Operating manual High-pressure double diaphragm pumps Cobra 40-10; Cobra 40-25
8 Cleaning and Maintenance
Order number 2340851 | Edition 05/2022
43
2. Check hoses, tubes and couplings: see Chapter Product Hoses, Pipes and Couplings
3. For each decommissioning, the process according to Chapter Decommissioning and
4. If the pump has to be emptied for maintenance work, proceed according to Chapter
39] and Chapter Emptying Pump [
Weekly
1. Check system for damage.
2. Check that the safety fixtures function properly (see Chapter Protective and Monitoring
Monthly
4
Check the oil level (see chapter Checking the Oil Level [
Yearly or as required
1. Perform oil change after 500 operating hours or once a year, in accordance with
chapter Oil Change [
2. In accordance with DGUV regulation 100-500, Chapters 2.29 and 2.36:
4
Have the liquid ejection devices checked by an expert (e.g., WAGNER service
technician) as required, but no later than every 12 months to ensure that they are in
safe working order.
4
For shut down devices, the examination can be suspended until the next start-up.
8.2.4 Condensate Drain from the AirCoat Filter Regulator
1. Frequently drain the condensate that may accumulate in the pneumatic filter.
4
Make sure the water level in the filter cup never reaches the max. level marked on
the cup.
8.2.5 Product Hoses, Pipes and Couplings
The service life of the complete hoses between product pressure generator and application
device is reduced due to environmental influences even when handled correctly.
1. Check hoses, pipes, and couplings every day and replace if necessary.
2. Before every commissioning, check all connections for leaks.
3. Additionally, the operator must regularly check the complete hoses for wear and tear as
well as for damage at intervals that he/she has set. Records of these checks must be
kept.
4. Replace the complete hose if one of the following two periods is exceeded:
4
6 years from the date of the hose crimping (see fitting embossing).
4
10 years from the date of the hose imprinting.
Fitting embossing
(if present)
Meaning
xxx bar
Pressure
yymm
Crimping date (year/month)
XX
Internal code