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CIRCOR

 

1710 Airport Road 

PO Box 5020 
Monroe, NC USA 
28111.5020 

 

Tel

:  +1. 877.853.7867 

Email: cc

@circor.com 

Web:

 www.circorpt.com 

 

 

 

 

 

 

 

 

 

 

                                                                                     

 

 

 

 

 

© 2020 CIRCOR Pumps North America, LLC. All rights reserved. 

 

Summary of Contents for G3DB Series

Page 1: ...ST SERIES G3DB AG3DB ELEVATOR WARNING This manual and GENERAL INSTRUCTIONS MANUAL CA 1 should be read thoroughly prior to pump installation operation or maintenance SRM00059 Rev 05 20 0051 February 2020 was G3DB AG3DB Elevator ...

Page 2: ...structions identified by the following symbol could affect safety for persons Safety instructions where electrical safety is involved are identified by Safety instructions which shall be considered for reasons of safe operation of the pump and or protection of the pump itself are marked by the sign ATTENTION ATTENTION If operation of this pump is critical to your business we strongly recommend you...

Page 3: ...ignate the desired part by the IDP number and name as listed in Table 1 and pump assembly drawing in this instruction manual INTRODUCTION This manual covers all sizes of type G3DB and AG3DB Imo pumps for hydraulic elevator service Field repairs are generally limited to replacing the mechanical seal and bearing This manual provides instructions cover ing these operations INLET POSITION To remove in...

Page 4: ...ment when the unit is installed and after all piping has been connected to the pump Factory alignment will most likely be disturbed during shipment and installation A flexible coupling is not intended to permit permanent misalignment Proper alignment must be established and maintained to obtain maximum pump life Follow these steps 1 Install the pump and or motor 2 Before aligning the units be sure...

Page 5: ...in the system vent air from the system on start up The relief valve should be about 5 above maximum system operating pressures Do NOT set the relief valve higher than the maximum pressure rating of the pump MAINTENANCE GENERAL If the installation and alignment instructions have been carefully followed the pump should operate satisfacto rily with very little attention Field maintenance is generally...

Page 6: ... rotor assembly Power rotor assembly consists of power rotor bearing bearing spacer retaining rings and mechanical seal a Remove coupling or sheave b Remove hex bolts 18 c Remove bearing retainer 17 d Pull power rotor assembly out of pump case 2 Remove the outer retaining ring from the power rotor with a screwdriver 13 3 Remove the inner retaining ring from its groove by pulling back the mechanica...

Page 7: ... shim stock is used twist the seal subassembly in the same direction as the wrap of the shim stock when installing it 5 Insert seal gasket furnished with new mechanical seal into the bore of inboard end cover 46 Clean and lubricate the face of the carbon ring in the mechanical seal and place the stationary seat and bearing spacer on the power rotor 6 Install inner retaining ring 7 Place the ball b...

Page 8: ...CIRCOR 1710 Airport Road PO Box 5020 Monroe NC USA 28111 5020 Tel 1 877 853 7867 Email cc circor com Web www circorpt com 2020 CIRCOR Pumps North America LLC All rights reserved ...

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