TECHNICAL MANUAL - Liberated Manuals.com

1 TM 5-2330-378-14&PTECHNICAL MANUALINTRODUCTION1-1 OPERATOR'S,UNIT,OPERATINGDIRECTSUPPORT,A NDINSTRUCTIONS2-1 GENERALSUPPORTMAINTENANCEOPERATOR/CREWPm cs2-6 MANUAL (INCLUDINGREPAIRPARTSOPERATOR/CREW ANDSPECIALTOOLSLIST)TROUBLESHOOTINGPROCE DURESFORSEMITRAILER,LOWBED:40-TONUNITPIV ICSCONSTRUCTIONEQUIPMENTUNITTRANSPORTERT ROUBLESHOOTINGPROCEDURES4-9M870 (CCE)DIRECT SUPPORTANDGENERALSUPPORT(CMI/LOADKING MODEL 4031-F)MAINTENANCE5-1(NSN 2330-00-133-1731)MAINTENANCEALLOCATIONCH ARTB-1 SEMITRAILER,LOWBED:40-TONREPAIRPARTSANDC ONSTRUCTIONEQUIPMENTSPECIALTOOLSLISTE-1 TRANSPORTERLUBRICATIONINSTRUCTIONSJ-1M87 0AI(NSN 2330-01-224-9245)This publicationsupersedesTM 5-2330-378-14&Pdated18 May 1988 INDEXINDEX-1and TM 5-2330-360-14&Pdated 06 for public release; distributionis ,DEPARTMENTOF THE ARMYA3-24A-3TM 5-2230-378-14&PFORINFORMATIONON FIRSTAID, REFERTO Drycleaningsolvent is TOXIC and flammable. Wear protective goggles and gloves;use only in a well-ventilatedarea; avoid contact with skin, eyes, and clothes; andDO NOT breathe vapors.

2 Keep away f rom heat or f lame. Never smoke when usingdrycleaningsolvent. Failure to follow this warning may result in injury or death topersonnel. If personnel become dizzy while using drycleaningsolvent, immediatelyget freshair and medical help. If solvent contacts skin or clothes, flush with cold water. Ifsolvent contactseyes, immediatelyflush them with water and get immediatemedical attention. When drycleaningsolvent Is used, notify the local medical authority (preventivemedicine)and environmentalcoordinatorconcerningmedica l surveillance,respiratoryprotection, and disposal UNDER PRESSURE@Li Wear protective goggles when opening air reservoir drain cock. Avoid contact withthe air to follow this warning may result in injury or death topersonnel. Compressedair used for cleaning or drying purposes, or for clearing restrictions,should never exceed 30 psi (207 kPa).

3 Wear protective clothing (gogglestshield,gloves, etc.) and use caution, to avoid injury to personnel. When opening drain cock, turn face away from exhaust air blast, to prevent eyeinjury. Wear eye protection when working with air under pressure. Failure to do so couldresult in eye injury. Particles blown by compressedair are to wear protectivegoggles when drying metal parts could cause serious eye 5-2330-378-14& followthiswarningmayresultin injuryor deathto Placementofjacksisextremelyimportantwhen workingon placejacksproperlycouldresultin injuryor death. Keepfingersfrombetweenequalizerbeamendsa ndspringendswhilebalancingaxleas it is movedand liftedintoplace. Failureto do so couldresultin seriousinjuryto Hubmay be hot. Beforeputtinghandto hubandbrakedrum,holdhandclosetobrakedrum to checkfor excessiveheat radiation. This will preventskin burnscausedby hotmetal.

4 Brakeliningsmaycontainasbestosfibers. Protectivemaskmustbewornwhileworkingon brakelinings. Failureto do so couldresultin *Wheneverpossible, properlyseatedon rimsbeforeinflating. Improperlyseatedtirescan burstwith 5-2230-378-14&PWARNINGLIGHTSD onotoperatesemitrailerwithburnedoutormis singrunninglights,stoplights,orturnlight s. Failureto be seen couldresultin injuryto surewheelsarechockedbeforebeginningany maintenanceprocedure. Failureto do so couldresultin injuryto HINGEPIN;k Do not work under the gooseneck without lockpins securely in place. Injury ordeath may result. Before removing hinge pin, the part being freed must be supported. If hinge pinis being removed from lower link arm, support end of lower link arm with dollyjack. If hinge pin is being removed from deck assembly, deck assembly must besupported by overhead hoist. Failure to heed this warning may result in injury HOSEMake sure that service and emergency air hoses are correctly installed on towingvehicle and that air valves are open, in order to supply air pressure to trailer.

5 Ignoringthis warning will result in total brake failure, which may result in serious injury or deathto (d blank)TMI 5-2330-378-14&PTECHNICALMANUALHEADQUARTE RSNO. 9-2330-378-14&PDEPARTMENTOF THE ARMYW ashington, ,OPERATOR'S,UNIT, DIRECT SUPPORT, ANDGENERALSUPPORT MAINTENANCEMANUAL(INCLUDINGREPAIR PARTS AND SPECIAL TOOLS LIST)FORSEMITRAILER,LOWBED:40-TONCONSTRU CTIONEQUIPMENTTRANSPORTERM870 (NSN 2330-00-133-1731)M870Al(NSN 2330-01-224-9245)REPORTINGERRORS AND RECOMMENDINGIMPROVEMENTSYou can help improve this publication. If you find any mistakes or if you know of a way to improve theprocedures, please let us know. Submit your DA Form 2028-2 (Recommended Changes to EquipmentTechnical Publications), through the Internet, on the Army Electronic Product Support (AEPS) Internet address is you need a password, scroll down and click on"ACCESS REQUEST FORM".

6 The DA Form 2028 is located in the ONLINE FORMS PROCESSING section of the AEPS. Fill out the form and click on SUBMIT. Using, this form on the AEPS will enable usto respond quicker to your comments and better manage the DA Form 2028 program. You may also mail,fax or email your letter, DA Form 2028, or DA Form 2028-2 direct to: Commander, Army Tank -automotive and Armaments Command, ATTN: AMSTA-AC-NML,Rock Island, IL 61299-7630. Theemail address is fax number is DSN 793-0726 or Commercial (309) public release; distributionis OF CONTENTSPageHOW TO USE THIS \4 CHAPTER IINTRODUCTIONS ectionIGeneral I IPrinciples of IDescriptionand Use of Operator'sControls and MaintenanceChecks and Services (PMCS)..2-6*This publicationsupersedes TM-5-2330-378-14&Pdated 18 May 1988and TM 5-2330-360-14&Pdated 06 December CONTENTS(continued)PageSection IIIO peration Under Usual IVOperation Under Unusual 3 OPERATOR MAINTENANCEINSTRUCTIONSS ectionILubrication Maintenance MAINTENANCES ection IRepair Parts; Tools; Special Tools; Test, Measurement, and DiagnosticEquipment (TMDE); and Support upon Preventive Maintenance Checks and Services (PMCS).

7 4-3 Section IVUnit VGeneral Maintenance VIElectrical System Maintenance ..4-47 Section VIIB rake System VIIIW heels, Hubs, and Brakedrums IXFrame and Towing Attachments XIAccessory Items XIIP reparation for Storage or GENERALSUPPORTMAINTENANCES ection IElectrical System Maintenance ..5-3 Section IllBrake IVWheels and Tracks Maintenance ..5-40TM5-2330-378-14&PTABLEOFCONTENTS(c ontinued)PageSection VFrame and Towing VISprings and Shocks IIMaintenance Allocation Chart for Semitrailer, Lowbed:M870 and and Test Equipment END ITEM AND BASIC ISSUE ITEMS LISTSS ection llComponentsof End Item (COEI) ..0-3 Section IllBasic Issue Items (Bil)..C-4 APPENDIX DADDITIONALAUTHORIZATIONLISTS ection IlAdditional Authorization List (M870A1)..D-2 APPENDIX EREPAIR PARTS AND IlRepair Parts ListGROUP 06 ELECTRICAL SYSTEM0609 LIGHTSSTOP LIGHTS AND WIRING HARNESSELECTRICAL REDUCTION BOX AND CONTENTS(continued) AXLE ASSEMBLYAXLE SUSPENSION.

8 99-1 AXLE ..1010-1 GROUP 12 BRAKES1202 SERVICE BRAKESBRAKE SHOE ..1111-11206 MECHANICAL BRAKES SYSTEMAUTOMATIC SLACK SYSTEMAIR BRAKE LINES AND BRAKEAND SPRING BRAKE RELAYAND MULTI-FUNCTION 13 WHEELSANDTRACKS1311 WHEEL ASSEMBLYHUB AND DRUM AND DRUM AND DRUM , TUBES, TIRE CHAINSTIRES ..2222-1 GROUP 15 FRAME1501 FRAME ASSEMBLYGOOSENECK ANDLASHING CARRIER AND TIRE LOCKSPARE TIRE CARRIER AND MOUNTING 2626-1 GROUP ..2727-11605 TORQUEANDRADIUS RODSTORQUE ARM ..2828-1 GROUP 18 BODY CAB HOOD AND HULL1805 FLOORS, SUBFLOORS, AND RELATED COMPONENTSFLOOR ..2929-1 FLOOR 5-2330-378-14& 22 BODY, CHASSIS, AND HULL ACCESSORYITEMS2202 ACCESSORY ITEMSREFLECTORS AND 3131-12210 DATAPLATES AND INSTRUCTION HOLDERSINSTRUCTION PLATES/DATA PLATES AND 33 SPECIAL PURPOSE KITS3307 SPECIAL PURPOSE KITSADAPTATION 94 REPAIR KITS9401 REPAIR 95 GENERAL USE STANDARDIZED PARTS9501 BULK MATERIAL, Cross ReferenceIndexesNationalStock Number Number DurableItems GILLUSTRATEDLIST OF KELECTRICALAND BRAKE 9-2330-378-14&PHOW TO USETHIS TECHNICAL MANUAL provides you with the information you will need to operate and maintain the M870 orM870Al 40-ton must read and understand this MANUAL BEFORE operating the M870 orM870Al information contained in this MANUAL is presented in five chapters and 11 appendixes, one of which is arepair parts and special tools list (RPSTL).

9 Each chapter is divided into sections covering operating proceduresand/or other information for specific systems or that Appendix A of this MANUAL gives the full title of everymanual,form, pamphlet, orotherdocumentreferenced in this indexing proceduresare used to help you locate information quickly: Cover index. Lists chapter titles and important parts of this MANUAL , with correspondingpage chapterorpartlisted is boxed in, with a black outer edge that is in linewith the first page of that chapteror part. Table of contents. The table of contents follows the summary of warnings. The table of contents lists allchapters and sections numerically, with correspondingpage numbers. Section indexes. Each section starts with a numerical listing of all paragraphs in that section. Alphabeticalindex. The alphabeticallyarranged subject index starts on page Index-1.

10 TEXT AND .Each chapter is divided into sections; each section begins with a numerical listing of all paragraph in the maintenance chapters (3,4, and 5) contains thefollowinginformation, as appropriate: The common or special tools and test equipment required to perform the procedures are listed undertheheading "Tools/Test Equipment."Information ( , part numbers and national stock numbers) for allcommon and special tools is given in Appendix B. Materialsandmandatory replacement parts that will bediscarded during performanceofthe procedurearelisted under the heading "Materials/Parts."A materials/partslist does not contain items that may bereplaced if found defective during inspection. Also, the list does not contain the item cited in the paragraphtitle. Information on materials is in Appendix F, and information on the mandatory replacement parts is inAppendixi.