Volvo D 20 Service Manual page 67

Group 21 Engine
Timing gear belrc, replacement
L21
Disconnect cold start device
Slacken screw 1. Push lever foNard and rotate sleeve
90'.
Note!Do notturn screw2 otherwise it llbe necessary
to remove cold startdevice and resetit on a test bench,
Press back lever against stop.
L22
Basic-set inieciion pump
Slacken pump mounting bolts (Allen key = 6 mm).
Align marks on pump and mounting bracket by turning
p u m p . R e t i g h t e n m o u n t i n g b o l t s .
Set dial indicator zero. Lock
inlection using stop 5193
Unscrew and rernove plug from
L23
pump gear at cyl. 1
i n j e c t i o n p u m p d i s t r i
Install holder 5194 and dial indicator {range 0 3 mm).
Set gauge to approx.2 mm.
Turn pump gear clockwise until mark on gear and
mounting bracket coincide.
T h e n t u r n b a c k p ! m p g e a r s i i g h t l y u n t i l m i n r e a d i n g
r e g i s t e r s o n d i a l i n d i c a t o r .
Set indicator to zero.
I ! r n p u m p g e a r c l o c k w i s e u n t i l m a r k o n g e a r a n d p u m p
m o u n t i n g b r a c k e t c o i n c i d e . L o c k g e a r i n t h i s p o s i t i o n
w i l h s t o p 5 1 9 3 . ( l n s e r t s t o p t h r o u g h p u m p g e a r i n r o
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