7. Maintenance and cleaning
7.4 Repair of instrumentation valve
Adjustment of the sealing packing
This adjustment is required when a leak can be detected at the valve spindle, directly
below the handle, or when during operation there is no torque or resistance when turning
the handle.
EN
1. Loosen the counter nut
2. Increase the packing compression through the gland nut applying a torque of
≥ 13 ... ≤ 18 Nm [18 ... 25 lbs ft]
3. Fix the gland nut with the counter nut
If after the adjustment of the sealing packing the leakage problem persists, the packing
must be returned for repair.
Perfect functioning of the product can only be guaranteed when original
accessories and spare parts are used.
7.5 Cleaning
CAUTION!
Physical injuries and damage to property and the environment
Improper cleaning may lead to physical injuries and damage to property and
the environment. Residual media in the dismounted product can result in a
risk to persons, the environment and equipment.
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1. Prior to cleaning, properly disconnect the product from the process.
2. Clean the product carefully with a moist cloth.
CAUTION!
Damage to property
Improper cleaning may lead to damage to the product!
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14
Rinse or clean the dismounted product.
Take sufficient precautionary measures.
Do not use any aggressive cleaning agents.
Do not use any hard or pointed objects for cleaning.
WIKA additional operating instructions for EMICOgauge