Maintenance and repair of the dryer
HDK350_EN_01_2005-05-10
51
►
Loosen the screw at the adapter (1) and disconnect signal cable with the
adapter and seal.
►
Remove dewpoint sensor from the sensor cell (3) by turning the nut (2).
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Take the new dewpoint sensor (2) from the box, remove the protective caps
(4, 5) and screw it into the sensor chamber (3).
►
Place seal onto sealing face; connect adapter (1) and secure it by tightening
the screw.
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If no other maintenance work is to be carried out: Restart the dryer (see
page 44).
Note:
For posting, the dewpoint sensor must be equipped with protective
caps and placed in a solid box.
►
Place the protective caps (4, 5) onto the old dewpoint sensor and pack it
properly in the box.
►
Send the old dewpoint sensor to the manufacturer.
Clean or replace check valves
Check valves are wear parts and should be cleaned, or replaced, every 12
months.
►
Release pressure from dryer and shut down the unit (see page 43).
►
Remove check valves from the pipe bridge by opening the threaded joints.
Observe direction of rotation for upper (1) and lower (2) pipe bridge (see
figures below).
Dismantling of check valves
►
Disassemble check valves and clean all parts.
►
Worn or damaged check valves must be replaced.
►
Remount the check valve in the pipe bridge.
►
If no other maintenance work is to be carried out: Restart dryer (see page
44). Check connection for tightness.
Summary of Contents for HDK 50/100
Page 1: ...High Pressure Dryer HDK 50 100 600 350 Operating Instructions Issue 05 2005 EN...
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Page 72: ...Dimensional drawing 72 HDK350_EN_01_2005 05 10 Items Option...