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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 personnel 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. 

 

Noncompliance 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. 

 

 

 

 

Summary of Contents for CIRCOR GLH8L-400 Series

Page 1: ...Parts List GLH8L 400 and GLH8L 462 WARNING This Instruction Manual and General Instructions Manual CA 1 should be read thoroughly prior to pump installation operation or maintenance Manual No SRM00122...

Page 2: ...s can be done by removing seal vent set screw and pouring liquid into vent passageway before opening pump inlet Alternately seal chamber can be vented in situations where inlet pressure is above atmos...

Page 3: ...he precautions noted in this box can cause damage or failure of the equipment Noncompliance of safety instructions identified by the following symbol could affect safety for persons Safety instruction...

Page 4: ...hanical Seals 7 Mounting 8 End Cover 8 Inboard Cover 8 Bearing RTD 8 Vibration Monitoring 8 PUMP MODEL IDENTIFICATION 9 INSTALLATION 9 Inlet Position 9 MAINTENANCE 10 Special Tooling Required 10 Manuf...

Page 5: ...d by this manual In applications where equipment furnished by Imo Pump is to become part of processing machinery these instructions should be thoroughly reviewed to ensure proper fit of said equipment...

Page 6: ...NG The GLH series pump parts are not interchangeable with previous designs unless the factory has approved to convert the old design to a GLH design using a modification kit The modification kit along...

Page 7: ...s are specified the power rotor will be provided with standard balance If a unit with standard balance is installed on an operation with high inlet pressure both the ball bearings 7 and the mechanical...

Page 8: ...outboard cover 50 for connection of two optional RTD s The RTD s when installed are used to read the temperature in line with the suction idlers These temperatures should be relatively close to each...

Page 9: ...tive fluid inlet pressure is required CAUTION ATTENTION The end cover 50 must always be assembled with the RTD connection ports in line with the suction idlers To change the position of the inlet head...

Page 10: ...an airtight seal 6 Mount cover 50 Check to make sure O ring 12 is properly seated in the face groove Align RTD ports in the plane of the idlers 41 Install hex bolts 51 and tighten to a torque specific...

Page 11: ...11 Manufactured Tooling Figure 1 Bearing Removal Tool Figure 2 Power Rotor Housing Removal Strongback...

Page 12: ...t 055 Remove key 054 from power rotor 10 Loosen setscrews 75 and remove locknut 33 and nut 32 11 Remove retainer 034 by removing bolts 035 and lockwashers 036 Grasp power rotor 022 and pull assembly f...

Page 13: ...e of the seal sleeve 26 15 Remove seat adapter 63 with gasket 65 Remove mechanical seal stationary seat 1 Figure 3 with O ring 2 Figure 3 from seat adapter 63 16 Loosen setscrew 3E Figure 3 from seal...

Page 14: ...eal seat adapter 63 along with its associated gasket 65 onto the shaft sleeve 26 5 Compress mechanical seal enough to expose spiral ring groove and install spiral ring 28 in shaft sleeve 26 locking me...

Page 15: ...y replaced without damage NOTE Because of the size and weight of the individual parts we recommend removing the pump from its baseplate to a location equipped with a crane when a full disassembly is r...

Page 16: ...e not bolted together and will separate Please use caution when removing f Push the housing out of the discharge end by rotating the outboard jam nut g As the discharge housing emerges support the wei...

Page 17: ...for power rotor strongback installation blank should be only the size of the power rotor for this step 12 Complete Steps 1 15 of Servicing the Mechanical Seal and Bearing Mechanical Seal and Bearing...

Page 18: ...X 54 Key 1 18 Capscrew 2 XX 55 Nut 1 19 Pipe Plug 5 56 Setscrew 1 20 Lockwasher 24 57 Outlet Adapter 1 21 Flange Screw 24 58 Gasket 1 X 22 Power Rotor 1 XX 59 Hex Bolt 4 23 O ring 1 X 61 Capscrew 4 24...

Page 19: ...ing 1 XX 54 Key 1 16 Idler Stop Subassembly 1 XX 55 Nut 1 18 Capscrew 2 XX 56 Setscrew 1 19 Pipe Plug 5 57 Outlet Adapter 1 20 Lockwasher 8 58 Gasket 1 X 21 Flange Screw 8 59 Hex Bolt 4 22 Power Rotor...

Page 20: ...20 DRAWINGS...

Page 21: ...21...

Page 22: ...1710 Airport Road 28110 PO Box 5020 Monroe NC USA 28111 5020 Tel 1 704 289 6511 1 877 853 7867 Fax 1 704 289 9273 Email cc circor com Web www circorpt com 2020 CIRCOR Pumps North America LLC all right...

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