Do you have a question about the Jema JM-988 and is the answer not in the manual?
Details functions of buttons like Quantity, Reset, Start, Stop, and control options.
Describes buttons for arm movement, shaft rotation, and feeding mechanisms.
Covers buttons for clamping, baffling, manual, and gas feeding.
Step-by-step guide for initial machine startup procedures.
Describes the machine's default state after startup.
Instructions on how to change buttons and adjust settings.
Details connecting air supply and adjusting gas pressure meter.
Explains using the touch screen for feed tray speed adjustment.
Details the process of manually feeding buttons using the control panel.
Checks and replaces button gripper specifications if needed.
Adjusts the damper and gap between buttons using manual testing.
Sets the quantity for main and vice buttons before feeding.
Details components like guide blocks and nozzles for button pressing.
Adjusts spring pressure for thin or thick buttons.
Solutions for buttons not falling correctly, involving sensor and gate checks.
Solutions for the machine not feeding buttons, checking sensors and power.
Solutions for the vibrator not functioning, checking power and communication.
Details how to install the sensor fixing support correctly.
Shows positions for electromagnet connectors and guides sensor connection to PCB.
Details the correct position for installing the button sender sensor.
Shows electromagnet socket position and guides J28 sensor connection to pedal switch.
Details installing the induction fixing support on JACK machines.
Details installing the induction fixing support on ZOJE machines.
Guides dismantling shell and fixing sensor on ZOJE machines.
Details installing the induction fixing support on JACK and ZOJE split machines.
Shows the state before installing the 373D sensor.
Guides connecting the 373D sensor with the wiper signal cable.
Shows the state after installing the 373D sensor.
Illustrates the state before installing the vice button feeder sensor.
Illustrates the state after installing the vice button feeder sensor.
Guides installing the sensor fixing rack and needle protection sensor.
Installation for Dahao systems, connecting J28 sensor to pedal switch.
Installation for heavy machines, connecting J28 sensor to pedal switch.
Installation for SUPU systems (373D), connecting J28 sensor to pedal switch.
Provides a visual representation of the machine's components with part numbers.
Lists and describes parts numbered 01 through 80.
Lists and describes parts numbered 81 through 258.
| Brand | Jema |
|---|---|
| Model | JM-988 |
| Category | Sewing Machine |
| Language | English |