Norgren HERION 1-NPT, Manual, Page: 17 / 20

7 Test
Check before initial operation:
1. Apply operating pressure in accordance with the type plate -> The cylinder piston
assumes its initial position.
2. Carry out a functional test according to following table.
Non-load functional testing
Nr. Test Result
1 Actuate solenoid Y1 Piston must not move
2 Actuate solenoid Y2 Piston must not move
3 Actuate solenoid Y1 and after t > 0,5 s
solenoid Y2
Piston must not move
4 Actuate solenoid Y2 and after t > 0,5 s
solenoid Y1
Piston must not move
5 Actuate both solenoids simultaneously
within t < 0,1 s. Deactuate solenoid Y1
and after t > 0,5 s actuate it again.
Piston moves at first.
After deactuation of solenoid Y1 piston
returns to initial position and remains there
6 Actuate both solenoids simultaneously
within t < 0,1 s. Deactuate solenoid Y2
and after t > 0,5 s actuate it again
Piston moves at first.
After deactuation of solenoid Y2 piston
returns to initial position and remains there
8 Servicing
! WARNING
Danger of injury caused by improper
maintenance!
Improper maintenance can result in
serious injury and extensive damage to
property.
´
It is generally recommended main-
tenance and repair work must be carri-
ed out by the manufacturer.
´
Carry out the tests listed below at the
specified maintenance intervals.
´
If any components fail the test, repair
work must be carried out by the manu-
facturer.
Interval
After 1 million switching operations, at
least once per year:
Activity Description
Silencer
Check the fas-
tening screws
for tightness
Tightening torque of
the four mounting
screws is:
SCVA10 mit 4+1 Nm
SCVA20 mit 10+2 Nm
SCVA32 mit 10+2 Nm
7503618000000006
017
Incorporating
SCVA
02/22
Our policy is one of continued research and development. We therefore reserve the right to amend,
without notice, the specifi cations given in this document. © 2014 Norgren Ltd