Removal of Shaft Assemblies
1. Follow the procedures for removing pump head and front bearing retainers.
2. Remove product seal.
3. Remove gearcase rear cover and timing gears.
4. By gently tapping each shaft with a soft mallet, the shaft assemblies can be drawn
through the front end of the gearbox.
Bearings - General
The pump utilises taper roller bearings. These are arranged as a single front bearing and a
single rear bearing separated by a long spacer.
Fig. 5
Bearings - Removal
Removing the bearings is achieved by using a "C" spanner to release the notched bearing nut.
Each bearing has been heated then contracted onto the shaft, so a suitable pressing tool
MUST be used to remove them.
Page 13
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