Operating manual High-pressure double diaphragm pumps Cobra 40-10; Cobra 40-25
7 Operation
Order number 2340851 | Edition 05/2022
39
NOTICE
Hardened working product in the spraying system when 2K product is processed!
Using 2K materials can destroy the pump and spraying system.
4
Observe the manufacturer's processing rules, particularly in regards to the pot life.
4
Flush thoroughly before the end of the pot life.
4
The pot life is decreased by warmth.
7.5 BASIC FLUSHING
Regular flushing
– Regular flushing, cleaning and maintenance ensures the pump's high conveying and
suction capacity.
– The cleaning and flushing agents used must be compatible with the working material.
WARNING
Incompatibility of cleaning/flushing agent and working medium!
Risk of explosion and danger of poisoning by toxic gases.
4
Examine the compatibility of the flushing and cleaning agents and working media
on the basis of the safety data sheets.
6
1
9
2
7
4
5
B_04240
3
Before each basic flushing, the nozzle must be removed from the spray gun. Here, the
specifications in the spray gun operating manual must be followed. With AirSpray systems,
carry out the basic flushing of the system without atomizing air.
Preparation
1. Visual check: personal safety equipment, grounding and all devices ready to use.
2. Relieve the pump's pressure according to Chapter Pressure Relief / Work Interruption
38].
3. Place an empty, grounded collection tank (5) under the return tube (4).
