Volvo B 21 - Engine Assembly and Final Checks; Engine Assembly Overview

Group 27 Recondirioning engine
AssembJy
Assembling, engine
54
w
..
,
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Il75§2
Elrly typa
lite typa
'37100'
7'-3,--11--5,--9
O O O O O
O O O O O
8-·4-2,----,6-·10
tt51:!fl
Fl
Check position of crankshaft and camshaft
Check that:
- No. 1 piston is at
T.D.C.
- camshaft is at T.D .C. firing for No. 1 cylinder
F2
Place gasket and cylinder head in position
Check that water pump O·ring sits correctly in groove.
Torque cylinder head screws
Two types of screws are in use.
Do not interchange different types.
lite type sereWI:
F3
- replaCil KreW$ jf they show signs of distortion. This can
usually be seen al centre of screw.
- Krews musl not be reused more than 5 times.
RepllCil ICrews
if in doubl:.
Dit screws.
Place screws in cylinder head and tighten each screw in
sequence according to
following stages.
Early typa
, "'" 60 Nm (43 ftJbs)
2 ... 110 Nm (80 tt.lbs)
Nota : Retorque early
type screws, see Fe
page 56
Latetype
1 '" 20 Nm (14 tt.lbs)
2 = 60 Nm (43 ft.lbs)
3
'" Angle-tighten 90"
f