Document 1Bek5DR3yJx9Go4oe7qjQ1NE

OPEN. TURBINS CASINO, remove rotor. In photo, hordwood spoccr slob prevents sting's wire cobles damoging the blades if.:'. -V INSPECT wheel lacking-holes for crocks; atl moving and slotlonory blades ond noxiles, lor crocks, erosion, corrosion MuuiD nahm end rode rudiment come with a taw love of machinery and years of experience. This machine should Let's Inspect and Overhaul Your Steam ;, .-J'swwlce because it's In good bends fTurbine Now By STEVE ElONXA, Attochte Editor m: TuftBinu arc sturdy, need little at* II you're not prepared to do the Job may cause failure. Replace worn puts, 'M *f.'lhe jscking-holce in the turbine rotors. tention. But you must open them (or e general check-up every to often, depending on service and operating eon* ditions. yourself, be sure to have turbine firm supervise this important work. An ex perienced man will know what telltale signs to look for and how to eorrect clean and assemble coupling. Right way to check clearance be* tween split bearing and journal is with %d inside and outeide micrometers. Mike y. Corrosion can be serious if valves seal properly in sealing, drain, throttle end header valves during idle ^periods.-Then steam condenses in tur- QUICK clearance check of moln bearings without taking teods ,1s to use feelers as shown before toklng bearing off shofl When John Wolf, chief engineer of them so machine won't have to be shaft. with outeide micrometers, then ^i.sbine, doing damage. Answer is to re- F M Schaefer Brewing Co In Brooklyn, opened again until next scheduled mike assembled bearing with inside v" ^jriad valves sod keep them tight. N. Y., told me he had his small turbine shutdown. mikes at various points. Take the dif open, 1 scooted right over with our Bearings. Turbine shown has ball ference, and that's the clearance. It's good practice to indicate rims of ^.'."turbine wheels while machine is open. photographer Krias Grube. It isn't often bearing thrust Most operators find it Kotor, Stationary Dements. Turbine's ,'i'(.'Retion is that years of operation and that an editor and a turbine can get good insurance to remove thrust and efficiency depends on high-velocity ^ ^temperature changes cause growth and together during general overhauls. Then replace with new every time turbine steam. So slightest internal defect can distort turbine casing, rotor and no- John Nussbautn, the plant's first as opening (s scheduled, regardless of be cosily. First, keep steam clean so Ijt.lionsry elements. Turn rotor slowly sistant engineer, and Arthur Stamper, wear. Reason is that thrust bearing's there is no deposit on blades. Soluble '^,v*Hiie indicating wheel rims. Also, take assistant engineer, saw that I got the photos l wonted. Check-Up. A mochine running at con- failure can wreck internal parts hy rubbing them against, each other. Flexible Coupling. If you have this deposits usually form at earlier turbine stages, insoluble deposits on middle and later stages. Whatever kind, deposit '^clearances between each wheel oi rim check with previous figures. !>>?,. Safety. Don't take chances. (Jse right stant load with (aw shutdowns need not be opened as often as one on etort-andtop operation. That kind of aervice causes high-temperature stresses from quick-starting, sudden losd changes. type of coupling, dismantle and check for wear, shoulders and galled surfaces. If coupling does not work right, it may transmit thrust from connected machine to thrust bearing. Then overloading restricts steam flow, cuts efficiency. Remove deposite, inspect moving and stationary blades carefully for erosion, * 4l.corrosion and eracks. Cracks forrttsn taround blades and spread out from Vaulting gear end tools. Have only reA cponsible men on Job. Clean all part* ^".thoroughly and remove dirt with vacuum l-'r.hose. Check everything yourself to jv.S'jnske sore no slipup increases outage. DRIVE now thrust bearings on shaft .if old ora worn. It's good -insurance to .install new ball-thrust ot eoch overhaul StANT OPERATION ANO MAIN]ENANCf SECTION 4rowf* . v 1933 FlANt OPERATION ANO MAINTENANCE SECTION 2m