Maintenance3425−1/A2
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
6/ 7
4. Removing piston rings
For removing piston rings 1, always use the corresponding tensioning device with
its specially designed claws 4 preventing the coating from being chipped off at the
ring ends:
Claws 94338A must be fitted onto piston ring tensioning device for the 1
st
gastight
piston ring ’a’ (see also Tool List 9403−5).
To prevent deformation it is of the utmost importance not to open the rings
more than absolutely necessary, i.e. allowing removal over the piston
crown.
⇒ Thoroughly clean piston, piston rings and piston ring grooves.
D Take care not to damage the chromed surfaces.
F
017.681/08
1
4 (94338A)
94338
2013-08
Checking Wear of Piston Rings and Ring Grooves with Three Piston Rings
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