Maintenance work to be completed every 24 months 
44  K-MT1-8_EN_08—2014 
 
Installing / dismantling pressure dewpoint sensor 
►  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). 
►  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. 
►  If no other maintenance work is to be carried out: Restart the dryer (see 
page 38). 
►  Place the protective caps (4, 5) onto the old dew point sensor and dispose of 
it in accordance with the applicable regulations. 
Maintenance work to be completed every 24 months 
Replace the membranes of solenoid valves 
You should replace the membranes of solenoid valves every two years. Proceed 
as described in section Replace solenoid valves . You must, however, replace 
the membranes only (contained in the Service Kit for 24 months).