Vacuum Gauge Vap 5 - vacuubrand RE 2 Instructions For Repair

Vacuum gauge VAP 5

Before starting repair, isolate the equipment from the vacuum system and the electrical supply.
Tools required: Phillips screwdriver size 2
How to open the equipment
➨ Unscrew the three countersunk screws at the rear side of the housing, the four screws at the bottom of
the equipment and both binding screws at the housing front part by using the Phillips screw driver.
➨ Remove the housing rear part of the equipment, remove the housing and open the equipment care-
fully.
☞ Note: The parts on the printed circuit board are sensitive to electrostatic discharge.
➨ Do not touch components.
➨ If necessary, connect printed circuit board and technician to ground.
➨ Remove ribbon contact from the power supply printed circuit board and from the reading printed circuit
board.
Reassembling
➨ After having finished the repair, assemble the ribbon contact and screw the housing together.
After repair readjust the device (see instructions for use)!
Replacing the mains filter with switch
➨ Remove the three plug-in connections of the mains filter from the power supply pcb.
➨ Unscrew the two Phillips screws and remove the mains filter.
➨ Assemble the new mains filter.
➨ Plug the three plug-in connections of the mains filter onto the power supply pcb.
Replacing the ribbon contact
➨ Remove the ribbon contact from the power supply pcb and from the read out pcb.
➨ Assemble the new ribbon contact.
Replacing the read out pcb
➨ Unscrew the four Phillips screws and remove the defective read out pcb from the housing front part.
➨ Screw together the new read out pcb with LCD and the housing front part.
Replacing the power supply pcb
➨ Remove the three plug-in connections of the mains filter from the power supply pcb.
➨ Unscrew the Phillips screws (only new versions, remove nut from the sensor plug if available) and
remove the defective power supply pcb from the lower part of the housing.
➨ Fasten with screws the new power supply pcb.
➨ Plug the three plug-in connections of the mains filter onto the power supply pcb (fasten nut at the
sensor plug if available).
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Anwenders, die Gültigkeit dieses Dokumentes bezüglich seines Produktes sicher zu stellen.
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the validity of this document with respect to his product.
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