Carmanah Technologies Corp. | 250 Bay St, Victoria, BC V9A 3K5, Canada | 1.250.380.0052 | customerservice@carmanah.com | carmanahtraffic.com 20E / F SERIES USER MANUAL3.0 SOLAR ENGINE INSTALLATION3.5 Solar Engine Mounting to Side of Post\1. Obtain lock nut included with solar engine. Fully tighten against bottom of solar engine.2. Thread octagonal nut with set screw onto bottom of solar engine.3. Insert other octagonal nut into channel in side of post mount so it lines up with hole in top of mount.4. Thread solar engine all the way onto nut in channel. Loosen less than one turn until solar engine facessouth (for Northern Hemisphere locations).5. Tighten top octagonal nut down against mount, then tighten two set screws within octagonal nuts.