Volvo D 20 Service Manual page 54

Group 21 Engine
Cylinder head, installing
H22
Set pump and tighten camshaft rear sprocket
Use5199to hold sprocket Torquewrench should be al
right angle to wrench 5201 otherwise torque wl I be
Using 5199, turn sprocket slowlv clockwise ontiL dial
D 2 0 . . . . . . . . . . . . . . . . . . . . . . . . - . . . .
. .
- . . 0 8 0 m r n = 0 0 3 1 5 i n
D 24 .......................
.. . ..
0 70 mm = 0.0276 in
D 24 USAJCanada
1979 81 ........-................
.. . .
... 0-70mrn = 0 02761n
1982 ...............
.. . . ..
0 85 mm :0 0335 in
Hold sprockel in this posiiion and torque boll to 100 Nm
(73 ft lbs). Take care that camshait and sprocket do not
H23
Remove stop 5193 from pump gear
H24
Check pump setting
T u r n e n g i n e t w o f u l l t u r n s u n i i c y l . 1 i s a t t o p d e a d
c e n t e r - i n j e c t i o n , a g a i n . l i e n g i n e i s t u r n e d l o o f a r i t
m u s t b e l L r r n e d b a c k a p p r o x . 1 / 4 l u r n a n d t h e n t o z e r o
m a r k o t h e l w l s e s e t i i n g w i l b e i n c o r e c t
D i a l i n d l c a t o r s h o u d s h o w :
D 2 0 . . . . . . . . . . . . . . . . . . . . . . . . . . .
0 . 7 F 0 . 8 3 m m : 0 . 0 2 9 5 - 0 . 0 3 2 7 i n
D 2 4 . . . . . . . . . . . . . . . . . . . . . . . . . . .
0 . 6 F 0 . 7 3 m m = 0 . 0 2 5 6 0 . 0 2 8 7 i n
D 2 4 U S A a n d C a n a d a
1 9 7 9 - 1 9 8 1 . . . . . . - . . . . . . . . . .
0 . 6 F 0 . 7 3 m r n : 0 . 0 2 5 6 - 0 . 0 2 8 7 l n
1 9 8 2 - . . . . . . . . . . . . . . . . . . . . . . . . .
0 . 8 2 - 0 . 9 0 m n r = 0 . 0 3 2 3 - 0 . 0 3 5 4 i n
C o r r e c t r e a d i n g : T i g h t e n i n j e c t i o n p u m p m o u n t i n g
I n c o r e c t r e a d i n g r B e a d j u s t a c c o r d i n g t o i n s i r u c i i o f s
Readiusting pump setting:
D 2 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - . . . . . . . . .
0 , 8 0 m m : 0 . 0 3 1 5 i n
D 24 ..........-....-.................................
0.70 mm = 0.0276 n
D 2 4 U S A a n d C a n a c l a l 9 T 9 l g S l 0 . 7 0 m m - 0 . 0 2 7 6 i n
1982- .......... 0.85 mm = 0.0335 in
Reading less than specified:
Slacken pump mouniing bohs and turn pump anwards
to obtain correct value. Tighten mounilng bolts and
repeat check oi punrp sett n9s.
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W'r
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