Motorola LH4-B800E, HE-8000 I instruction manual Thread tension

Page 68

7. CORRECT USE

7-5. Thread tension

The shapes of the seams for all patterns which have been stored in programs 1 to 90 can be set using parameter No. 11. Make the following adjustments in accordance with the seam shape which has been set.

Lower thread tension

Upper thread tension Zigzag stitch

Stronger

(1)

Weaker

(2)

Bar tacking stitch

(3)

 

1279Q

1280Q

2148Q

Whip stitch (plain stitch)

1.Adjust by turning the adjustment screw (1) until the bobbin case drops when it is shaken slightly (0.15 - 0.25 N) while the thread end coming out of the bobbin case is held.

2.Turn the tack tension control (2) to adjust the thread tension so that a clean whip stitch is obtained at the bar tacking areas and the zigzag areas. There is no need to loosen the zigzag tension control (3) at this time. Bar tacking stitches and zigzag stitches are sewn at the tension which is set by the tack tension control (2), so that zigzag tension is automatically disabled. If the zigzag tension control (3) is loosened, the upper thread trailing length after upper thread trimming may become longer.

Purl stitch (seal stitch)

1.Adjust by turning the adjustment screw (1) until the bobbin case drops gently by its own weight (0.05 - 0.15 N) while the thread end coming out of the bobbin case is held.

2.Turn the tack tension control (2) to adjust the thread tension so that a clean whip stitch is obtained at the bar tacking areas.

3.Turn the zigzag tension control (3) while watching the looping of the zigzag stitch.

HE-8000

61

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Contents LH4-B800E HE-8000 Safety Instructions Environmental requirements Sewing Moving parts may cause injury Contents Changing Functions Using Safety devices Name of Each PartHE-8000 SpecificationsSubclass Standard sewing pattern list Optional Parts Special needle plateLeg parts Standing operation pedalAuxiliary table Tape guardRuler Replacement parts set for 70 mm buttonhole length ProgrammerInstallation Power tableVertical positioning Installing the motor Installing the flange nutInstalling the control box Installing the power switch Installing the bed baseInstalling the machine head Installing the head restInstalling the operation panel Connecting the machine head harness Connecting the cordsConnecting the ground wire Connecting the motor harness Connect the connectors of the feed motor harnessConnecting the power cord Connecting the standing pedal harness option Table leg installation treadle support plates Installing the transformerFloor installation Installation underneath the work table Connecting the cordsInstalling the V-belt Adjusting the finger protector Installing the belt cover plateAdjusting the belt retainer Installing the treadle Adjusting the treadle pressureAdjusting the treadle return pressure Adjusting the treadle strokeInstalling the spool stand Installing the eye guard Lubrication Lubricating the bed baseLubricating the rotary hook Rotary hook lubrication adjustmentLubricating the arm Installing the belt cover Operation Part names and functionsTest feed mode indicator Manual mode indicatorProgram mode indicator Select keyHome position return preparation Before starting home position returnOperating the treadle Three pedals Operating the standing pedal optionTwo pedals + kick pedal Parameter table Program setting methodProgram initialization condition Setting items Setting range Unit Default Zigzag width 3.0 mm Setting items Setting range Unit Default Front tack pitch except radial 05 1.00 mm Setting items Setting range Unit No. of stitches in X direction for saw-shaped rear Start backtack width 3.0 mm Saw-shaped underlays Saw-shaped underlay bar tack X stitch no Stitches Rear bar tack tension release timing Stitches Changing program details Bar tacking stitches being cut by the knife 13 17 2118Q 2123Q Rear tack vector shape programs TriangleRectangle Saw-shapeUnderlay programs Underlays sewn togetherSaw-shape underlay Rectangle underlayCutter operation Center knife standard Rear knifeCycle program Changing the production counter Changing the lower thread counter setting value Using the program memos Adding patterns created using the BAS-PC/300Program memo contents Adding patterns to a P-ROM→ 1 → 2 → 3 →….. → 90→ P1 → P2 → …… → P9 → 1 → 2 → …… Checking the Sewing Pattern 2136Q Installing the needle Correct USEThreading the upper thread Threading the thread at the sewing start positionAdjusting the bobbin winding amount Winding the lower threadThreading the bobbin case Stitch patternsWhip stitch plain stitch Purl stitch seal stitchThread tension Reference thread tension Thread take-up spring tensionThread take-up spring height Sewing SewingIf the emergency stop switch is pressed during sewing To finish sewing in this conditionIf the thread breaks during sewing Emergency stopThread breakage before sewing is finished To continue sewing from around the location of the breakageWhen resuming sewing in test feed mode or manual mode Lower thread counterMaintenance CleaningDraining the oil Cleaning the control box air inlet portCleaning the eye guard Cleaning the length feed plate Checking the needleStandard Adjustments Needle bar heightNeedle and hook timing adjustment Adjusting the clearance between needle and hook pointAdjusting the work clamp pressure Adjusting the knife installationAdjusting the upper thread trimming Scissors fully opening timing adjustment Adjusting the upper thread scissors opening timingGradual opening timing adjustment Adjusting the needle up stop position Adjusting the lower thread clamp timingAdjusting the bobbin presser Changing Functions Using the Memory Switches Memory switch table Settings which are initialized Program InitializationInitializing all programs Initializing a single programChanging Functions Using the DIP Switches Panel DIP switchesPanel DIP switch table DipswaControl circuit board DIP switches DIP switch inside the control box table Gauge Parts List Needle plateFor flat cutter Work clamp assy, W/F-G Finger guard Gauge Parts List Cutter Error Code Table Like to keep the program which exceeds the area Troubleshooting TroubleshootingCause Needle is incorrectly installed 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone

LH4-B800E, HE-8000, HE-8000 I specifications

Motorola has long been a pioneer in communication technologies, and the introduction of models like the HE-8000 I, HE-8000, and LH4-B800E showcases the company's commitment to quality and innovation in the realm of wireless communication devices. These models offer a blend of advanced features, robust design, and cutting-edge technologies that cater to various user needs.

The Motorola HE-8000 I is characterized by its sleek and ergonomic design, making it comfortable for extended use. It boasts a long battery life, ensuring that users can stay connected for longer periods without the need for frequent recharging. This model is equipped with enhanced audio clarity, utilizing advanced noise-canceling technology to ensure clear communication even in noisy environments. Furthermore, the HE-8000 I features multi-channel capabilities, allowing users to switch between multiple channels effortlessly.

Similar in design and functionality, the HE-8000 model enhances user experience with its intuitive interface. This model supports Bluetooth connectivity, making it compatible with a wide range of devices, including smartphones and tablets. The HE-8000's build quality is reinforced for durability in rugged conditions, making it an ideal choice for professionals who require reliable communication tools in challenging environments.

The LH4-B800E represents the pinnacle of Motorola's commitment to delivering versatile communication solutions. It includes advanced features such as GPS tracking and real-time location sharing, which are essential for teams working in logistics, security, and emergency services. The LH4-B800E also stands out for its superior range, offering extended coverage even in remote areas, ensuring that users remain connected.

All three models incorporate advanced encryption technologies to enhance security and protect sensitive communications. They are built to be water and dust resistant, meeting industry standards for ruggedness, which ensures reliable operation in various weather conditions.

Ultimately, the Motorola HE-8000 I, HE-8000, and LH4-B800E exemplify the brand's commitment to innovation and user-centric design. With a focus on clear communication, extended battery life, and robust connectivity options, these devices are well-suited for a wide array of professional applications, from fieldwork to corporate communication. Whether for individual use or in a team setting, these Motorola models are engineered to empower users with reliable and efficient communication solutions, reflecting the company’s legacy in the telecommunications industry.
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