Other crankshaft journals cannot be ground longer.
Rounded corner of crank pins and journals R4+0.5 mm
Crankshaft end float 0.100 - 0.380 mm
Maximum permissible ovality and other deformity
of crank pins or journals
0.03 mm
Crankshaft unbalance 1.0 Ncm max.
Number of teeth on trigger wheel 60-2
2.1.8 Flywheel
Flywheel
Interference fit between ring gear-flywheel 0.425 - 0.600 mm
Before fitting the ring gear, heat up to a
temperature of
150 - 200°C
Flywheel unbalance 1.0 Ncm max.
Maximum permissible axial wobble of flywheel
clutch face, measured at inner edge of clutch face
on diameter 200
0.06:ø200
2.1.9 Balancing unit
Balancing unit (44 and 49 engines)
Tooth backlash:
• crankshaft ring gear-balancer weight gear wheel
0.1 - 0.3 mm
• between the balancer weight gear wheels
0.05 - 0.250 mm
Balancing weights end float 0.1 - 0.3 mm
Shaft diameter at bearing surfaces 36.000 - 36.016 mm
Bearing bushing inner diameter (fitted) 36.050 - 36.075 mm
Diameter of holes in body for shafts, rear end 36.058 - 36.083 mm
Diameter of holes in body for shafts, front end 35.958 - 35.983 mm
Shim thickness, cylinder block-balancer unit 0.2 mm
2.1.10 Timing gears
Timing gears
Tooth backlash 0.05 - 0.25 mm
Maximum permissible side wobble of gears 0.05 mm
2. Specifications
2-12 4th Generation Engines
8370 79492
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