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Kodak EKTRA Service Manual
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Kodak EKTRA Service Manual

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SERVICE MANUAL
FOR
KODAK "EKTRA"
1943
SEPTEMBER

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Summary of Contents for Kodak EKTRA

  • Page 1 SERVICE MANUAL KODAK "EKTRA" 1943 SEPTEMBER...
  • Page 2 Instructions A-237 Repain:Service 1943 September- EKTR.(· SERVICE KODAK MANUAL Disassemblv of the Kodak Ektra e Lens and Magazine. (See Instruction Manual, pages 15 and 17) Housing Range e Speed Setting Knob ew #12177, us• A.· of tool #500C, and Up­...
  • Page 3 · out; block w so.·end of shaft will not be bent. · Remove Case Lo�k Screws and Case (2) #55320, Latch Co�er fr�m �ottom of Kodak. #78036 Remove Lower Bearing (2) #78050, Wind Screws ­ ing Cu�tain #730E3, Assembly Lower ·Be�ring...
  • Page 4 R�move Curtain Shaft Retainer S�rew #66892, and Curtain Shaft Retainer located on #64943, bottom of Kodak at right end. Lift out the small Curtain Roller Shaft Bush­ ings (2) #64950. •. Remove the Curtain Roller Assembly-Short ··...
  • Page 5 ._'!_ - 4 - r­ t_" • Remove· Tripod· Nut and Lens Lock: · . Rem6ve Key to Lens Mount Screw which #72140, reached th�oGgh the' hole in the Tripod and the flat Lens Mount Key which #63909 Nut, · inside the lens mount.
  • Page 6 �·----:: ..� #500-JJ) Use supporting block tool under back NOTE: of case while working on the top of the Kodak edge to keep it in an upright position. · Reassemble Intermediate Winding Gear and Main Drive Shaft. Before reassembling Main Drive Shaft and...
  • Page 7 - 6 - -";•:: :.� =-� -� ..Spring Place· tfie in Shaft B_atche . t .. .:-�---�- #72143 over the Intermediate Win�ing Gear Shaft, with the long end toward the case, slip the short end down over th� edge of the Winding Gear Pawl.
  • Page 8 Screws (4) #72141 and screw them down tight.· Reassemble Long and Short Curtain Rollers. Note: For all oiling purposes on the Kodak Ektra and Magazine use Aircraft Instrument Oil. Put a small drop of oil on each end of the shaft. Reassemble the Curtain Roller Assem­...
  • Page 9 E on the curtain control disc be­ low it, agairrsf which the stop pin R in the upper side of the upper ribbon roller stops, thus stopping the ribbon roller. The late style Ektra has a small Idler Shaft the Winding C�rtain #37537 between Roller Shaft Assembly and the front of the case.
  • Page 10 Kodak. this position the stopping lug � ( see fig. I·...
  • Page 11 -�-;"- '.� Turn the Kodak upright and turn the upper � ribbon roller so the s top pin is toward the back of the case. Put a small drop of oil on the hub in the roller, and drop the...
  • Page 12 � To reassemble the old style Win ing Cur­ tain Roller Shaft Assembly place the Kodak face down with the right end toward you. Hold the winding curtain roll­ er shaft as8embly with the Winding Curtain Clamp directly toward you.
  • Page 13 - i n g,1s directly toward the right end of th� Kodak. Then put the Lower Bearing Screws into #78050 place .
  • Page 14 Kodak without the idler shaft or two half full turns on the late style Kodak. Turn the shaft of the wide cµrtain clock­ wise until the slack is out of the curtain; then give it two full turns more on the old...
  • Page 15 If t e is up and down using Tool #500 ay in this lever, drop down and the end will when the Kodak in the hani s is h upside down. Check Shutter Locking Lever for Motor. Motor #63284 Shutter Locking Lever for work £reely on the Shutter Locking L...
  • Page 16 Swing #64341 the Shutter Release Lever set the mechanism plate down on the top of the Kodak, and mesh the Curtain Intermediate Gear-Large #77932 see Fig. 3) ( the underside of the in to the Curtain Wi�ding Gear...
  • Page 17 - 16 - ;�:·:;k-.,. � little pl y in the trip lever, between the· Shutter Lock Stud and the end its travel the left. Note� .The clearance between the Shutter Lock ud and the left end of the Trip Lever will ·...
  • Page 18 ,�h��� - 17 - � Hook the end of-Release Lever Spring #35386 . ·::. -:: .; ;_ � · over the spring stud in the release lever. The old style Release Lever Spring fits #72181 over the release lever stud, and hooks on the mechanism plate near the stud and in the notch in the side of the pallet bracket.
  • Page 19 - 18 - ..-- the shutter before it is fully wound. In this case bend it back little. The lug on the re­ lease lever should be in such a position that it will release the shutter easily, but not release until it is fully wound.
  • Page 20 - 1 9 ���- When the Main Drive Shaft comes up to a .> �-=· full wind, the Winding Gear Pawl #64984 should ..drop into the last tooth without having to force the Main Drive Shaft. The Main Drive Sha.ft should drop back .00211 or .00311 when the winding pressure is released.
  • Page 21 Grasp the flange of the upper ribbon roller with a pair of tweezers, and pull it toward the right end of the Kodak. If it turns, it is already • released, and is releasing too soon.
  • Page 22 - 21 • If the wide curtain does not release until � �::.:-- _ after the narrow curtain releases, there will be no opening as the curtains pass the aper­ ture, and no exposure. Delayed Action Release. Adjusting Wind the Delayed Action, using Tool #500 -­...
  • Page 23 When retard lever away from the case, the starts to move toward the front of, - ""the Kodak, and housing can be brought down to the case with .. n- retard lever stud behind the lever.
  • Page 24 The curtain roller spring ad­ justment for 1/25, 1/1000, and 1 second can be made with the housing on the Kodak. For all other speeds it will be necessary to remove the housing, make the adjustment, replace the housing, and check the speeds.
  • Page 25 t - - - - - --�·�-- It is very important that the NOTE: width of the slit between the curtains be kept within these limits. If the open­ ing is too wide or too narrow it will af­ fect the illumination of all pictures 1/1000 taken at...
  • Page 26 - 2 5 6.) DO NOT put any tape on the ribbon rollers, under the wide curtain ribbons. This would narrow the slit, but it will also cause ..streaky film. If the slit is too wide or too narrow to adjust in the above manner, it will be necessary to pull the two rib­...
  • Page 27 - 26 .. . wide curtain pull away from the narrow ----- .: : - curtain a little faster, therefore, giving � � longer exposure. Decreasing the tension of 1/1000. the wide curtain will speed up the 3 .) Usuaily a turn, one way or the 1/1000...
  • Page 28 Back Lash Spring. This spring must have a l ittle tension on it at all times. On the l ate styl e Kodak which has no Re. t a.rd Lever Spring, the Back Lash Take­...
  • Page 29 . train, . 3.) When the Range Finder Housing is on the #78033 ( Kodak, Bulb Lever Stud Fig. performs the function of pushing the retard. lever. out, or allowing it to...
  • Page 30 Remove the range finder assembly from the case, and.the left range finder window from the housing; then put the housing on the Kodak, turn it upside down, and look through the window opening. The bulb lever stud will strike the retard lever at approximately the positions shown in Figs.
  • Page 31 ==-:'__� � �;- - 30 - center of the bulb lever screw #78030 �-�· ::._ ·- In moving the Fig. 10). 1/10 from one side of the index line to the other, the point of the retard lever should travel on about the center third of the flat side of the stud, and the retard lever should not move in or out.
  • Page 33 The pin in ta rd lever moves toward the back of the re the Kodak, and carries the bulb le e r with the left end of the back lip it until strikes the upturned lug on the front end of the release lever.
  • Page 34 Be sure it is turned clockwise as far as it will go. With the Kodak face down, the top away from you, turn the winding gear until the groove in the winding curtain roller...
  • Page 35 Kodak, f t end of it up ag a i n s the left edge of groove in the winding c r ta i n roller. Assemble...
  • Page 36 Turn the curtain roller long, so the section that is coated with Vulcolac is toward the left end of the Kodak, and the right edge of the strip Vulcolac is just visible below the right edge of the curtain roller short.
  • Page 37 Wind the shutter to see that the curtain lies smooth and straight across the back of the Kodak. it pulls to one side or the other and wrinkles, release the shut:er, pull the curtai�...
  • Page 38 When the curtains are properly adjusted, put the Kodak in an oven that can be kept even temperature of from 110 to 115 13 hours. This thoroughly dries the Vulcolac, and prevents the .cur­...
  • Page 39 I speeds · as described in inclusive. View Finder. Adjustment lens into the of the Kodak. rew a front Check Finder Lens Bracket that it has #73093 see Fig. very little works side play, absolutely free.
  • Page 40 This is im­ #57278. portant, because when the Range Finder Hous­ ing is on the Kodak there is very little clearance between the end of the Finder.Lens Bracket and the Erecting Prism Mount, and if the light guard is not up on the edge of the Prism Mount it will p�event the Finder Lens...
  • Page 41 . . . the Erecting Prism Mount. When the Front Finder Lens Bracket is work­ ing properly, mount the Kodak on the mount­ ing plate of the view finder aiming target Tool No. 500, 1-2) be sur e it is screwed tight to the p la te.
  • Page 42 Adjust Halving. With the Range Finder Housing on the Kodak, and the Housing to Case Screws tightened, look through the Range Finder at the tri­ angle on the chart.
  • Page 43 End Prism to� lo�, Mount Screw clockwise . Check the range finder with the housing off the Kodak and adjust it until the triangle looks like Fig. Put the housing on ·the Kodak, screw the Housing to Case Screws down tight, a.nd check the Range Finder.
  • Page 44 The Range Finder can be adjusted any one of the lenses for the Kodak Ektra, and will give the proper focus for that one lens, regardless of the lateral position of the focus lever.
  • Page 45 Kodak. If it is to the right of the upper line, b�nd the lever toward the left end of the Kodak, being careful not to bend it in or out. Put the 153-mm. lens on the Kodak, and readjust the coincidence.
  • Page 46 .-.:!_._. - 45 - .;• '.w!" " � �: • � 2.) If it cannot be removed with Tool No. slip Tool No. T into the Accessory Finder Bracket #7-3041 on to � of the Range Finder Housing (see Fig. with the large hole over the cap.
  • Page 47 Asse mbly #73069 the front Kodak. ;· ·• sure the four milled bearing surfaces inside the Kodak case and on th e front the magazine This is clean. important, particle s of dust or ur fa dirt on these s...
  • Page 48 · 4 .) Place the magazine on the Kodak, and check all four bearing surfaces. Readjust, necessary, until they are all within the...
  • Page 49 - 48 - 8" " . toleran ce,· . 00 The four bear­ .010 r,,- surfaces and the film track will now be in focus, the film track and pres­ sure pad will be square with the lens. Check and Ad Put the back on the magazine and lock it.
  • Page 50 - 49 - �..:: - -­ ..-..Shutter does not close on second or bulb. r·. Cause Remove the shutter The retard gear train mechanism plate as­ is dirty and sluggish. sembly. Wash out the retard gear train by running it in Carbon Tetrachloride, then...
  • Page 52 - 5 1 -;· : �:� ·. · Delayed action doe�: not work. Cause The delayed actid_n gear Wash out the delayed train is dirty And slug­ action gear train in Car­ gish. bon Tetrachloride, run it out in graphite, 49) .
  • Page 53 - 5 2 - Both fields of range finder blank. Cause Fit new Coincidence Coincidence Prism Assembly separated fr9m base. Prism and Base Assembly '" . #8678 5 . Exposures overlap. Cause (a) Adjust the release (a ) Shutter can be released lever so before it is fully the shutter...
  • Page 54 - 5 3 �·...: �· · :.· . :� 15 . Magazine Casting broken near upper end of sprocket. Cause Trying to wind the magazine Fit magazine parts to a new Magazine Casting without pushing the rnaga- #65100. z ine shutter slide over to "...
  • Page 55 r � - 54 - DISASSEMBLY OF MAGAZINE Remove and Disassemble Back. Unloc he back, pull the hinge p n out as far as possible, and remove the back from the magazine. #74111, Remove the Film Tension Pad Screw #73033 then remove the Pressure Pad Assembly by pulling it slightly toward the right end ·...
  • Page 56 - 55 - --- -.:.�_...: : #73046, Guard Assembly slide the shutte r slide back ove r the clip, pry up the . free side of the shutte r slide until the two prongs rest on the clip, and slip the shutte r slide off.
  • Page 57 - 56 - With the long screw driver (Tool No. 500 U), remove the Key Plate to Magazine Screws (2) #72117. Then remove the Dummy Key Plate #65111, the Magazine Counter Dial Assembly #73103, and Hinge Pin #65134. On the late style magazine, remove the Sprock- et Shaft Lock Spring Screws (2) #86605, the Sprocket Shaft Lock Spring #86604, and the Sprocket Shaft Lock...
  • Page 58 � -- - - 57 • T.��- shaft the old style Sprocket Clutch #65032 does not come off the Shaft, unless the pin is removed Be sure the Sprocket Sleeve spins freely on the Shaft, and the Clutch slides in and out without binding on the.
  • Page 59 - 58 - Turn the Sprocket Shaft until it stops against the Sprocket Shaft Lock. Lay the winding gear key gauge (Tool No. 50 on the magazine, 0 E) check the angle of the Key, which should turn past center to approximately a five degree angle (see Fig 21).
  • Page 60 - 59 - - -- :! . ��· . -: #73036 Put the Rewind Crank Assembly into the with the handle pointing toward the casting, left end of the casting and parallel with it, and assemble the rewind Key Plate to Maga­ (2) #72117.
  • Page 61 When the. magazine is put on the Kodak, the bottom of the Kodak presses the lock in and unlocks the Shutter Slide. Fit New Magazine Shutter Slide Assembly. When fitting a new Magazine Shutter Slide...
  • Page 62 ..· ·- ·- �· · Fit New Magazine Shutter. #65006 The Magazine Shutter should not 1-17/64 11 be more than wide. If it is, trim the excess stock from the lower edge, edge having a rounded corner on the end with the holes�...
  • Page 63 - 62 - Clutch does not bind in the Core. Put the Clutch and Core through the hole in the µpper side of the magazine, and slide it into the Take-up Spool until the groove near the bottom end of the core is close to the bottom end of the slot in the Take-up Spool.
  • Page 64 -_-- - 63 - -.;._ - . :.-'-· ,-�; end of the Throwout Lever, which will move the left end down away from the Take-up Spool, disengaging the Take-up Spool Clutch and the Sprocket Shaft Clutch. This releases both the Sprocket and the Take-up Spool so they will turn backward freely.
  • Page 65 6 4 - . . . -_.-- Hook one end of the Winding Handle Return Spring over the stud in the groove of the #65133 ·Winding Bearing Assembly Hook the other #73030. end on the stud in the Winding Handle Assembly and put the handle in place on the back, #73028 with the Spring in the groove of the Bearing,...
  • Page 66 Latch the prong is Gase Cover. not short enough to over the flange of slip Latch Case Cover, and allow magazine without first to be removed from the Kodak moving the Shutter Slide to "Unlock" posi­ tion.
  • Page 67 If there no clearance between ends • e magazine and the K ends of t h e Kodak can be bent out a little by pounding them with a fibre or rawhide • hammer. break the casting. If there is no clearance around the key...
  • Page 68 '· llluminA.tion and "?ilm 1. 'n. nd Lri·d c�er· ll'ith 13 r--:ll nf :"':::1 1 :. x. cx··.1:;; . 1re hi:.• l;.· CasaE-ttA mus!. \l l"&!-. n.,t -.:1 :r� . " ..., Fi l::n must osi �lv� ;.:�d1·,r· ... ,.,..,1 .,, v e a '.I! tc;.:e u-,...
  • Page 69 KODAK EKTRA CON'T � ---- Use direct current illuminator c.w. L/19/!8 1/25 No illunti.nation test need be �ade on speeds below If aJJ. � 1/10 second shutter speed. i s rerfect, illumination shots are ok. and the illumination shot would be alright.
  • Page 70 ...: ·� KODAK 'SKT"R._'\ ·-· TWO ROLL ::pcnrrnG �C:JF'.JULF. FIR�T ROLL Horizontal finder Vertical finder 13 ' h" !.to 15'. 1 7 1 Inf-scale ..25 1 �cale 25"- move scille from Inf. to R.F. 25 ' R. 1 to 25' "...
  • Page 72 FIG URE 2 PALLET ASSEMBLY ---- -·- · 78061 RETARD LEVER AS SEMBLY SACK LASH TAKE UP SPRING SCREW SHUTT ER MECHANISM 83491 PLATE 64844 DELAYED ACTION SHUTT ER LOCKING CAM RC: LE ASE 64876 LEVER CURTAIN INTERMEDIATE GEAR €>4841 SMA LL 77933 SPEED SETTING SHAFT...

  • Page 73: Shutter Signal

    FIGURE 4 ­ VIEW FINDER C OMPEN SATING LEVER KN OB849"'40 TOP VIEW RANCE FINDER SPEED DIAL WINDOW EYELET 64976 2 157 KNOB 78029 v1e:w N D E R BEZEL 77927 ASSEM- LENS MOUNT BRACKET 5CREW B UTTON B L Y 3 0 9 4 72153 LE VER...
  • Page 74 FIGURE 6 ::._-L;..;� SPEED THROWOUT LEVER 6 4 83 2 LOCKING MOTOR TRIP LEVER AND SPRING 64832 ASSEMBLY 73080 COR COUNTER OPERATING' L EVER ASSEMBLY SPRING F'OR SHUTTER 78039 MOTOR L O C K IN G LEVER LOCKING LEVER 7220 2 64833 SH U TTER L O LEV ER...
  • Page 76 ·---·�- S HUTT ER SPEED TOLER ANCE CHART FOR USE WITH KODAK ELECTRONIC SHUTTER CHECKER FAST LIMIT SLOW LIMIT SECOND MINUS PLUS SECOND PLUS MINUS � SECOND MINUS PLUS �o SECOND MINUS PLUS � SECOND MINUS MINUS Xo oo sccoN o...
  • Page 77 F'RONT FINDER L ENS BRACKET OBJECTIVE BRACKET oeERATING 65 161 ERECTING PRISM MOUN T OBJE C TIVE LENS MOUNT 64933 ASSEMBLY 73101 ERECTING PR ISM AND CO LLECT­ PRISM 57276 IVE LENS ASSEMBLY 57278 .END PRISM PRISM MOUNT AS SEMBLY IN G SCR EW SMALL 73087...
  • Page 79 KODAK EKTRA NOTE: Parts are listed in numerical order according to their assemblies Individual parts not in­ and individual parts listed under each assembly. cluded in any assemblies are listed numerically following the assemblies • . "A" after a part number indicates assembly.
  • Page 80 Retard Lever Dog Stud l (Thick) As req. Retard Gear Plate Release Lever Assembly 73079-A Speed Setting Shaft Release Lever 64861 washer 64877 Connecting Rod for Curtain Intermediate 79-1-BG Eastman Kodak Company, Rochester, N.Y., U.S.A. ?rinted in the United States of America 300-443...
  • Page 81 April 1943 2382 -:-��- • • _,. •• KODAK EKTRA PART PART REQ. OF PART NAME OF PART REQ. NAME Release Small 64878 Delayed Action Re- 64928-ST Rtinge Finder Focus lease Lever Stud *77956-ST Curtain Release End *64933 Erecting Prism Mount...
  • Page 85 April 1943 238 6 ·- KODAK EKTRA PART PART NAME OF PART REQ. NAME OF PART REQ. Pawl Spril18 Magazine complete. 72152 Eyepiece Light Guard *72158-SP Speed Curtain Re- 65100-R Magazine with Lov­ lease Spril18 er Light Guard *72177-SC Speed Settil18 Knob No.
  • Page 86 April 1�43 KODAK EKTRA -- =..::!:- <-'+:.::,. � PART PART NAME OF PART R EQ. NAME OF PART REQ. 73036- Al Rewind Crank Assem- Throwout Stud 73046-A7 Shutter Slide Guard *55321-SC Locking Plate to Assembly Key Collar Screw...
  • Page 87 238� --�-�---- KODAK EKTRA PART PART REQ. NAME OF PART NAME OF PART Yarn *72101-ST Winding Gear Pawl 88228-AlO Magazine Shutter Stud Slide Assembly L.M., Pressure Pad Assem­ No. 73047 - O.S. *65005 Magazine Shutter *73034-A2 Back for Covering *30665-R V...
  • Page 89 Repair Parl1 Lut 2389-( April 1943 KODAK EKTRA 73060-A eegog 61311-SC 4 6 - S I 73081-A 7307 6 -A 6 4 82.5-S T 730!>8-A. 77 920-SP · · -•",' 77 932. :i� 6 4 8 41 BO T TOM...
  • Page 91 � � �- �- •;• > "" ..� )> ..� •4 � � � � ..69367-SC t-tJ • � � � � 65100-R � � t:xJ 6�106 tx.J 6�109-SC � � 65124-SC � t'I1 �...
  • Page 92 Inspection Specifications for the Ektra. This is Kodak to supplement the Inspection Data Sheet. S'=utter t.eck red signal shO'lfs in window on· top of Range Finder housine, the shutter will have to be wound before the shutter speeds T o wind shutter, push the Winding-lever toward are changed.
  • Page 93 the above shutter Conditions to watch.for while making tests: � - � ... -:. r It should n ever take more than-t�o complete strokes of the winding lever to set the shutter lbs. is max­ 1/25 i:mun pull required to set shu ter on second with exposure film.
  • Page 94 (-: - . �- �-·--·�..,� N. Y. Rochester September 16, 1944 Spry: following Ektra Shutter speed tolerances are the same . · those used s Department. in Mr. when the cameras vrnre being made Beal Camera Setting Shutter Machine Tolerance '/._ is:...
  • Page 95 :· . . . - -- - � ·- · -� ..:.. - . • - - :- - -- � � ·I- _._,,,. _ :> ..;. . � : ·--.: .· · .
  • Page 96 --��� Inspect ion Coinolete APpearance -� K odak Detra � K:IT POI!JTS REASONS A;Joe?..rance Black leafoer - creasing - A.nchorage from Brush -?. nd oolish chrome - free lll :3.l" s, s and chi.,s. Range Finder Housing - tight to cas� Out side sat in chrome.
  • Page 98 PART Kodruc Ektra ..- ��.._=t... -- _,.,.:;, Sheet KEY Pon:Ts RE.�01-!S :Both shutter And fil:n winding mech·-.nism �� ?.C e Ua.gazine must be wound be.fore re�lncine ma,g::izine.
  • Page 99 Film Wind P .A.. "l T K o dak Detra - �-t- KEY PO IXTS REAS')US tl� ::: e :i :Sac� catc:ri.ing �·:i No bind or lock W>V�)C resistance. Cassette nrit bind su�nly must s�0ol :Oad Cam e ra web. E.tposure T!.
  • Page 101 P.ART - 'Detra· Kod�k Shutter Inspection Sheet ==: :;eed Close shutter - set 1 1sneed control" :.:nob to injicator on sh.it desired sueed - set '. r n desired e;eed :::- : �e s::.r a e , �­ �ai:ierc?. on m en s press 1 1 Tcst-Ri:;s.=t11...
  • Page 102 ..· ,,,..,. .. Finder Inspection View and R PART- Ko d ak :Ektra I �T�S Magazine must not come 0ff if slide lock Remove Magazine Film is n0t inunlocl-: '.'>0sition. b e covered b y c slide.
  • Page 103 Mechanical and appearance Camera Wind the shutter and f ilm rr.echanism 11ith the windine lever •. Lock the exposure. llove the sl the bottom of camera . to "closed" and loosen the two screws on each side of the front o f the c era.
  • Page 104 ontinued ) - ?"-llls ut ·lfith slight tension - end formed to �� -· case - Does not change position as back is. ::: ::- ::::=se · �1osed ..c:..- \,,or • �ecord - action - smooth - slieht tension. si:..-e ·- ?.z;ii...
  • Page 105 Check interchangeability o f camera and gauge respectively. The distance from lens.seat to the pressure pad is . -� . . -. Use gauge to be 1.123 �.001. • Lens Check Diaphragm control ring should move smoothly with slight resistance. The focusing ring have a smooth action - no in or out movement.
  • Page 106 �ind.er heck continued 7ierr 1 - - finder for cut off parallax. Compensating lens frame must be square and in line with view finder· wind01r frame. Remove ground glass - close back - release shutter - remove cable release - remove camera from fixture. With master le ns gauge check the range of the ranee finder to...