Volvo B27A - Page 60

Group 21 Reconditioning engine
Assembly
F24
Set crankshaft statically
36 mm socket.
Turn the crankshaft so that the markforT.D.C. cylinder 1
aligns with the 20° mark on the timing scale.
Note! There are two marks on the pulley, 1 = T.D.C.
cylinder 1 and 2 = T.D.C. cylinder 6.
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•
F25
Set crankshaft at T.D.C. cylinder 1
Insert a 8 mm drill (0.315 in) in the blanking plug hole so
that it rests on the crankshaft counterweight.
Press lightly on the drill and turn the crankshaft slowly
in the normal direction of rotation until the drill fits into
the hole in the counterweight.
The engine is now set at exactly T.D.C. for cylinder 1.
F26
Check/adjust timing scale
The zero-mark on the scale must align exactly with the
mark on the pulley.
F27
Install blocking plug
Use a new seal.
Tightening torque 35-40 Nm (26-30 ft.lbs.
Before proceeding with valve clearance check:
Camshaft setting must be checked. See specifica-
tions on page 8.
C
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