UJIAN NASIONAL
TAHUN PELAJARAN 2014/2015
REPORT SHEET ujian Praktik KEJURUANOVERHAUL OHC ENGINE DAN
PEMERIKSAANNYASatuan Pendidikan
: Sekolah Menengah KejuruanKompetensi Keahlian
: Teknik Kendaraan RinganKode
: 1289Sekolah
: SMK Teknologi Plus Padang
Nama Peserta Ujian
: ..............................................
No. Ujian
: ..............................................
Hari/ Tanggal Ujian
: ............ / ...............................Waktu
: .............. WIB s/d ................WIB
I. Langkah Kerja
A. Penurunan engine dari kendaraanB. Pembongkaran komponen -
komponen engine C. Pembersihan dan menata komponenD. Pemeriksaan
komponen Engine Cylinder Block1. Pemeriksaan dinding Cylinder Block
terhadap goresan
Cylinder NoKondisi
IBaikTidak Baik
IIBaikTidak Baik
IIIBaikTidak Baik
IVBaikTidak Baik
2. Mengukur kerataan permukaan cylinder Block yang berhubungan
dengan sisi Cylinder HeadPosisiHasil (mm)
A.....................
B.....................
C.....................
D.....................
E.....................
F.....................
G.....................
3. Mengukur diameter dalam lubang Cylinder BlockCylinder NoT
(mm)C (mm)B (mm)
I...............................................................
II...............................................................
III................................................................
IV................................................................
E. Pemeriksaan Cylinder Head & Piston Assy1. Ukur kerataan
permukaan Cylinder Head yang berhubungan dengan sisi Cylinder Block
PosisiHasil (mm)
A.....................
B.....................
C.....................
D.....................
E.....................
F.....................
G.....................
2. Mengukur diameter pistonPiston NoT (mm)M (mm)B (mm)
I............................................................
II............................................................
III............................................................
IV............................................................
3. Mengukur Piston Ring end GapRing Piston NoT (mm)M (mm)B
(mm)
ITop
1............................................................
Top
2............................................................
Oil............................................................
IITop
1............................................................
Top
2............................................................
Oil............................................................
IIITop
1............................................................
Top
2............................................................
Oil............................................................
IVTop
1............................................................
Top
2............................................................
Oil............................................................
4. Mengukur Piston Ring Side Clearance Ring Piston NoT (mm)M
(mm)B (mm)
ITop
1............................................................
Top
2............................................................
Oil............................................................
IITop
1............................................................
Top
2............................................................
Oil............................................................
IIITop
1............................................................
Top
2............................................................
Oil............................................................
IVTop
1............................................................
Top
2............................................................
Oil............................................................
F. Pemeriksaan Crankshaft1. Mengukur diameter main journal/
crank journal crankshaftC Pin NoX (mm)Y (mm)
I.......................................
II.......................................
III.......................................
IV.......................................
2. Mengkondisikan engine dan mengukur Valve
ClearanceSilinderValve IntakeHasil (mm)Valve ExhaustHasil (mm)
I1.....................1....................
2.....................2....................
II3.....................3....................
4.....................4....................
III5.....................5....................
6.....................6....................
IV7.....................7....................
8.....................8....................
G. Melumasi komponen dan bautH. Memasang Piston RingI. Memasang
Piston and connecting rodJ. Memasang main bearing capK. Memasang
Cylinder head and Camshaft assyL. Memasang Timing belt/ Timing
chain dan Pulley/ GearM. Memasang Tensioner
N. Pemasangan engine pada kendaraanO. Running Test
II. KesimpulanKesimpulan kondisi komponen dan tindakan perbaikan
Cylinder Block
Kesimpulan kondisi komponen dan tindakan perbaikan Cylinder
Head
Kesimpulan kondisi komponen dan tindakan perbaikan Piston
Assy
Kesimpulan kondisi komponen dan tindakan perbaikan pembacaan
Piston Ring end Gap
Kesimpulan kondisi komponen dan tindakan perbaikan pembacaan
Piston Ring Side Clereance
Kesimpulan kondisi komponen dan tindakan perbaikan pembacaan
diameter Crank Journal crankshaft
..................., ........................ 2015
Hormat saya,
Peserta Ujian,
(........................................)
Mengetahui,
Penguji 1
Penguji 2
(......................................)
(.......................................)Paket
1
DOKUMEN NEGARA
Lembaran Kerja Over Haul Engine