[. . . ] [. . . ] Use caution and drill out (2) T-stat rivets from exterior mounting plate with a 5/32" drill bit, (See Diagram A). Insert (2) 6-32 x 1/4" studs through mounting plate and T-stat and tighten keps nuts. Model V1 Shown Drill out (2) T-stat rivets on exterior mounting plate with 5/32" drill bit. DIAGRAM A EXTERIOR VIEW 5. Reestablish 115 VAC power and cycle Crawl Space Ventilator "on" to verify proper operation. [. . . ] [. . . ]