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Summary of Contents for 48 Series

Page 1: ...ange with other types of equipment or installationarrangements This manual must be read in conjunction with the instruction manuals for both the pump and any ancillary equipment If the seal is to be used for an application other than that originally intended or outside the recommendedperformancelimits John Crane must be contacted before its installationand use Any warranty may be affected by impro...

Page 2: ...er torque values 4 The seal cartridge contains either two 2 or four 4 spacers that set the working height of the seal On some equipment the lower spacer is not accessible once the seal is installed onto the shaft Inthese instances remove the lower spacer 5 For Overhung Pumps with Single Row Collar Check that the drive collar set screws are engaged in the sleeve holes without touching the shaft Sli...

Page 3: ...ing gap at each stud location to ensure even tightening Tighten the outside lock collar set screws 9 The collar can be rotated with the spacers intact Once all the collar set screws are tightened loosen the cap screws and rotate the spacer free of rotating parts The spacer can be locked into place out of the way of the collar for future use or removed and stored Repeat the above for each spacer in...

Page 4: ...e can be a factor if the storage period is in excess of 2 years b If storage is in excess of 1year it is recommendedthat the primary and mating rings be inspected for flatness prior to installingthe seals into the pump 3 Storage of Single Seals in Pumps a If the mechanical seal is to be stored in the equipment the seal cavity shall be drained of all water to prevent damage due to freezing temperat...

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