ASSEMBLY MANUAL B-25 Mitchell ARF - RC DEPOT

Section 8: Retractable Landing Gear Installation Step 21From the back side of the mounting rails, insert thefour 4-40 blind nuts and use a 4-40 bolt with a washerto draw each blind nut into each one of the four holesjust drilled. Step 23Set the main gear retract onto the mounting rails. Placea # 4 washer onto each of the four 4-40 x 1-inch sockethead bolts, then securely fasten the retract to the mountingrails with these four 4-40 x 1-inch bolts. Step 22Install 20-inch (508mm) of each color of air line ontoeach air cylinder inlet on the main landing gear. These airlines will be pulled later through the same holes in thewing that the throttle servo leads are pulled through. Becertain to follow the included Robart air line diagram forthe correct hook-up of the colored air lines.50