MWM TBD 232-V8

perakitan engine 232-v8 yang perlu diperhatikan clearance TAPPET karena sistim lubrikan oil rocker arm diinjeksikan dari tappet kelubang tengah pussrod selanjutnya ke bush rocker arm dan clearance bearing bush SHAFT BALANCING karena sistim lubrikan diinjeksikan dari bearing bush depan masuk kelubang shaft selanjutnya ke bearing bush ke 2,3,4.disamping clearance bearing lainnya......


BEARING CLEARANCES:
main bearing radial :0,12-0,17 mm
thrush bearing radial/axial :0,12-0,17/0,12-026 mm
connecting rod bearing radial/axial :0,09-0,135/0,50-080 mm
connecting rod bushes piston pins -radial:0,05-0,08 mm
camshaft bearing -radial/axial :0,06-0,11/0,10-0,29 mm
BEARING FOR COMPENSATION:
of masses 6cyl -radial/axial :0,06-0,11/0,10-0,29 mm
of masses 8cyl -radial/axial :0,06-0,11/0,05-0,20 mm
rocker arm bush -radial/axial :0,02-0,07/0,05-0,46 mm
CYLINDER HEAD:
valve seat of measured from cylinder head bottom to lower edge of valve plate:
normal :1,20-1,50 mm
max permissible :1,8 mm
limit measure overhouling :2,0 mm
valve guide bore :11,000-11,018 mm
valve stem dia :10,955-10,970 mm
ROCKER ARM clearance shaft and bush-radial/axial:0,020-0,07/0,05-0,46 mm
PISTON clearance distance from upper edge of piston to upper edge of collar of cylinder liner :1,15-1,40 mm
PISTON RING clearance :0,4-0,6 mm. max permissible:1,3-1,5 mm
GUDGEON PIN AND BUSH clearance:0,05-0,08 mm. max permissible:0,2 mm

TIGHTENING TORQUE FOR IMPORTAN SCREWS IN mkp:
shaft for injection pump drive:m8-10,9 t.3,0+0,5
camshaft whell :m8-10,9 t.3,0+0,5
rocker arm bracket :m10-10,9 t.6,5+0,5
vibration damper :m12-8,8 t.7,5+0,5
injection valve fixing screw :m10-8,8 t.2,5+0,5
flywheel housing :m12-8,8 t.7,5+0,5
v.belt pulley on crankshaft :m14-10,9 t.14,0+1
coupling or injection timer :m14x1.5 t.8,0+1
connecting rod screw :m16x1.5 t.23,0+1
flywheel :m16x1.5 t.22,0+1
cylinder head :m16x1.5 t.19,0-21,0
bearing cover :m18-10,9 t.28,0+1
bearing journal for fan drive :m14x1.5 t.15,0+1
suporting base of cooler :m12-8,8 t.7,5+0,5
suporting base of cooler :m12-10,9 t.11,5+0,5
oil pan fastening :m8-8,8 t.2,5+0,5
vibration damper :m16x1.5 t.22,5+1