Mercedes-Benz 603 Service Manual page 173

Basic bores
Crankshaft bearing caps (2, 3) ..............
Crankshaft bearing shells (146, 147) ..........
Crankshaft bearing caps (2, 3) . . . . . . . . . . . . . .
Crankshaft
Fitted bearing journal . . . . . . .
Crankshaft bearing caps (2, 3)
Crankshaft bearing caps (2, 3)
Crankshaft (145)
03.10 - 32012
measure conicity in directions A, B and C,
min. 62.500 mm, max. 62.519 mm (item 3).
remove (item 4).
insert (item 4).
Caution!
Do not mix up upper and lower crankshaft
bearing shells.
position in proper order, position washers (4 b)
and tighten crankshaft bearing bolts (4 and 4a)
(item 4).
Tightening torque and tightening rotation angle
crankshaft bearing bolts M 12 (4) 90 Nm
crankshaft bearing bolts M 11 (4a) 55 Nm,
90 - 100" (item 4).
. . . . . . . . . . . . measure bearing journals, determine bearing
clearance (item 5).
. . . . . . . . . . . . measure width and match appropriate thrust
washers (item 7).
. . . . . . . . . . . . remove crankshaft bearing bolts (4 and 4a),
remove caps, remove lower bearing shells (147)
and insert crankshaft (145) with thrust washers
(148, 148a), position lower bearing shells (147)
(items 8, 9). The oil grooves must point toward
the crankshaft. Oil crankshaft, bearing shells
and thrust washers.
. . . . . . . . . . . . position in correct order and tighten crankshaft
bearing bolts (4 and 4 a) (items 10, 11).
Tightening torque and tightening rotation angle
crankshaft bearing bolts M 12 (4) 90 Nm,
crankshaft bearing bolts M 11 (4a) 55 Nm,
90 - 100" .
measure end play, new value 0.100 - 0.254 mm;
wear limit 0.30 mm.
EXIT