Sabtu, 23 Juli 2011

BEDAH CATERPILLAR 3412C 735 BHP/584 BKW

CAT 3412C mesin ini digunakan untuk penggerak generator dengan kapasitas 500kva,450v,60hz,1800rpm.berikut data.....


model:............................ 3412c.12 cylinder
type..............................4 cycle
asppiration.......................turbocharged
bore/stroke in/mm.................5.4(137.2)/6.0(152.4)
displacement cu.in/litre................1649/27.0
engine speed rpm........................1800
maximum fuel consumption us.gal/hr(litre/hr)...32.5/123.o
rasio kompresi..........................15.6:1
valve per cylinder......................4
timing order............................1-4-9-8-5-2-11-10-3-6-7-12
valve lash setting INLET/EXHAUST........0.38mm(.15 in)/0.76mm(.30 in)



ROCKER ARM:
-BORE IN ROCKER ARM FOR SHAFT(NEW)........24.803mm-+0.013mm(.9765 in-+.0005in)
-DIAMETER OF SHAFT(NEW)...................24.750mm-+0.013mm(.9744 in-+.0005in)

VALVE:
-HEIGHT TO TOP OF DOWEL...................53.3mm-+0.5mm(3.10in-+0.02in)
-DIAMETER OF DOWEL........................11.008mm-+0.003mm(.4334in-+.002in)
-BORE IN BRIDGE FOR DOWEL.................11.13mm-+0.05mm(.438in-+.002in)
-BORE IN HEAD FOR DOWEL...................10.968mm-+0.020mm(.4318in-+.0008in)
-DIAMETER OF VALVE LIFTER.................27.896mm-+0.013mm(1.10050in-+.00075in)
-BORE IN BLOCK FOR VALVE LIFTER...........27.9527mm-+0.0190mm(1.10050in-+.00075in)

CYLINDER BLOCK:
1-BORE IN THE BLOCK FOR THE CAMSHAFT BEARING(7 BORES).....76.835mm-+0.018mm(3.0250in-+.0007in)
2-BORE IN THE BLOCK FOR THE MAIN BEARING.....
STANDARD SIZE(NEW).....129.891-+0.013mm(5.1138in-+.0005in)
-LARGER THAN ORIGINAL SIZE.....130.526mm-+0.013mm(5.1388in-+.0005in)

CRANKSHAFT:
-DIAMETER OF CRANKSHAFT JOURNAL(BEARING SURFACE)FOR CONECTINGROD
1-ORIGINAL SIZE JOURNAL...97.028mm-+0.020mm(3.8200in-+.0008in)
2-UNDERSIZE JOURNAL 0.64mm(0.25in)...96.393mm-+0.020mm(3.7950in-+.0008in)
3-UNDER SIZE JOURNAL 1.27mm(0.050in)...95.758mm-+0.020(3.7700in-+.0008in)
-DIAMETER OF CRANKSHAFT JOURNAL(BEARING SURFACE) FOR MAIN BEARING:
1-ORIGINAL SIZE JOURNAL..................120.650mm-+0.020mm(4.7500in-+.0008in)
2-UNDERSIZE JOURNAL 0.64mm(0.025in)......120.015mm-+0.020mm(4.7250in-+.0008in)
3-UNDERSIZE JOURNAL 1.27mm(0.050in)......119.380mm-+0.020mm(4.7000in-+.0008in)

CAMSHAFT:
-DIAMETER OF JOURNAL FOR THE CAMSHAFT BEARING(NEW).....69.850mm-+0.013mm(2.7500in-+.0005in)
-BORE IN FRONT and REAR BEARING FOR THE CAMSHAFT.....69.969mm-+0.048mm(2.7547in-+0.0019in)
-BORE IN THE INNER BEARING FOR THE CAMSHAFT.....69.982mm-+0.061mm(2.7552in-+.0024in)

PIN PISTON and PISTON PIN BORE:
-PIN PISTON DIAMETER................50.795mm+0.005mm(i.9998in+0.0002in)
-BORE IN PISTON FOR PIN.............50.814mm+0.004mm(2.0006in+0.0002in)

-BORE IN LINER(NEW).................137.185mm+0.025mm(5.401in+0.001in)

VALVE and VALVE SEAT:
-DIAMETER OF VALVE HEAD EXHAUST......41.81mm-+0.13mm(1.646in-+.005in)
-DIAMETER OF VALVE HEAD INLET........44.98mm-+0.13mm(1.771in-+.005in)
-DIAMETER OF VALVE STEM(NEW).........9.441mm-+0.010mm(.3717in-+.0004in)
-BORE IN VALVE GUIDE.................9.487mm-+0.025mm(.3735in-+.0010in)
-DEPTH OF BORE IN HEAD FOR VALVE SEAT INSERT...13.01-+0.35mm(.512-+.014in)
-DIAMETER OF VALVE SEAT INSERT FOR EXHAUST VALVE...42.850-+0.013mm(1.6870-+.0005)
-BORE IN HEAD FOR VALVE SEAT INSERT FOR EXHAUST VALVE...42.774-+0.025mm(1.6840-+.0010in)
-DIAMETER OF VALVE SEAT INSERT FOR INLET VALVE...46.025mm-+0.013mm(1.8120in-+.0005in)
-BORE IN HEAD FOR VALVE SEAT INSERT FOR INLET VALVE...45.949-+0.025mm(1.8090-+.0010in)
-OUTSIDE DIAMETER OF THE FACE OF THE VALVE SEAT INSERT:
.EXHAUST SEAT...........40.41mm-+0.13mm(1.591in-+.005in)
.INLET SEAT.............44.04mm-+0.13mm(1.734in-+.005in)
-THICKNESS OF VALVE LIP EXHAUST VALVE.....2.03mm(0.080in)
-THICKNESS OF VALVE LIP INLET VALVE.......2.51mm(0.099in)
-MAXIMUM PERMISSBLE DIMENSION(NEW):
.BELOW RECESSED FROM MACHINE FACE.....1.22mm(0.048in)
.ABOVE EXTENDED FROM MACHINE FACE.....0.04mm(0.0016in)
-MAXIMUM PERMISSIBLE DIMENSION (RECONDITIONED):
.BELOW RECESSED FROM MACHINE FACE.....1.70mm(0.067in)
.ABOVE EXTENDED FROM MACHINE FACE.....0.04mm(0.0016in)

CONNECTING ROD:
-BORE IN CONNECTING ROD FOR PISTON PIN BEARING.....55.436mm-+0.013(2.1825in-+.0005in)
-BORE IN BEARING FOR PISTON PIN................50.830mm-+0.008mm(2.0012in-+.0003in)
-DIAMETER OF PISTON PIN........................50.795mm-+0.005mm(1.9998in-+.0002in)
-BORE IN BEARING FOR CRANKSHAFT................97.119mm-97.175mm(3.8236in-3.8258in)
-BORE IN CONNECTING ROD FOR BEARING............103.500mm+0.013mm(4.0748in+0.0005in)

CLEARANCE DATA:
-DISTANCE BETWEEN OF MAGNETIC PICK-UP and GEAR.....0.56mm-0.84mm(.022in-.033in)
-INLET VALVE LASH.............................0.38mm(.015in)
-EXHAUSTVVALVE LASH...........................0.76mm(.030in)
-BEARING FOR CONNECTINGROD and CRANK-PIN JOURNAL...............0.071mm-0.168mm(.0028in-.066in)
-MAXIMUM PERMISSIBLE CLEARANCE BEARING and JOURNAL.....0,25mm(.010in)
-BEARING FOR MAIN BEARING and CRANKSHAFT JOURNAL.......0.091mm-0.186mm(0.0036in-.0073in)
-MAXIMUM PERMISSIBLE CLEARANCE BEARING and JOURNAL.....0.025mm(.010in)
-CAM-SHAFT.............................................0.10mm-0.25mm(.004in-.010in)
-RING PISTON:
1.TOP RING.....................0.724mm-+0.19omm(.0285in+.0075in)
2.INTERMEDIATE RING............1.080-+0.190mm(.0425in-.0075in)
3.OIL CONTROL RING.............0.08mm(.0003in)
-PISTON PIN....................................0.007mm-0.033mm(.0003in-.0013in)
-CONNECTING ROD BEARING and CRANKSHAFT.........0.0071mm-0.168mm(.0028in-.0066in)
MAXIMUM PERMISSIBLE CLEARANCE..................0.25mm(.010in)

TORQUE BOLT:
-EXHAUST MANIFOLD:
1.FOR EIGHT EXHAUST MANIFOLD STUDS IN EACH CYLINDER HEAD.....3/8in BOLT 35-+5Nm(26-+4lb.ft)
2.REMAINING 3/8in BOLT(2)......................................45-+7Nm(33-+5lb.ft)
-CYLINDER HEAD 3/4in BOLT:
1.14 IN NUMBER SEQUENCE TO...................................270-+25Nm(200-+20lb.ft)
2.14 IN NUMBER SEQUENCE TO...................................470-+20Nm(345-+15lb.ft)
3.14 IN NUMBER SEQUENCE AGAIN TO.............................470-+20Nm(345-+15lb.ft)
-ROCKER ARM 3/4in BOLT:
1.15-26 IN NUMBER SEQUENCE TO................................270-+25Nm(200-+20lb.ft)
2.15-26 IN NUMBER SEQUENCE TO................................450-+20Nm(330-+15lb.ft)
3.15-26 IN NUMBER SEQUENCE AGAIN TO..........................450-+20Nm(330-+15lb.ft)
-HOLE THE PISTON COOLING TUBES...............................25-+7Nm(18-+5lb.ft)
-HOLE THE CAPS FOR THE MAIN BEARING..........................258-+14Nm(190-+10lb.ft)
-CONNECTING ROD BOLT(NUTS)...................................80-+8Nm(60-+6lb.ft)
-OIL PUMP,IDLER GEAR.........................................55-+7Nm(40-+5lb.ft)












Tidak ada komentar:

Poskan Komentar