Brother Compal Galaxie 870 free download

File name Brother Compal Galaxie 870 ServiceManual.pdf

SERVICE MANUAL FOR COMPUTERIZED SEWING MACHINE "COMPAL GALAXIE" ... I '········· ·· ·· · I· I \... I 1Y / ""\ 1:=1 -- I \ I DD J GENERAL INFORM ATION Th1s service manual is compiled for repa1ring service of COMPUTERIZED SEWING MACHINE "COMPAL GALAXIE" (Factory code #114-870). Use this manual with Parts Catalogue (H3030294) for fault f1ndmgs when you make a repair. SYMBOLS USED ARE: Th1s machine IS manufactured based on the up-to-dated product specifications at the time of this issue. but there may be changes of specifications for improvements. Contact manufacturer or local sales company for such changes. Brother industries. Ltd. Nagoya.Japan t l + T i ' . .. Move the part as this way (one way) Move the part as this way (both way) Move the part to its highest or lowest position Set the clearance as indicated 1 How to adjust mechanical elements ... ... 2 9 .. . . 57 IV. How to adjust electric elements ... ... ... 111. 11. I. Principal mechanism ... ... D1sassembl1ng & Reassembling ... . . . ... ... ... . ... . . ... ... ... . . ... 7 ... CAUTION 1 Always use rubber glove when handling printed circuit board and do not touch the metal portion of printed circuit board w1th bare hands. 2. Keep the human body earthed in order to avoid generating static electricity. 3. Pack printed circuit board w1th alumin1um f01l and avo1d impact on it when keeping or transporting. 4. Do not touch or damage on the metal portion of printed circuit board with screw driver or any other tools even . dunng repainng. I. PRINCIPAL MECHANISMS 1. MECHANICAL CHART Balance wheel Eccentuc counter weoght Thread take-up lever assembly Needle bar supporter Needle bar crank ---"1 Needle bar crank rod Needle bar Needle bar clamp -- ---r-±::t=fi-Ji!f'ij't{'"f"L +-t-;;r-+11---;----Linear actuator Clutch mechanosm -------fl/= Lower timong pulley Verucal feed Lower shah Horozontal feed Horozontal feed regulaung mechanism roller shah -1 - 2 . POWER TRANSMISSION CHART ene r t a ing mechan ism o f needle bar, t hread (A) G tak e-up lever and z igzag movemen t s s le (B) Movemen t o f feed dog and shutt hook @ 1--- - - ...::: -- (\. 00 ® CD ® @ Balanoe whot l o t Balance wheel Feed regula1or shah @ -2- 3. ELECTRONIC PARTS ARRANGEMENT CHART Sub-pronted corcuot Bobbin wonder swotch Ne.ctle POI+Iton (0ownt IAChCit+ng lED Buttonhole (BHI SWitCh Transformer Junction for foot controller Sode cutter swotch Feed dog swotch Cord reel unot Speaker Common pronted circuot board -3- 4. CONTROL SYSTEM BY MICRO-COMPUTER The micro-computer being used in Comp