Maintenance
0330−1/A1
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
19/ 25
Group
Key No.
Description Measuring
direction
(method of
measuring)
Nominal
dimension
(normal, new)
[mm]
Maximum clearance,
dimension
(due to wear)
[mm]
3403 Piston crown
1 Crown outer ∅
574.7
0
− 0.2
2 Crown outer ∅
577.8
0
− 0.2
3403
3425
Piston ring grooves
3 Height of the uppermost groove vertical
16
+ 0.40
+ 0.35
4 Height of the two lower grooves vertical
16
+ 0.35
+ 0.30
5 Groove depth radial 19.50
3425 Piston rings
Ring height vertical
16
0
− 0.03
Point A Point B
6 Ring clearance vertical 0.35−0.43 0.60 0.75
7 Ring clearance vertical 0.30−0.38 0.55 0.70
8 Ring width radial
19 ± 0.25
3403 Piston skirt
9 Skirt outer ∅
579.2
− 0
− 0.2
min. 578
3403 Piston rod
10 Rod outer ∅
220
− 0.050
− 0.096
min. 219.3
Used piston rings may be refitted if they will keep within their min. ring width until
the next overhaul (for judging and reusing piston rings see also 3425−1).
For evaluating and reusing piston heads see 3425−1).
Clearance Table
Piston and Piston Rings
2013-08
To Next Page
Loading...
