Brief Description: Fuel Tank Pads and Baggage Floors
Completed steps 1-4 page 21iS/U-02. Step 1: Cut to length four F-01241 (UHMW plastic bar) as shown in Figure 1. Step 2: Align two each F-01241 to F-01224-L-1 and F-01224-R-1 as shown in Figure 2. Match-Drilled #30 F-01241 using F-01224-L-1 and F-01224-R-1 as guides. Marked for reassembly. "Over" machine countersunk #30 all the holes in each F-01241 for CS4 rivets to prevent the rivet head from abrading the tank skin. Step 3: Used a step drill to enlarge the #30 hole to 5/8 in F-01224-R-1 per the call-out. Step 4: Dimpled the #30 and #40 holes in F-01224-L-1 & -R-1 along the edges bordered by the dashed lines and around the access holes per Figure 2.
