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SECTION II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-10-4610-244-13_17
LEAKAGE DEFINITIONS FOR OPERATOR PMCS - TM-10-4610-244-13_19

TM-10-4610-244-13 Hypochlorination Unit NSN 4610-01-364-4485 Model AHY001 Manual
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TM 10-4610-244-13 TM 09476B-13/1 2-3.  PMCS PROCEDURES (Cont'd). e. If hypochlorination unit does not perform as required, refer to Chapter 3, Section II, Troubleshooting. f. If  anything  looks  wrong  and  you  can't  fix  it,  write  It  on  your  DA  Form  2404  IMMEDIATELY  report  it  to  your supervisor. g. Following are checks that are common to the entire hypochlorination unit (1) Keep it clean.  Dirt, grease, oil, and debris only get in the way and may cover up a serious problem. Clean as you work and as needed. (2) Rust  and  Corrosion.    Check  hypochlorination  unit  for  rust  and  corrosion.    If  any  bare  metal  or corrosion exists, clean, and apply thin coat of oil Report it to your supervisor. (3)    Bolt, Nuts, and Screws.  Check all for obvious looseness, missing, bent, or broken condition You can't try them all with a tool, but look for chipped paint, bare metal, or rust around bolt heads  If you find a bolt, nut, or screw you think is loose, tighten it or report it to your supervisor. (4) Welds.  Look for loose or chipped paint, rust, or gaps where parts are welded together.  If you find a bad weld, report it to your supervisor. (5) Hoses and Fluid Lines.  Look for wear, damage, and leaks, and make sure clamps and fittings are tight.  Wet spots show leaks, but a stain around a fitting or connector can also mean a leak.  If leak comes from loose fitting of connector, tighten It  If something is broken or worn out, report it to your supervisor 2-4.  LEAKAGE DEFINITIONS FOR OPERATOR PMCS.    You  must  know  how  fluid  leakage  affects  the  status  of  the hypochlorination unit Following are types/classes of leakage an operator needs to know to be able to determine the status of the hypochlorination unit Learn these leakage definitions and remember' when in doubt, notify your supervisor CAUTION •Equipment operation is allowable with minor leakages (Class I or II).  Of course, consideration must  be  given  to  fluid  capacity  in  the  item/system  being  checked/inspected.    When  in  doubt, notify your supervisor. •When operating with Class I or II leaks, continue to check fluid levels as required in your PMCS. • Class III leaks should be reported immediately to your supervisor. a. CLASS I Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops. b. CLASS II Leakage of fluid great enough to form drops but not enough to cause drops  to  drip  from  item  being checked/inspected 2-4







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