TB 9-2300-378-14
(h) Install 9/16 inch long insert according to instructions in coil thread insert tool
kit.
(i) Inspect access door screws.
Replace defective screws with new flanged
(j) Remove cardboard and tape from air outlet port.
(k) Inspect door seal. Replace if defective (TM-20).
(l) Install air cleaner element (TM-20).
Figure 4-26. Air cleaner housing screw hole repair.
4-50