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Technical Description
Caution notes
78/140 Dual Stage Rotary Vane Pumps User Manual/ 87-900-937-01(L)
n Do not replace the oil immediately after stopping the machine as
the oil may still be at high temperature.
o 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.
p Do not start the pump if the protective sideplates (refs. 11 and 81
of fig. View of the pump) are not properly in place.
Caution notes
q Before putting the pump back into operation after a breakdown,
inspect it and check carefully for any other signs of damage.
r Before putting the pump back into operation after a breakdown,
inspect it and check carefully for any other signs of damage.
s 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.
t 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.
u Always check the lubricant and that it is properly distributed
through the pump; inadequate lubrication may damage the pump
seriously.
v Give the parts some form of marking as you strip them down to
ensure that you reassemble them again in the proper order.
w 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.
x 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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