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12 Inspection and maintenance
The equipment is subject to pressure!
▶ Risk of severe injury or death.
Depressurize the plant.
●
Completely drain the plant.
●
Hot plant components!
▶ Risk of burns.
Only work on plant that has cooled
●
down.
Servicing and maintenance work must only be performed
●
by trained personnel.
GEMÜ shall assume no liability whatsoever for damage
●
caused by improper handling or third-party actions.
In case of doubt, contact GEMÜ prior to commissioning.
●
The operator must carry out regular visual examination of the
GEMÜ products depending on the operating conditions and
the potential danger in order to prevent leakage and damage.
The product also must be disassembled and checked for
wear in the corresponding intervals.
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 GEMÜ products which are always in the same
position four times a year.
12.1 Spare parts
The product can only be repaired at GEMÜ. The replacement
of spare parts may only be carried out by GEMÜ. If this pro-
cedure is not observed, the purchaser's guarantee rights and
the manufacturer's legal liability cease. This can also lead to
a loss of all rights to claim damages.
Replacement of spare parts
▶ Damage to the GEMÜ product.
Do not dismantle the product but send
●
it completely to GEMÜ.
1. Remove the product completely from the plant using ap-
propriate tools.
2. Send the product with return declaration to GEMÜ.
www.gemu-group.com
WARNING
CAUTION
CAUTION
CAUTION
13 Removal from piping
▶ If defective, the entire product must be replaced.
1. Observe (see "Safety information", page 5) the safety in-
formation.
2. Undo the flange screws.
3. Pull out the check valve between the flanges.
4. Insert and centre the new check valve with new seals.
5. Tighten the flange screws.
14 Disposal
1. Pay attention to adhered residual material and gas diffu-
sion from penetrated media.
2. Dispose of all parts in accordance with the disposal regu-
lations/environmental protection laws.
15 Returns
Legal regulations for the protection of the environment and
personnel require that the completed and signed return deliv-
ery note is included with the dispatch documents. Returned
goods can be processed only when this note is completed. If
no return delivery note is included with the product, GEMÜ
cannot process credits or repair work but will dispose of the
goods at the operator's expense.
1. Clean the product.
2. Request a return delivery note from GEMÜ.
3. Complete the return delivery note.
4. Send the product with a completed return delivery note to
GEMÜ.
19 / 21
NOTICE
15 Returns
GEMÜ R90
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