Operating manual High-pressure double diaphragm pumps Cobra 40-10; Cobra 40-25
10 Repairs
56
Order number 2340851 | Edition 05/2022
10 REPAIRS
10.1 REPAIR PERSONNEL
Repair work should be undertaken carefully by qualified and trained personnel. They should
be informed of specific hazards during their training.
The following hazards may arise during repair work:
– risk to health from inhaling solvent vapors,
– use of unsuitable tools and aids.
A skilled person must check to ensure that the device is in a reliable state after it is repaired.
A function test should be performed.
10.2 REPAIR NOTES
DANGER
Incorrect maintenance/repair!
Danger to life and equipment damage.
4
Only a WAGNER service center or a suitably trained person may carry out repairs and
replace parts.
4
Use only WAGNER original spare parts and accessories.
4
Only repair and replace parts that are listed in the spare parts chapter and that are
assigned to the device.
4
Before all work on the device and in the event of work interruptions:
4
Relieve the pressure from the spray gun, product hoses and all devices.
4
Secure the spray gun against actuation.
4
Switch off the energy and compressed air supply.
4
Disconnect the control unit from the mains.
4
Observe the operating and service manual for all work.
Before Repair Work
It should be ensured that the unit is in the following state before carrying out any work on it:
1. Flush and clean the system according to Chapter Decommissioning and Cleaning
41].
2. Interrupt the air supply.
After Repair Work
1. Carry out safety checks in accordance with Chapter Safety Checks and Maintenance
2. Put the system into operation in accordance with Chapter Start up [
leaks in accordance with Chapter Function Test after Repair Work [
58].
3. Have the system checked for safe condition by a skilled person.
4. Carry out functional check in accordance with Chapter Function Test after Repair Work
58].
10.3 TOOLS
The following tools are required for assembling and disassembling the device (if possible,
always bring entire tool sets with you):