Ecco 21 Series Installation Instructions Manual page 3

Permanent Mounting with Adjustable Mounting Feet
1. Loosen the 5/16" nuts to allow the mounting feet to slide along the base. Place the lightbar over the center of the vehicle and slide the
mounting feet into position near the curved edges of the roof when possible.
2. Secure the feet in location on the lightbar by tightening the four nuts on each foot.
3. With the feet positioned, remove the adjustable foot cover and mark the location of the mounting hole centers on the roof of the vehicle.
Remove the lightbar and drill the mounting holes as marked. Note: The center distance between the mounting holes in an adjustable
mounting foot is 11.1" or 281.94 mm.
4. Attach the appropriate foot pad for the curvature of the roof surface per FIGURE 2. Secure the lightbar feet to the vehicle using the
supplied 1/4"-20 hardware and reattach the adjustable foot cover as shown in FIGURE 1. See the Wiring section of this manual for
further wiring instructions.
1/4"- 20 HEX BOLT
RUBBER PAD
VEHICLE
ROOF
FLAT ROOF
WEDGE RUBBER PAD
FIGURE 1
FIGURE 2
ADJUSTABLE FOOT
COVER
OVERSIZED FLAT WASHER
1/4" NYLON INSERT NUT
FLAT RUBBER PAD
CURVED ROOF