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280 DC Owner's Manual
Revised September 2020
Maverick Boat Group
3207 Industrial 29th St. • Fort Pierce, Florida 34946
• cobiaboats.com
(772)-465-0631
1

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Summary of Contents for COBIA 280 DC

  • Page 1 280 DC Owner’s Manual Revised September 2020 Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 2 Dear New Cobia Owner, On behalf of Cobia Boats, I would like to congratulate you on your purchase. We at Cobia strive to build the best products possible and wish you years of trouble-free enjoyment. There are many things to know about the operation, care, and maintenance of our products and the systems we install in them.
  • Page 3: Table Of Contents

    Cobia 280 DC Hull Wire Harness ......................31 Cobia 280 DC Hardtop Wire Harness ....................32 Cobia 280 DC Kitchen Wiring A (120 VAC MDP) ................33 Cobia 280 DC Kitchen Wiring B ......................34 Cobia 280 DC Sanitation System ....................... 35 Cobia 280 DC Water Supply System ....................
  • Page 4: Cobia 280 Dc Specifications

    Cobia 280 DC Specifications L.O.A........................27’ 07” BEAM..............………………….…....9’ 08” DRAFT...........................23” WEIGHT W/O ENGINE..................5,680 LBS. FUEL CAPACITY....................172 GAL. DEADRISE @ TRANSOM..................21 DEG. MAXIMUM H.P......................500 TRANSOM HEIGHT…………………………………..…...…….……………..……25” TWINS MAXIMUM CAPACITIES............8 PERSONS OR 1,200 LBS COCKPIT SQUARE FOOTAGE…………………………………………………..45.2 SQ. FT. BRIDGE CLEARANCE ……………………99.2 IN AT LIGHTSHIP, 95.4 IN AT FULL LOAD...
  • Page 5: Pre-Operation Checklist

    Pre-Operation Checklist We recommend you print this document and store it at the helm station. Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 6: Maintenance & Cleaning

    Maintenance Cobia advises owners that maintenance and repairs should be performed at an authorized Cobia Dealer. The following information is general in nature and should not be considered a repair manual or guidelines set forth by Maverick Boat Group. Cleaning Each Cobia boat is constructed using the finest materials and components available.
  • Page 7: Engine Break-In Period

    DO NOT operate the boat if the engine stop switch system does not function properly. Go to a Cobia Dealer to have this resolved immediately. The lanyard should be securely attached to the boat operator at all times that the engine is on.
  • Page 8: Helm & Command Link Gauges

    Yamaha engine owner’s manual located in the Cobia Duffel Bag. Cobia Duffel Bag Along with your boat, you received a Duffel Bag with your new Cobia. Inside the Duffel Bag are the following items: o Large Livewell Standpipe o Short Livewell Standpipe o 1.5”...
  • Page 9: Fuel-Water Separator & Drain

    If there appears to be an excessive amount of water, the filter component should be replaced. See your authorized Cobia Dealer for replacement parts. Refer to Fuel System diagram, page 38.
  • Page 10: Bilge

    Bilge Bilge The bilge of your Cobia should always be checked before and after a launch. While checking the bilge, note that a small amount of water in the bilge is normal. However, a large amount of water or any signs of fuel or oil requires immediate attention.
  • Page 11: Systems

    until you feel it snap back in place. Once this is completed you can try to turn the pump on again. If the bilge pump still does not turn on, it likely needs to be replaced. It is not recommended to use your boat if the bilge pump and/or float switch are not functioning properly.
  • Page 12: Cockpit Courtesy Lights

    280 Livewell Pump Assembly The livewell pump assembly is composed of a scoop strainer mounted to the bottom of the hull, a thru hull fitting, ball valve assembly, and the pump. As you can see, the ball valve assembly is in the “OPEN”...
  • Page 13: Battery Switch And Main Distribution Panel

    Battery Switch and Main Distribution Panel Battery Switch and Main Distribution Panel The battery switches and main distribution panel are located on the inboard wall of the helm station. The battery switches are labeled to correspond with each battery and the component it powers.
  • Page 14: Ladder & Props

    Ladder & Props Stainless Boarding Ladder This Cobia model comes standard with a telescoping stainless-steel boarding ladder integrated into the port aft platform area. This provides a stepping area while the ladder is in the up position. Once the ladder is down and in the extended position, close the lid cover for safe and secure entry and exit via the ladder.
  • Page 15: Fuel System

    Props Prop selection on your Cobia is determined by your local Cobia Dealer, but all props are based on recommendations from Cobia Boat Company and Yamaha Marine in order to give your boat maximum overall performance. The needs of your prop will determine the prop design and size that best fits your performance requirements.
  • Page 16: Self-Bailing Cockpit & Livewell

    Continuous or periodic running of the automatic bilge pump may be an indication of a hose leak or break in a seal and should be investigated by a Cobia Dealer immediately. Refer to page 10 for further information regarding bilge pump operation and maintenance.
  • Page 17: Anchor Locker

    The livewell operates by pumping fresh seawater from the pump through an aerator head into the livewell. Drainage is achieved through the grate on the top of the standpipe, which, when unobstructed, will limit the water level to the standpipe’s highest point.
  • Page 18: Standard Features

    Windshield The windshield on the 280 DC can fold to either fit in either an open or closed position. The open position allows for an easy walkway to and from the bow, while if it is closed it can sit securely for long runs.
  • Page 19 Standard Freshwater Shower The 25-gallon fresh water tank on your new Cobia can be filled at the cap labeled “WATER” on the starboard transom next to the walk-thru door. The hose nozzle is on the starboard aft bulkhead. To pressurize the system, flip the switch labeled “FRESH WATER”...
  • Page 20: Bench Seats & Ski Box

    Bench Seats & Ski Box Aft Bench Seat The Cobia 280 DC has an innovative aft bench which can be positioned two different ways. In the compact position, the seat leaves more room on the deck by resting the bottom cushion in a vertical position. While in this position, the transom is made more easily accessible.
  • Page 21 Cooler Bench Seat Your Cobia 280 DC comes equipped with a versatile and easy to use adjusting cooler seat. It can be positioned to provide a front facing seat or a reclined back facing seat. The position of the seat can be changed by simply by moving the backrest opposite the direction you would like to face.
  • Page 22: Waste System

    An electric head with macerator unit is standard on the 280. The instruction manual can be found in the Cobia Duffel Bag, and basic operating instructions are listed on the following pages. (Refer to page 35 for Sanitation System diagram).
  • Page 23 This is the position the handle should be kept in at all times to prevent the possibility of mistakenly discharging waste overboard in waters illegally. (Within 3 miles of shore and where otherwise designated.) If desired, the handle can be locked in this position by inserting a padlock through the hole on the handle and through the housing on the Y- valve.
  • Page 24 Note that the wide portion of the handle is covering the down arrow. The exposed arrows show the direction of the flow up. FLOW UP = DECK PUMPOUT Note that the wide portion of the handle is covering the up arrow.
  • Page 25: Optional Features

    A bow plate and anchor roller have been added to accept the anchor and keep it far enough from the bow of your 280 DC to prevent damage to the bow. The windlass is mounted just aft of the bow roller plate.
  • Page 26 Please review the manufacturer’s operating instructions on the following pages before using your windlass. Additional information can be found in the Lewmar owner’s manual. WARNING: READ ALL INSTRUCTIONS BEFORE OPERATING WINDLASS DO NOT USE THE WINDLASS TO DRAG THE BOAT TO YOUR ANCHOR. THE PROPER METHOD IS TO USE YOUR BOATS OWN POWER TO POSITION YOURSELF RIGHT ABOVE THE ANCHOR AND THEN USE THE WINDLASS TO HAUL THE ANCHOR.
  • Page 27 Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 28 Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 29 Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 30: Cobia 280 Dc Deck Wire Harness

    Cobia 280 DC Deck Wire Harness 10. Deck to Hull Connections 1. W/S Washer 11. Port Aft USB 2. Amplifier 12. Port Cockpit Light 3. Grounds 13. Port Mid USB 4. W/S Wiper 14. Livewell Light 5. Storage Compartment Light 15.
  • Page 31: Cobia 280 Dc Hull Wire Harness

    Cobia 280 DC Hull Wire Harness 1. Trim Tab Switch 2. Helm Seat 3. Shade Control 4. Grounds 5. Starboard Speaker 6. Port Deck Connections 7. Port Insert Connections 8. Amplifier 9. Kitchen Connections 10. Starboard Insert Connections 11. Starboard Deck Connections 12.
  • Page 32: Cobia 280 Dc Hardtop Wire Harness

    Cobia 280 DC Hardtop Wire Harness 8. Starboard Aft Overhead Light 1. Port FWD Speaker 9. Starboard Aft Speaker 2. Port FWD Overhead Light 10. Horn 3. Port Aft Speaker 11. FWD Spreader Light 4. Port Aft Overhead Light 12. Starboard FWD Overhead Light 5.
  • Page 33: Cobia 280 Dc Kitchen Wiring A (120 Vac Mdp)

    Cobia 280 DC Kitchen Wiring A (120 VAC MDP) Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 34: Cobia 280 Dc Kitchen Wiring B

    Cobia 280 DC Kitchen Wiring B Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 35: Cobia 280 Dc Sanitation System

    Cobia 280 DC Sanitation System Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 36: Cobia 280 Dc Water Supply System

    Cobia 280 DC Water Supply System Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 37: Cobia 280 Dc Deck Drain System

    Cobia 280 DC Deck Drain System KITCHEN SINK DRAIN------------------------ --------------------------------- STBD LOCKER FLOOR DRAIN AFT ACCESS FLOOR DRAIN---------- -----------1-1/2 D DRAIN HOSE -----------1 D DRAIN HOSE STBD FWD TUB DRAIN--------- AFT ACCESS FLOOR DRAIN--------- SKI LOCKER FLOOR DRAIN--------- LIVEWELL DRAIN-----------...
  • Page 38: Cobia 280 Dc Fuel System

    Cobia 280 DC Fuel System Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 39: Upholstery Care & Cleaning Guide

    Upholstery Care & Cleaning Guide Maverick Boat Group 3207 Industrial 29th St. • Fort Pierce, Florida 34946 • cobiaboats.com (772)-465-0631...
  • Page 40: Warranty

    Cobia Boats advises owners that an authorized Cobia Dealer perform maintenance and repairs on your boat. Self repairs and repairs done by a non- authorized Cobia Dealer may void the warranty on the boat. The following information is general in nature and should not be considered a repair manual or guidelines set forth by Maverick Boat Group.

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