Kasco Robust-Aire Assembly & Installation Manual

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MOVING WATER FORWARD, SINCE 1968
Robust-Aire™
DIFFUSER
ASSEMBLY
Assembly &
Installation
Manual
Document number 772100
Document version 2021.1.0
800 Deere Rd. Prescott, WI 54021 | 715.262.4488 | sales@kascomarine.com | kascomarine.com
ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL
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  • Page 1 MOVING WATER FORWARD, SINCE 1968 Robust-Aire™ DIFFUSER ASSEMBLY Assembly & Installation Manual Document number 772100 Document version 2021.1.0 800 Deere Rd. Prescott, WI 54021 | 715.262.4488 | sales@kascomarine.com | kascomarine.com ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL...
  • Page 2: Table Of Contents

    Safety First �������������������������������������������������������������������������������������������������������������������������������2 Suggested Tools & Supplies ���������������������������������������������������������������������������������������������������2 Installation Suggestions ���������������������������������������������������������������������������������������������������������2 Parts Included �������������������������������������������������������������������������������������������������������������������������3 Assembly Instructions ������������������������������������������������������������������������������������������������������������4 Installation Instructions ���������������������������������������������������������������������������������������������������������9 Replacement Parts ���������������������������������������������������������������������������������������������������������������10 Warranty ��������������������������������������������������������������������������������������������������������������������������������11 Other Repairs ������������������������������������������������������������������������������������������������������������������������12 Repair Contact Form ������������������������������������������������������������������������������������������������������������13 QUESTIONS? 715.262.4488 kascomarine.com | sales@kascomarine.com ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL...
  • Page 3: Safety First

    • Some areas require warning signs to be posted. The system owner will assume all risks of operating the Robust-Aire™ system during winter months. Check your local laws and ordinances. • Do not use boats that tip easily, such as canoes, for installation. Follow all boating safety rules and regulations, including wearing a PFD (Personal Flotation Device).
  • Page 4: Parts Included

    Back to Contents PARTS INCLUDED Item Description Qty. Locknut Carriage bolt 5/8” barb fitting 3/8” barb fitting 3/8” hose clamp 5/8” hose clamp Edge guards Substrate connector Substrate riser Tubing assemblies Inlet check valve assembly ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL...
  • Page 5: Assembly Instructions

    Tighten a barb fitting into the check valve assembly. The barb fitting size depends on the SureSink™ Tubing size. Use an adjustable wrench to tighten the barb fitting to the inlet check valve assembly. Item Description 5/8” barb fitting 3/8” barb fitting ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL...
  • Page 6 4. Repeat step 3 to attach both substrate risers to the assembly. For best performance, keep an equal amount of tubing on either side of substrate risers. 5. Slide the substrate edge guards onto the connector plate as shown. ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL...
  • Page 7 6. Rotate the entire assembly and set the tubes on a flat surface. 7. Insert the six provided carriage bolts into the holes on the substrate connector plate and loosely tighten them down with the six provided lock nuts to temporarily hold them in place. ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL...
  • Page 8 8. Flip the diffuser assembly back over and tighten down each nut until snug with a socket wrench or a 7/16” nut driver. Kasco recommends using an extender for the socket wrench. 9. Slide the provided hose clamp of the appropriate size onto the SureSink™ Tubing. Feed the weighted tubing over the substrate connector, leaving plenty of slack.
  • Page 9 (diagonal from the notch on the opposite side of the plate). Ensure that the SureSink™ Tubing snaps into place in both correctly sized notches before installing the unit. 3/8" SureSink 5/8" SureSink 3/8" SureSink 5/8" SureSink ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL...
  • Page 10: Installation Instructions

    Doing this will allow for easier maintenance in the future and also will notify others of the diffuser's location. Repeat the steps for additional Robust-Aire ™...
  • Page 11: Replacement Parts

    773013 3/8” barb fitting 773012 3/8” hose clamp 773008 5/8” hose clamp 773009 Edge guards 772032 Substrate connector 772031 Substrate riser 772030 Replacement tubes 772040 Inlet check valve 772033 Tee fitting 772221 Nipple 773003 13 12 ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL...
  • Page 12: Warranty

    Center. You can also email Kasco at sales@kascomarine.com. Please include the repair form received from Kasco or your local distributor with the shipment. If no repair form is available, include your name and physical address for return delivery of the repaired unit and a day- time phone number and/or email address for correspondence regarding the warranty claim.
  • Page 13: Other Repairs

    Please ship according to the instructions provided. Kasco does estimates on repairs at the request of the customer. The request for an estimate should be included in the letter that accompanies the returned unit and must include a daytime phone number and/or email address.
  • Page 14: Repair Contact Form

    Back to Contents REPAIR CONTACT FORM • Kasco requires that all equipment sent for repair MUST be accompanied by this form and marked to Repairs attention. Kasco Marine • Unit should be cleaned before shipping. 800 Deere Road • Kasco is NOT responsible for shipping damage accrued in Prescott, WI 54021 return shipment.

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