Gardner Denver RBS 15, Service Manual And Parts List

Page: 23 / 62

4.6 Labyrinth seals
Clean the sealing spacers and the sealing chambers, remove the incrustations and rust using solvents and
scraper.
WARNING: Keep to the prescribed safety rules when using solvents and wear protection
glasses and safety gloves
NOTE: Do not damage the surface of the sealing spacers and the sealing chambers when
using the scraper
Extract the sealing piston rings from the sealing spacers
Check the external surface of the spacers 25, if the surface has spots of rust replace the spacers
Measure the width of the grooves and communicate the recorded values to ROBUSCHI to check the
possibility of using the spacers again
NOTE: In case of replacement of also only one of the spacers it is recommended to replace all
the spacers of the blower
NOTE: Replace all the sealing piston rings always
Check the internal surface of the sealing chambers pos. 20, if the surface has spots of rust and/or
circumferential grooves induced by the piston rings replace the sealing chambers
WARNING: If the sealing chambers Pos. 20 lean out from the cover surface replace them
NOTE: In case of replacement of also only one of the sealing chambers it is recommended to
replace both the sealing chamber of the cover
4.7 Drive shaft seal
Clean the shaft sleeve Pos. 37 remove the incrustations and rust using solvents and scraper.
WARNING: Keep to the prescribed safety rules when using solvents and wear protection
glasses and safety gloves
NOTE: Do not damage the surface of the shaft sleeve when using the scraper
Check the external surface of the shaft sleeve pos. 37, if the surface has abrasions and /or a groove induced
by the leap of the sealing ring Pos. 43 replace the shaft sleeve 37.
NOTE: Replace the sealing ring Pos. 43 always