Operating manual High-pressure double diaphragm pumps Cobra 40-10; Cobra 40-25
8 Cleaning and Maintenance
44
Order number 2340851 | Edition 05/2022
Hose imprinting
Meaning
WAGNER
Name / manufacturer
yymm
Date of manufacture (year/month)
xxx bar (xx MPa) e.g. 270 bar (27MPa)
Pressure
XX
Internal code
DNxx (e.g., DN10)
Nominal diameter
8.2.6 Emptying Pump
WARNING
Gas mixtures can explode if there is an incompletely filled pump!
Danger to life from flying parts.
Ignition of potentially explosive surrounding atmosphere.
4
Empty and fill the device slowly and in a controlled manner.
4
Avoid potentially explosive atmosphere in the surroundings.
Info
If the pumping product becomes heated, switch off all heaters and let the product cool
off.
6
1
9
2
7
4
5
B_04240
3
1. Visual check: personal safety equipment, grounding and all devices ready to use.
2. Place an empty, grounded collection tank (5) under the return tube (4).
3. Place the suction hose (7) in an empty, grounded tank (6).
4. Close pressure regulator (1) (0 MPa; 0 bar; 0 psi).
Emptying via return line
1. Open the relief valve (3).