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How to replace heating element of soldering iron for SS-989
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How to replace heating element of hot air gun for SS-989
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What is the SS-989, and what tasks can it perform?
The SS-989 is a 2-in-1 SMD rework station that combines a hot-air gun and a temperature-controlled soldering iron in one main unit. It can be used for hot-air removal and installation of surface-mount components, soldering, and general soldering-iron work. Separate power switches allow each function to be used independently or both to be operated at the same time when required.
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What electronic components can the SS-989 repair?
The SS-989 is suitable for desoldering and reworking QFP, SOP, and other surface-mount ICs, connectors, and general circuit-board components. Hot-air temperature and airflow are adjustable, while the soldering iron is suitable for touch-up soldering, removing residual solder, and general solder-joint work. It is suitable for electronics repair, research and development, and teaching environments.
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Can the SS-989 hot-air gun and soldering iron be used separately?
Yes. The SS-989 uses separate power switches, so the hot-air gun and temperature-controlled soldering iron can be started independently. During a single-function task, the other function does not need to remain running. When necessary, the two functions can also be used simultaneously by two users or within the same workflow.
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What are the temperature ranges of the SS-989 hot-air gun and soldering iron?
The SS-989 has a total power consumption of 700 W, and the soldering iron is rated at 60 W. The soldering-iron temperature range is 200°C to 480°C, while the hot-air range is from room temperature to 480°C. When setting the temperature, consider the component's heat tolerance, solder type, nozzle size, and heating distance.
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How quickly does the SS-989 soldering iron heat up?
The SS-989 uses an alumina ceramic heating element. Official information states that it reaches 300°C in approximately 36 seconds, making it suitable for repair situations that require a quick start. Actual heat-up time is affected by ambient temperature, the selected setting, soldering-tip condition, and power conditions.
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Can the SS-989 soldering-iron and hot-air temperatures be calibrated?
Yes. The SS-989's microcomputer control and 3-in-1 PC board provide CAL calibration for both the soldering iron and hot air, allowing correction when the actual temperature differs from the displayed value. Use a suitable temperature-measurement instrument and follow the steps in the manual when calibrating.
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What are the airflow and operating-noise specifications of the SS-989?
The SS-989 uses a diaphragm air pump with a maximum airflow of approximately 24 L/min. The specified equipment noise level is 45 dB. Adjust airflow according to component size and nozzle. Excessive airflow may move adjacent components, while insufficient airflow can extend heating time and increase localized thermal stress.
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Why does the fan continue running after the SS-989 hot-air function is turned off?
This is the automatic cooling procedure. After the hot-air function is turned off, the pump continues supplying air until the nozzle and heating area cool to a safer temperature, reducing thermal damage to the heating element and extending its service life. Do not switch off the main power or unplug the unit before cooling is complete.
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Can the SS-989 hot-air nozzles, soldering tips, or heating elements be replaced?
Yes. Both the hot-air gun and soldering iron are serviceable. Hot-air nozzles, soldering tips, and heating elements can be replaced according to specification, and three commonly used round hot-air nozzles are included. When purchasing parts, verify the dimensions, voltage, and original part number to avoid compatibility or safety issues.
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What are the differences among the SS-989E, SS-989B, and SS-989H?
The SS-989E is rated for AC 110-120 V, 60 Hz. The SS-989B and SS-989H are rated for AC 220-240 V, 50 Hz and mainly differ by the region of use and plug type. When purchasing or replacing electrical accessories such as a hot-air gun, verify the full model number and voltage version.