Pg. 29-05 Step 3: Riveted the Battery Mount Brace, Battery Mount Angles and Oil Tank Brace to the Oil Tank Side Braces Step 5: Made the F-1204C Clip. Match-drilled #40 to the F-1240B Cover Plate. Deburred and dimpled the screw holes in the Clip and Cover Plate,then riveted the Clip to the Cover Plate.