Sentry ISOLOK MSA Installation, Operation & Maintenance Manual

Point samplers

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Original Instructions
Installation, Operation
& Maintenance Manual
ISOLOK MSA Sampler
Point Samplers
S-AS-IOM-00300-8 10-22

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Summary of Contents for Sentry ISOLOK MSA

  • Page 1 Original Instructions Installation, Operation & Maintenance Manual ISOLOK MSA Sampler Point Samplers S-AS-IOM-00300-8 10-22...
  • Page 2 Sentry Equipment Corp instructions. Otherwise, injury, damage, or both may result. Copyright © 2022 by Sentry Equipment Corp. All rights reserved. All product and company names are property of their respective owners. This document contains proprietary information. No part of this document may be photocopied or reproduced without the prior written consent of Sentry Equipment Corp.
  • Page 3: Table Of Contents

    Typical Operation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 ISOLOK MSA Sampler...
  • Page 4: Safety Information

    Â NOTE Information that requires special emphasis. Â TIP Alternate techniques or clarifying information. SHALL: This word is understood to be mandatory. SHOULD: This word is understood to be advisory. Sentry Equipment Corp...
  • Page 5: General Safety Precautions

    If the sample container is removed from the sampler, do not insert any refer to the General Arrangement drawing for body part or other item into the sample discharge port. Crushing will weight and dimensional information. occur. ISOLOK MSA Sampler...
  • Page 6: General Description

    The Sentry® ISOLOK® MSA sampler is designed for sampling sanitary products such as Grade A or industrial grade raw or processed milk . The ISOLOK MSA sampler can be used in a process line or on the wall of a vessel or reactor . It can also be installed on road tankers transporting liquid milk .
  • Page 7: Installation

    Specifications The ISOLOK MSA sampler takes 0 .5 cc of sample per cycle . With the standard controller, it can be cycled at any rate between 180 samples per minute maximum and 2-1/2 samples per minute minimum . It meets sanitary construction standards and carries the 3-A symbol .
  • Page 8: Sampler Installation

    . If a standard Sentry adapter tee cannot be used, a 1-1/2-inch tri-clamp style ferrule clamp port must be devised . The ferrule branch should be just long enough to accept the sampler mounting clamp without interference . The factory standard is 5/8-inch from the ferrule face to the outside of the line .
  • Page 9 . This should give maximum slack in the tube for later mounting and handling of the sampler . 2. Protecting and sealing tube: Each Sentry ISOLOK sampler includes two bulkhead grommets as standard . If additional grommets are required, contact Sentry Equipment Corp . Alternately, protective collars can be made on- site .
  • Page 10 A source of compressed air is required at 50 psi (344 KPa) minimum, up to 120 psi (827 KPa) maximum . The air supply and piping selected should be capable of providing up to 1 cubic foot of air per minute of sampler operation . The air supply should be reasonably clean and free of water . Sentry Equipment Corp...
  • Page 11: Inspection

    . 3. Wipe a very thin film of approved dairy lube (white grease, CIP lube or Vaseline) on the four plunger O-ring seals, plus the rod and piston O-rings . ISOLOK MSA Sampler...
  • Page 12: Starting The Sampler

    Refer to your specific group drawing that is included with this manual . The ISOLOK MSA sampler should be cleaned and checked at daily and weekly intervals for proper operation and to ensure any wear is detected so preventive maintenance can be performed .
  • Page 13: Weekly Inspection

    Complete Sampler Disassembly and Maintenance A complete disassembly, inspection and cleaning of the ISOLOK MSA sampler should be performed as required . Work on a clean, well-lighted bench area with a copy of the sampler group assembly drawing for reference .
  • Page 14: Controller Maintenance

    3. Check the controller dial knob and air filter-regulator-solenoid assembly to ensure they are tight . 4. Check rubber “boot” on the ON/OFF switch . Replace if it is worn or torn . 5. With the air pressure OFF, unscrew the air filter bowl and remove any accumulated debris . Sentry Equipment Corp...
  • Page 15 If the sampler controller fails to function at any setting of load dial, the timer probably needs to be replaced . Replacement timers are available from Sentry Equipment Corp . Follow the controller circuit diagram to properly connect a replacement timer .
  • Page 16 If switch becomes undependable or fails completely, it must be replaced . Replacement switches, complete with all necessary wire leads and terminals, are available from Sentry Equipment Corp . 1. Disconnect all power to the sampler controller . Remove the rubber seal hex nut from the toggle on the outside of the controller .
  • Page 17: Standard Warranty

    ƒ Field Service & Retro ts—When a problem needs immediate attention. ƒ Replacements Parts & Consumables—Order your replacement parts and consumables. ƒ Sentry ProShield Services—Select from four ProShield Guardian service plans providing di erent levels of support to protect your large system investments with regularly scheduled maintenance.
  • Page 18: Appendix: Installation & Operation On A Milk Truck

    . 4. Insert the wires and cord connector through the hole and place a conduit nut on the fitting, locking firmly . PROVIDE A SUITABLE GROUND CONNECTION TO POWER SUPPLY . Check ground continuity after mounting . Sentry Equipment Corp...
  • Page 19 . The ISOLOK MSA sampler can be used to sample an entire truck load, and the sampler will be partially sanitized during cleaning solution discharge .
  • Page 20: Typical Operation Procedure

    . Typical Operation Procedure Following is a typical milk pickup sequence using the ISOLOK MSA sampler . Steps not covered should be carried out in accordance with standard methods as prescribed by local, state or other health regulatory agencies .
  • Page 21 Sample volume = sampler size x cycle rate x sampling time 1. Sampler size: On the ISOLOK MSA sampler, this volume is 0 .5 cubic centimeters . Each extend-retract stroke of the plunger withdraws 1/2 cc of product from the line and allows it to flow into a sample container . If there is no product in front of the plunger, no sample is taken .
  • Page 22 Â NOTE To take more sample, increase the sample frequency by turning the sampler controller dial counterclockwise, towards “+” . To take less sample, decrease the sample frequency by turning the sampler controller dial clockwise, towards “-” . Sentry Equipment Corp...
  • Page 23 This page is intentionally left blank . ISOLOK MSA Sampler...
  • Page 24 Serving customers in more than 50 countries across six continents worldwide. sentry-equip.com 966 Blue Ribbon Circle North, Oconomowoc, WI 53066 U.S.A. | +1-262-567-7256 | support@sentry-equip.com...

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