11B. Piston Overhaul
11B.1
General
All the engines mentioned in the table below are fitted with composite
type pistons.
Manufacturer/ type marked in Instruction Manual
Fastening screws for the
crown
W32
32LN
W32DF
W34SG
KS
/
(type
1)
Four
(4)
M16
screws
X(1)
X
X
Mahle
/
(type
2)
Two
(2)
M22
screws
X
X
X
Wecometal
/
(type
3)
Four
(4)
M14
screws
X
X
Note! (1) On W32 KS-piston crown, there is only an inner support surface.
For these pistons it is necessary to make more extensive inspections
at every piston overhaul.
Pistons
Piston
of
type
1
Piston
of
type
2
Piston
of
type
3
Fig 11B-1
321180200112
32-200138
Piston Overhaul
Appendix B