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Heatless Desiccant Dryers
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Instruction Manual
Section 6:
Maintenance
Figure 6.5: Models 4 SCFM – 35 SCFM with pre-filter removed
Desiccant Changeout
Models 4 SCFM – 35 SCFM
1. See figure 6.5.
2. Remove prefiltration.
3. Unscrew four bolts ¾ turn on the opposite tower to aid
desiccant changeout process.
4. Unscrew the four pressure housing retaining bolts and
slide out the pressure housing.
5. Remove banjo fixing bolt using hex key.
6. Extract end cap and banjo assembly from pressure
housing.
7. Using banjo fixing bolt, retract the cartridge from pressure
housing.
8. Replace with new cartridge supplied as part of the
cartridge service kit.
9. Ensure O-ring seals are in place when installing cartridge
and assembly in pressure housing.
10. Follow above steps in reverse to finish installing new
cartridge into the dryer.
11. Repeat steps 1 – 10 for the second pressure housing.
12. Ensure the dryer is leak-free before operating pressure is
applied to the dryer.
13. Follow start up procedure as stated on page 18 of this
manual.
14. Continue to page 27 to reset the controller.
Tools required
• 5mm hex key
Important information
Ensure shutdown and start-up procedures are followed
prior to carrying out any maintenance work on the dryer.
The manufacturer will not accept responsibility for
physical injury, damage or delays caused by failure to
observe the instructions in this manual and manuals
provided with your equipment.
Figure 6.6: Models 4 SCFM – 35 SCFM with tower assembly removed
