1、 MIL-A-7207B (1) 47 W 7777706 02437LB 3 W -_ FLITAT 5ZZCIFICiiTIOI.J %Ge 2, Faragra2h 2.1.- Delete .the followicgt . - - R141L-G513 Generator; Tachometer Four Pcle . I=CL-G6027 Gensrzi tor; Tac5aneter. Two Pole, Aircref t“ Ac? the following under a2plicebl.e headingsr *Q-M-ll Xetals; General Specif
2、 ice tion For Inspection Of iJL-C-sG2 Genen tor, Synchronizing, Engine Analpar, !ho Pole“ PEce 5, iaragraph 3.3.2, line 13.- Delete xinm and ;her efor: “3.3.2.5b- Inktrmeot Case 0 me types I and II analyzcr instrument shall be asseatled in a unit case. Vcriation to this requirement shdl be subject t
3、o the approval.of the procuring activity, The cece for the .Type i1 analyzer hstrUnient shell have 8 cover for controls en wsition cf ony desired :engine eveai throu3,h %bo me af a direct reeding cylinder selector ad linear interpolation cf %e trsce line tc? xithin an eccuracy of 5 crarkshaft deiy f
4、or cc.sbiaed ribretion and ignition eaalysis. -.lysbs .? aly is to be perfo-ned utilizing a. synchronizer defined iri ;zregrz;:?h 3.3.3.3.2. the above reciuire:nents need not apply. %e -Dove requiscxnt sha1.l be checked as. follcrar The re-=,uirersent shrll be held tkroughout 8. Lolnhm engine speed
5、of ._- Linear interpolation shall be possible across entirs face of the tUbe by using e fixed celibretion figure as Al1 reqshezeats of this peregrsph ?ken 2. Provide a vertical sisal on the cathode ray tube from a vibretlon pickdp mounted on the cylinder of Ln operating enzine or fron B suita5I.e ;
6、ilse .GenerL tor synchro9ized: :Ath the analyzer generator. e. 1.leclsu.x-e the distance betseen mrks bn the card en3 convert taese xeesuraents into denees by using 8 cslibration fiwe.which ?E stacdcrd for ell units beerb5 the 58me pert umber. %e number cl 2eree3 be?wecn a %he pe+,tern selector. m
7、rks (adjacent or otherwise) shall be *i +Ri five degrees of the corresponding angle increment indexe8 by I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-7207B (I) 47 m 777770b 0243720 I m f. !he ebove ?rocedure shal1,be repeated-uti1 the 720
8、degrees of the e “Tiir cynchroniwr shall meet ell the r:pplicble rrechanlcz .reqUirments end tests outlined in Specification IEL-D -1 . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-7207B (3) 47 m 7977706 0243723 3 m Xt the caqletion of this
9、tsst the analyzer system shall Le op$+ated, %le q9ality OP patterns will not be evaluatecl, hsdevsr, no electrical or zzacharical fsiluze of the analyzer shell occur. erpxure to rau conditions or approximately 75V with reletive hunidfty of a.3y.xhtely 50 percent the ariaper system md components shal
10、l again be o2erate.d. on the cathode ray tube es a result of fungus test. After 24 to 46 hours Tnere shall be no ap2reciabls chenCe in the pattern presented e Page 14, peregazhs 4.3.2.4.7 end 4.3.2.i;.88 eztirety, Delete these paragraphs in their Pzge 15, parage-h !.+3.2,4.13: fcU.oving therefor: Ee
11、lete entire parPgral;h end substitute the 84.3.2.1+13 Synchronizer assembly.- The test for the synchronizer assably s5lall be in acccrctance vth procedures listed in Specifics- LY :*:i L-G-i 8502 - Page 16, peranaph 4.3.2.4.14, line 2: Lins 4: page 16, puragraph 1;.4.1.2, line 3: KuiTalent device epproved by .ch prc*.wing activity Delete *250Oa and substitute 500. Delete *iO,OOO rzegohzs. and subctitute Rl mgoh*. After minaseta test stind insert or Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
