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< 10. Spare Parts and Consumables >
10-3
IM 12F5A1-01E
10.2.6 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.
10.2.7 Driven Shaft Assembly (K9334JV)
The two bearings on the driven shaft assembly are to ensure that it rotates smoothly.
The bearings will be worn gradually and so should be replaced after approximately three years
operation.
Replacement should in principle be performed by Yokogawa.
(Note) It is recommended that the O-ring (Part no. Y9115XB) in the electrode holder in the driven shaft assembly should also be
replaced at the same time.
10.2.8 Drive Belt (L9804UK)
This perishes and wears, and needs to be replaced after about three years operation.
10.2.9 Motor Assembly (See CMPL)
The rotating parts wear, and this needs to be replaced after about three years operation.
10.2.10 Gear Head (See CMPL )
The rotating parts wear, and this needs to be replaced after about three years operation.
10.2.11 Activated Charcoal Filter Element (L9862AY)
Used when auto zero calibration option is installed. It is recommended that the filter be replaced
once a year.