Subject: SOUM 00-017, TECHNICAL, GEARED HUB LOCKWASHER, HMMWV R121509ZJUN00 > TEXT > :UNCLAS > SUBJECT: SAFETY OF USE MESSAGE (SOUM), TACOM CONTROL NO. SOUM-00-017 > UPDATE FOR TECHNICAL, GEARED HUB LOCKWASHER, NSN 5310-01-213-4185, > FOR ALL M998 SERIES HIGH MOBILITY MULTIPURPOSE WHEELED VEHICLES > (HMMWV). > > D XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX D > A X "WARNING" X A > N X DEATH OR SERIOUS INJURY TO SOLDIERS, OR DAMAGE X N > G X TO ARMY EQUIPMENT WILL OCCUR IF THE INSTRUCTIONS X G > E X IN THIS MESSAGE ARE NOT FOLLOWED. X E > R XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX R > > REFERENCE: > > A. MSG, 181759Z, MAY 00, TACOM-WRN CONTROL NO. SOUM-00-014, SUBJECT: > SAB. > > 1. DISTRIBUTION: > > A. THIS IS A TECHNICAL SAFETY OF USE MESSAGE. MACOM COMMANDERS > WILL RETRANSMIT THIS MESSAGE TO ALL SUBORDINATE COMMANDS/ACTIVITIES > WITHIN 24 HOURS OF RECEIPT OF THIS MESSAGE AND ACKNOWLEDGE RECEIPT OF > THIS MESSAGE WITHIN FIVE WORKING DAYS TO: CDRTACOM, WARREN MI// > AMSTA-LC-CIPWM// DSN 786-6096, COMMERCIAL (810) 574-6096 OR DDN > ADDRESS: SAFETYOFUSE@TACOM.ARMY.MIL. MACOMS NOT RESPONDING WILL BE > CONTACTED BY TACOM. > > B. MACOM COMMANDERS WILL ALSO TRACK AND REPORT COMPLIANCE OF THIS > MESSAGE FOR ALL SUBORDINATE COMMANDS/ACTIVITIES TO EITHER MR. AL > YASONI, HMMWV LOGISTICS MANAGER AT TACOM, DSN 786-8398 OR MS. JODY > MCINERNEY, HMMWV EQUIPMENT SPECIALIST AT TACOM, DSN 786-6277 WITHIN > 30 DAYS OF RECEIPT OF THIS MESSAGE. > > XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX > 2. PROBLEM: > > A. THIS MESSAGE IS AN UPDATE TO SOUM 00-014, AND SHOULD PROVIDE > SOME NECESSARY CLARIFICATIONS. FIRST, THIS MESSAGE AND REFERENCED > MESSAGE (SOUM 00-014), APPLY TO ALL HMMWV MODELS. AS STATED IN > REFERENCED MESSAGE, PARAGRAPH 3C, IF YOUR VEHICLES WERE RECEIVED > THROUGH NEW EQUIPMENT FIELDING AND YOU HAVEN'T PERFORMED GEARED HUB > MAINTENANCE AND/OR YOUR SEMI-ANNUAL GEARED HUB PMCS, YOUR VEHICLES > ARE EXEMPT FROM THESE MESSAGES. > > B. WE HAD A REPORT FROM THE FIELD THAT A WHEEL FELL OFF A HMMWV. > THE INVESTIGATION RESULTS CONFIRMED THE CAUSE WAS NON-COMPLIANT > LOCKWASHERS IN THE SUPPLY SYSTEM. THE NON-COMPLIANT LOCKWASHERS > MEASURE .120 INCHES THICK. THERE IS A POTENTIAL OF APPROXIMATELY > 44,000 PIECES OF NON-COMPLIANT LOCKWASHERS. THE PROBABILITY THAT > THESE LOCKWASHERS ARE STILL IN USE IS REMOTE, HOWEVER, THE RISK OF > SERIOUS INJURY, DEATH TO PERSONNEL OR DAMAGE TO EQUIPMENT IS HIGH. > > XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX > > 3. USER ACTIONS: > > A. REFER TO SOUM 00-014; PARAGRAPH 3B AND 3C REMAIN THE SAME. > THE INSTRUCTIONS BELOW ARE SUPPLEMENTAL TO THOSE PROVIDED IN > PARAGRAPH 3A AND 3D OF SOUM 00-014, DATED 18 MAY 00. > > B. USER SUPPLY CLERKS AT ALL LEVELS ARE REMINDED TO INSPECT > LOCKWASHER, NSN 5310-01-213-4185, STOCK (I.E., BENCHSTOCK, SHOP > STOCK, ASL AND ANY SERVICE STOCK) AND DISPOSE OF ANY SUSPECT OR > NON-COMPLIANT STOCK PER AR 710-2. > > C. VEHICLES ARE EXEMPT FROM INSPECTION IF USERS CAN POSITIVELY > DETERMINE THAT THE NON-COMPLIANT LOCKWASHERS, NSN 5310-01-213-4185 > ARE NOT INSTALLED ON THEIR VEHICLE THROUGH THE FILE COPY OF THE LAST > RECORDED MAINTENANCE SERVICE RECORDS, AS WELL AS ANY NEW EQUIPMENT > FIELDED VEHICLES FROM PRODUCTION (THAT HASN'T UNDERGONE GEARED HUB > SERVICE). IF THERE IS ANY DOUBT OF THE TYPE OF LOCKWASHER INSTALLED > OR IT'S SERVICEABILITY, THE VEHICLE MUST BE INSPECTED. ALL HMMWV > FLEET VEHICLES THAT DO NOT MEET ONE OF THE TWO LISTED EXEMPTION > CRITERIA MUST BE INSPECTED. THE INSPECTION AND MEASUREMENT MUST BE > CONDUCTED WITHIN 45 DAYS AFTER RECEIPT OF THIS MESSAGE. THIS > INSPECTION AND MEASUREMENT CAN BE ACCOMPLISHED AT ORGANIZATIONAL > LEVEL MAINTENANCE. ANY HMMWV FLEET VEHICLE THAT HAS NOT HAD THE > DIRECTED INSPECTION COMPLETED AFTER THE 45 DAY PERIOD WILL BE "NON > MISSION CAPABLE" UNTIL THE INSPECTION IS COMPLETED AND CORRECTIVE > ACTIONS TAKEN AS NECESSARY. > > 1. WE HAVE VERIFIED THAT THE INSPECTION/MEASUREMENT CAN BE > DONE BY REMOVING THE WHEEL ASSY (TM9-2320-280-20-2, PARAGRAPH 8-3), > DRAINING THE GEARED HUB (TM9-2320-280-20-2, PARAGRAPH 6-14, STEP 1 > AND BY REMOVING THE STEERING ARM COVER (TM9-2320-280-20-2, PARAGRAPH > 6-14, STEP 2). THERE IS NO NEED TO REMOVE THE LOCKWASHER. YOU CAN > VISUALLY CHECK FOR BREAKS/CRACKS AT THE BEND. IF NO CRACKS/BREAKS ARE > VISIBLE, MEASURE THE THICKNESS OF THE TAB. THE FOLLOWING SUGGESTED > PROCEDURES HAVE BEEN RECEIVED FROM THE FIELD AND ARE PROVIDED AS > ALTERNATIVE METHODS WHICH CAN BE USED TO ACCOMPLISH THIS TASK AT THE > ORGANIZATIONAL LEVEL: > > A. MECHANICS ARE TO REMOVE THE STEERING ARM COVER AS PER > THE TECHNICAL MANUAL, CLEAN THE LOCKWASHER TAB SURFACE AND INSURE THE > LOCKWASHER BENT TABS ARE FLUSH AGAINST THE SURFACE OF THE LOCKNUT > SLOT. > > B. USING A 7/64 INCH ALLEN WRENCH, COMPARE THE ALLEN > WRENCH TO ONE OF THE LOCKWASHER TABS BY ALIGNING THE 7/64 INCH ALLEN > WRENCH WITH THE END OF THE LOCKWASHER TAB. IF THE LOCKWASHER TAB > THICKNESS IS EQUAL TO OR LARGER THAN THE 7/64 INCH ALLEN WRENCH > THICKNESS, REPLACE THE LOCKWASHER. IF IT IS LESS THAN THE 7/64 ALLEN > WRENCH THICKNESS, YOUR LOCKWASHER IS CONSIDERED SERVICEABLE. > > C. ANOTHER METHOD TO CHECK THE LOCKWASHER THICKNESS, > OTHER THAN USING THE 7/64 INCH ALLEN WRENCH, IS TO COMPARE A > KNOWN GOOD LOCKWASHER, NSN 5310-01-213-4185 TO ONE OF THE LOCKWASHER > TABS INSTALLED IN THE GEARED HUB. THIS CAN BE ACCOMPLISHED BY > SIMPLY SLIDING THE KNOWN GOOD LOCKWASHER AGAINST THE LOCKWASHER TAB > INSTALLED IN THE GEARED HUB. IF THE LOCKWASHER TAB THICKNESS IS > LARGER THAN THE KNOWN GOOD LOCKWASHER THICKNESS, REPLACE THE > LOCKWASHER. IF THE THICKNESS IS EQUAL TO OR LESS THAN THE KNOWN GOOD > LOCKWASHER THICKNESS, YOUR LOCKWASHER IS CONSIDERED SERVICEABLE. > > 2. THE ONLY ALTERNATIVE TO THE PROCEDURES ABOVE OR THE > PROCEDURES STATED IN PREVIOUS SOUM 00-014 IS REPLACEMENT OF THE > LOCKWASHER. > > C. UNIT COMMANDERS, CONTACT YOUR LOCAL TACOM LOGISTICS > ASSISTANCE REPRESENTATIVE(LAR) OR YOUR STATE SURFACE MAINTENANCE > MANAGER UPON RECEIPT OF THIS MESSAGE FOR ASSISTANCE. FOR ASSISTANCE > IN LOCATING YOUR TACOM LAR, SEE PARAGRAPH 6C. > > 4. TACOM/PM ACTIONS: THE INFORMATION PROVIDED IN THIS MESSAGE WILL > BE PUBLISHED IN AN EQUIPMENT IMPROVEMENT RECOMMENDATION (EIR) DIGEST > ARTICLE (TB 43-0001-62) NLT 4TH QTR FY00. > > 5. SUPPLY STATUS: THE LOCKWASHER, NSN 5310-01-213-4185, IS DEFENSE > LOGISTICS AGENCY MANAGED AT S9I, DSCP, PHILADELPHIA. THERE ARE > CURRENTLY 21,538 LOCKWASHERS IN STOCK WHICH S9I IS CONTROLLING > FOR RELEASE OF HIGH PRIORITY REQUESTS. THERE ARE ALSO 239,000 > CURRENTLY ON ORDER AND EXPECTED AWARD OF AN ADDITIONAL 200,000 WITHIN A > WEEK. PROJECTED DELIVERY RUNS FROM 50,000 TO 100,000 PER MONTH > THRU OCTOBER 2000. > > 6. POCS: > A. MS. JODY MCINERNEY, HMMWV SUSTAINMENT TEAM, DSN 786-6277, > COMMERCIAL (810) 574-6277, E-MAIL: MCINERNJ@TACOM.ARMY.MIL > > B. MR. AL YASONI, HMMWV LOGISTICS MANAGER, DSN 786-8398, > COMMERCIAL (810) 574-8398, EMAIL: YASONIA@TACOM.ARMY.MIL. > > C. TO FIND YOUR TACOM LAR, LOG ONTO THE ARMY ELECTRONIC > PRODUCT SUPPORT WEB SITE AT HTTP://AEPS.RIA.ARMY.MIL. ONCE LOGGED > INTO THE AEPS SITE, SELECT THE LAR LOCATOR SERVICE, THEN SELECT THE > APPROPRIATE REGION, I.E.: CONUS, USAREUR, FAR-EAST, KUWAIT. SELECT > THE LOCATION NEAREST YOU AND CLICK ON A NAME. THIS WILL GIVE YOU A > LAR'S NAME, DSN AND COMMERCIAL PHONE NUMBER, EMAIL ADDRESS, AND > PHOTO. IF YOU DON'T HAVE ACCESS TO AEPS, YOU CAN ALSO OBTAIN THIS > INFORMATION BY CONTACTING THE TACOM SENIOR COMMAND REPRESENTATIVE > (SCR) FOR YOUR AREA. CONUS (INCLUDES NATIONAL GUARD, CONUS ARMY > RESERVE UNITS, SOUTHCOM, AND KUWAIT) DSN 367-6204/6293, COMMERCIAL > 404-464-6204/6293; USAREUR (GREAT BRITAIN, GERMANY, BELGIUM, > LUXEMBURG, ITALY, BOSNIA, KOSOVO, AND MACEDONIA) DSN 375-6128/7436, > COMMERCIAL 01149 621-487-3461/6218, FAR EAST (INCLUDES ALASKA, > HAWAII, KOREA, OKINAWA, KWAJALIEN, AND JAPAN) DSN 315-722-6036, > COMMERCIAL 011 82 32 520-6036/6881. > __________________________________________________________________________ > __________________________________________________________________________ > __________________________________________________________________________ > __ > > > GSNS Officer > Ground Safety Notification System > TACOM-Wrn > DSN 786.6096, COM 810.574.6096 >