Rev. 01
Desiccant Flex Dryer DFD
Side 33 af 40
8.0 REPAIRS
General repair instructions
The following measures must be taken before carrying out repairs:
- Turn off the power switch and disconnect the main supply.
- Allow the DFD dryer to cool down.
- Disconnect the cooling water hoses.
- Remove the covers by unscrewing the crosshead screws from the side of the machine.
8.1 Replacing the desiccant bed assembly
8.1.1 Disassembling/assembling the desiccant bed assembly
See drawing R2647 and R1875
1.
Turn off the power switch (20) and disconnect the main supply.
2.
Remove the side plates.
3.
Remove the cables from the control in terminal block (30) on the desiccant bed assembly
(1). Mark the cables to facilitate correct re-assembly.
4.
Loosen the clips of the 4 inlet and outlet hoses (31) and (32) on the desiccant bed assembly
(1) and disconnect the hoses.
5.
Remove the lower screws (33) on both sides of the desiccant bed assembly completely. The
upper screws (34) should only be loosened as they provide support. Remove the desiccant
bed assembly (1) by lifting it up/out.
6.
On the DFD dryer 150/200 it is necessary to remove the top plate and back plate to be able
to lift out the dryer.
NB: The weight of the dryer is:
DFD 100 = 36,0 kg
DFD 150 = 45,5 kg
DFD 200 = 45,5 kg