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A. GENERAL INSTRUCTIONS 

 
Instructions found herein cover disassembly, assembly and parts identification of AA3G Series, Imo 
pumps. 
 

 

NOTE:

  Individual contracts may have specific provision that vary from this manual.  Should any questions 

arise which may not be answered by these instructions, refer to the General Instructions Manual, 
CA-1, provided with your order.  For further detailed information and technical assistance please 
refer to Imo Pump, Technical Service Department at (704) 289-6511. 

 

 

This manual cannot possibly cover every situation connected with installation, operation, inspection and 
maintenance of equipment supplied.  Every effort was made to prepare text of manual so that engineering 
and design data is transformed into the most easily understood wording.  Imo Pump must assume the 
personnel assigned to operate and maintain supplied equipment and apply this instruction manual have 
sufficient technical knowledge and are experienced to apply sound safety and operational practices which 
may not be otherwise covered by this manual. 
 

 

 

 

WARNING

 

 

If installation, operation and maintenance instructions are not correctly and strictly followed and 
observed, injury to personnel or serious damage to pump could result.  Imo Pump cannot accept 
responsibility for unsatisfactory performance or damage resulting from failure to comply with instructions. 

 

B. INTRODUCTION 

 

Instruction manual covers series AA3G Imo Pumps. Series of pumps has been designed for general use 

 

in lubricating, seal and distillate fuel oil applications. The size and construction of each pump is identified 

 

in model number on the pump nameplate. Definitions of model designators are identified in Figure 1. 

 

 

 

Figure 1 – Model Designator Definitions 

Содержание IMO AA3G Series

Страница 1: ...stallation Operation Maintenance and Troubleshooting Manual No SRM00046 this manual and associated component manuals supplied with the unit should be read thoroughly prior to pump installation start u...

Страница 2: ...s 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...

Страница 3: ...wording Imo Pump must assume the personnel assigned to operate and maintain supplied equipment and apply this instruction manual have sufficient technical knowledge and are experienced to apply sound...

Страница 4: ...NS Never operate with water The pump is designed for liquids having the general characteristics of oil E 2 OPERATING LIMITS CAUTION ATTENTION Operating conditions such as speed fluid viscosity tempera...

Страница 5: ...r 4 Bolt See Note 15 1 Retaining Ring 4 1 Inboard Cover 16X 1 Seal 5 4 Bolt Ext RV 19 1 Breakdown Bushing Steel Pumps Only 6 4 6 or 8 Bolt See Note 26X 1 O Ring 118 to 162 7 1 Power Rotor 31X 1 O Ring...

Страница 6: ...isassembly of pump may make floor slippery and cause personal injury The following steps are required before starting any maintenance action a De energize and lock out power to driver and tag power co...

Страница 7: ...16 off power rotor 7 b For Metal Bellows Type Seals see Fig 3 below Loosen set screw 3F and slide rotating assembly 3 from power rotor 7 NOTE IF ONLY REPLACING SEALS pump disassembly is complete For...

Страница 8: ...rotating assembly 3 on power rotor shaft 7 For 95 sizes only be sure slots in rotating assembly 3 line up with seal return hole in power rotor shaft Tighten setscrew 3F Do not touch carbon seal face...

Страница 9: ...instructions regarding installation alignment operation and trouble shooting see General Installation Operation Maintenance Troubleshooting Manual CA 1 J FIELD AND FACTORY SERVICE AND PARTS Imo Pump...

Страница 10: ...Figure 3 AA3G 95 Iron Pump Assembly 8...

Страница 11: ...Figure 4 AA3G 95 Steel Pump Assembly 9...

Страница 12: ...Figure 5 AA3G 118 to 162 Iron ump Assembly 10...

Страница 13: ...Figure 6 AA3G 118 to 162 Steel Pump Assembly 11...

Страница 14: ...ivery of installation tool Material Steel Gray Iron Nylon VC or any hard material that will give a smooth finish A B C D E Overall Length OD ID Installation Angle Taper in in in Deg Deg 3G 95 1 1 8 62...

Страница 15: ...IRCOR 1710 Airport Road 28110 PO Box 5020 Monroe NC USA 28111 5020 Tel 1 877 853 7867 Fax 1 704 289 9273 Email cc circor com Web www circorpt com 2020 CIRCOR Pumps North America LLC All rights reserve...

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