Manuale d’uso / di manutenzione del prodotto 1296 del fabbricante Pfaff
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AD JUSTMEN T MANUAL 296-1 2-1 8 640/002 Justieranleit ung engl. 06.09 This A djustment Manual is valid f or mac hines from the follo wing serial numbers onw ards: # 2 730 099 1 295 1 296 Industrial ®.
The reprinting, copying or translation of PF AFF A djustment Manuals, whether in whole or in part, is only permit ted with our pre vious authorization and with writ ten ref erence to the source. PF AFF Industriesysteme und Masc hinen AG Hans-Geiger -Str .
Contents Contents ............................................................................... Chapter - Page 13 Adjustment .............................................................................................................. 13 - 1 13 .01 Notes on adjustment .
Adjustment 13 - 1 13 Adjustment Please observe all notes from Chapter 1 Safety of the instruction manual! In particular care must be taken to see that all protective devices are refitted properly after adjustment, see Chapter 1.
Adjustment 13 - 2 ● Loosen screws 1 and 2 . ● Position rock shaft 3 according to Requirement. . ● Tighten screw 1 . The flats of pins 4 must face screws 1 and rock shaft 3 must neither have any play nor bind. Leave screws 2 loose for the following adjustments.
Adjustment 13 - 3 ● Set the longest stitch length. ● Turn rock shaft 1 according to Requirement. and tighten screws 2 . 13 .05.02 Adjusting the bottom feed dog in sewing direction Requirement With the longest stitch length set, the bot tom f eed dog must not strike the f eed slot at the front or rear end of its stroke.
Adjustment 13 - 4 13. 05.03 Bottom feed dog height Requirement With the stitc h length set at "0" the f eed dog must protrude from the needle plate b y the height of its teeth when at its highest position. Fig. 11 - 03 ● Set stitch length „0“.
Adjustment 13 - 5 13. 05.04 Needle height (preliminary adjustment) Requirement With the needle bar at b.d.c. the clearance bet ween needle bar and needle plate must be 15 mm . ● Re-position the height of needle bar 1 (screws 2 ) according to Requirement , but do not turn it.
Adjustment 13 - 6 1 2 3 0 13 .05.05 Needle in needle-hole centre Requirement With the stitc h length set at "0" the needle must enter exactly in the centre of the needle hole. Fig. 11 - 05 ● Remove vibrating presser 1 and lifting presser 2 .
Adjustment 13 - 7 13. 05.06 Bottom feed dog lifting motion Requirement 1 . With the needle bar at b.d.c. the feed dog must be at its highest position. 2. When the longest stitc h length is set and the balance wheel is turned, the bot tom f eed dog must reac h the top side of the needle plate at the same time as the needle.
Adjustment 13 - 8 13 .05.07 Feeding stroke of bottom and top feeds Requirement With the longest stitc h length set and the needle bar at b.d.c. neither the top- nor bot tom f eed must mak e any mo vement when the re v erse-f eed le ver is operated. Fig.
Adjustment 13 - 9 13 .05.08 Hook clearance, needle rise, needle height and needle guard Requirement With the stitc h length set at "3" and in needle-rise position (= 1 .8 mm past b.d.c. on version "B" or 2.0 mm past b.d.c. on version "C") 1 .
Adjustment 13 - 10 ● Set the hook point at the needle centre, making sure that the needle is not deflected by needle guard 8 . ● Making sure that bevel gear 6 is not too close, but the hook has not too much play, tighten screws 2 . ● Move fixing collar 7 up against bevel gear 6 and tighten screws 3 .
Adjustment 13 - 11 13 .05.09 Top feed stroke Requirement With the longest top feed strok e set and the stitc h length at "0", lif ting presser 1 and vibrating presser 2 must eac h rise from the needle plate by 7.0 mm when the balance wheel is turned.
Adjustment 13 - 12 13 .05.10 Top feed lifting motion Requirement When lif ting presser 1 is resting on the needle plate, vibrating presser 4 and needle point 5 must reac h the needle plate at the same time at the highest top feed strok e . Fig. 11 - 10 2 3 4 ● Lower lifting presser 1 onto the needle plate.
Adjustment 13 - 13 13 .05.11 Bobbin case opener Requirement T he needle thread must neither be trapped bet ween bobbin case opener 3 and hook base 4 nor between position finger 5 and the retainer on the needle plate (see arrows). ● Undscrew and remove post covers 1 (on left post from the rear).
Adjustment 13 - 14 13 .05.12 Slip coupling Slip coupling 4 is adjusted at the works. When a thread jams, slip coupling 4 disengages, in order to avoid damage to the hooks. To engage the coupling again, proceed as follows. ● Remove jammed thread. ● Press plunger 1 and turn the balance wheel until pawl 2 engages groove 3.
Adjustment 13 - 15 13 .05.13 Needle-thread tension release Requirement With the lif ting presser raised, there must be a clearance of at least 0.5 mm between tension discs 4 . ● Position pressure plate 1 behind mounting bracket 2 according to Requirement.
Adjustment 13 - 16 13 .05.14 Thread check spring, without subclass -900/56 Requirement The mo vement of thread c hec k spring 5 must be finished when the needle pointe enters the material (=spring strok e of about 7 mm) . Fig. 11 - 14 ● Adjust stop 1 (screw 2 ) according to Requirement.
Adjustment 13 - 17 13 .05.15 Thread check spring on the PFAFF 1296 with subclass -900/56 Requirement The mo vements of thread c hec k springs 1 and 6 must be finished when the needle points enter the material (=spring stroke of about 7 mm ). Fig. 11 - 15 ● To adjust the pressure of spring 1 , turn screw 2 (screw 3 ).
Adjustment 13 - 18 13 .05.16 Bobbin winder Requirement 1 . With the bobbin winder engaged, drive wheel 1 must be driven reliably . 2. With the bobbin winder disengaged, friction wheel 5 must not run against driv e wheel 1 . 3. The bobbind winder must switc h itself of f when the filled thread is about 1 mm from the rim of the bobbin.
Adjustment 13 - 19 13 .05.17 Pressure of the lifting presser Requirement 1 . The material must be properly f ed, even at the highest se wing speed. 2. There must be no pressure marks on the material. ● Turn screw 1 according to the Requirement. 1 Fig.
Adjustment 13 - 20 13. 06 Adjusting the thread trimmer -900/56 13 .06.01 Engaging solenoid Requirement 1 . Mounting brac ket 1 must be in the middle of its adjusting range and parallel with the right-hand edge of the mounting brac ket.
Adjustment 13 - 21 13 .06.02 Control cam (preliminary adjustment) Requirement 1 . Control cam 1 , must be centred with the cutout of bearing mounting 5 . 2. With the needle bar at t.d.c., screws 2 must be visible from the front and aligined parallel with the bedplate.
Adjustment 13 - 22 13 .06.03 Control lever spring action Requirement When the thread trimmer is in its resting position, it must be possible to press control lev er 3 about 1 mm towards the bedplate (spring action). ● Turn screw 1 (nut 2 ) according to Requirement.
Adjustment 13 - 23 13. 06.04 Control lever stroke Requirement 1 . When engaging lev er 5 is operated the pin of control lev er 6 must drop freely into the trac k of control cam 7 . 2. Af ter thread trimming , control lever 6 must pass freely on the right side of stop plate 3 and engage control lev er 5 behind stop plate 3 .
Adjustment 13 - 24 13 .06.05 Thread-trimmer drive linkage Requirement 1 . On the PF AFF 1296 thread-catc her drive linkage 1 must hav e a length of 128 mm , less half of the needle gauge. On the PF AFF 1295 , thread catc her drive linkage 1 must ha ve a length of 1 28 mm 2.
Adjustment 13 - 25 13 .06.06 Linkage bar (only on the PFAFF 1296) Requirement The length of linkage bar 1 must be the same as the distance between the two thread- catc her drive shaf ts 3. ● Adjust middle section 1 (nuts 2 ) of the linkage bar according to Requirement.
Adjustment 13 - 26 13 .06.07 Thread catcher height Requirement There must be a clearance of 0.7 mm bet ween the underside of thread catc her 4 and bobbin case cap 5. ● Loosen screws 1 and 2 . ● Adjust the height of shaft 3 according to Requirement .
Adjustment 13 - 27 13 .06.08 Thread catcher resting position Requirement When the thread trimmer is in its resting poistion there must be a clearance of about 4 mm bet ween the point of catc her 3 and the cut ting edge of knif e 4 . ● Turn shaft 2 according to Requirement.
Adjustment 13 - 28 13 .06.09 Knife pressure Requirement When the front edge of thread catc her 3 has passed the knif e cut ting edge by half , knif e 1 must rest with light pressure on the edge of the catc her . ● Adjust knife 1 (screws 2 ) according to Requirement Fig.
Adjustment 13 - 29 13 .06.10 Bobbin thread trapping spring Requirement 1 . Bobbin thread trapping spring 3 must not be deflected b y thread catc her 4 in an y phase. 2. Af ter the trimming action the bobbin thread must be securely trapped. 3. It must be possible to insert and remov e the bobbin from the hook without any hindrance.
Adjustment 13 - 30 13 .06.11 Control cam (final adjustment) Requirement The trimming action must be just completed when the take-up le ver is at t.d.c.
Adjustment 13 - 31 ● Turn eccentric 1 (screw 2 ) according to Requirement 13 .06.12 Release lever R equirement When the pin of control lev er 3 has dropped into the trac k of control cam 4 and the needle bar is at b.d.c. there must be a clearance of about 1 mm bet ween control le ver 3 and release lev er 5 .
Adjustment 13 - 32 ● Re-position pull-rod 1 (screws 2 ) according to Requirement . 13 .06.13 Release rod Requirement 1 . When the lif ting presser is resting on the needle plate, pin 3 must rest at the low er end of the elongated hole in pull-rod 1 .
Adjustment 13 - 33 13 .07 Parameter settings (only on machines with Quick-EcoDrive and control unit P40ED) ● The selection of the user level and the alteration of parameters is described in the separate instruction manual for the drive unit.
Adjustment 13 - 34 8 8 0 0 Rotating direction of the motor C 0 - 1 1 8 84 Proportional sensitivity of the B, C 03 - 24 1 2 speed control unit 1295 B , C 0 3 - 2 4 12 1296 B , C 0 3 - 2 4 16 8 9 7 Vari.
14 - 1 Circuit diagrams 14 .03 Circuit diagrams Reference list for the Circuit diagrams A1 Control unit Quick P40 ED A2 Control panel BDF S2 A1 4 Sewing head recognition system (OTE) H1 Sewing lamp (optional) H10 LED stitch counter M1 Sewing motor Q1 Main switch S1 Manual backtacking key S1.
14 - 2 91 -1 91 502-95 Page 1 Version 07.07.06 Circuit diagram.
14 - 3 Circuit diagram Version 07.07.06 91 -1 91 502-95 Page 2.
14 - 4 91 -1 91 502-95 Page 3 Version 07.07.06 Circuit diagram.
PF AFF Industriesysteme und Masc hinen AG Hans-Geiger -Str . 1 2 - IG Nord D-67 661 Kaiserslautern Phone: +49 - 631 200-0 Fax: +49 - 631 1 7202 E-mail: info@pf af f-industrial.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Pfaff 1296 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Pfaff 1296 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Pfaff 1296 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Pfaff 1296 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Pfaff 1296, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Pfaff 1296.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Pfaff 1296. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Pfaff 1296 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
