www.rm-suttner.com
page 2, Ver. 10.2020
Qualified personnel
General safety notes
Intended use
Info
User manual easy
ST-167 / ST-168 bypass-injectors
Product code.: 200 167 ... / 200 168 ...
Connection lines used and the ST-167/168 injector unit itself must be flushed clear for 20 seconds prior to any change of
detergent. In the case of very powerful detergents please contact the manufacturer who can then assess wither operation with
this unit is possible. Any form of operation of the ST-167/168 injector unit over and above is deemed impermissible.
The bypass injector may only be installed by qualified personnel able to operate the bypass injector properly. Qualified
personnel are persons familiar with installation, commissioning and decommissioning, operation, maintenance and repair
and who hold a qualification appropriate to their work.
▪ To guarantee safe operation the bypass injector
may only be used in accordance with these
Operating Instructions.
▪ Keep these Operating Instructions in a safe place
for later reference.
▪ Please also observe the safety instructions for the
detergent and if applicable of the high pressure
cleaner manufacturer.
▪ Do not mix detergents one with the other.
▪ Wear suitable protective clothing and gloves when
working.
▪ Never direct the high-pressure jet at persons or
other living creatures.
▪ Read the safety data sheets and observe the
corresponding safety and handling regulations.
▪ The bypass injector ST-167/168 is designed for admixture
of detergents to water and for straightforward rinsing with
water.
▪ Only Pressure Equipment Directive (PED) Group 2 liquids
may be used as media. In case of doubt contact the
equipment manufacturer.
▪ The unit may only be used with a suitable pressure
generator.
▪ The unit is not designed for use with persons (children
included) with restricted sensory and mental capabilities
due to lack of experience and/or lack of knowledge unless
they are supervised by a person responsible for their
safety or if they have received instruction from that person
in use of the equipment.
▪ In general children are forbidden to use this equipment.
In addition the required safety and legal regulations for the respective type of use must be observed. This also applies to
all accessories used.
ST-167
ST-168
Injector does not suck in foaming agent or deter
-
gent from the container or no foam is generated:
▪ Dosage nozzle blocked - clear nozzle with
thin wire as necessary. If strongly scaled
select new dosage nozzle.
▪ Selector lever in wrong position
▪ No dosage nozzle in foaming agent intake
hose
▪ Intake hose damaged
▪ Intake hose not immersed in foaming agent
▪ Wrong lance: ST-167 needs a foam lance
with air injector
Injector does not suck in foaming agent or detergent from the container or no foam
is generated:
▪ Dosage nozzle blocked - clear nozzle with thin wire as necessary. If strongly
scaled select new dosage nozzle.
▪ Selector lever in wrong position
▪ No dosage nozzle in foaming agent intake hose
▪ Intake hose damaged
▪ Intake hose not immersed in foaming agent
▪ Wrong spraygun: ST-168 needs a foam gun with large cross-sections.
▪ Air connection not correct or not connected in the first place
▪ Compressed air line shut-off valve closed
▪ Recommended is connection of a pressure reducer in the compressed air line
(2 – 6 bar)
Troubleshooting
