Table of Contents
Advertisement
16 Inspection and maintenance
16 Inspection and maintenance
The equipment is subject to pressure!
▶ Risk of severe injury or death.
Depressurize the plant.
●
Completely drain the plant.
●
Use of incorrect spare parts!
▶ Damage to the GEMÜ product.
▶ Manufacturer liability and guarantee will be void.
Use only genuine parts from GEMÜ.
●
Hot plant components!
▶ Risk of burns.
Only work on plant that has cooled
●
down.
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.
16.1 Cleaning the product
–
Clean the product with a damp cloth.
–
Do not clean the product with a high pressure cleaning
device.
16.2 ATEX version
● Test the resistance between the earthing cable and actu-
ator shaft at least once a year.
(Value <106 Ω, typical value <5 Ω)
GEMÜ R481
WARNING
CAUTION
CAUTION
NOTICE
16.3 Removing the butterfly valve from the piping
The equipment is subject to pressure!
▶ Risk of severe injury or death.
Depressurize the plant.
●
Completely drain the plant.
●
Corrosive chemicals!
▶ Risk of caustic burns.
●
●
Hot plant components!
▶ Risk of burns.
●
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.
32 / 41
WARNING
WARNING
Wear suitable protective gear.
Completely drain the plant.
CAUTION
Only work on plant that has cooled
down.
www.gemu-group.com
Advertisement
Table of Contents
