MAINTENANCE
PREVENTIVE MAINTENANCE PROCEDURES
6 - 4
I-E96-117B
®
2. Minimize electrostatic discharge by using the 80/20 iso-
propyl alcohol and water solution during burnishing.
3. Do not use excessive force while burnishing. Use only
enough force to shine the contact surface. Inspect the edge
connector after cleaning to assure no loss of contact surface.
FEMALE EDGE CONNECTOR CLEANING
To clean the contacts on a female edge connector:
1. Use a foam tipped swab or a lint-free cloth wrapped over a
piece of scrap circuit board. Soak the swab or cloth in elec-
tronic grade isopropyl alcohol.
2. Insert the swab of cloth covered circuit board into edge
connector and work it back and forth to clean the contacts.
3. Rinse the edge connector contacts by spraying with isopro-
pyl alcohol.
4. Remove excess alcohol, and dry using compressed air.
Checking Connections
Check all signal wiring, power and ground connections within
the cabinet to verify their integrity. When checking connec-
tions, always turn a screw, nut or other fastening device in the
direction to tighten only. If the connection is loose, it will be
tightened. If the connection is tight, the tightening action will
verify that it is secure. There must not be any motion done to
loosen the connection.
NOTE: Bailey Controls Company recommends this preventive main-
tenance task be performed during power supply preventive mainte-
nance while the power to the cabinet is off.
1. Verify that all field wiring connections are secure.
2. Check all cable connections.
