Brother HE-800A -.Installing the motor, [Horizontal positioning]

	4. INSTALLATION

[Horizontal positioning]

4095M

-. Installing the motor

Install the motor (1) with the three bolts (2), flat

washers (3), spring washers (4) and nuts (5).

3856Q

HE-800A

8

Contents

Page 1. Safety indications and their meanings Indications Symbols 2. Notes on safety Sewing Cleaning Maintenance and inspection 3. Warning labels Page CONTENTS 1. NAME OF EACH PART 2. SPECIFICATIONS 3. OPTIONAL PARTS 4.INSTALLATION 9.CLEANING AND MAINTENANCE 10. STANDARD ADJUSTMENTS 11. CHANGING FUNCTIONS USING THE MEMORY SWITCHES 12. PROGRAM INITIALIZATION . NAME OF EACH PART . SPECIFICATIONS -.Standard sewing pattern list . OPTIONAL PARTS -.Standing operation pedal -.Ruler -.Tape guard . INSTALLATION [Horizontal positioning] -.Installing the motor -.Installing the flange nut Note: -.Installing the control box -.Installing the power switch -.Installing the bed base -.Installing the machine head Note: -.Installing the head rest -.Installing the operation panel -.Routing the connector cord and installing the oil stopper plate -.Connecting the cords --.Connecting the ground wire --.Connecting the machine head harness --.Connecting the motor harness --.Connecting the power cord --.Connecting the standing operation pedal harness (option) 1) Floor installation 2) Table leg installation (on top of table leg) 3) Table leg installation (treadle support plates) 4) Installation underneath the work table Connecting the cords -.Installing the V-belt Adjusting the belt holder Adjusting the finger protector Adjusting the treadle pressure Adjusting the treadle return pressure Adjusting the treadle stroke Page -.Installing the spool stand -.Installing the eye guard [Vertical positioning] [Horizontal positioning] -.Lubrication --.Lubricating the bed base Rotary hook lubrication adjustment -.Installing the belt cover -.Installing the auxiliary table . OPERATION (8)Program No. DOWN key (9)Automatic mode indicator (10) Test feed mode indicator (11) Manual mode indicator (12) Program mode indicator -.Home position detection (preparation) Before starting home position detection, check that the needle bar is at its highest position. -.Operating the treadle --.Operating the standing operation pedal (option) Three pedals -.Program setting method --.Program setting examples Set parameter number 01 to "buttonhole stitch (round) setting value 3". A round buttonhole sewing pattern has now been set for program No First, set parameter number 01 to "buttonhole stitch (free) setting value 0". Next, set parameter number 20 to "Taper tack setting value 4 Next, set parameter number 30 to "Eyelet setting value 3 3916Q Set parameter number 69 to "Copy source program number setting value 3". The parameters for program number 3 will then be copied to the parameters for program number --.Checking the length of knife -.Parameter table Page Page Page Page Page Page Page Page --.Available sewing area --.Setting the knife length --.Buttonhole sewing size --.Main restrictions when setting parameters Page -.Rear tack vector shape programs Setting range 1: Triangle Setting range 2: Rectangle Setting range 3: Saw-shape -.Underlay programs Underlays sewn together Saw-shapeunderlays Rectangle underlays Zigzag underlay stitch -.Cutter operation Setting range 0: Setting range 1: Setting range 2: Setting range 3: -.Cycle program Clearing the cycle program -.Production counter -.Bobbin thread counter -.Using the program memos Program memo contents DANGER . CHECKING THE SEWING PATTERN -.Manual mode . CORRECT USE -.Threading the upper thread CAUTION Threading the thread at the sewing start position -.Winding the lower thread Adjusting the bobbin winding amount If the thread winds onto the bobbin unevenly -.Threading the bobbin case -.Thread tension [Stitch patterns] Whip stitch (plain stitch) Purl stitch (seal stitch) [Reference thread tension] --.Upper thread tension Upper thread tension for whip stitches (with zigzag tension open) --.Thread take-upspring height --.Thread take-upspring tension --.Adjusting arm thread guide . SEWING -.If the stop switch is pressed during sewing To finish sewing in this condition [Next sewing] [Re-sewing] -.If the thread breaks during sewing To finish sewing in this condition [Next sewing] -.Thread breakage before sewing is finished To finish sewing in this conditionFinish] -.When resuming sewing in test feed mode or manual mode . CLEANING AND MAINTENANCE -.Draining the oil -.Cleaning the control box air inlet port -.Cleaning the eye guard -.Checking the needle -.Cleaning the length feed plate . STANDARD ADJUSTMENTS -.Adjusting the needle and hook timing -.Adjusting the clearance between needle and hook point -.Adjusting the inner rotary hook and rotary hook holder overlap -.Adjusting the work clamp pressure -.Adjusting the cutter installation -.Adjusting the upper thread trimming --.Adjusting the installation height of the upper thread scissors --.Adjusting the upper thread scissors opening timing Gradual opening timing adjustment Scissors fully opening timing adjustment -.Adjusting the lower thread clamp timing -.Adjusting the bobbin presser -.Adjusting the needle up stop position . CHANGING FUNCTIONS USING THE MEMORYSWITCHES Page . PROGRAM INITIALIZATION . CHANGING FUNCTIONS USING THE DIP SWITCHES -.Panel DIP switches DIP switch A DIP switch B -.Circuit board DIP switches DANGER Circuit board DIP switch 1 Circuit board DIP switch 2 . ERROR CODE TABLE Page Page Page . GAUGE PARTS LIST [A]Work clamp assembly, with finger guard [B]Finger guard [C]Work clamp Cutter . TROUBLESHOOTING -.Skipped stitches -.Uneven seams (1) …… At the sewing start -.Uneven seams (2) …… Lower thread is lifted up at the sewing start The end of the lower thread protrudes above the seam at the sewing start -.Uneven seams (3) ……Seam lifts up at the sewing start Seam lifts up and does not tighten at the sewing start -.Uneven seams (4) …… Uneven sewing pitch at the sewing start -.Uneven seams (5)……Poor rounding of seam -.Uneven seams (6) …… Around rear tack or front tack -.Uneven seams (8) …… Thread sticking out at end backtack -.Uneven seams (10) …… All stitches -.Upper thread run out Page -.Unraveling of thread trimmed by upper thread trimmer assembly -.Upper thread mis-trimming -.Needle strikes upper thread trimmer -.Needle breakage -.Imperfect cutter function (imperfect material cutting) -.Cutter does not return -.Upper thread mis-winding -.Work clamp is not raised (1) Pulse motor stepping sound cannot be heard -.Work clamp is not raised (2) Pulse motor stepping sound can be heard -.Feed mechanism does not operate or motor is out of step -.Needle does not zigzag or noise occurs when needle zigzags -.Sewing machine stops during sewing -.Upper shaft does not rotate as far as the needle up stop position