Technical data

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ENGIR;E MAIN MECHANICA’L UN’IT’ ~
Cylinder: block hd main bearings
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Unit: mm (in)
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Inspection data
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Front bearing housing bore dia. “A” in engine block
~ :67.‘025 to 67.050 (2.6388 to 2.6398)
‘8
Front bearing inner dia. “8” in engine block
Standard
63.060 to 63,110 (2.4826 to 2.4846)
Undersize
1st
62.810 to 62.860 (2.4728 to 2.4748)
2nd
62.‘560 to 62.610 (2.4630 to 2.4650)
Intermediate bearing housing bore dia. “C” in bearing split rings (1)
66.670 to 66.687 (2.6248 to 2.6255)
Intermediate bearing inner dia. “D” in baaring
split rings (2)
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Rear bearing ‘inner dia. “E” in bearing split ring
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Standard
I 63.050 to 63.093 (2.4823 to 2.4840)
62.BOO to 62.843 (2.4724 to 2.4741)
62.:550 to 62.593 (2.4626 to 2.4643)
69.800 to 69.825 (2.7480 to 2.7490)
69.550 to 69.575 (2.7382 to 2.7392)
Rear bearin,g housing shoulder distance “F”
I
33.060 to 33.130 (1.3016 to 1.3043)
Crankshaft ;abutment flange thickness “G”
1,
7.90 to 8.10’(0.3110 to 0.3189)
Standard
2.311 to 2.362 (0.0909 to 0.0930)
Shim’rings thickness “l-l”
Oversize
1 St
2nd ~
21411 to 2.462 (0.0949 to 0.0969)
2.511 to 2.562 (0.0988 to 0.1008)
1’
(1) For thie measurement, fit.linear retaining tool A.7.0411 and tighten screws to 59 Nn (6 kg.m; 43.38 ftlb)
(2) TO ‘be measured with bearing split ring screws thightened to 39 to 44 N.m (4 to 4.5 kg.m;), ~ ,,
: May 1988
88
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OI-42
PA333500883300