29
8.2.3 SAFETY CHECKS AND MAINTENANCE INTERVALS
Every day
Check grounding: see Chapter
.
Check hoses, tubes and couplings: see Chapter
Flush and clean the spray gun in accordance with Chapter
.
Weekly
Check spray guns for damage.
Check that the safety fixtures function properly (see Chapter
Yearly or as required
In accordance with DGUV regulation 100-500 Chapter 2.29 and 2.36:
– The liquid ejection devices should be checked by an expert (e.g., WAGNER
service technician) for their safe working conditions as required and at least
every 12 months.
– For shut down devices, the examination can be suspended until the next start-
up.
8.2.3.1 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.
Check hoses, pipes, and couplings every day and replace if necessary.
Before every commissioning, check all connections for leaks.
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.
The complete hose is to be replaced as soon as one of the two following intervals
has been exceeded:
– 6 years from the date of the hose crimping (see fitting embossing).
– 10 years from the date of the hose imprinting.
Fitting embossing
Meaning
xxx bar
Pressure
yymm
Crimping date (year/month)
XX
Internal code
Hose imprinting
Meaning
Wagner
Name / Manufacturer
yymm
Date of manufacture (year/month)
xxx bar (xx MPa)
Pressure
e.g., 270 bar (27 MPa)
XX
Internal code
DNxx (e.g., DN10)
Nominal diameter
VERSION 06/2018
ORDER NUMBER DOC2311730
Summary of Contents for GM 4700AC
Page 1: ...AirCoat Manual Gun for Flat and Round Jet Nozzles Version 06 2018 B_02376...
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