Wartsila RT-flex50-D - Page 37

Maintenance
0330−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
7/ 25
Group
Key No.
Description Measuring
direction
(method of
measuring)
Nominal
dimension
(normal, new)
[mm]
Maximum clearance,
dimension
(due to wear)
[mm]
3326 Crosshead guide
1 Guide way (column) transverse 812
2 Guide shoe transverse
812
− 0.20
− 0.30
3 Guide shoe clearance 0.20−0.90 1.0
4 Guide rail, lateral clearance total 0.80−1.60 2.0
*5 Guide shoe, lateral clearance total 0.10−0.60
6 Guide shoe, bearing pin outer ∅
532
−0
− 0.044
Guide shoe, bearing bore inner ∅
532
+ 0.101
0.640
7 Bearing clearance radial 0.064−0.145 0.25
For measuring of clearances see instructions in 3326−1.
Clearance 3 is only valid with tie rods tightened.
* Clearance 5 refers to spacing between white metal of guide shoe and con-
necting rod and must be measured nearby holding plates ’HB’ which must rest
on crosshead pin at ’x’.
2010
C
learance Table
C
rosshead Guide