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READ THIS ENTIRE PAGE BEFORE PROCEEDING

 

 

FOR THE SAFETY OF PERSONNEL AND TO PREVENT DAMAGE TO THE EQUIPMENT, THE 
FOLLOWING NOMENCLATURE HAS BEEN USED IN THIS MANUAL: 

 

DANGER

 

 

 

Failure to observe the precautions noted in this box can result in severe bodily 
injury or loss of life. 

 

WARNING

 

 

 

Failure to observe the precautions noted in this box can cause injury to per- 
sonnel by accidental contact with the equipment or liquids.  Protection should 
be provided by the user to prevent accidental contact. 

 

 

CAUTION

 

ATTENTION

 

 

 

Failure to observe the precautions noted in this box can cause damage or 
failure of the equipment. 

 

Non-compliance of safety 
instructions 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 keep a spare pump or major repair kit in stock at all times.  As a minimum, 
a minor repair kit (o-rings, gaskets, shaft seal and bearings) should be kept in 
stock so pump refurbishment after internal inspection can be accomplished. 

 

 
 

CONTENTS

 

Safety and Table of Contents ....................................................................................................... A 
General  Instructions ..................................................................................................................... 1 
Ordering Instructions ..................................................................................................................... 1 
Introduction ................................................................................................................................... 1 
Maintenance .................................................................................................................................. 3 
Bearing and Mechanical Shaft Seal Disassembly ........................................................................ 4 
Bearing and Mechanical Shaft Seal Resassembly ....................................................................... 5 

Содержание G3DB Series

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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