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Procedures for cleaning exterior and interior surfaces of the machine to prevent dust accumulation and damage.
Summarizes lubrication points, schedules, and lubricants needed for machine maintenance.
Procedure for oiling the rotary hook approximately every 4-5 hours of solid running.
Procedure for lubricating the needle drive components.
Procedure for cleaning and oiling the left upper V-rail.
Procedure for cleaning and oiling the right upper V-rail.
Procedure for oiling the lower needle bars.
Procedure for oiling the upper needle bars.
Procedure for lubricating the X-drive rails with HP grease for smooth movement.
Procedure for lubricating the Y-bearing blocks with sewing machine oil.
Instructions for checking and adjusting the X-Cable tension using a tension gauge.
Definition and checking procedure for the mechanical head-up position of the machine.
Procedure for adjusting the Z-home position after checking head-up.
Procedure to inspect the rotational position of the hook point in relation to the needle.
Procedure to inspect the needle to hook gap (front to back position of the rotary hook).
Procedure for adjusting the hook timing and needle to hook gap.
Procedure to set the needle depth by visually inspecting the needle's position relative to the hook.
Step-by-step guide for setting the X/Y home positions using the X/Y Home Fixture.
Instructions to check if the X-Cable tension is within the permissible range.
Procedure to adjust X-cable tension when it is outside the required specifications.
Procedure to inspect the Y-axis timing belt tension using a force gauge.
Procedure for adjusting the Y-axis timing belt tension.
Procedure for inspecting and adjusting the Y-motor timing belt tension.
Procedure to manually adjust the Z-flag for optimal bottom center and head-up positions.
Procedure for adjusting the Z-home position after checking head-up.
Procedure to inspect and adjust the Z-drive belt tension using a force gauge.
Procedure for fine-tuning needle alignment after needle case replacement.
Procedure for rough calibration of needle alignment.
Procedure to inspect the alignment of the rotary hook support relative to the needle.
Procedure for adjusting the rotary hook support.
Procedure for replacing the entire color change, take-up, and feeder housing assembly.
Procedure for replacing the thread feeder stepper motor assembly.
Procedure for removing and installing the laser pointer assembly.
Procedure for replacing the reciprocator assembly.
Procedure for replacing the take-up lever cam.
Procedure for replacing and tensioning the Z-drive belt.
Procedure for replacing the Z-motor assembly.
Procedure for replacing the grabber stepper motor.
Procedure for replacing the take-up levers.
Procedure for replacing and adjusting the thread feeder assembly.
Procedure for overhauling the bobbin shaft, including radial bearing replacement.
Procedure for replacing the rotary hook.
Procedure for safely replacing the Main PCB, emphasizing ESD precautions.
Procedure for removing the power input assembly unit from the machine.
Procedure for replacing the in-line coupler component of the power input assembly.
Procedure for replacing fuses in the power input switch.
Procedure for replacing the power switch interface harness.
Procedure for replacing the power supply interface harness.
Procedure for testing and replacing the user interface assembly.
Procedure for replacing the color change motor harness.
Procedure for replacing the Ethernet harness.
Procedure for replacing the grabber/threadfeed motor harness.
Procedure for replacing the grabber/threadfeed/CC home harness.
Procedure for replacing the laser harness.
Procedure for replacing the LED cluster harness.
Procedure for replacing the thread break harness.
Procedure for replacing the Z home harness.
Procedure for replacing the user interface harness.
Procedure for replacing the X/Y home harness.
Procedure for replacing bearing block assemblies.
Procedure for replacing the X-beam assembly.
Procedure for removing and repairing the X-carriage assembly.
Procedure for removing the X-drive cable.
Procedure for installing the X-drive cable assembly.
Procedure for replacing the X-drive motor assembly.
Procedure for replacing the X-home optical switch assembly.
Procedure for replacing the X/Y home PCB.
Procedure for replacing the Y-drive belts.
Procedure for replacing the Y-motor assembly.
Steps to perform the grabber function test to isolate mechanical/electrical failures.
Tests to ensure correct repairs and adjustments after major service.
Procedure for machine burn-in after major component replacement.
Troubleshooting chart for diagnosing most AC power failure issues.
Diagnosis of failures related to the machine's color change functionality.
Troubleshooting steps for failures during machine power-up and initialization.
Troubleshooting steps for false thread breaks, often caused by upper thread tension.
Common causes and solutions for loose or looping stitches during embroidery.
Troubleshooting guide for common causes of needle breaks.
Common causes and solutions for skipped stitches.
Troubleshooting checklist for thread breaks based on material thickness and stitch settings.
Troubleshooting needle issues including orientation, depth, and plate condition.
Troubleshooting thread path issues, including threading and roller condition.
Troubleshooting issues with thread feeder and pinch rollers.
Troubleshooting common issues related to fabric hooping and hoop arm security.
Checks and solutions for rotary hook issues that cause thread breaks.
Solutions for issues causing the machine to miss starting stitches or colors.
Troubleshooting common problems with cap frames, including registration and puckering.
Solutions for loss of registration issues, including cap support and spindle adjustments.
Solutions for birdnesting and other miscellaneous embroidery issues.
Troubleshooting for DSP command errors.
Troubleshooting errors when stepper motors fail to initialize.
Troubleshooting when no design is loaded for trace function.
Troubleshooting when X/Y home positions are not synchronized.
Troubleshooting steps for errors related to stepper motor position detection.
Troubleshooting false E-Stop engaged messages and related errors.
Procedure to troubleshoot servo motor errors like move time out, tracking, and over current.
Overview of critical mechanical settings and assembly measurements for the embroidery machine.
Measurement procedure for the vertical free play of the needle drive stud to reciprocator fit.
Measurement of the hook gap repeatability across all needles compared to the closest needle.
Measurement procedure for the vertical distance the take-up lever travels.
Procedure to measure the pull force required to lift the take-up lever.
Measurement and adjustment procedures for the color change housing location.
Measurement and adjustment procedures for bobbin tension.
Procedure to check bobbin tension by holding the bobbin thread.
Procedure to measure and adjust presser foot height at bottom dead center.
Guidelines for correct needle installation and orientation for optimal sewing quality.
Procedure to measure thread clean thread path using thread and a weight.
Measurement and specification for Z-belt tension.
Measurement and specification for X-cable tension.
Measurement and specification for Y-axis timing belt tension.
Guidelines for checking and maintaining proper lubrication of machine moving parts.
General| Brand | Melco |
|---|---|
| Model | Bravo |
| Category | Sewing Machine |
| Language | English |
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