218 SEATING SYSTEMS & PEDESTALS
attwoodmarine.com
278 Series
Strong. Stable. Smooth. Unmatched Strength. • Heavy-duty casting easily supports popular oversized helm seats. Supreme Stability. • A rigid mount and wider seat interface create ultimate pedestal robustness. Extra Smooth. • Improved slider motion facilitates easy fore and aft movement. Dampening gas spring on the 278 Air System absorbs impact.
278 Pro System Fixed Height Pedestal
278 Air System Adjustable Height Pedestal
Seat moves fore and aft with minimal effort
Long handle folds out of the way when not in use (short handle option also available)
Dimensions of 278 Pro & 278 Air Systems NOTE: 278 Pro & 278 Air System components are not compatible with other seating systems. Fore and Aft Movement Total travel: 4.9" (From center position of slider) 3.1" 1.8"
Smooth, low-friction glide
Advanced design provides secure lock and better engagement
Added ribs for strength and stability
Positive lock for added stability and control
Friction control lock for added stability and control
Slider Dimensions
Forward Base Dimensions
Mount Dimensions
4 Slots (.72" x .29")
.32" Hole Diameter
8" Diameter
90°
13.4"
5"
11.5"
60°
4 Slots (.75" x .32")
6.2"
90°
5"
4 Slots (.87" x .38")
5" 9.1"
5" 8.55"
9" Diameter
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