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G. PARTS LIST 

Table 2 – Pump Parts List 

IDP QTY DESCRIPTION 

KIT 

 

IDP

QTY DESCRIPTION 

KIT

1 1 

Case 

 

47  4  Bolt 

 

2 1 

Inlet 

Head 

 

48  1  Spacer 

XX

8  Bolt  

 

49 

Ball Bearing 

6 1 

Stop 

Pin 

XX 

50 1  Discharge 

Housing 

XX 

Dyna Seal 

63 

Power Rotor 

XX 

8 2 

Retaining 

Ring 

XX 

67  2  Plug 

 

9 2 

Gasket 

70  1  90° 

Elbow 

(Tube-MNPT)  

21 

Suction Idler 

XX 

71 

Seal Pipe 

 

23 2 Idler 

Cups 

XX 

73  1  Pin 

XX 

24 

1  Suction Housing 

XX 

74 

Elbow  

 

25 1 Seal 

75  1  Flare-less 

connection 

 

26 2 Tube 

 

XX 

76  1  Nipple 

 

28 2 O-Ring 

77  2  Vent 

Pin 

XX 

29 

Thrust Cage 

XX 

78 

Balance Piston Housing 

XX 

31 1 Key 

 

79  1  Bushing 

XX 

35 

Discharge Idlers 

XX 

80 

Idler Stop 

XX 

38 

Seal Spacer 

 

81 

Cap screw 

 

42 2 Retaining 

Ring 

94 1  Gasket 

43 1 Bearing 

Retainer 

 

 100

Retainer 

XX 

46 1 Inboard 

Cover 

 

 101

Retaining 

Ring 

XX 

    X = Minor Repair Kit Items. 

XX = Major Repair Kit Items. (Items marked (X) are included in Major Repair Kit). 

 
 

H. PUMP MAINTENANCE 

 

 

 

WARNING 

 

 

Failure to observe precautions while installing, inspecting, and maintaining pump 
can cause injury to personnel from accidental handling of liquids that may harm 
skin or clothing, or fire hazard risks from flammable liquids, or injury from high 
pressure fluid jets.

 

 

 

 

DANGER 

 

 

BEFORE

 working on equipment, make sure all power to equipment is 

disconnected and locked-out. 

 

H.1 GENERAL 

COMMENTS 

NOTE:

  Part number identifiers (IDP’s) contained within parenthesis such as (9) refer to circled 

numbers shown on assembly drawing, figure 3 and Table 2. 

 

H.2 TOOLS 

REQUIRED 

Procedures described in this manual require common mechanics hand tools, a torque wrench, dial 
indicator and suitable lifting device (such as) slings, straps, etc. 

Содержание 3215/525

Страница 1: ...ARTS LIST FOR D12DZ 250 3215 525 WARNING This Instruction Manual and General Instructions Manual CA 1 should be read thoroughly prior to pump installation operation or maintenance Manual No SRM00078 Rev 01 21 0001 October 2021 ...

Страница 2: ... 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 ...

Страница 3: ... furnished by Imo Pump is to become part of processing machinery these instructions should be thoroughly reviewed to ensure proper fit of said equipment into overall plant operational procedures 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 respons...

Страница 4: ...ty temperature inlet pressure discharge pressure filtration duty cycle drive type mounting etc are interrelated Due to these variable conditions specific application limits may be different from that of operational limitations Equipment must not be operated without verifying system s operating requirements are within pump s capabilities Under no circumstances are the following operating limits spe...

Страница 5: ...earing Retainer 100 1 Retainer XX 46 1 Inboard Cover 101 1 Retaining Ring XX X Minor Repair Kit Items XX Major Repair Kit Items Items marked X are included in Major Repair Kit H PUMP MAINTENANCE WARNING Failure to observe precautions while installing inspecting and maintaining pump can cause injury to personnel from accidental handling of liquids that may harm skin or clothing or fire hazard risks...

Страница 6: ...38 and mechanical seal 25 9 Disassemble power rotor 63 as follows a Using a flat nosed tool such as a screw driver remove Truarc rings 42 located on both sides of ball bearing 49 from their grooves in power rotor 63 b Sealed ball bearing is assembled to power rotor 63 with light press fit Ball bearing 49 may be removed by using a bearing puller or a vertical arbor press When using press two pieces...

Страница 7: ...e value determined in 2 above Note Prior to reassembly of pump all parts should be cleaned and inspected for nicks and burrs Replace all worn or damaged parts Imo Pump recommends replacement of all O rings 28 gaskets 9 84 Dyna Seal 7 mechanical seal 25 and ball bearing 49 when these parts are disturbed from their previously installed positions Coat all parts with light lubricating oil to assist in...

Страница 8: ...46 using bolts 47 Torque bolts to values indicated on assembly drawing 14 Install idlers 35 21 into housings by meshing threads with power rotor thread and screwing them into housing idler bores 15 Install idler balance piston housings 23 to ends of suction idlers 21 16 Install pin 26 in inlet housing 24 17 Install thrust cage 29 in pump case 1 ensuring that pin hole in thrust cage 29 engages pin ...

Страница 9: ...aul assistance contact your local Imo Distributor or the Technical Customer Service Department in Monroe NC USA Most pumps have repair kits available Minor Repair Kits are used to repair leaking seals bad bearings and or for re assembly after pump tear down They include as applicable pump shaft seals packing all gaskets O rings and bearings Major Repair Kits are sufficient to rebuild completely wo...

Страница 10: ...10 Figure 2 Assembly Drawing ...

Страница 11: ...11 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 2021 CIRCOR Pumps North America LLC All rights reserved ...

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