Performing maintenance
CTU 2xxx series
en-US
Page 87 / 108
BeWa CTU2000 3160738h en-us 2018-11-15.docx
2018-11-15
Disassembling the filter regulator
Only disassemble the filter regulator when the
pneumatic system is depressurized. Remove the filter
regulator to disassemble it.
Disassembling the top part
Pull the setting knob [1] upwards and turn it all the way
in a counterclockwise direction until it will go no further.
Unscrew the upper assembly [3].
Remove the governor spring [5] and the set screw [4]
Pull the piston [6] out of the housing [8]
Pull the seal [7] out of the housing [8]
Disassembling the bottom part
Taking the lower assembly apart is facilitated if you turn
it so that the reservoir [14] is pointing upwards.
Unscrew the receptacle [14].
Remove the tapered filter element [13] from the
reservoir.
Rotate the unit.
Loosen the insert [12] using needle-nose pliers by
turning it to the left and remove it from the housing [8].
Remove the pressure spring [11] from the housing [8]
using needle-nose pliers.
Pull the valve piston [10] out of the housing [8].
Remove the O-ring Ø 31x2 [9] from the housing.
Assembling the filter regulator
