Filter System Maintenance (DCADC Series)

The Filter System Maintenance procedure applies to all California Air Tools DCADC dry air models that feature the Ultra Dry Cartridge Spin-On Filter:

 

10020HDCADC

10020HDCADC-22060

20040DCADC

20040DSPCADC

60040DCADC

20040DSPCADC

 

Maintenance includes replacement of the Dry Air Unit Spring and Unloader Valve Assembly (i.e. Inner Piston).

To perform filter system maintenance and replace the Dry Air Unit Spring and Unloader Valve Assembly (also referred to as the INNER PISTON), perform the following steps:

 

1. Using a #22 open-ended wrench, remove the muffler tube clamp, tube and muffler filter. The unit may need to be lifted up slightly and supported in order to remove the 3 parts.

 

2. Using a #11 metric open-ended wrench, remove the 2 bolts securing the main piston disc, along with the elbow & small tubing located on the check valve. Set the parts aside.

 

3. Next, remove the Dry Air Unit Spring and Unloader Valve Assembly, commonly referred to as the Inner Piston assembly. You may need to gently pry the inner piston out with a small flathead screwdriver.

 

NOTE: there is an o-ring attached to the internal dryer assembly and may fall out when the main disc or inner piston are removed; ensure the o-ring is present and reinstalled prior to main disc reinstallation.

 

4. To confirm proper function of inner piston assembly, push inner bolt inside center of the inner piston -- this should force out the half ball seal located in front. If necessary, clean and lubricate the inner piston prior to reinstallation.

 

5. Prior to reinstallation of the main piston ensure the inside o-ring is set correctly.

 

6. With the inner piston’s hole facing down, slide the inner piston fully into the seated position. The inner piston should gently lock into the groove below.

 

7. Reinstall the main piston disc by orientating into the position as shown and twist into place. Reconnect elbow, tubing and secure main disc with 2 bolts.

 

8. Thoroughly clean the filter with warm water. Once cleaned, reinstall filter, tube and tube clamp.

 

9. This completes the filter system maintenance procedure.

Ultra Dry Service Kit (Filter) Replacement

This Ultra Dry Service Kit (Filter) Replacement procedure applies to all California Air Tool DCADC dry air models that feature the Ultra Dry Cartridge Spin-On Filter.

 

Perform the following steps:

 

  1. Obtain Ultra Dry Cartridge Strap Wrench.
  2. Position Strap wrench belt around the Ultra Dry Spin-On filter and turn Counter-Clockwise.
  3. Remove and replace the Ultra Dry Filter.
  4. Turn fully Clockwise; attach the Ultra Dry Cartridge Strap Wrench and tighten.

 

 

Ultra Dry Cartridge Service Kit (Part Number 619003): https://www.ultraquietaircompressor.com/Ultra-Dry-Cartridge-Service-Kit-619003.htm

 

Ultra Dry Cartridge Strap Wrench (Part Number 619003-S): https://www.ultraquietaircompressor.com/Ultra-Dry-Cartridge-Strap-Wrench-619003-S.htm?categoryId=-1

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