Inspection And Maintenance; Spare Parts; Removal From Piping; Disposal - Gemü R91 Betriebsanleitung

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.
●
Pretensioned spring!
▶ Damage to the device.
Slowly release the tension in the spring.
●
The operator must carry out regular visual examination of the
GEMÜ products dependent 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 the plant or plant component against recommis-
sioning.
5. Depressurize the plant or plant component.
6. Actuate GEMÜ products which are always in the same po-
sition 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.
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WARNING
CAUTION
CAUTION
CAUTION
Replacement of spare parts
▶ Damage to the GEMÜ product.
●
1. Remove the product completely from the plant using ap-
propriate tools.
2. Send the product with return declaration to GEMÜ (see
"Returns", page 34).

13 Removal from piping

▶ If defective, the entire product must be replaced.
1. Observe (see "Safety information", page 22) the safety in-
formation.
2. Undo the nuts 6 of all flange bolts 1.
3. Fully remove all of the nuts 6 and washers 2 from the
flange bolts 1.
4. Pull the flange bolts 1 out of the flange holes.
ð For a horizontal flow, the bottom flange bolts 1 can remain
inserted in order to facilitate disassembly.
5. Secure the check valve 5 against falling down.
6. Pull the flange bolts 1 out of the flange holes.
7. Remove the check valve 5 out of the flange 3 (for large
valves, use a lifting gear and a suitable lifting tackle).
8. Remove the remaining flange bolts 1 out of the flange
holes.
9. Place the check valve down 5 on a suitable underlay.
10. Insert and centre the new check valve 5 with new seals 4.
11. Tighten the flange bolts 1.

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.
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CAUTION
Do not dismantle the product but send
it completely to GEMÜ.
NOTICE
14 Disposal
GEMÜ R91