(3) Remove contaminants from threads.
(4) Allow parts to air dry.
(1) Inspect plastic parts for cracks, fractures, or chipped edges.
(2) Inspect electrical contacts for pits or burning.
(3) Inspect contact springs for broken or deformed coils.
(4) Inspect heater element for burning.
(5) Inspect all hardware for damaged or stripped threads or heads.
(6) Inspect base and overload relay mounting brackets for fractures or bent surfaces.
(7) Inspect overload relay body for cracks, fractures, or chips,
(8) Inspect reset lever for free movement.
(9) Inspect contact areas for burning or cracks.
f. Repair or Replace.
(1) Replace all damaged nuts, bolts, screws, and washers.
If heater element has been burned out, replace entire overload
relay including new heater element.
(2) Replace damaged or unserviceable overload relays.
(3) Repair, straighten, rework, or replace mounting brackets with minor dents, bends, or breaks.
g. Reassembly. (Figure 3-13)
(1) Position three lower contacts (42) in stationary contact block (36) and install screw (40) and
lockwasher (41) through lower contact (42) and stationary contact block (36).
(2) Install screw (43), clamp (44), and spacer (45) into three lower contacts (42).
(3) Position three upper contacts (39) in stationary contact block (36), and install screw (37) and
lockwasher (38) through contact (39) and stationary contact block (36).