Instruction Manual
Page 33 of 40 Issue: 2.1
N:\Engineering\Manuals\Pump Unit E2-30 & 40 R2.1.doc
Maintenance – Section 6.2 - General
The working life and thus the expected life prior to replacement of parts within a Paint
Pump are greatly affected by three main factors: -
• Abrasiveness of Fluid Pumped
• Pump Duty Cycle
• Fluid Pressure Output requirement
The two components which are more greatly affected by the above criteria than any
other components in the pump are: The Main piston Seal and the Cam Follower ; it is
therefore recommended that these two items are stocked as spare parts in addition
to the recommended spare parts kits.
It is also a requirement of the E.U. ATEX directive (Use of Equipment in Potentially
Explosive Atmospheres) that any Bearings should be replaced when they have
reached 90% of their calculated operational life. The following chart is included as a
helpful guide, as the working life of the Cam Follower bearings used in the Pump is
greatly dependant upon the Duty Cycle and Fluid Pressure Output Requirement.
Before any maintenance always switch off the pump and secure against any
unintentional start up.
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