77
81
79
78
80
82
C B(g.82) A(g.81)
STD 27,77÷
27,92
28,00÷
28,05
0,08÷0,28
27,97÷
28,12
28,20÷
28,25
28,07÷
28,22
28,30÷
28,35
28,17÷
28,32
28,40÷
28,45
6
Rif.
A
0,08÷0,28
B 28,00÷28,05
- 54 - - 54 -
Disassembly / Reassembly
Grease the shoulder half-rings so that they will remain in their
seatsduringassembly.
Halves should be tted with grooves A as shown in the gure
77-78.
Thrustbearingthickness =2.31÷2.36mm;oversizehalveswith
thicknessincreasedby0.1and0.2mmareavailableasspares.
Thrust bearing, oversizes
GrindingBaccordingtotheabovetable,followinghalf-ringscan
beassembled:
1
st
Oversize:
Half-rings1and2,onboththesupportsides+0.10mm.
2
nd
Oversize:
Half-rings 1 and 2, on onesupport side +0.10 mmand on the
otherside+0.20mm.
3
rd
Oversize:
Half-rings1and2,onboththesupportsides+0.20mm.
Crankshaft end play
AftertighteningmainbearingsmeasuretheendplayA between
the crankshaft shoulder on the ywheelside and main bearing
halves.
Iftheendplaydoesnotfallwithinthegivenvaluescheck Band
possiblyttheoversizethrustbearings.
Clearance (mm)
1stOversize
2ndOversize
3rdOversize
Workshop Manual KDW 1603_2204_2204/T _ cod. ED0053029180 - 1° ed_rev. 00