Maintenance
0330−1/A1
Winterthur Gas & Diesel Ltd.
23/ 25
Fuel and Servo Pump Units
Group
Key No.
Description Measuring
Direction
(method of
measuring)
Nominal
Dimension
(usual, new)
[mm]
Maximum Clearance,
Dimension
(because of wear)
[mm]
5552 Fuel pump unit
1 Bearing clearance radial 0.153−0.237 0.33
2 Axial clearance total 0.30−0.65 0.81
3 Cam shaft outer ∅
180
0
− 0.025
5552 Servo pump unit
4 Pinion outer ∅
120
0
− 0.022
4 Bearing clearance radial 0.14−0.252 0.31
5 Axial clearance total 0.25−0.54 0.85
Clearance Table
2015−12
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