Carrier 69NT40-541-001, Operation And Service

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T-316 7–40
The damaged insert must be removed from the control box. Table 7–4 identifies the drill size and drill depth to be
used for each insert. A stop ring should be used on the drill bit to limit the depth.
a. Center the drill bit on the insert and drill to the prescribed depth.
b. Remove the chips from the drilled hole.
c. Mix the two component epoxy and fill the hole 1/2 way to the top with epoxy.
d. Press the insert in until it is flush with the surface.
e. Wipe away any excess epoxy. The part is ready for service after the bond material has hardened and is tack
free (approximately 20 minutes).
7.25.5 Door Hinge Inserts
If the door hinges have been pulled from the control box drill and reinstall the hinge as shown in Figure 7.30 and
described in the following steps.
Figure 7.30 Door Hinge Repair
Materials needed:
1. Cut two square pieces of 3 mm thick (1/8 inch) aluminum or stainless steel approximately 40 mm (1 5/8”)
square. These squares will serve as backing plates.
2. Two nuts, bolts (10 - 24 x 1") and washers for each insert that needs repair.
a. Drill a 1/4” hole in the center of each square backing plate.
b. Pass the bolts through the bolts holes in the door hinge, then through the control box at the location
where the hinge insert pulled out.
c. From inside the control box, slide the backing plates over the bolts and secure in place with the washers
and nuts.