Hardware

Problem

Corrective Action

Chassis, covers, and brackets

Warped, bent, damaged surfaces, or missing hardware

Replace

Components (mechanical and electrical)

Loose mountings

Repair

Broken or damaged leads

Replace

Deterioration or leakage

Replace

Connector pins

Slightly bent

Straighten

Badly bent, loose or corroded

Replace

Nameplate, labels, and decals

Not legible

Replace

PCB surfaces

Charred, cracked, or brittle

Replace PCB

Note: Some discoloration of the PCB surface can be expected due to the high operating temperatures of some components.

Screws and nuts

Loose or cross—threaded

Tighten or replace

Terminals and connections

Installed incorrectly

Install correctly

Missing or worn

Replace

Failed solder connections

Resolder (if not damaged) or replace

Wire insulation and tubing

Deteriorated, worn, pinched, or damaged

replace