Buku Perawatan Engine dan Unit Alat Berat 6 Kelas 11 SMK

Materi Perawatan Engine dan Unit Alat Berat 6

Kata Pengantar ................................ ................................ ..................... iii
DAFTAR ISI ................................ ................................ ............................ iv

PENDAHULUAN ................................ ................................ ..................... 1
1. Informasi Material Safety ................................ ................................ ......... 1
2. Panduan Umum Keselamatan Kerja ................................ ........................ 1
3. Syarat – Syarat Khusus Safety ................................ ................................ 1
4. Safety Dalam Penggunaan Coolant ................................ ......................... 2

TUJUAN SISTEM PENDINGIN ................................ ............................... 3
1. Perlunya Sistem Pendingin ................................ ................................ ..... 3
2. Panas dan Suhu ................................ ................................ ...................... 4
3. Pengaruh Panas ................................ ................................ ...................... 4

KOMPONEN SISTEM PENDINGIN ................................ ........................ 6
1. Water Pump ................................ ................................ ............................ 9
2. Radiator ................................ ................................ ................................ 10
3. Water Temperatur Regulator /Thermostat ................................ ............. 19
4. Radiator Pressure Cap ................................ ................................ .......... 22
5. Cara Kerja Radiator Cap ................................ ................................ ....... 22
6. Expansion Plug (Frost Plug) ................................ ................................ .. 24
7. After -Cooler ................................ ................................ ........................... 26
8. Engine Oil Cooler ................................ ................................ .................. 28
9. Water Cooled Exhaust ................................ ................................ ........... 29
10. Pendingin Engine dengna Menggunakan Udara ................................ ... 29
11. Metode Pendinginan Udara ................................ ................................ ... 30
12. Melepas dan Memasang Radiator ................................ ......................... 31
13. Melepas radiator ................................ ................................ .................... 31
14. Memasang radiator ................................ ................................ ............... 32

IDENTIFIKASI PRODUK ................................ ................................ ....... 33
1. Serial Number/ Product Identification Number ................................ ....... 35
2. Arrangement Number ................................ ................................ ............ 43

PERAWATAN PENCEGAHAN (PREVENTIVE MAINTENANCE) ........ 45
1. Manfaat perawatan pencegahan. ................................ .......................... 48
2. Maintenance (perawtan) Interval ................................ ........................... 49
a. Every setiap 10 service hour/da ily ................................ ................ 49
b. Merawat setiap 50 Jam Operasi (Weekly) ................................ .... 50
c. Merawat setiap 250 jam Operasi ................................ ................. 50
d. Merawat setiap 500 Jam operasi ................................ ................. 51
e. Merawat setiap 1000 Jam operasi ................................ ............... 51
f. Merawat setiap 2000 Jam o perasi ................................ ............... 51

PEMERIKSAAN KELILING (WALK -AROUND INSPECTION) ............. 52
ISO SYMBOLS ................................ ................................ ...................... 53
1. Basic Symbols ................................ ................................ ....................... 53
2. Advanced Symbols ................................ ................................ ................ 54
3. Additional symbol ................................ ................................ .................. 55
4. Basic Safety Symbols ................................ ................................ ............ 56

MENGHIDUPKAN ENGINE ................................ ................................ .. 57
1. Pemeriksaan Engine Saat Hidup ................................ ........................... 57
2. Setelah engine hidup ................................ ................................ ............. 57

PENGOPERASIAN ALAT BERAT ................................ ....................... 58
1. Arah dan pemindahan kecepatan ................................ .......................... 58

PERAWATAN SISTEM PENDINGIN ................................ .................... 60
1. Inspeksi Visual Pada Aliran Udara ................................ ........................ 60
2. Sirkulasi Coolant ................................ ................................ ................... 61
3. Radiator Core Flow ................................ ................................ ............... 62
4. Inspeksi Water Pump ................................ ................................ ............ 63
5. Pengujian Tekanan ................................ ................................ ............... 64
6. Pengujian Tekanan Pressure Cap ................................ ......................... 65
7. Pengujian Water Temperature Indicator ................................ ................ 66
8. Pengujian Thermostat (Temperature Regulator) ................................ .... 67
9. Pembersihan Komponen Bagian Dalam Dari Sistem Pendingin ............ 73
CONTAMINATION ................................ ................................ ................ 75
1. Endapan atau Karat ................................ ................................ .............. 75
2. Reverse -Flush ................................ ................................ ....................... 77

PENGUJIAN SISTEM PENDINGIN ................................ ....................... 78
DIAGNOSA SISTEM PENDINGIN ................................ ........................ 85
1. Overheating ................................ ................................ ........................... 86
2. Pemeriksaan Visual Overheating ................................ .......................... 87
3. Radiator ................................ ................................ ................................ 88
4. Kipas ................................ ................................ ................................ ..... 90
5. Shutter System ................................ ................................ ...................... 92
6. Hose Coolant ................................ ................................ ........................ 93
7. Gasket Water Pump dan Cylinder He ad ................................ ................ 93
8. Pemeriksaan –pemeriksaan Lain ................................ ........................... 94
9. Pengujian – Overheating ................................ ................................ ....... 95
10. Udara, Gas dan Uap dalam Sistem Pendingin ................................ ...... 96
11. Perbedaan Suhu Radiator – Ambient ................................ .................... 99
12. Suhu Torque Converter ................................ ................................ ....... 100
13. Retarder ................................ ................................ .............................. 100
14. Temperature Regulator atau Thermostat ................................ ............. 102
15 . Hambatan Aliran Udara Radiator ................................ ......................... 103
16. Engine Timing ................................ ................................ ..................... 105
17. Kekurangan Coolant ................................ ................................ ............ 106
18. Engine Overcooling ................................ ................................ ............. 110
19. Sistem Shutter ................................ ................................ ..................... 111
20. Thermostat ................................ ................................ .......................... 112
21. Radiator Cap ................................ ................................ ....................... 116
22. Fan Assembly ................................ ................................ ..................... 117
23. Hose dan Clamp ................................ ................................ .................. 118
24. Thermostat ................................ ................................ .......................... 119
25. Water Pump ................................ ................................ ........................ 120
26. Cylinder Head ................................ ................................ ..................... 121
27. Prosedur Pengujian Pada Machine ................................ ..................... 124
28. Engine Sudah Lama Tidak Dioperasikan ................................ ............. 126
29. Galleries ................................ ................................ .............................. 127
30. Kesimpulan Overheating – Masalah Dan Penyebab ............................ 128