Quincy QHD750, Instruction Book

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Instruction book
9829 2151 14 97
10 Instructions for use of Air Dryer
General
1. This dryer vessel can contain pressurized air; this can be potentially dangerous if the equipment is
misused.
2. This vessel must only be used as a compressed air vessel and must be operated within the limits
specified on the data plate.
3. No alterations must be made to this vessel by welding, drilling or any other mechanical method
without the written permission of the manufacturer.
4. The pressure and temperature of this vessel must be clearly indicated.
5. The safety valve must correspond with pressure surges of 1.1 times the maximum allowable
operating pressure. This should guarantee that the pressure will not permanently exceed the
maximum allowable operating pressure of the vessel.
6. Original bolts have to be used after opening for inspection. The maximum torque has to be taken
into consideration.
Guidelines for inspection
On the Declaration of Conformity / Declaration of Incorporation the harmonized and/or other standards that
have been used for the design are shown and/or referred to. The Declaration of Conformity / Declaration of
Incorporation is part of the documentation that is supplied with this dryer.
Local legal requirements and/or use outside the limits and/or conditions as specified by Quincy may
require other inspection periods as mentioned below.
Recommendation by the manufacturer for the re-inspection time
Following actions are to be executed by the user of the equipment or by Quincy personnel, unless stated
different in national legislation of the country in which the equipment is operated. The stated time interval
has as reference the day of start-up of the unit.
Every 6 months:
Visual check of vessel material on outside (exposed) for traces of strong corrosion; consult manufacturer if
necessary.
Every 5 years, during the desiccant change, following inspections are to be carried out:
Inspection of outside and inside of the material for excessive and local corrosion, fissures, leaks, damage;
consult manufacturer if necessary.
Every 10 years:
Hydrostatic test according to test pressure on data plate; consult manufacturer if necessary.