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• ~° <br />Miller Time =Maintenance Time .. . <br />90 psi on both drive and steering ax- <br />les. The tires are mounted and wheel <br />nuts on aluminum disc wheels are <br />torqued to 500 ft lbs for steering axle <br />(dry) and 325 ft lbs for drive axles <br />(lubricated). <br />Miller's tire program is managed <br />by fulltime tire superintendent Bill <br />Davis. Almost all Miller tractors run <br />on Michelin radial tires on Alcoa <br />aluminum disc wheels. "The greatest <br />thing we ever did was go to radial <br />tires, and the next greatest thing was <br />to low profiles," says Davis. He says <br />the Michelin Pilote tires save weight <br />and give longer service. <br />Tires on Miller equipment are <br />aired weekly. If a tire has a pressure <br />of 75 psi or less, it is pulled to deter- <br />mine what is causing the air loss. <br />Davis makes regular inspections of <br />terminals to ensure tire airing is be- <br />ing performed. Miller uses air- <br />through stem caps, but Davis does <br />not recommend use of air-through <br />caps unless a fleet has a strict weekly <br />airing program. When tires are <br />aired, the airing date is recorded <br />with waterproof ink on a strip of <br />tape affixed to the tractor or trailer, <br />Taa Na <br />M 38 <br />S[IIYICINO aENfONN[l MUfT INITiµ •RaYLtxd 5-10-Bt <br />[ACM ITEM AnfNDED <br />and the same date is recorded on a <br />wall chart in the terminal shop. <br />Tires are branded and a complete <br />history is maintained on each tire. <br />The history includes the tire's <br />manufacturer serial number so it can <br />be determined when the tire was <br />made, should problems arise. Davis <br />says such problems are rare. Miller <br />runs recaps on tractor drives and on <br />trailers. Recapping is performed by <br />Mississippi Bandag. <br />Tractor PMs <br />Miller has three scheduled tractor <br />preventive maintenance inspections. <br />An "L" inspection is made at 7,500 <br />miles, and "LO" inspection at <br />15,000 miles, and a "B" inspection at <br />20,000 miles. The inspections are all <br />conducted at the terminal level. <br />Most repairs are also performed at <br />the terminal. <br />All failed components removed <br />from tractors and trailers are in- <br />spected at the central repair facility <br />in Jackson. Bill Netherton explains <br />there are a number of benefits to this <br />practice. First, it enables the <br />maintenance staff to make sure the <br />MIIIER TRANSPORTERS. INC. <br />-B- PM OPERATION <br />• <br />component has in fact failed. If the <br />component is still usable, it is return- <br />ed to service. Second, it allows staff <br />to determine if the component can <br />be repaired, and how it should be <br />repaired. Finally, types of compo- <br />nent failures sometime help pinpoint <br />specific equipment or personnel <br />problems. <br />The L inspection at 7,500 miles <br />can be completed in about one hour. <br />The battery holddown, cover, latch- <br />es and cables are checked. The bat- <br />teries and box are washed. The en- <br />tire brake system is checked for <br />leaks. Blower air filter restriction in- <br />dicators are checked. The chassis <br />and U-joints are lubricated, as are <br />cab hood, controls and seat. Lobe <br />levels are checked in the transmis- <br />sion, differentials, steering gear, and <br />wheels. Coolant is checked and the <br />oil filter is changed. Finally, the <br />fifthwheel is lubricated, the whole <br />tractor is checked for leaks, and the <br />mechanic makes sure all grease and <br />dirt has been wiped from seats, <br />handles, steering wheel, etc. <br />The LO inspection at 15,000 miles <br />includes all checks from the L in- <br />TRACTOR N0. - DATE <br />MILEAGE- TERMINAL <br /> <br />NOr OPERATION <br />O i0 <br />i i w l <br />~r 1 <br />RO OKNAlaON <br />o e0 <br />s i w <br />I <br />, ~N OP[IM110N <br />o <br />i~ o <br />ri <br /> I Cne[I la IuN <br />IYOe. and rNer Itali <br />I 27 CnK\ optulwn and [onddwn d nna5n~ta Hoer: 56 CnKI nanlnaf N slann am mourn mass <br /> . <br />__.__ <br />- <br />f -- 57 II[Men IIMIYnUng npns arM [nK1 drrvt DtMi anKM:a, <br /> _7 Ckan hKla Ilwra AI I <br />_ _ _ t Y _ __ _ _ _ I >x ~a~essa_au [oMdanmlcwnaessor <br />-- <br /> <br />I <br />3 w <br />M <br />n 6 <br />M <br />N <br />l I8. tnKl hrt nhngwinn _narti <br />- - <br />58 CNKI rr mlalt Nf DosvOk ka15 <br /> ~ <br />mf <br />U[ <br />wpap <br />r <br />c <br />bw Oil pghl <br />wl <br />CNKI rottmNer <br />1 <br />t <br />rn 1t 29. 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CMChpowr Ovbas bcN SYslem M operatM axl Nr kaxs <br />_ ... _ <br /> p <br />p <br />. <br />q <br />y <br />p <br />, V <br />. <br />ICummON 6 MKl CMCO release <br />orb Bbras <br />I t3 CnttY nosh _ test ftrten ___- <r 76 Remor_nd clean annenlul aeNnpf _ <br />-- <br />N , <br />16 Re[aA Ih[\nns of aa\e hmng an Imm~nl sNae <br />u - ---- -- <br />11 Cnen Ian alb has shad la trat\s LEMen mounhnt Ralf _ -t - <br />- C z <br />`a a~ n cnKl ,la hgaen lonsmawn ana was ease n.YSmg ,ne <br /> <br />_ <br /> <br />t <br />17 CNKI aN Ugm15 _ wID lomis_YOlts_ <br />Mngn pearmts _ __ s <br />I p <br />G --_______ <br />IS Cn_tt1 snullns M hats and proper 0ptralwn _ <br />_ <br />_/9 CNetY Name ~M members la crK\s GIN b0uness <br /> It Cnttl Iransmisswn, dlllnenlwl <br />purer tale-al ,na ppras 16 CNKI radwla m0unllnl ppnf orb ilaT ra0i <br />~ <br />80 cnK~ luel and an I,n1_mounllnty aM Nehle" <br /> _- Omder input ana output tMn Oeanngs -_ __ <br />19 tNHI ax spings ana NrOUe u Oohs _ <br />~ _ t7 CNM Hood Hinges ana ins aM aa[Ith <br />t8 tnKl Ian nuO lOehodl a rater pump INacl) Ia slxa ~~ <br />r rg BI Cntt\ ttnausl pees and mulllass tar ka13 aM htMM <br />n~nl-L---- <br /> TO tntt\ alb la a aN en me ana pan was wDpats ~~-~ -- <br />au t ___--__-__.- _ <br />~ ' <br />I.- <br />~ <br />__ /9. Ckan tiler <br />pump reeD Hole ~ 6V92 x <br />~ <br />?i <br />au B7 CnKI rlwunlttng pons an oD. Dumpn. and rnr Ie110lfs On <br />ap arer <br />n I u0 bkT <br /> _ __ <br />11. CNKI aslance Deheen dote ask cenlen ' ! <br />; <br />ana lal[nef <br />50 CNKI DaxM O0a MM'd01rn <br />can . <br />83CnK1 tea end raalYas, fa[In 8 la ue arm <br />_ _ _ 0 0ufanp <br /> _ _ _ _ __~_. <br />and sWnes la <br />U lams <br />77 CnKI aeaswg caamn Drnmts , <br />. M [Ikt1 hRn rneel la sleet <br /> . <br />. <br />~~55 <br />L <br />~ 51. CNKN h,OrOmNas NaOmg N eKN tNl 16 s6R DNIasNt) <br />I <br /> _ <br />_ _ _ <br />-_ ~ - - ~ 57 fNl rdN pIN N aoDas hest ~ f6 lxartale IatN rnM <br /> 13 CNKI aM htNIM SlRnng gemanlrng 00111 <br />-~- ~._ = Ulacl r0xaga rapYb 1f <br />6 - 11 <br />0 vops <br />S5 I <br /> 71 CnKI la befMeis a ter m Oenmt urns. drat pasts, <br />~ . <br />. <br />. Y <br />I gg CnKI Iw al aM lope kNs <br /> PYman rm. ik ro0 Md5 JIM \mg pm <br />~ St TIgMM aM spq OaOery code ckmpf 1 [~ gg Nla tease on sknmt rneN. oast. SeNS_ Goa NaAOn <br /> 75 3e1 hint nneNS N 1Y16~ ke~m tnK\ IIpN an 90 PohfA IrKNr d nttaD <br />Miller's comprehensive "B" tractor inspection is performed at 20,000 miles. <br />32 Modern Bulk Transporter <br />