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Summary of Contents for IMO CIRCOR GLH8L-400 Series
- Page 1 Instruction Manual and 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 Rev. 00 Date: January 2014...
- Page 2 IMPORTANT NOTE The importance of seal chamber priming cannot be overemphasized. Due to the prevalence of seal damage and leakage caused by not filling the seal chamber with liquid before putting a pump in service, this page is located at the beginning of this document.
- Page 3 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.
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Page 4: Table Of Contents
Table of Contents GENERAL INSTRUCTIONS ..........................5 INTRODUCTION ............................. 5 STRUCTURAL LIMITS ............................. 5 Table 1 – Normal Pump Operating and Structural Limits ................. 6 DESCRIPTION OF PUMP FEATURES ....................... 6 Balance ..............................6 GLH8L-400 Mod Kit (3268/1000M) and GLH8L-462 Mod Kit (3269/1000M) ........... 7 Ball Bearing ............................... -
Page 5: General Instructions
GLH8L-462 series pumps. NOTE: Individual contracts may have specific provisions that vary from this manual. Should any questions arise which may not be answered by these instructions, refer to Imo General Installation Operation, Maintenance, and Troubleshooting Manual,SRM00046, provided with your order. -
Page 6: Description Of Pump Features
2300 RPM (All speeds above 1800 RPM Maximum Speed must be factory approved) 60 SSU Minimum Book Rating (Consult Minimum Viscosity IMO pump for minimum viscosity with relation to specific speed and pressure) Maximum Viscosity Contact factory Liquid Temperature 250° F... -
Page 7: Glh8L-400 Mod Kit (3268/1000M) And Glh8L-462 Mod Kit (3269/1000M)
400/462. Please contact IMO for additional details. Note: Although the converted pump will be annotated as a GLH8L the outline maybe slightly different due to the inlet head design. Please contact IMO for additional details The Mod Kit includes the following design changes: •... -
Page 8: Mounting
Mounting The GLH8L-400 and GLH8L-462 series pumps are designed for horizontal foot mounting. The pump case (001) has four feet; the two inboard feet are each drilled to receive two tie-down or mounting bolts. The rear or outboard feet are each drilled to receive one bolt each. The double bolting on the inboard or front end is designed to provide rigid location of the pump front end. -
Page 9: Pump Model Identification
PUMP MODEL IDENTIFICATION INSTALLATION Inlet Position The inlet flange on the inlet head (37) may be positioned to have the fluid enter the pump from the top or either side. The inlet flange may be rotated for bottom inlet, but a special seal vent tube (53) and a positive fluid inlet pressure is required. -
Page 10: Maintenance
remove hex bolts (51). Remove end cover (50). Take care not to damage o-ring (12) or thrust plate (48). 3. Place a sling or lifting hooks on inlet head (37) (size 400 – 203 lbs.; size 462 – 275 lbs.). Remove capscrews (20) and lockwashers (21) (size 400: 39 and 38, respectively). -
Page 11: Manufactured Tooling
Manufactured Tooling Figure 1. Bearing Removal Tool Figure 2. Power Rotor/Housing Removal Strongback... -
Page 12: Servicing The Mechanical Seal And Bearing
Servicing the Mechanical Seal and Bearing Mechanical Seal and Bearing Removal 1. Close inlet and outlet valves. Vent pressure from pump and drain before disconnecting inlet and outlet lines. The inlet may be drained by loosening tube fitting (52) or removing plug (19) from outboard end cover (50). - Page 13 f) Remove the bearing (31), inner spacer (29) and outer spacer (30) from the shaft. Multi-Spring Seal with O-ring Seat (Figure 3) 13. Move power rotor assembly forward to expose mechanical seal assembly (3, Figure 3) which is mounted on seal sleeve (26). Slide mechanical seal sleeve off of the power rotor (22), keeping the seal assembly (3, Figure 2) and stationary seat (1, Figure 3) intact.
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Page 14: Mechanical Seal And Bearing Installation
Mechanical Seal and Bearing Installation 1. Install O-ring (25) in internal groove of seal sleeve (26) 2. Install rotating assembly (3, Figure 3) onto the sleeve (26), butting the holder (3E, Figure 3) up against the sleeve shoulder. NOTE The mechanical seal should be assembled onto the sleeve prior to installing it onto the shaft. Using a rubber lubricant on O-ring (3B, Figure 3) will aid in the installation. -
Page 15: Pump Disassembly
11. Thread nut (33) on power rotor (22) shaft. Tighten nut to good engineering practices (Critical torque is applied to setscrews (75)). Install set screws (75) in nut (33) and tighten set screws to 12 + 2 lbs. ft. (Size 400: 80 + 5 lbs. in.) 12. -
Page 16: Pump Assembly
10. Remove inlet head (37). Using a sling or eyebolts and nuts support the weight of the inlet head, then remove bolts (21) and washers (20) (size 400: 39 and 38, respectively). 11. Install strongback assembly on the suction side of the pump case (1). This consist of the following: strongback, blank, allthread, nuts, and hardened washers (size dependent on pump;... - Page 17 CAUTION ATTENTION Prior to inboard cover assembly, ensure the orifice (14) (size 400: orifice (100)) is not clogged. Flow through this orifice provides additional flow to the mechanical seal faces for cooling. 6. Install bushing (15) into bore of inboard cover (13). Install idler stop (16) on inboard cover (13) ensuring that spring pin engages slot in the installed bushing.
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Page 18: Parts List
PARTS LIST GLH8L-462 PART LIST IDP Part Description Qty Kit IDP Part Description Qty Kit Pump Case Check Nut Eyebolt Bearing Retainer Housing Hex Bolt O-ring Lock Washer Housing Inlet Head Vent Pin Idler Stop Pin Idler Idler Balance Piston 10 O-ring Housing 11 Plug... -
Page 19: Glh8L-400 Part List
GLH8L-400 PART LIST IDP Part Description Qty Kit IDP Part Description Qty Kit Pump Case Bearing Retainer Eyebolt Hex Bolt Housing Lock Washer O-ring Inlet Head Housing Flange Screw Spacer Lock Washer Retaining Ring Idler Vent Pin Idler Idler Balance Piston Stop Pin Housing O-ring... -
Page 20: Drawings
DRAWINGS... - Page 22 Circor 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 cc@circor.com Email: Web: www.circorpt.com © 2020 CIRCOR Pumps North America, LLC. all rights reserved.
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