WinGD RT-flex50DF - Used Piston Rings − Installation

Maintenance3425−1/A1
Winterthur Gas & Diesel Ltd.
8/ 9
3.4 Used Piston Rings − Installation
For the ring types and their locations, see Table 3.
Table 3: Standard Piston Ring Locations
Ring Type Material Application
Top Piston Ring
1 x GTP1CC17 (gas tight)
chrome-ceramic layer
For new and fully
honed cylinder liners
and used cylinder
liners in good
condition
Middle Piston Ring
1 x SCP2CC15 (straight cut)
chrome-ceramic layer
Bottom Piston Ring
1 x SCP2CC15 (straight cut)
chrome-ceramic layer
CAUTION
Damage Hazard: Do not open the piston rings too far. This will
cause damage to the piston rings.
Note: Only install piston rings that are in a satisfactory condition. Make sure
that the mark TOP, on the piston ring, points up.
Note: The piston rings must be installed in the same position as before. Use
your recorded notes.
Note: Make sure that you use tool (94338, Fig. 7) to install the piston rings.
1) Install the bottom piston ring (4) to the piston head.
2) Install the middle piston ring (3) to the piston head.
3) Install the top piston ring (1) to the piston head. Make sure that the ring
clearance (5) is opposite the ring clearance (2) of the middle piston ring (3).
Fig. 7
1
4
3
5
2
WCH02682
WCH02956
2016
Piston Rings and Grooves − Rate of Wear Three Piston Rings