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Technical Information
Safety Rules
72/102 HS452, HS652 Rotary Vane Pumps User Manual / 87-900-978-01 (H)
Caution Notes
a Before putting the pump back into operation after a breakdown, inspect it and check
carefully for any other signs of damage.
b Use only tools that are in perfect working order and specially designed for the job;
use of inappropriate or ineffective tools may cause serious damage.
c Perform repairs in clean and, where possible, dust-free areas. Protect all the
clearances of connection points with suitable plastic caps and cover the machined
surface areas of all parts stripped down until they are put back on the pump again.
d Always check the lubricant and that it is properly distributed through the pump;
inadequate lubrication may damage the pump seriously.
e Give the parts some form of marking as you strip them down to ensure that you
reassemble them again in the proper order.
f Check that there are no scratches or grooves on the machined shafts, in their seats
inside the pump or on machine-ground surfaces. Slight scratches and abrasions may
be eliminated with very fine emery paper or by a little light grinding.
g Before putting a group together, always spread a little oil over inner parts and
mating surfaces. Replace all seals with original spare parts before reassembling
components.
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