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GEMÜ R477 Tugela
14 Inspection and maintenance
WARNING
The equipment is subject to pressure!
▶
Risk of severe injury or death.
●
Depressurize the plant.
●
Completely drain the plant.
CAUTION
Use of incorrect spare parts!
▶
Damage to the GEMÜ product.
▶
Manufacturer liability and guarantee will be void.
●
Use only genuine parts from GEMÜ.
CAUTION
Hot plant components!
▶
Risk of burns.
●
Only work on plant that has cooled
down.
NOTICE
Exceptional maintenance work!
▶
Damage to the GEMÜ product.
●
Any maintenance work and repairs not described in these
operating instructions must not be performed without
consulting the manufacturer first.
The operator must carry out regular visual examination of the
products depending on the operating conditions and the po-
tential danger in order to prevent leakage and damage.
1. Have servicing and maintenance work performed by
trained personnel.
2. Wear appropriate protective gear as specified in plant op-
erator's guidelines.
3. Shut off plant or plant component.
4. Secure plant or plant component against recommission-
ing.
5. Depressurize the plant or plant component.
6. Actuate products which are always in the same position
four times a year.
14.1 Cleaning the product
•
Clean the product with a damp cloth.
•
Do
not
clean the product with a high pressure cleaning
device.
14.2 ATEX version
1. Perform inspection and maintenance , see chapter "Install-
ation of standard version".
2. Test the resistance between the earthing cable and actu-
ator shaft at least once a year. (Value <106 Ω, typical value
<5 Ω)
14.3 Removing the butterfly valve from the piping
WARNING
The equipment is subject to pressure!
▶
Risk of severe injury or death.
●
Depressurize the plant.
●
Completely drain the plant.
WARNING
Corrosive chemicals!
▶
Risk of caustic burns.
●
Wear suitable protective gear.
●
Completely drain the plant.
CAUTION
Hot plant components!
▶
Risk of burns.
●
Only work on plant that has cooled
down.
1. Maintenance work must only be performed by trained per-
sonnel.
2. Use appropriate protective gear as specified in plant oper-
ator's guidelines.
3. Move the butterfly valve to a slightly open position. The
disc must not project from the body.
4. Loosen and remove flange bolts and nuts.
5. Spread the piping flanges.
6. Remove the butterfly valve.
14 Inspection and maintenance
