Wartsila RT-flex50-D - Page 53

Maintenance
0330−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
23/ 25
Group
Key No.
Description Measuring
direction
(method of
measuring)
Nominal
dimension
(normal, new)
[mm]
Maximum clearance,
dimension
(due to wear)
[mm]
5552 Supply unit
1 Pinion outer ∅
80
0
− 0.019
Bearing (fitted) inner ∅
80
+ 0.10
+ 0.085
2 Bearing clearance radial 0.085−0.119
3 Axial clearance total 0.25−0.54 0.7
5552 Camshaft unit
4 Cam shaft outer ∅
120
0
− 0.022
5 Bearing clearance radial 0.10−0.19
6 Axial clearance total 0.2−0.5 0.7
7 Tooth backlash 0.12−0.22
*8 Minimum clearance 2
* Minimum clearance between cam and roller with fuel pump cut out.
2010
C
learance Table
S
upply Unit