transmisi manual (manual transmission)
DESCRIPTION
TRANSMISI MANUAL (Manual Transmission). FUNGSI : 1. Memperbesar momen puntir (torque) pada waktu start atau mendaki. 2. Memundurkan kendaraan. Prinsip Kerja : Merubah kecepatan putar mesin dengan cara menggunakan transmisi roda gigi. - PowerPoint PPT PresentationTRANSCRIPT
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TRANSMISI MANUALTRANSMISI MANUAL(Manual Transmission)(Manual Transmission)
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FUNGSI :FUNGSI :
1. Memperbesar momen puntir (torque) pada1. Memperbesar momen puntir (torque) pada
waktu start atau mendaki.waktu start atau mendaki.
2. Memundurkan kendaraan.2. Memundurkan kendaraan.
Prinsip Kerja :Prinsip Kerja :
Merubah kecepatan putar mesin dengan Merubah kecepatan putar mesin dengan
cara menggunakan transmisi roda gigicara menggunakan transmisi roda gigi
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KENDARAAN LEWAT JALAN RATAKENDARAAN LEWAT JALAN RATA(tidak perlu momen yang besar)(tidak perlu momen yang besar)
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PRINSIP KERJA MOMEN SAAT LEWAT JALAN RATAPRINSIP KERJA MOMEN SAAT LEWAT JALAN RATA
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KENDARAAN LEWAT JALAN NAIKKENDARAAN LEWAT JALAN NAIK(perlu momen yang besar)(perlu momen yang besar)
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PRINSIP KERJA MOMEN SAAT LEWAT JALAN NAIKPRINSIP KERJA MOMEN SAAT LEWAT JALAN NAIK
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DASAR RODA GIGI TRANSMISIDASAR RODA GIGI TRANSMISI
GEAR RATIO = iGEAR RATIO = i
i = i = B (jml gigi pengrk) B (jml gigi pengrk)
A (jml gg.yg.digrkn)A (jml gg.yg.digrkn)
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(lanjutan)(lanjutan)
I = I = BB X X DD
A CA C
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(lanjutan)(lanjutan)gerak mundurgerak mundur
I = I = BB x x EE x x DD
A C EA C E
I = I = BB x x DD
A CA C
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TIPE TRANSMISI
TRANSMISI OTOMATIS(A/T)
TRANSMISI MANUAL(M/T)
SLIDINGMESH
CONSTANMESH
SINCHROMESH
SEMIAUOTOMATIC
FULLAUTOMATIC
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DIAGRAM TUAS TRANSMISIDIAGRAM TUAS TRANSMISI
R 2
1 3
1 3 R
2 4 R 4 2
3 1
1 3 5
22 4 R
4 2 R
5 3 1
1 3 5 R
2 4 6
N N N
N N N
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CONTOHCONTOH
MITSUBISHI FUSOMITSUBISHI FUSO
FM 517 FFM 517 F
FM 517 HFM 517 H
66
SPEEDSPEED
2 – 6 : SYNCHROMESH2 – 6 : SYNCHROMESH
1 & R : CONSTANT MESH1 & R : CONSTANT MESH
NISSANNISSAN
CDA 6X2CDA 6X2
CWA 6X4CWA 6X4
55
SPEEDSPEED
2 – 5 : SYNCHROMESH2 – 5 : SYNCHROMESH
1 & R : CONSTANT MESH1 & R : CONSTANT MESH
TOYOTATOYOTA
DYNA RINODYNA RINO
55
SPEEDSPEED
1 – 5 : SYNCHROMESH1 – 5 : SYNCHROMESH
DAIHATSUDAIHATSU
HIJET ZEBRAHIJET ZEBRA
44
SPEEDSPEED
1 – 4 : SYNCHROMESH1 – 4 : SYNCHROMESH
R : SELECTIVE SLIDINGR : SELECTIVE SLIDING
GEARGEAR
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TRANSMISI KENDARAAN FRTRANSMISI KENDARAAN FR
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TRANSMISI KENDARAAN FFTRANSMISI KENDARAAN FF
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GAMBAR SKEMA TRANSMISI KENDARAAN FFGAMBAR SKEMA TRANSMISI KENDARAAN FF
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TRANSMISI SUZUKI KARIMUNTRANSMISI SUZUKI KARIMUN
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MEKANISME PENGONTROL PEMINDAH GIGIMEKANISME PENGONTROL PEMINDAH GIGI(tipe column shift)(tipe column shift)
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MEKANISME PENGONTROL PEMINDAH GIGIMEKANISME PENGONTROL PEMINDAH GIGI( tipe floor shift)( tipe floor shift)
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TIPE PENGONTROL LANGSUNGTIPE PENGONTROL LANGSUNG(DIRECT CONTROL)(DIRECT CONTROL)
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KEUNTUNGAN DIRECT CONTROLKEUNTUNGAN DIRECT CONTROL
1. Posisi tuas pemindah dapat diketahui lebih mudah.1. Posisi tuas pemindah dapat diketahui lebih mudah.
2. Pemindahan gigi dapat lebih cepat.2. Pemindahan gigi dapat lebih cepat.
3. Pemindahan gigi lebih lembut dan mudah3. Pemindahan gigi lebih lembut dan mudah
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FUNGSI RING SINKROMESHFUNGSI RING SINKROMESH
1. Menyamakan (mensinkronkan) putaran poros out put 1. Menyamakan (mensinkronkan) putaran poros out put
transmisi dengan putaran gigi kecepatan yang transmisi dengan putaran gigi kecepatan yang
dikerjakan pada saat perpindahan gigi transmisi.dikerjakan pada saat perpindahan gigi transmisi.
2. Mempermudah perpindahan gigi transmisi.2. Mempermudah perpindahan gigi transmisi.
3. Memperlembut perpindahan gigi transmisi.3. Memperlembut perpindahan gigi transmisi.
4. Perpindahan gigi transmisi dapat dilakukan saat mobil 4. Perpindahan gigi transmisi dapat dilakukan saat mobil jalan.jalan.
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KERUSAKAN PADA TRANSMISIKERUSAKAN PADA TRANSMISI
1.Keausan porok pemindah1.Keausan porok pemindah
2.Keausan ring sinkromesh2.Keausan ring sinkromesh
3.Keausan bearing poros3.Keausan bearing poros
4.Keausan mekanisme4.Keausan mekanisme
pemindah gigipemindah gigi
5.Keausan gigi-gigi roda gg5.Keausan gigi-gigi roda gg
6.Kebocoran seal poros6.Kebocoran seal poros
7.Kebocoran gasket7.Kebocoran gasket
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TEKNIK PEMERIKSAAN RING SINKROMESHTEKNIK PEMERIKSAAN RING SINKROMESH
1. Pengukuran celah antara ring sinkromesh dengan side 1. Pengukuran celah antara ring sinkromesh dengan side gear gigi kecepatangear gigi kecepatan
2. Pengukuran lebar coakan pasak2. Pengukuran lebar coakan pasak
3. Pemeriksaan gigi ring sinkromesh3. Pemeriksaan gigi ring sinkromesh
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PEMERIKSAAN RING SYNCRONIZERPEMERIKSAAN RING SYNCRONIZER
Celah “a”standard : Celah “a”standard :
1,0 – 1,4 mm.1,0 – 1,4 mm.
Service Limit : 0,5 mmService Limit : 0,5 mm
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PEMERIKSAAN LEBAR COAKAN RING PEMERIKSAAN LEBAR COAKAN RING SINCHRONIZERSINCHRONIZER
Lebar “b” = 8,2 mmLebar “b” = 8,2 mm Lebar “c” = 8,8 mmLebar “c” = 8,8 mm
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PENGUKURAN CELAH RING SINKROMESHPENGUKURAN CELAH RING SINKROMESH
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PEMERIKSAAN GEAR SHIFT FORKPEMERIKSAAN GEAR SHIFT FORK
Celah “a” service limit : 1mmCelah “a” service limit : 1mm
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PEMASANGAN HIGH SPEED SYNCHRONIZER SLEEVEPEMASANGAN HIGH SPEED SYNCHRONIZER SLEEVE
Ukuran Key dan Spring LowUkuran Key dan Spring Low
Speed synchronizer lebihSpeed synchronizer lebih
Besar dari High Speed dan Besar dari High Speed dan
55th th geargear
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TRANSMISI GIGI MUNDURTRANSMISI GIGI MUNDUR
TIPE CONSTANT MESH TIPE SLIDING
SYNCROMESH
GIGI PEMBALIK
GIGI MUNDUR
GIGI COUNTER
OFFON
OFFON