Empat Langkah Langkah Kompresi

Prinsip Kerja Diesel Engine Empat Langkah Langkah Usaha

Prinsip Kerja Diesel Engine Empat Langkah Langkah Exhaust

Siklus Diesel Engine Empat Langkah

Faktor yang Mempengaruhi Pembakaran Panas Udara Bahan Bakar

Hubungan antara Hp, Torque dan Rpm Rumus Horse Power

Torque Rpm Hp 5252

Pelajaran 2

Spesifikasi & Rating Engine

Spesifikasi Engine C-12 & 3196 In-line 6 cylinder Bore X Stroke 5.1 inch X 5.9 inch (130mm X 150mm) Displacement total 12 liter Compression ration 16:1 Putaran engine Counterclockwise Firing order 1-5-3-6-2-4

Pengelompokan Engine Berdasarkan Rating Rating adalah pengelompokan engine Caterpillar sejenis berdasarkan kepada kemampuan menghasilkan tenaga kotor (gross output) yang dilengkapi dengan accsesories standard

Rating pada Aplikasi Marine Engine Unrestricted Continuous A Heavy Duty B Maximum Continuous C Intermittent Duty D High Performance E

Engine Serial Number & Engine Information Data Serial Number Plate

Pelajaran 3

System Pendinginan 3196 & C12

Komponen Cooling System Engine Jacket Water Pump

Jacket Water Pump

Komponen Cooling System Engine Temperature Regulator

Temperature Regulator Housing

Komponen Cooling System Expansion Tank

Expansion Tank

Komponen Cooling System Jacket Water Heat Exchanger

Jacket Water Heat Exchanger

Komponen Cooling System Engine Oil Cooler

Engine Oil Cooler

Raw Water System Raw Water System

Raw Water System Jalur Outlet Sea Water

Cooling System Tipe Heat Exchanger

Cooling System Tipe Heat Exchanger Heat Exchanger

Cooling System Tipe Heat Exchanger Zinc Rod

Cooling System MaintenanceTekanan 0 Psi Tekanan 6 Psi

Titik didih 188F

Titik didih 210F

Cooling System Maintenance Konsentrasi Antifreeze & Titik Didih AirTitik didih cairan pendingin pada konsentrasi antifreeze yang berbeda

% Konsentrasi

Titik didih campuran air dan ethylene glycol

20 30 40 50 60

103C (217F) 104C (219F) 106C (222F) 108C (226F) 111C (231F)

Cooling System Maintenance Karakteristik Air Cooling SystemKarakteristik minimal air yang diperbolehkan pada cooling system Kandungan Nilai maksimal ASTM metode test

Chloride(Cl),gr/gal(ppm) Sulfate(SO4), gr/gal(ppm) Total Harness, gr/gal(ppm) Total Solids, gr/gal(ppm) pH

2,4(40)max 5.9(100)max 10(170)max 20(340)max 5.5-9.0

D512b,D512d,D4327 D512b,D512d,D4327 D1126b D1888a D1293

Additive Supplement Coolant Additive (SCA)

Additive Supplement Coolant Additive Element

Additive Diesel Engine Antifreeze Coolant (DEAC)

Additive Extended Life Coolant (ELC)

Additive ELC extender

Additive TABEL PENAMBAHAN CAT EXTENDER

Permasalahan pada Cooling System Engine Overheating Engine Overcooling

Pengukuran Konsentrasi Cairan Pendingin Coolant Conditioner Test Kit Pengukuran konsentrasi antifreeze Pengukuran konsentrasi coolant conditioner Coolant & Battery Tester Pengukuran konsentrasi antifreeze

Pemeriksaan pada Cooling System Pemeriksaan Kondisi Radiator Cap Pemeriksaan Kondisi Water Temperature Regulator

Pelajaran 4

System Pelumasan 3196 & C12

Komponen dan Prinsip Kerja Komponen PelumasanSystem Pelumasan

Komponen dan Prinsip Kerja Komponen Pelumasan Saluran Pelumasan Pada Engine

Komponen dan Prinsip Kerja Komponen Pelumasan Lubrikasi Front Gear Train

Komponen dan Prinsip Kerja Komponen Pelumasan Piston Cooling Jet (Jet Spray)

Komponen dan Prinsip Kerja Komponen Pelumasan Oil Cooler dan Oil FilterEngine Lube Oil Cooler

Engine Lube Oil Filter

PelumasFungsi Pelumas Melumasi Menyerap panas Membersihkan permukaan komponen engine Penyekat (seal) Pencegah karat Peredam kejutan Melarutkan kotoran Pencegah timbulnya busa (foam) Pencegah oksidasi

PelumasBased stock oil Mineral base stock Full synthetic base stock Semi synthetic base stock

PelumasAdditive Oxidation inhibitor Film strength agent Extreme pressure/anti wear agent Rust/corrotion inhibitor Adhesive agent Defoamant Viscosity index improver Disperssant/detergent Emulsifier Pour point disperssant

Pelumas Total base number (TBN)

PelumasFaktor Penyebab Pembentuk Asam Kandungan sulfur di dalam fuel Engine temperature Combustion air humidity Fuel consumption Penambahan oil bersih

Pelumas Viscosity

PelumasFaktor Penyebab Perubahan Viscosity Temperature Pressure Shear rate

Pelumas Multigrade OilMultigrades OilAdequate Circulation & Starting 2W 0 1W 5 1W 0 5 W 5 0

SAE 15W/30

When cold this oil may be too thick to provide easy starting and rapid circulation. Adequate Lubrication

SAE 30

Increasing Viscosity

SAE 15WWhen hot this oil may be too thin to provide adequate lubrication.

4 0 3 0 2 0

-15CWinter

Increasing Temperature

100CSummer8

Pelumas Oil yang Direkomendasikan

Pelajaran 5

Air Intake & Exhaust System

Komponen Air Intake & Exhaust SystemAftercooler

Turbocharger

Air Cleaner

Komponen Air Intake & Exhaust SystemTurbocharger

Exhaust Outlet

Exhaust Manifold

Komponen Air Intake & Exhaust System

Air Cleaner/Fumes Re-circulation System

Pengukuran Air Intake & Exhaust System

Pelajaran 6

Fuel System

Fuel System Electronic Unit Injector ( EUI )

Fuel System Diagram EUI Fuel System

Fuel System Komponen Utama Injector system EUI

Fuel System Cartridge Assembly

Fuel System Nozzle Assembly

Fuel System Tahapan Penginjeksian

Electronic Sensor dan Pengontrol System