Operating manual High-pressure double diaphragm pumps Cobra 40-10; Cobra 40-25
8 Cleaning and Maintenance
42
Order number 2340851 | Edition 05/2022
8.2 MAINTENANCE
8.2.1 Maintenance Personnel
Maintenance work should be undertaken regularly and carefully by qualified and trained
personnel. They should be informed of specific hazards during their training.
The following hazards may arise during maintenance work:
– risk to health from inhaling solvent vapors,
– use of unsuitable tools and aids.
A skilled person must ensure that the device is checked for being in a reliable state after
maintenance work is completed.
8.2.2 Maintenance Instructions
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.
Prior to maintenance
It should be ensured that the unit is in the following state before carrying out any work on it:
– Flush and clean the system according to Chapter Decommissioning and Cleaning
– Interrupt the air supply.
After maintenance
– Carry out safety checks in accordance with Chapter Safety Checks and Maintenance
42].
– Put the system into operation and check for leaks as described in Chapter Start up
– Have the system checked for safe condition by a skilled person.
– Carry out functional check in accordance with Chapter Function Test after Repair Work
8.2.3 Safety Checks and Maintenance Intervals
Every day
