Volvo D 20 Service Manual page 37

Group 21 Engine
{r*,t
Cylinder head, disassemt'/y
E8
Tap out swirl chambers
Use a long narrow punch (6 mm - 0.24 in diameter),
l e n g t h 1 5 0 m m ( 6 i n ) .
E9
Remove valve springs and valves
lmportant! Do not intetchange pans.
Depress valve springs with a special compressor tool
- upper spnng seat
- springs
E 1 0
Remove seals trom valve guides
Use tool 5219,
D
Remove lower valve spring
U s e a p a i r o f e x t e r n a l l o c k r i n g
E l 1
pliers with flat jaws.
35