Tools Required For Inspections - Omron CJ2 CPU UNIT User Manual

Cj2 cpu unit hardware
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No.
Item
4
Installation and
Check that each Unit is con-
wiring
nected and locked to the
next Unit securely.
Check that cable connectors
are fully inserted and locked.
Check for loose screws in
external wiring.
Check crimp connectors in
external wiring.
Check for damaged external
wiring cables.
5
User-serviceable
Check whether the battery
parts
has reached its service life.
CJ1W-BAT01

Tools Required for Inspections

Required Tools
• Slotted and Phillips-head screwdrivers
• Voltage tester or digital voltmeter
• Industrial alcohol and clean cotton cloth
Tools Required Occasionally
• Oscilloscope
• Thermometer and hygrometer (humidity meter)
CJ2 CPU Unit Hardware User's Manual
Inspection
No looseness
No looseness
No looseness
Adequate spacing between
connectors
No damage
Service life expectancy is 5
years at 25°C, less at higher
temperatures.
(From 0.75 to 5 years
depending on model, power
supply rate, and ambient
temperature.)
7 Inspection and Maintenance
Criteria
Press the connectors together
completely and lock them with the
sliders.
Correct any improperly installed
connectors.
Tighten loose screws with a Phil-
lips-head screwdriver.
Check visually and adjust if neces-
sary.
Check visually and replace cables
if necessary.
Replace the battery when its ser-
vice life has passed even if a bat-
tery error has not occurred.
(Battery life depends upon the
model, the percentage of time in
service, and ambient conditions.)
Action
7
7-3

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