Printed Circuit Boards - GROMARK d.o.o.
The limited company GROMARK was established in 2014 as the independent business activity was already exceeded. Our beginnings date back to the year 1998, when, based on the experience gained in similar work in the industry, we began with an independent activity. From the very beginning, we are dealing with planning and design, and the final result of our work is the supply of printed circuits by order of our customers. The highest attention is paid to the quality of products, resulting in our greatest satisfaction – fulfillment of customer’s requirements.
Due to the fact that we are aware of the fact that the quality of the products depends on the quality of the materials, we pay attention to their choices as much as possible. In doing so, we do not place the raw material purchasing price at the front, but the reputation of the manufacturer that he has acquired over the years. We supply exclusively materials that comply with the most demanding regulations and are internationally recognized.
Together with business partners, we can also offer the supply of printed circuits from the development of prototypes to finished electronics products, including the purchase and installation of all the necessary components for the assembly.
The production of printed circuits, which may be equipped with electronic components, does not end when the products are made, but are subject to a strict inspection of our controllers. Only in this way we can be without worries that our clients will get what they expect from us
Coution: Never lubricate this dry oil-less airpump. The carbon vanes and grease packed motor bearings require no oil. Construstion: The outer end plate, body, rotor, and mounting bracket are all cast iron. Consequently any moisture that accumulates in the pumpe will tent to corrode the interior when printed circuit boards stands idle. The vanes are made of hard carbon and precision ground. They shoud last 5000 to 10.000 hours depending upon the degree of vaccuum or pressure at which the pump is run. Starting: If the printed circuit fails to start or hums, pull the plug and check the current raiting showwen on the motor nameplate. If the pumpe is extremely cold, bring to room temperature before starting. If anything appears to be wrong with the board return the complete boards and motor assembly to the factory.
Note: All dual voltage motors shipped from factory are set for hight voltage. Check diagram on board nameplate and reset for your valtage. Warning: The board may be thermally protected and can automatically restart when the protector resets. Allways disconnect power source before servicing. Porsonal injury and/or property damage could result. Filters: Dirty filters restrict air flow and if not corrected, colud lead to possible motor overloadnig and early boards failure. Check boards periodically and cleen when necessary by remooving felts from the filter and washing in a solvent. Dry with compressed air and replace.
Flushing: Should excessive printed circuit, foreign particles, moisture or oil be permitted to enter the pump, the vanes will act sluggish or even brake. Flushing of the pump should take care od these situations. In order to flush a printed circuit boards, remove the filter and muffler assemblies and introduce several teaspoons full of solvent in to the pumpe through the intake while the pump is running. Flash unit in a well ventilated area. Eye protection is recommended. Kip face away from exhaust port and do not flush unit with flammable solvent. Repeat the flushing procedure and if it does not remedy the situation, remove the end plate for further examination.
Disassembly: If flushing does not eliminate the problem, remove the six bolts holding the end plate to the body. Now remove the end plate and the four vanes (do not remove the rotor or loosen any electric boards thru-bolts). If the pump fails to produce the proper vaccumm or pressure, the vanes could be worn. A metallic clanding colud mean the rotor and body are touching. The top clearance may be adjusted by lightly tapping on the pumpbody (either top or bottom depending upon whether clearance is too large or small). The rotor should be turned while setting clearance to assure that all points on the motor clear the body. End clearance for the drive is 0.0015 and 0.003 for the dead end.
Recommended solvent: Gast flushing solvent part AH255, do not use kerosene, gasoline or any other flammable liquid. Danger: To prevent explosive hazard, do not pump combustible liquids or vapors with these units. Personal injury and / or property damage will result. It is usually quickest and least expencive to send the unit in for repair. All returns are F.O.B. Benton Harbor, Michigan.
Colight warrants to buyer that each item sold shall be free of defects in materials and workmanship for period of the hundred eighty days from the date of delivery to buyer. Should defects appear in any goods sold within the warranty period, Colight will repair or replace any part or parts which are defective in the opinion of Colight with the exception of lamps, fuses, or finishes of the interior and/or exterior, and which are returned to Colight's facilities of buyer's expense upon twenty days prior written notice, Buyer will be charged for any replacement parts when shipped to buyer by Colight, but full credit may be given to buyer when the defective parts are returned to Colight pursuant to a Returned Goods Authorisation.
This warranty does not apply to any goods or printed circuit boards which have been damaged through misuse, negligence, or accident. This warranty does not apply to any item in which parts other than replacement parts made or approved by Colight have been used if said parts are or may be the cause of failure. This warranty does not apply in the event dry processing goods are installed in a chemically contaminated environment.
For any breach of warranty, express or implied, the liability of Colight to buyer or to any other person is hereby expressly limited to the replacement of any article which shall appear to be defective in the opinion of Colight.
