YOKOGAWA RC400G, User Manual

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<10. Spare Parts and Consumables>
10-4
IM 12F4A1-01E
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Fuse (A1113EF, A1109EF)
The fuse in the converter should be renewed once a year to prevent unexpected shutdown.
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Rotating contact (K9332SR)
CAUTION
Do not touch the rotating contact except when replacement is performed.
The rotating contact is in mechanism consisting of ring and brush together that obtain signals.
It becomes worn out over long period of continuous use. Lubricant used for the part also needs
to be concerned about its quality degradation after the long period of use. Therefore, standard
replacement interval is one year.
CAUTION
The storage limit for Rotating contact is one year after the purchase, considering degradation of
the lubricant used inside. Store it in normal temperature and keep it away from direct sunlight.
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Driven Shaft Assembly (K9334JV)
The two bearings in the driven shaft assembly are used to rotate the rotary shaft smoothly. The
bearings will be worn gradually and so should be replaced after approximately 3-year operation.
The replacement, in principle, should be conducted by Yokogawa.
Note: It is recommended that the O-ring (P/N Y9115XB) in the electrode holder in the driven shaft assembly should also be replaced at
the same time.
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Drive Belt (L9804UK)
The
drive
belt will be worn or deteriorated gradually. It should be replaced after approximately
3-year operation.
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Motor Assembly (See CMPL for Part Number)
The rotor in the motor assembly will be worn. The motor assembly should be replaced after
approximately 3-year operation.
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Gear Head (See CMPL for Part Number)
The rotor in the gear head will be worn. The gear head should be replaced after approximately
3-year operation.
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Activated Charcoal Filter (L9862AY)
To secure accurate zero value, it is recommended that the filter be replaced once a year.
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Filter (K9332NN)
It is recommended that the filter which used for head tank or sand filter be replaced once a year.
14th Edition : Jul. 15, 2020