Buku Power Train dan Hydraulic Alat Berat 4 Kelas 11 SMK

Materi Power Train dan Hydraulic Alat Berat 4

DAFTAR ISI

BAB 1 Memahami Sistem Kemudi (Steering) Yang Terpasang Pada Machine Jenis Roda...7 

A. Deskripsi ................................ ................................ ..................................... 7
B. Tujuan pembelajaran ................................ ................................ .................... 7
C. Ura ian Materi ................................ ................................ ............................... 7
D. Pendahuluan ................................ ................................ ................................ . 7
E. Pengamatan ................................ ................................ ................................ .. 7
F. Diskusi ................................ ................................ ................................ ......... 8
G. Macam – macam Steering ................................ ................................ ............ 8
Macam – macam Steering berdasarkan tenaga penggeraknya .................... 8
Mechanical ................................ ................................ ............................... 8
Hydraulic ................................ ................................ ................................ . 9
Macam – macam Steering berdasarkan final drivenya (penggerak akhir)...10
Track ................................ ................................ ................................ ...... 10
Wheel ................................ ................................ ................................ ..... 11
Steering system wheel loader ................................ ................................ .... 20

BAB 2 Memahami Proses Perawatan Pada Sistem Hidrolik ................................ . 43
A. Deskripsi ................................ ................................ ................................ .... 43
B. Tujuan Pembelajaran ................................ ................................ ................. 43
C. Uraian Materi ................................ ................................ ............................. 44
Pendahuluan ................................ ................................ ................................ ........... 44
Pengamatan ................................ ................................ ................................ .............. 44
Diskusi ................................ ................................ ................................ ....................... 45
Praktek Pemasangan Yang Benar ................................ ................................ .............. 48
Perlindungan peralatan hidrolik ................................ ................................ ................ 50
Penyimpanan dan penanganan oli ................................ ................................ ............ 52
Pemilihan Cairan yang tepat ................................ ................................ ..................... 53
Pemeliharaan Sistem Hidrolik ................................ ................................ ................... 62
Pemeliharaan Filter ................................ ................................ ................................ ... 64
Pemeliha ran Katup dan perbaikannya ................................ ................................ ...... 64
Pemeliharaan Silinder Hidrolik ................................ ................................ .................. 65
Pompa yang berisik ................................ ................................ ................................ ... 67
Pemeliharaan valve ................................ ................................ ................................ ... 67
D. Rangkuman ................................ ................................ ................................ 68
Kesimpulan ................................ ................................ ................................ ................ 68
E. Evaluasi ................................ ................................ ................................ ...... 68
Soal -soal latihan ................................ ................................ ................................ ........ 69
Soal -soal latihan ................................ ................................ ................................ ........ 70

BAB 3 Pelepasan dan Pemasangan Komponen Sistem Hidrolik .......................... 71
F. Deskripsi ................................ ................................ ................................ .... 72
G. Tujuan Pembelajaran ................................ ................................ ................. 73
H. Uraian Materi ................................ ................................ ............................. 74
A. Tujuan Pelepasan Dan Pemasangan Komponen ................................ ............. 74
B. Perencanaan Pelepasan Dan Pemasangan Komponen ................................ ... 80
C. Melepas Dan Memasang Tangki Hidrolik ................................ ........................ 87
D. Melepas Dan Memasang Silinder Hidrolik ................................ ....................... 94
E. Melepas Dan Memasang Filter Oli Hidrolik ................................ ................... 103
F. Membongkar Dan Merakit Pompa Hidrolik Tipe Gear ................................ .. 108
G. Membongkar Dan Merakit Pompa Hidrolik Tipe Vane ................................ .. 128
H. Membongkar Dan Merakit Pompa Hidrolik Tipe Piston ................................ 148
I. Membongkar Dan Merakit Silinder Hidrolik ................................ .................. 171
J. Membongkar Dan Merakit Directional Control Valve ................................ ... 185
I. Rangkuman ................................ ................................ .............................. 213
J. Evaluas i ................................ ................................ ................................ .... 216

BAB 4 Memahami Proses Technical Analysis -1 Pada Sistem Hidrolik ............. 218
K. Deskripsi ................................ ................................ ................................ .. 219
L. Tujuan Pembelajaran ................................ ................................ ............... 220
M. Uraian Materi ................................ ................................ ....................... 221
A. ANALISA KERUSAKAN PADA HYDRAULIC GEAR PUMP ................................ .. 221
B. ANALISA KERUSAKAN PADA HYDRAULIC VANE PUMP ................................ .. 242
N. Rangkuman ................................ ................................ .............................. 255
O. Evaluasi ................................ ................................ ................................ .... 256

BAB 5 SUSPENSI ALAT BERAT ................................ ................................ ..... 258
P. Deskripsi ................................ ................................ ................................ .. 258
Q. Tujuan Pembelajaran ................................ ................................ ............... 259
R. Uraian Materi ................................ ................................ ........................... 260
A. SUSPENSI ................................ ................................ ................................ ............. 260
Tujuan Suspensi ................................ ................................ ....................... 260
Faktor -faktor Suspensi ................................ ................................ ............. 261
Massa dengan pegas ( Sprung Mass) / Massa tanpa pegas (Unsprung Mass).....261
Perjalanan Suspensi / Suspension Travel ................................ ................ 261
Peringkat pegas ( Spring Rate ) ................................ ............................... 262
Tanpa Pembagian Beban ................................ ................................ ......... 264
Pembagian Beban / Load Sharing ................................ ............................ 265
Pegas Spiral (Coil Spring) – Peringkat (Rate) Spring / Spring Rate ...... 265
S. Rangkuman ...................................................................................... 267
- Massa tanpa pegas (Unsprung Mass) ................................ ................ 267
T. Evaluasi ................................ ................................ ................................ .... 269
U. Uraian Materi ................................ ................................ ........................... 270
B. Sistem Suspensi Alat Bergerak ................................ ................................ ............ 270
Backhoe Loader ................................ ................................ ....................... 270
Suspensi Gabungan Osilasi (Oscillating Tandem Suspension) ............... 270
Suspensi Oval Track / Oval track suspension ................................ .......... 272
Susunan Axle Mati ( Dead Axle Arrangement ) ................................ ........ 272
Suspensi Traktor Jenis Lintasan Sprocket Angkat (Elevated Sprocket Track) ............... 274
Bantalan Karet ( Rubber Pad ) ................................ ................................ . 276
Poros Pivot ( Pivot Shaft ) ................................ ................................ ....... 277
Batang Penyeimbang ( Equalizer Bar ) ................................ .................... 278
Suspensi Tempat Duduk Operator (Operator Suspension Seat) ............. 280
Isolasi ................................................................................................. 281
Penyetel Berat ( Weight Adjustment ) ................................ ...................... 281
Penyetel Tinggi ( Height Adjustment ) ................................ .................... 281
Komponen Rangkaian BentukTempat Duduk (Countour seat ser ies ) ... 282
Isolasi dan Weight adjustment ................................ ................................ . 282
Penyetelan Damping / Damping Adjustmen ................................ ........... 283
Penyetelan Tuas Atas/Bawah / Lever Adjustment ................................ .. 283
Height adjustment / Height Adjustment ................................ .................. 284
Koneksi denganTempat duduk ................................ ................................ 285
C. SUSPENSI PNEUMATIK (Pneumatic Suspension) ................................ ................ 287
PENDAHULUAN ( Introduction ) ................................ .......................... 287
Penampang Cylinder Depan / Cross section front cylinder ................ 287
Cylinder Suspensi Belakang / Rear suspension cylinder ..................... 288
Kondisi Operasi ................................ ................................ ................... 289
Pemindahan Nitrogen / Nitrogen displacement ................................ ... 291
BAB 6 Merawat Undercarriage ................................ ................................ ........... 293
V. Deskripsi ................................ ................................ ................................ .. 294
W. Tujuan Pembelajaran ................................ ................................ ........... 295
X. Uraian Materi ................................ ................................ ........................... 296
Memahami Perawatan Undercarriage System ................................ ....................... 296
Faktor -Faktor Yang Menyebabkan Kerusakan Undercarriage ................ 299
Prosedur Penyetelan Track ................................ ................................ ..................... 301
El evated Sprocket ................................ ................................................... 301
Y. Rangkuman ................................ .............................................................. 306
Z. Evaluasi ................................ .............................................................. 308

BAB 7 Track Ty pe Tractor Steering ................................ ................................... 309
AA. Deskripsi ................................ ................................ .............................. 310
BB. Tujuan Pembelajaran ................................ .......................................... 311
CC. Uraian Materi ................................ ................................ ....................... 312
TRACK TYPE TRACTOR STEERING ................................ ................................ ............ 312
Mengemudi Trakto r Rancangan Lama ................................ .................... 313
Alat -Alat Pengendali Mekanis ................................ ................................ . 314
Pengendalian Mekanis Yang Ditingkatkan ( Boosted Mechanical Control ) .............................................. 315
Pengendalian Hydraulic Penuh ( Full Hydraulic Control ) ....................... 316
Traktor Dengan Sprocket Yang Din aikkan ( Elevated Sprocket Tractor ) 317
Komponen -Komponen Pengendali ................................ .......................... 321
Pengoperasian Alat Pengendali ................................ ............................... 326
Electronic Control Steering System ................................ ......................... 333
Letak Dan Fungsi Komponen Utama ................................ ...................... 337
Identifikasi Dan Keter angan Mengenai Komponen Valve ...................... 341
Pengoperasian Sistem ................................ ................................ .............. 348
DD. Rangkuman ................................ ................................ .......................... 385
EE. Evaluasi ................................ ................................ ................................ 387

BAB 8 Penyetelan Sistem kemudi dan Poros Roda ................................................ 388
FF. Deskripsi ................................ .......................................................... 389
GG. Tujuan Pembelajaran ................................ ................................ ........... 390
HH. Uraian Materi ................................ ................................ ....................... 391
Penyetelan Sistem Kemudi Dan Poros Roda ................................ ........................... 391
Komponen -komponen sistem kemudi ................................ ..................... 391
Sudut Steering (kemudi) (Steering Angle) ................................ ............................... 407
Kemiringan Poros Roda Steering (Kemudi) (King Pin Inclination) ....... 411
Steering Box Manual ................................ ................................ ............................... 428
II. Rangkuman ................................ ................................ .............................. 450
JJ. Evaluasi ................................ ................................ ................................ .... 452

Bab 9 Memahami Sistem Rem Pada Alat Berat ........................................ 453
KK. Deskripsi ................................ ................................ .............................. 454
LL. Tujuan Pembelajaran ................................ ................................ ........... 455
MM. Uraian Materi ................................ ................................................ 456
Memahami Sistem Rem Pada Alat Berat ................................ ................................ 456
Sistem Rem Pada Alat Berat ................................ ................................ .................... 468
NN. Rangkuman ................................ ................................ .......................... 475
OO. Evaluasi ................................ ................................ ................................ 477

BAB 10 Komponen Sistem Rem Alat Berat ......................................... ............. 478
PP. Deskripsi ................................ ................................ .............................. 479
QQ. Tujuan Pembelajaran ................................ ................................ ........... 480
RR. Uraian Materi ................................ ................................ ....................... 481
KOMPONEN REM SISTEM HIDROLIK ................................ ................................ ....... 481
KOMPONEN REM SISTEM PNEUMATIK ................................ ................................ 503
SS. Rangkuman ................................ ................................ .......................... 513
TT. Evaluasi ................................ ................................ ................................ 514

BAB 11 Sistem Rem Hidrolik dan Pneumatik ...................................... ...... 515
UU. Deskrips i ................................ ................................ .............................. 515
VV. Tujuan Pembelajaran ................................ ................................ ........... 517
WW. Materi ................................ ................................ ................................ 518
SISTEM REM HIDROLIK ................................ ................................ ............................ 518
SISTEM REM PNEUMATIK ................................ ................................ ....................... 542
XX. Rangkuman ................................ ................................ .......................... 565
YY. Evaluasi ................................ ................................ ................................ 566

DAFTAR PUSTAKA ................................ ................................ .......................... 567