Doosan DL200-3 Manuale d'uso - Pagina 16
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Replacing a Valve Stem Seal
1.
Remove valve according to the work description for
Removing valves.
2.
Remove valve stem seal with a pair of pliers.
3.
Install the valve.
4.
Carefully tap a new valve stem seal into place using tool 99
323 and a hammer.
Replacing the Valve Seats
1.
Remove valve seat inserts with an expanding sleeve from
the kit with puller 587 270 (1, Figure 22).
NOTE:
Insert,
between the cylinder head and counterhold to
protect against damage.
AVOID DEATH OR SERIOUS INJURY
Wear protective goggles for eye protection from flying
metal parts.
Engine
Page 36
for
example,
an
aluminum
WARNING
Figure 20
Figure 21
sheet
Figure 22
FG020261
99 323
FG020262
1
2
FG020266
SP002541