Table of Contents
Summary of Contents for JEC JCP Series
- Page 1 Operating & Maintenance Manual JEC JCP Series Centrifugal Pumps JEC LTD. 408, Cheongyo-ri, Bibong-myun, Hwaseong-si, Gyeonggi-do, South Korea Tel: +82 31 355 0316 Fax: +82 31 355 0319 www.jecpump.com E-mail: jecp@jecpump.com...
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Page 2: Table Of Contents
Thank you for purchasing a JEC Product! This manual contains disassembly and assembly instructions, maintenance procedures, troubleshooting and a complete parts list for all JCP series Centrifugal Pumps designed and manufactured by JEC Ltd. South Korea. READ THIS MANUAL carefully to learn how to service these pumps. Failure to do so could result in person injury or equipment damage. -
Page 3: Safety
SAFETY DO’S & DON’TS DO read and understand these instructions before installing or using the pump. DO use JES spare parts when replacing a component of the pump. DO NOT services the pump while it is running. DO NOT place the pump in an application where the service ratings are exceed. DO NOT modifies the pump. -
Page 4: Technical Information
TECHNICAL INFORMATION TECHNICAL DATA SPECIFICATIONS Maximum Inlet Pressure -------------------------------------------- 10 bar (1,000 kpa, 145 PSI) Maximum Discharge Pressure -------------------------------------- 10 bar (1,000 kpa, 145 PSI) Maximum Flow rate ---------------------------------------------------- 100 m3/hr (440 US GPM) Temperature Range ---------------------------------------------- -10 C to 150 C (14 F to 302 F) Noise Level ------------------------------------------------------------------------------- 60 ~ 80 db MATERIALS Product Wetted Parts --------------------------------------------------------- AISI 316 (standard) -
Page 5: Installation
INSTALLATION INSTALLATION 1. Mounting surface should be flat and level. 2. The suction line should be kept as short as possible and present minimum friction loss. 3. Suction and discharge lines must be fully supported and installed so that no expansion or shock forces act on the pump which could lead to distortion. -
Page 6: Maintenance
MAINTENANCE DISASSEMBLY REMOVING PUMP PARTS Prior to removal of pump, the shut-off valves in the suction and discharge pipe work must be closed. If there is any risk that product many harden, crystallize or freeze in the pump it should be thoroughly drained and cleaned immediately after use. Similar attention must apply to the seal flush system. - Page 7 3. Remove rotating seal (30) ring from the impeller backside Rotating seal Seal pin If double seal with flushing is used, * . Remove case (1) from frame (6) by removing four wrench bolts (14) securing case to frame. Remove seal body on back of casing by removing two screws (34). Remove stationary seal (27) and o-ring (25) for double seal.
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Page 8: Inspection
ASSEMBLY PUMP PARTS ASSEMBLY “JEC pumps must only be operated with genuine JEC spares”. 1. Assemble shaft by loosen screws (15) and slightly tighten jack bolt in stub shaft. 2. Tighten bolts (15) evenly after loosen jack bolt but not more than to allow the stub shaft to be moved by gently tapping with a rubber or plastic tipped mallet. - Page 9 3. Assemble case (1) to frame with four screws (14). Assemble O-ring and stationary Be sure that seal pins shall be complied to seal pin grooves. seal into case. Assemble case to frame Front Loading Stationary seal 4. Install rotating seal parts inside back of impeller. Ensure the pin of the rotating seal ring shall be complied to pin hole.
- Page 10 The European Hygienic Engineering and Design Group (EHEDG) test for bacterial tightness approves the determining migration past the seal. 2. The seal for JCP series is designed so it is capable of being maintained bacterially tight. Also, enclosed threads are cleanable and drainable.
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Page 11: Troubleshooting
TROUBLESHOOTING JEC pumps are high-quality products designed for trouble-free operation and long operating life. However, occasional problems can arise. The troubleshooting chart, figure 4, provides a means of determining and correcting most of your pump problems. Should problem arise where the remedies listed in the troubleshooting chart do not cure the situation, pump cavitations, such as noisy operation, insufficient discharge and vibration, can result when a pump is not properly applied. -
Page 12: Parts List
PARTS LIST All orders for repair parts must contain the following. 1. Complete model number (located on nameplate). 2. Pump serial number (located on nameplate). 3. Description and part number from the parts list. No. Description Q’ty No. Description Q’ty Case Flush Port Front Cover... -
Page 13: Cross Sectional View
CROSS SECTIONAL VIEW...