Gordak 952 Service Manual Jun 2026

Remove the three screws holding the plastic hot air handle casing together.

The is a critical technical resource for engineers and technicians tasked with the upkeep of this dual-function SMD rework station. Whether you are dealing with a faulty heating element or a complete power failure, understanding the internal schematics and maintenance procedures is essential for safe operation. Overview of the Gordak 952 Rework Station

Adjust in small increments of 1/8th turn, allowing 30 seconds for the thermal loop to stabilize between modifications. 7. Prevention and General Maintenance Schedules

: Both the hot air gun and soldering iron operate independently. Temperature Control Gordak 952 Service Manual

If any loop reads as an open circuit, replace the soldering iron handle or the internal ceramic heating core. Calibration Procedures

Note: Always disconnect mains power before opening the unit, and be aware that internal capacitors can retain dangerous voltage.

If you are servicing a brand-new or transported unit, verify that the red shipping bolts under the chassis (which secure the pump during transit) have been removed. Operating the station with these screws in place causes severe vibration and premature pump failure. Step-by-Step Troubleshooting Matrix Remove the three screws holding the plastic hot

Short-circuited air-control TRIAC or defective potentiometer.

The service manual is more than just a basic instruction booklet. It is a comprehensive technical document designed for repair professionals and advanced hobbyists. Its key contents typically include:

The station’s temperature control typically relies on an Op-Amp (e.g., LM324) and a Triac (e.g., BTA series). If the station heats uncontrollably or fails to heat at all, the triac in this section should be checked. For airflow issues—such as the motor not spinning or running at a constant speed—the potentiometer and its associated driver circuit should be examined. Additionally, voltage fluctuations in the power supply section—specifically the transformer outputs and rectifier circuits—can cause the digital displays to show incorrect values. Overview of the Gordak 952 Rework Station Adjust

When utilizing an external digital multimeter set to the resistance ( Ωcap omega

The heart of the control system for many 952 models is an analog circuit built around an operational amplifier. In earlier versions, this is often an , a quad op-amp similar in function to the widely known LM324. The schematic would show how this chip handles the temperature control loop, likely using a zero-crossing detection method where a triac (like the BT137 or BT138) is used to switch the AC voltage to the heating element. This setup provides stable, interference-free operation for both the soldering iron and hot air gun.