Examine Power Cables; Power Cable Plug - Carrier ThinLINE 69NT40-541 Inspection Manual

12. Examine power cables:

a. Check the cable to make sure it is securely attached to the
unit and the clamp is in position.
b. Replace or repair the cable if damaged or crushed in any man-
ner. Replace the cable if more than one repair joint is found.
c. Replace the plug if pins are burned or pitted, or if locating lug
is missing (Refer to
d. Disassemble the plug from cable and tighten wires to the pins,
reassemble the plug making sure the cable gland is tight and
sealing cable.
e. Examine the plug gasket for any cracking/damage and
replace if necessary.
f. Carry out a Megohm test from power plug ground pin to the
ground plate in the control box. The Megohm reading of this
test should be zero.
g. Carry out a Megohm test from each power plug pin to ground.
The Megohm reading for the power plug ground pin should be
zero, and infinity for the other power plug pins.
13. Refit all exterior panels, examine all door seals, check for proper
alignment and water tight integrity. All door fasteners and fastening
bolts (including Mylar washers where required) should be present
and should tightly secure the doors. Replace any gaskets that are
brittle or cracked for the following:
a. Control box
b. Access panels
c. Fresh air make-up slide
62-10327
Figure
Figure 20 Power Cable Plug
16
20).
Loc g lug
Pin to ground