8. Daily Inspection and Periodical Inspection
Inspection
point
Item
Contents
Cycle
Method
Criteria
Standard
replacement
Instruments
daily
periodic
period
Overall
Ambient
Environment
Check ambient temperature,
humidity, dust, corrosive gas, oil mist,
etc.
"
Ambient temperature
: -10deg to 40deg,
no icing
Thermometer
Devices overall
Check for abnormal vibrations and
noise.
"
Visual and aural
inspection
Hygrometer
Power supply
voltage
Check voltage between input lines.
"
Measure the
voltage
between input
terminals
No abnormalities.
Within its specification
Tester
Main
circuit
Overall
Check installation for looseness.
"
Tighten
Tightening torque
(except for terminal block)
M3: 0.5 - 0.6 N-m
M4: 0.98 - 1.3 N-m
Check for evidence of over heating in
the various components
"
Visual
inspection
Clean
"
Terminal block
No damage
"
Visual
inspection
No abnormalities
DC bus
capacitor
Check for leaking liquid
"
Visual
No abnormalities
Check for swelling
inspection
Relay
Check for stuttering noise when
operation
"
Aural
inspection
No abnormalities
Resistors
Check for cracks or changes in color
"
Visual
inspection
No abnormalities
Tester
Cooling fan
Check for abnormal vibration and
noise
"
-Rotate
manually while
power off
-Increase
tightening
- Smooth rotation
- No abnormalities
2 - 3 years
Check for dust
"
Visual
inspection
8-
1
Summary of Contents for SJ100 Series
Page 3: ...Revisions Revision history table No Revision contents Date of issue Manual No ⅰⅰ ...
Page 40: ......
Page 56: ......
Page 57: ......
Page 58: ......
Page 59: ......
Page 60: ......
Page 61: ......
Page 62: ......
Page 63: ......
Page 64: ......
Page 65: ......
Page 66: ......
Page 67: ......
Page 68: ......
Page 69: ......
Page 70: ......
Page 71: ......
Page 72: ......
Page 73: ......
Page 74: ......
Page 75: ...End of page ...