11 62-10327
3. Ensure that the remote monitoring and interrogation sockets are
secure and free from damage and corrosion and caps are properly
tethered to the unit (Refer to
Figure 13
). Repair/replace as required.
Figure 13 Interrogation Socket
4. Inspect the compressor and mounting plate for severe corrosion,
and check compressor shock mount for damage (cracks). Repair
or replace as necessary. Torque the mounting bolts according to
specifications in the operation & service manual. Locating
operation & service manuals is explained in the Purpose section.
5. Inspect the electrical control box (Refer to Figure 14):
a. Interior should be dry and free from signs of damage, over-
heating, corrosion, and moisture ingress. Repair any damage
to the control box door gasket.
b. Wire tie all loose wires.
c. Examine contacts for severe pitting, and replace contactor if
necessary.
d. Check to make sure wiring diagrams and schematics are pres-
ent and legible. Replace if missing or damaged.
e. Inspect the circuit breaker panel for damage and corrosion.
f. Inspect for damage and check tightness on all wire harnesses
and connections in control box, repair or replace as neces-
sary. Use of a Pozi drive (star) screwdriver is critical to assur-
ing the tightness of contactor wire screws.
g. Carry out a Megohm test on all motors and heaters. Replace
components if test is below the TechLINE minimum recom-
mendation or as specified by customer if higher. Refer to
TechLINE June 2014 issue for Megohm Readings.
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