Teral SJ4S, Instruction Manual

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3-5
５.５ Periodic inspection table
Inspection
interval
Consumable items
Ite
m
Part for inspect-
ion/adjustment
What to inspect Method Criterion
Daily 1 month 6 months 1 year
Item
Quantity When to replace
Temperature Measure
0 - 40℃
○
Humidity Measure
Max．relative humidity 85%
○
Am
bien
t
co
ndi
ti
ons
Dust，etc．
Condition
within spec．
ranges
Observe
visually
Should be no dust
○
Voltage
Measure
Should be rated voltage
○
Voltage
variation
Measure
Should be within allowa-
ble variation range
○
Pow
er
Power supply
board
terminal
Loose screws
Tighten Should be no looseness
○
Clogging Should be no clogging
○
Impellers
Wear
Disassemble
and inspect
Should be normal
○
Shaft
& surroundings
Smooth rotation Rotate by hand Should rotate easily
○
Bearings Overheating
Feel by hand
Heat should be normal
○
Bearings
2
Every 3 years
Mechanical seal
Drip
Visually No leakage
○
Mechanical
seal
1
1 year
Appearance
Abnormal noise & vibration
Listen Should be none
○
Pum
p &
m
ot
or
Insulation
resistance Between ground and
each lead wire
Megger Should be at least 1 MΩ
○
Replacement or repair of parts should be performed by personnel from a
specialist company or by a service agent approved by the manufacturer．
Incorrect replacement or repair can cause beakdown or malfunction.
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