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Summary of Contents for Circor GLH8L-462 Series
- Page 1 Instruction Manual and Parts List GLH8L - 462 WARNING This Instruction Manual and General Instructions Manual, CA-1, should be read thoroughly prior to pump installation, operation or maintenance. ...
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Page 2: Table Of Contents
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. -
Page 3: General Instructions
GENERAL INSTRUCTIONS The instructions found herein cover the disassembly, assembly and parts identification of Series GLH8L-462 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 the General Instructions Manual, CA-1, provided with your order. -
Page 4: Structural Limits
STRUCTURAL LIMITS Operating conditions, such as speed, fluid viscosity, inlet pressure, temperature, filtration, duty cycle, mounting, drive type, are interrelated. Due to variable conditions, specific application limitations may vary from structural limitations. This equipment must not be operated without verification that operating requirements are within published capabilities as shown in the appropriate pump brochures (available from local Imo Pump offices and representatives listed in Manual CA-1). - Page 5 Mechanical Seals The GLH8L-462 series pump is equipped with a positive drive mechanical seal. This is a balanced mechanical seal with a carbide rotating face and a carbide stationary face. Refer to mechanical seal drawing, figure 3, for construction.
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Page 6: Installation
INSTALLATION GLH8L-462 series pumps are designed for horizontal foot mounting. The pump case (1) has four feet. The two inboard feet are drilled to receive two tie-down or mounting bolts and the rear or outboard feet are drilled to receive one bolt each. The double bolting on the inboard end is designed to provide rigid location of the front end of the pump. -
Page 7: Bearing Puller, Figure 2
7. Cut two 3/4 -10 continuous thread studs (24 inches minimum) to thread 1-⅛ inches into inboard cover (13) and extend a minimum of 2-½ inches past end of power rotor (22) shaft. Install studs in inboard cover located 180 degrees apart. Thread a nut on each stud to lock stud in position. Refer to figure 2 and cut a ½... -
Page 8: Mechanical Seal Drawing, Figure 3
Figure 3. Mechanical Seal Drawing 15. Loosen setscrew (3E, figure 3) from seal spring holder (3D, figure 3) and slide mechanical seal rotating assembly (3, figure 3) from seal sleeve (26). 16. Remove O-ring (69 or 25) from internal groove of seal sleeve (26). 17. -
Page 9: Pump Disassembly
24. Slide ball bearing (31) on power rotor (22) shaft. NOTE: If oven is available, ball bearing (31) can be heated to approximately 200 degrees F for ease of installation on power rotor (22) shaft. ... - Page 10 7. Remove idler rotors (41) from bores of rotor housing (5) by rotating idlers. Rotate power rotor (22) to remove idler rotors (40) from rotor housings (3 and 5). Use extreme caution to avoid dropping idler rotors as they emerge from housing (5). ...
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Page 11: Pump Assembly
21. Remove strainer sub-assembly (92) from rotor housing (3). PUMP ASSEMBLY Prior to assembly of the pump, all parts should be cleaned and inspected for nicks and burrs. All worn or damaged parts should be replaced. Imo Pump recommends automatic replacement of O-rings (4, 10, 12, 23, 69 or 25, 82), gasket (65), ball bearing (31), mechanical seal (27) and spiral ring (28) when these parts are disturbed from their previous installed position. - Page 12 16. Place O-ring (12) in groove of cover (50). Mount cover (50) to inlet head (37) using capscrews (51). Torque capscrews (51) to 193 lbs. ft. (± 10 lbs. ft.). 17. Install tubing (53) to elbow fittings (52). Install drain plug (19) in cover (50). 18.
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Page 13: Pump Assembly Drawing, Figure 4
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Page 14: Parts List
PARTS 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 ... - Page 15 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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