Technical Data
0---10
Timing gears
Tooth backlash:
Crankshaft---idler gear
0,05...0,25 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Idler gear---camshaft gear
0,05...0,25 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Idler gear---fuel injection pump gear
0,05...0,25 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Max. permissible side wobble of gears
0,05 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Idler gear shaft, diameter
49,995...50,011 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inner diameter of idler gear bearing hole
89,955...89,990 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Camshaft gear hole diameter
32,000...32,025 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Camshaft end diameter
32,043...32,059 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timing marks:
Timing marks on gears are in alignment when the 1st cylinder piston is at its top dead centre between
compression and power strokes.
On crankshaft gear
2 dots on tooth
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On idler gear:
--- against crankshaft gear mark
1 dot on tooth
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--- against camshaft gear mark
1 dot on tooth
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--- against fuel injection pump gear mark
2 dots on notch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On camshaft gear
1 dot on notch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On injection pump gear
1 dot on notch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting rod
Inside diameter of piston pin bush (with bush pressed into connecting rod)
44,025...44,040 mm
. . . . . . . . . .
Outside diameter of piston pin bush (std)
48,080...48,120 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside diameter of piston pin bush (oversize 8363 38606)
48,580...48,620 mm
. . . . . . . . . . . . . . . . . . . . . . . .
Interference fit: connecting rod small end bushing---connecting rod
0,057...0,120 mm
. . . . . . . . . . . . . . . .
Connecting rod small end bore
48,000...48,025 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting rod small end bore (oversize bush)
48,500...48,525 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting rod big end bore
76,730...76,749 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Big end bearing shell thickness:
--- standard
1,833...1,842 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--- 1st undersize 0,25 mm
1,958...1,967 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--- 2nd undersize 0,50 mm
2,083...2,092 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--- 3rd undersize 1,00 mm
2,333...2,342 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--- 4th undersize 1,50 mm
2,583...2,592 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Big---end bearing clearance
0,046...0,102 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
End float (side clearance) at big---end on crankshaft
0,200...0,312 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Piston pin bushing location perpendicular to longitudinal axis of connecting
rod to be within
0,10:100
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Piston pin bushing location and big---end bearing location to be parallel to within
0,05:100
. . . . .
Weight marking (letter) at lower end.
Max. permissible weight difference between connecting rods in the same engine
20 g
. . . . .
Position of connecting rod; weight marking at valve mechanism side
(away from the combustion chamber in the piston)
Содержание 645 Series
Страница 1: ...WORKSHOP MANUAL SISUDIESEL 645 8368 41000 ...