Volvo D20 - Page 48

Group 27 Reconditioning engine
Cylinder
head, c1eaning - inspection
F. Cylinder head, cleaning - inspection
46
Fl
Check clearance between valve guides and
valve.
Use a dial indicator.
Use new valves (intake and exhaust)
with end of valve
stem fJush with vaJve guide.
Clearanee = 1.3 mm (0.05 in).
Check camshaft end float
Use a diaJ indicator.
F2
Position camshaft and install rear cap. Torque to 20
Nm (15 f t Ibsl.
Clearance
= max 0.15 mm (0.006 in).
Aemove eap and camshaft.
Check discs
F3
Check disc play. Aeplaee dise if worn or scored.
Install dises with numbers facing down, towards tap-
pets.
Clearance, new parts ....................... 0.016-0.046 mm
(0.0006-0.0018 in)