Safe-Drive
®
Process Refractometer PR-23-SD Best Practices, Generation 2
© Copyright K-Patents 2014. All rights reserved.
23
WARNING:
Before you
start removing the wash
nozzle, make sure that the
steam supply is shut off
and the steam system is
depressurized.
1. Close the steam line (
1
).
2.
Detach the flexible steam
line from the nozzle (
2
).
NOTE:
Do not remove the
check valve!
3. Open nozzle locking
screw (
3
) with 4mm
allen key.
4. Remove the isolation
valve locking pin (
4
).
5. Pull the nozzle (
5
) out
until the nozzle guide
stops it.
6. Close the nozzle isolation
valve (
6
).
7. Open the check port 1/4”
ball valve (
7
).
NOTE:
Only little process
liquid should flow from the
nozzle. If process liquid
keeps on flowing, the nozzle
isolation valve is damaged
and it is not safe to remove
the nozzle. Do not proceed
with nozzle removal.
8. Lock the isolation valve
handle (
1
).
9. Open the nozzle
attachment screw (
2
)
using a 5 mm allen
key and pull the nozzle
(
3
) out.
WARNING:
The nozzle tip is
hot and may be covered with
liquor. It is recommended
to rinse the nozzle tip and
the isolation valve with hot
water.
CLOSE
WARNING
Make absolutely certain that
the steam supply is shut off
before starting nozzle
removal procedure
1
3
2
6
4
7
5
!
OPEN
CLOSE
1
2
3
