compur rapid shutter
Contents
1. of shutter has been changed to ease manipulation of illustrated parts i Figure 115 TIMING OF THE COMPUR RAPID SHUTTER The retard section of the shutter should still not be tightened down While slightly loose the speed timing may be adjusted The retard section can be moved to serve two purposes l The stroke of the retard lever at its end of the retard section may be controlled s 2T rapid027 rapid028 COMPUR RAPID SHUTTER 2 The amount of engagement of the pallet at the other end of the retard section may be changed Move the pallet end of the retard section towards the center of the shutter for less engagement of the pallet and shorter exposures on the speeds in which the pallet is used 1 to 1 10 sec Move the otherend of the retard section toward the center of the shutter to increase the lengthof the retard lever engagement with the main lever for a longer exposure Overmovement is possible a point can be reached where the retard lever will hang up the main lever preventing complete action of the shutter v In order to simplify the adjustment of the retard start with both ends of the retard sectionall the way toward the center of the shut ter then back the retard lever end off slightly and tighten the screws Test the adjustment by setting and releasing the shutter but you must hold the main lever down when operating the shutter in this manner Fig 116 On automatic T and B models the speed cam cont2. on the main lever to which the main spring isattached is between the bulb lever and the lens barrel while lowering the main lever until it reaches the position Start of Main Lever Installation with Free End of Main Spring under Inner Release Lever Note Clock position of shutter has been changed to ease manipulation of illustrated parts Figure 11 a 28 COMPUR RAPID SHUTTER shown in figure 112 The main lever should now be resting on top of the inner release lever and pallet lever Now connect the free end of the main spring to the bracket at the endof the retard sec Partial Installation of Main Lever Figure 112 tion Be sure that the coils of the spring face downward from the connecting loop of the spring Fig 113 Hold the main lever down opposite the setting lever and pull the main lever clockwise until it settles down against the main lever stop stud Fig 114 Still keeping the main lever held down push the pallet lever towards Partial Installation of Main Lever with Main Spring Connected 26 rapid026 COMPUR RAPID SHUTTER the outside of the shutter and the inner release lever towards the lens barrel Fig 115 so the main lever can settle into its proper position Main Lever Stop Stud v Note Clock position of shutter has been changed to ease manipulation of illustrated parts End of Inner Release Lever Pushed towards Center of Shutter Note Clock position
3. plate into the mechanism prevents the plate from turning This locking screw at approximately 5 o clock is usually covered by a diaphragm cali bration scale fastened on the bottom half of the nameplate by two screws Partial removal of the scale will reveal the locking screw Speed Cam at Maximum Clockwise Position bulb setting Internal Portion of Cable Release Socket Cable Release Lever Be careful to avoid disturbing the speed cam when lifting off the nameplate Many of the functioning parts of the shutter can be observed through the openings in the speed cam Rotate the speed cam clockwise as far as it will go holding it down firmly Fig 70 Note The following description of bulb lever operation applies to the Compur and Compur Rapid shutters with set and release bulb action On rapid003 rapid004 COMPUR RAPID SHUTTER Compur models with automatic T and Baction re fer tothe section VARIATIONS IN THE COM PUR RIM SET SHUTTER Automatic Time and Bulb Action Setting and releasing the shutter will now give bulb operation Find the long lever which extends fromthe release lever up to the cable release socket at approximately 10 o clock This is the cable release lever Primarily it provides a linkage between the cable release socket and the release lever to permit releasing of the shut ter witha cable release The cable release lever is spring ten sioned and in constant engagement with the release lever and
4. so controls the action of the release lever which has no spring of its own A secondary but important function of the cable release lever is its control over the action of the bulb lever Using the first finger of your right hand set the shutter and then allow the setting lever to return slowly after releasing the shutter with the other hand Observe how the cable release lever governs the bulb lever actionvia the lugon the right end of the bulb lever Fig 71 which comes under then up against the cable release lever When the release lever is depressed the cable release socket end cf the cable release lever moves towards the center of the shutter al lowing the bulb lever to move into engagement with the main lever Cable Release Lever Controls Bulb Lever Movement at This Point Note Clock position of shutter has been changed to ease manipulation of illustrated parts Figure 7 for bulb action When the lever system is allowed to return the cable release lever picks up the bulb lever moving it out of en gagement with the main lever to complete the cycle Some Compur Rapid models will not contain a cable release socket yet retain the cable re rapid005 COMPUR RAPID SHUTTER lease lever And other models both with and without cable release sockets will use a bulb and cable release lever of slightly different design from the one previously discussed However the differencesare minorand you should have no dif f
5. to the highest speed setting permits the engagement of the free end of the high speed spring between 10 and 11 o clock witha milled section of the speed cam Fig 82 Note NEVER move the speed cam to the highest speed setting with the shutter in the set cocked position The lower end of the high speed spring is engaged with a lug on the main lever Setting ofthe shutter will now put two springs under tension In addition to that of the main spring there is the pressure of the high speed spring which is held in tension by the speed cam With both springs under tension the speed at which the main lever travels is doubled when the shutter is released Set the speed cam at 1 50 second to easily observe the action of the inner release lever Cock the shutter slowly and watch the lever under the speedcam at 7 o clock Fig 83 This lever which employs a seesaw motion during the setting of the shutter is the inner release lever and engages a notch on the main lever when the shutter reaches its full set position Moving the outer release Speed Cam Set at 1 500 sec High Speed Spring Engaged by Speed Cam 10 rapid010 rapid011 COMPUR RAPID SHUTTER Inner Release Lever Note Clock position of shutter has been changed to ease manipulation of illustrated parts Figure 83 lever in turn disengages the inner release lever from that notch permitting the main lever to return to its rest position With the shutt
6. 75 The retard section ex tends from just below this point up to approximately 2 o clock Restrain the movement of the setting main lever when the shut ter is released soyou can see how the retard lever is pushed back after the blades fully open rapid007 COMPUR RAPID SHUTTER Speed Cam at One Second Setting Retard Lever Figure 75 At the other end of the retard section is a lever which contacts both the main lever and the speed cam through a curved projec tion This is the pallet lever Fig 76 With the shutter in the re leased rest position it is possible tomove the pallet lever towards the outside of the shutter with a small screwdriver Fig 77 When the pallet lever is pushed toward the outside of the housing the Pallet Lever Pallet Lever Pushed Towards Outside of Shutter Housing COMPUR RAPID SHUTTER pallet is disengaged from the star wheel During the actual set ting of the shutter a cam like section of the main lever pushes the pallet out of engagement Fig 78 so the retard lever may move easily to its set or ready position The reason for disengaging the pallet during the setting stroke becomes apparent when you operate ashutter that does not disengage the pallet during the set ting stroke Some models of the Flash Supermatic are good ex amples When setting shutters of this type the entire escapement is inoperationas the retard lever moves to its ready position Since the only power available
7. Before re moving the retard section from the shutter follow the above pro cedure bringing the retard lever towards the outside of the shut ter and then releasing the pallet lever locking the retard in the position shown in figure 95 Then remove the retaining screws main spring bracket and the retard assembly from the shutter 16 rapid017 COMPUR RAPID SHUTTER Position of Retard Lever before Removal from Shutter Using tweezers move the blade operating ring stud normally operated by the leaf lever until the blades are full open Then turn the shutter overand remove the three screws holding the mech anism plate Fig 96 With the shutter still upside down gently lift the shutter housing from the mechanism plate so as not to dis turb the position of the shutter blades 17 COMPUR RAPID SHUTTER Mechanism Plate Screws Figure 96 Remove the shutter blades in the usual manner starting with the top blade Fig 97 On models using three instead of five blades the blades are retained by slotted screws In other models an extra blade is fitted on the same pins as the first blade and on top of the other blades Such anextra blade will have three holes instead of the two holes found in the other blades Removing the Top last Shutter Blade 18 rapid018 rapid019 COMPUR RAPID SHUTTER Blade Operating Ring Cover Plate ong Screw Figure 98 The blade operating ring isheld inplace by
8. COMPUR RAPID SHUTTER Servicing the COMPUR RAPID SHUTTER DISASSEMBLY OF THE RIM SET COMPUR RAPID SHUTTER Th rnameplate of the Compur Rapid shutter is a bayonet type with three lugs engaginga groove on the outside of the lens barrel Rotafion is prevented by a semi circular cam turned to nest ina half moon cutout at 12 o clock on the outside of the lens barrel Fig 67 By rotating the cam 180 so that the semi circular sec tion points to the outside of the shutter Fig 68 it is possible to turn the nameplate ina counterclockwise direction When the rapid001 COMPUR RAPID SHUTTER lugs on the nameplate are aligned with relief clearances on the outside of the lens barrel the plate may be lifted as shown in Fig Semi Circular Cam locked position Cable Release Socket Figure 67 Setting cocking Lever Semi Circular Cam unlocked position Release Lever Figure 68 f Nameplate Lugs Aligned with Lens Barrel Cutouts Figure 69 rapid002 COMPUR RAPID SHUTTER On some models the semi circular locking cam may be covered by an additional plate usually containing the name of the camera manufacturer using the shutter which is held in place by two screws Removal of one screw and loosening of the second will permit the plate to be swung out of the way revealing the locking cam On other models usually inthe larger sizes and older versions the locking cam is not used In stead a screw which passes through the name
9. a cover plate which is retained by three screws One of the three screws is longer than the other two Fig 98 Some models will use two long screws and one short one In either case you should carefully note the posi tion of short screws as they are taken outand then remove the cover plate and blade operating ring Fig 99 On the three blade models the cover plate is not used The blade operating ring is held in place by two hex head screws Cover Plate Cover Plate Screws 3 Mechanism Plate Blade Operating Ring AY Figure 99 a It is not necessary to disassemble the diaphragmat this time al though its disassembly is made in the normal manner If disassembly is made record whether the short or long pin goes up and other differences in the diaphragm wings 43 rapid020 COMPUR RAPID SHUTTER REASSEMBLY OF THE COMPUR RAPID SHUTTER Replace the blade operating ring andits cover plate andscrews Make sure the short screws are replaced in the positions noted on disassembly Install the shutter blades starting with the first blade on the pins closest to the leaf lever Fig 100 and working ina clockwise direction First Blade in Position Figure 100 Before installing the shutter housing be sure the mechanism plate is positionedas shown inthe preceding illustrations 97 100 This will place the mechanism plate screw holes at approximately 2 4 and 9 o clock Position the shutter housing in the
10. as far which means a shorter exposure with less retard gear train movement Similar control has been seen in other shutters and you will find that the movement of the retard decreases as the speed cam is ro tated one speed setting at a time from 1 second to 1 10 second At 1 10 second there isa minimum movement of the retard lever Fig 80 but full pallet engagement takes place when the shutter is released i Speed Cam Set at 1 10 sec Moving the speed cam one more setting to 1 25 second brings a new valley into position to receive the retard lever But now a projectionon the speed cam has contacted the pallet lever holding it toward the outside of the shutter Fig 81 Trip the shutter a few times at thissetting and you will see that although the retard lev er has a large relative movement exposure duration is compara Speed Cam Set at 1 25 sec Pallet Lever Held Out of Engagement Figure 81 COMPUR RAPID SHUTTER tively brief because only the inertia of the gear train retards the movement of the main lever the pallet is completely disengaged Further rotation of the speed cam decreases the movement of the retard lever by increments until at the next to highest speed set ting 1 250 second or 1 100 second on some models there is no movement of the retard lever no retard action on the main lever and the shutter is operating as fast as possible under the tension of the main lever spring Movement of the speed cam
11. contact with the retard lever Find the tension type mainspring part of which can be seen coming from under the main lever and attached toa stud at the end of the gear train at 6 o clock Note which parts ride against the main lever the retard lever the pallet lever and the inner release lever Now remove the main lever by lifting the setting lever handle slightly and thenallow the tension of the main spring torotate the main lever counterclockwise until the tension is relieved Fig 87 Using tweezers disconnect the main spring from the stud at the end of the gear train then lift the main lever fromaround the lens barrel by using a gentle but firm twisting and lifting motion Turn over the main leverassembly andexamine the cam follow er and the notches and lugs that contact the various parts in the shutter Fig 88 The milled cam area of the mechanism plate which controls the cam follower movement canalso be seen at this time Fig 89 Note Clock position of shutter has been changed to ease manipulation of illustrated parts Cam Follower Pallet Lever Lobe Bulb Lever Lug Main Spring Inner Release Lever Latching Notch Retard Lever Lug 13 rapid013 COMPUR RAPID SHUTTER Milled Area Figure 89 HOW SIMPLE IS COMPLEX You can now see what appears to be quite a jumble of mech anism Fig 90 However you already know the function of the various partsand disassembly of the Compur shutter is the
12. d in a position that prohibits movement of the main lever and the shutter cannot be cocked This al lows the free movement of the blade operating ring and release lever for automatic time and bulb action 31
13. er in the released position a depression in the surface of the main lever allows the latching end of the inner release lever to move towards the center of the shutter This brings the other end of the inner release lever into such a position as to restrict the movement of the outer release lever Fig 84 When the shutter is set Fig 83 the shape of the main lever positions the inner re lease lever so the outer release lever is free to move End of Inner Release Lever Prevents Movement of Outer Release Lever Figure 84 11 rapid012 COMPUR RAPID SHUTTER Before proceeding with the next phase of disassembly make sure the shutter is in the released rest position If the diaphragm point er is a two part assembly this varies depending on model remove the screw attaching the diaphragm pointer to the diaphragm op erating ring Being careful not to disturb the main lever rotate the speed cam slightly in both directions as it isworked up off the lens bar rel Fig 85 CAUTION DO NOT attempt to set the shutter at this time with the speed cam removed Orient your shutter once again with the nameplate locking cam cutout positioned at 12 o clock Lo cate and identify the various parts of the shutter which have al ready been described Fig 86 Pallet Lever Inner Release Lever Main Lever Lug Which Contacts Retard Lever Main Spring 12 COMPUR RAPID SHUTTER Locate the lug on the main lever which is now in
14. iculty in analyzing the operation The setting lever is but an extension of the main lever which is a full ring circling the lens barrel under the speed cam Direct your attention to the area of the main lever where the setting lever passes under the speed cam Directly underneath and assembled to the main lever is the cam follower lever Fig 72 This is the part of the main lever assembly which operates the leaf lever With the speed cam still set on bulb slowly cock the shutter Discover the bell crank shaped lever between the cam follower and the cable release lever Fig 73 This is the leaf lever Reach through the Main Lever Cam follower Figure 72 speed cam witha small screwdriver or pick and gently move the leaf lever ina counterclockwise direction opening the blades Fig 74 The leaf lever spring will return the blades to the closed position when the tool iseremoved Restrain the setting lever and release the shutter Allowing the setting lever to return slowly will help you to see how the cam follower operates the leaf lever rapid006 COMPUR RAPID SHUTTER Leaf Lever Shutter Blades Partially Opened Via Movement of Leaf Lever Use the nameplate locking cam cutout on the lens barrel as a reference point Move the speed cam to the one second setting Fig 75 Now set and release the shutter several times The lever at 4 o clock which moves back and forth when the shutter is set and released is the retard lever Fig
15. lade operating ring stud and holds the blades in the open position When the release lever is operated a second time the deflector guides the bulb lever to the left so it may disengage the time latch from the blade operating ring and permit the shutter blades to spring back to the closed position y There are two projections on the time latch One contacts the speed cam and the other one contacts the bulb lever It is the latter projection that permits the bulb lever to push the time latch out of engagement with the blade operating ring stud When the speed cam is set on Bulb the one projection on the time latch rides up on another step of the speed cam Op erating the release lever now permits the bulb lever to open the blades as it did before but with the time latch pushed out of the way slightly it can t engage the blade operating ring stud to hold the blades open and releasing the release lever will permit the blades to close again delivering bulb action Setting the speed cam on one second or any other instan taneous speed places the projection on the time latch against an even higher step on the speed cam In this position the time latch pushes the bulb lever back enough so that it cannot en gage the blade operating ring stud and movement of the release lever will not affect the blades The cam follower on this model hasan extra stud which con tacts the speed cam When the speed camis set on time or bulb the cam follower is hel
16. ng 29 rapid030 COMPUR RAPID SHUTTER To complete assembly fit the lugs on the nameplate into the grooves cut on the outside of the lens barrel and then rotate the nameplate clockwise until the locking cam or screw hole is aligned Fig 119 Turn the locking cam or replace th screw Proper Alignment of Locking Cam before Turning to Locked Position VARIATIONS IN THE COMPUR RIM SET SHUTTER The following variations are self explanatory and no illustra tions will be used When these models are encountered in your lesson assignments or actual repair practice you should have little difficulty in analyzing the individual actions Automatic Time and Bulb Action On some model Rim Set Compurs automatic T and B action is employed Although the basic design of the main lever cable release lever leaf lever and retard section are the same as the Compur Rapid shutter just covered the time bulb action is en tirely different It consists of a bulb lever which is fork shaped and attached to the release lever a time latch and a deflector With the speed cam set on Time and the release lever slight 30 rapid031 COMPUR RAPID SHUTTER ly depressed a notch on the bulb lever contacts a stud which is a part of the blade operating ring and full depression of the release lever pushes the blade operating ring stud to open the blades When the blades are fully open a notch on the time latch drops intoplace behind the b
17. retension the hair spring on the second gear as follows Retard Lever Disengaged Figure 107 Hold the pallet out of engagement and turn the first gear clock wise until the spring unwinds toa diameter slightly larger than that of the first gear Fig 108 At this point hold the first gear and engage the retard lever releasing the first gearas soon as the teeth are well engaged Continue moving the retard lever until the retard lever stud isagainst the cutout in the retard cover plate 23 rapid023 rapid024 COMPUR RAPID SHUTTER Unwinding the Hair Spring La s 9 O Cy ines o gt e aw Figure 108 Then release the pallet lever locking the retard mechanism in its correct position for installation Fig 109 Retard Locked in Proper Position for Installation in Shutter Figure 109 Now lower the retard mechanism into position onthe mechanism plate and replace but DO NOT tighten the screw at the pallet end of the retard Then assemble the main spring bracket and screw at the retard lever end Fig 110 24 rapid025 COMPUR RAPID SHUTTER Retard Installed in Shutter Replacement of the main lever is another installation which first seems awkward but can be completed easily if performed one step atatime First pass the free end of the main spring under the inner release lever as you are lowering the main lever around the lens barrel Fig 111 Be sure the lug
18. rol stud on the time latch will have to be held towards the outside of the shutter housing when releasing the shutter When the shutter is released it should operate smoothly deliver ing approximately a one second exposure Allow the release lever Main Lever Being Held Down During Setting cocking Stroke cme Note Clock position of shutter has been changed to ease manipulation of illustrated parts to return to its rest position immediately after tripping or the bulb lever can engage the main lever If the main lever makes a pop ping sound when it disengages from the retard lever during the set ting stroke or if the main lever hangs against the retard lever after being released the retard leverend is still tooclose tothe center Loosen the screws and move the retard lever end justa small amount toward the outside of the shutter tighten the screws and test again 28 rapid029 COMPUR RAPID SHUTTER As soon as smooth action is achieved replace the speed cam and check the shutter action at the 1 10 second and 1 25 second set tings If the retard section is positioned properly the 1 10 second setting Fig 117 will be clearly slower than the 1 25 second set ting Fig 118 If the 1 10second setting is faster than 1 25 second then the retard lever end was moved too fartowards the outside of the shutter and will have to be repositioned Speed Cam at 1 10 sec Setting Speed Cam at 1 25 sec Setti
19. s end of the lever firmly grasp the other end with your tweezers and pull the lever up and over the cable release lever post Fig 104 The cable release lever should now Cable Release Lever Being Brought into Position Note Clock position of shutter has been changed to ease manipulation of illustrated parts fit at an angle on top of the post With your finger still pressed against the other end release your hold with the tweezers and use them as a probe to level out and at the same time push the cable release lever down on its post Fig 105 When the lever is worked all the way down remove your fingerand push the end of the cable release lever spring into position against the inside wall of the shutter housing Cable Release Lever Being Pushed Down on Its Post Note Clock position of shutter has been changed to ease manipulation of illustrated parts Figure 105 Replace the outer release lever and then depress the lever so the cable release socket and screw may be slid into position Fig 106 and tightened down 22 rapid022 COMPUR RAPID SHUTTER Installation of Cable Release Socket Note Clock position of Shutter has been changed to ease manipulation of illustrated parts Figure 106 IMPORTANT If the pallet lever is accidentally depressed while the retard section is out of the shutter the retard lever may disengage from the first gear Fig 107 It will then be necessary to
20. same man ner Fig 101 Holding the housing directly over the mechanism plate align the screw holesvisually and gently lower the housing around the mechanism plate Replace the three mechanism plate Shutter Housing Mechanism Plate Screw Holes at 2 4 and 9 o clock Figure 101 20 rapid021 COMPUR RAPID SHUTTER screws and test for free movement of the shutter blades by turning the shutter over and operating the blade operating ring with your tweezers Install the leaf lever and connect the leaf lever spring Re place the high speed spring inner release and bulb levers in that order Make sure the long end of the inner release lever spring is against the shutter housing and the end of the bulb lever spring rests on the bottom shoulder of the cable release lever post Fig 102 End of Bulb Lever Spring Against Bottom Shoulder of Cable Release Lever Post The installation of the cable release lever requires care and practice Rotate the high speed spring counterclockwise until the bottom tail of the spring is against the limiting stud on the mechanism plate Lower the cable release lever into the shutter allowing it to restin the position shown infigure 103 Then place your finger over the area where the end of the bulb lever comes under and then up against the cable release lever Keeping your Pre installation Position of Cable Release Lever Figure 103 21 COMPUR RAPID SHUTTER finger pressed against thi
21. ther after removal of the screw Leaf Lever Spring Leaf Lever High Speed Spring Bulb Lever Bulb Lever Spring 215 rapid016 COMPUR RAPID SHUTTER On some Compur shutters the bulb lever has no spring of its own and is operated by a dual pur pose spring attached to the inner release lever This spring operates both the inner release lever and the bulb lever In these models the inner re lease lever should be removed first then the bulb lever Figure 93 The high speed spring may now be lifted from its post Discon nect the leaf lever spring from the leaf lever and unscrew and re move the retaining screw and then the leaf lever The leaf lever spring will remainattached to the mechanism plate and should not be removed The retard section in the Compur shutter is a complete sub assembly held to the mechanism plate by screws at each end Observe the action of the escapement retard section It is quite impossible to move the retard iever unless the pallet lever is held back to at least partially disengage the pallet fromthe star wheel With the main lever removed fromthe shutter the pallet lever can move all the way towards the center of the shutter Fig 93 In this position the pallet lever engages the pallet so deeply into the star wheel that it cannot rotate and the entire section is locked up However the retard lever can be moved by first pushing the pallet lever towards the outside of the shutter Fig 94
22. to move the retard section to the ready position is provided by the tension of a relatively weak retard lever spring the action is quite slow Infact if the shutter is set rapidly the retard lever may be still moving into position 2 or 3 seconds after the shutter has been set In shutters designed to disengage the pallet during the setting stroke the tensionof the r tard lever spring need only overcome the inertia of the gear train and the retard lever will move into position as the setting lever stroke is completed When the shutter is released with the setting lever re strained you can see the pallet lever move towards the center of the shutter engaging the pallet as the mainlever contacts the re tard lever Fig 79 Cam like Portion of Main Lever Pushing Pallet Lever towards Outside of Shutter Housing During Setting Stroke Note Clock position of shutter ig has been changed to ease manipulation of illustrated parts Figure 78 Shutter in Partially Released Position with Shutter Blades Wide Open Pallet Engaged and Main Lever Just Coming into Contact with Retard Lever Note Clock position of shutter has been changed to ease manipulation of illustrated parts Figure 79 rapid008 rapid009 COMPUR RAPID SHUTTER At the one second setting the retard lever moves into a deep valley cut in the speed cam As the speed cam is rotated to the 1 2 second position the retard lever cannotymove
23. ultimate in simplicity You will find it impossible to lose Compur shutter springs because each spring is firmly anchored to the part which it operates Figure 90 The only caution required is to observe the direction in which springs are engaged and even this is usually obvious Depress the release lever and reach through the hole in the cable release socket witha screwdriver to loosen the screw holding 14 rapid014 rapid015 COMPUR RAPID SHUTTER it to the mechanism plate Using tweezers lift andslide the cable release socket with the screw still in place but unattached to the mechanism plate from the shutter Disassemble the cable release lever by first depressing the re lease lever Then gently pry the cable release lever off its post with a small screwdriver placed under the pivot point of the lever Fig 71 Removing the v Cable Release Lever Note Clock position of shutter has been changed to ease manipulation of illustrated parts Lift the release lever from its post and then note the position of the bulb lever spring Fig 92 Grasp the spring with your tweezers and gently lift the spring over the cable release lever post and let it rest against the side of the shutter housing Unscrew the bulb lever screw and remove the screwand the bulb leverwith its spring The inner release lever is held in place by a single screw in its mounting block The block inner release lever and spring come out toge
Download Pdf Manuals
Related Search