Volvo D 20 Service Manual page 88

Group 21 Engine
Camshaft front seal, replacement
Reading more than specitied:
Slacken pump nrounting bolts and turn pump outwards
until dial indicator shows approx.
D 2 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 . 7 0 m m = 0 . 0 2 7 6
D 24 .................................................
0.60 rnm = 0.0236 in
D 24 USA,/Canada
1 979-1981 ......... 0.60 mm = 0.0236 in
1982-.................
0.75 mm = 0.0295 in
Then turn pump inwards until specified value is ob-
tained. Tighten mounting bolts and recheck pump set'
ting.
lf it is not possible to sei pump to above specifications
becaLse of ncuffic ert ad_Jstmelt laltude. elgiie
must be basic-set again, since camshaft and crankshaft
are probably our oi ine.
Note! Injection pump must not be tapped or knocked as
this will alter its setting.
o22
Check pump setting
Turn engine round twice and check setting,see opera
tion O20. Readjust if necessary and repeat check.
Remove dial indicator and holder
o23
o24
Install plug with new seal
Tishtening torque 9 Nm (6.5 ft bs).
{,i
0
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I
o25
Reconnect cold start device
P r e s s l e v e r f o r w a r d s a n d t u r n s l e e v e 9 0 ' . R e t i g h t e n
N o t e l D o n o t t u r n s c r e w 2 o t h e l w i s e i t w i l l b e n e c e s s a r y
10 reset cold stan device on a lest bench.
I
L:ri ii
,. _r Lr=
- i ] , r ' / n l l
86