3 when it is loaded within the tire 33 tire 3 is now loaded into repair unit 1 smaller tires may require the use of a bottom filler pad 23 to fill the space below the tire if the tire 3 is narrower than approximately 20 inches side filler 25 should be employed on the side of tire 3 which does not include outside heat pad 22 to ensure a snug fit of tire 3 within the repair unit inside heat pad 24 is now be placed within tire 3 in the area of damage inflatable mandrel 28 is then placed within tire 3 inside heat pad 24 if tire 3 is too large for mandrel 28 to adequately fill the void within the tire inside air bag 26 should be used to fill the space once the heat pad and air bag arrangement is in place the tire section repair unit 1 is closed by positioning locking arm 6 into place over the top of the repair unit as described above fig3 shows the fully assembled repair unit with tire to be repaired therein side walls 4 after closing and securing of locking arm 6 are brought into close communication with tire 3 heat pads air bags as shown in fig1 ensure a snug fit completely around the sides of the tire mandrel 28 exerts pressure from within tire 3 overall the repair unit completely surrounds the area of the.