PR-23-SD
SDI2-23-SN2-XS
SDI2-23-WP2-XS
SDI2-23-PL-SS
SDR2-23
SAFE-DRIVE™
POCKET GUIDE
Generation 2.1
IM-EN-SDI21-PG
Rev. 1.02
INSTALLATION EQUIPMENT
1. Retractor inner casing
2. Retractor outer casing
3. Combination wrenches 32 mm, 14 mm, 8 mm
4. Allen keys 8 mm, 5 mm
5. Torque wrench
5a. open end fitting 19 mm
5b. hex bit socket 8 mm
6. Screwdriver
6a. Phillips head
6b. Flat head
7. Pliers
8. Thread seal tape
9. Pocket guide for insertion and retraction
10. Laminated instruction cards
11. Best Practices document
SAFETY REQUIREMENTS
RECOMMENDED
WORK ZONE
RECOMMENDED
WORK ZONE
AVOID STAYING IN THIS AREA
DURING REFRACTOMETER
INSERTION/REMOVAL
CLEAR WORK ZONE
STAY CLEAR OF THIS ZONE
DURING REFRACTOMETER
INSERTION/REMOVAL
AVOID STAYING IN THIS AREA
DURING REFRACTOMETER
INSERTION/REMOVAL
CONTENTS
Sensor insertion
Sensor removal
Wash nozzle insertion
Wash nozzle removal
Nozzle removal
Nozzle insertion
Sensor removal
Sensor insertion
SENSOR INSERTION
Sensor insertion
1. Insert the sensor into Inner casing. Make sure that
the sensor cable gland has been taken off. Match the
bayonet closing with sensor flange so that the latch
is slightly to the left of the top and the sensor cable
passage is straight down.
2. When sensor flange is flush with the bottom of
Inner casing, rotate Inner casing 60 degrees
clockwise to lock it to the flange.
3. Push down locking latch to secure the connection.
Sensor insertion
1. Fit Outer casing over Inner casing. To match the
casings, check that the rail on the Inner casing
matches the groove on Outer casing. The latch of
Inner casing should be slightly to the right from the
top and the handle of Outer casing should point up.
2. Turn the hand-wheel clockwise until it stops to
draw the Inner casing with sensor into Outer casing.
Sensor insertion
1. The sensor should now be inside Retractor and
about 140 mm (5.5”) of the screw thread should stick
out of the middle of the wheel.
2. Unlock the latch on Outer casing.
3. Take a firm hold of the hand-wheel and handle and
lift Retractor (with sensor) over the isolation valve
flange. Keep handle up.
Sensor insertion
1. Rotate Outer casing 60° clockwise to lock the
bayonet.
2. Lock Outer casing latch.
Sensor insertion
1. Insert the safety pin.
2. Lock the safety pin with safety clip.
DO NOT PROCEED UNTIL YOU
HAVE COMPLETED THIS STEP!
Sensor insertion
1. Close the blow-out ball valve under Isolation valve.
2. Lift up the Isolation valve handle locking plate.
3. Open Isolation valve by turning the valve handle
90°. The valve is open when the ball valve handle is
parallel to Retractor and sensor.
Sensor insertion
Now the sensor can be inserted into the process.
1. Turn the hand-wheel counterclockwise until it
stops, i.e. until the sensor flange connects with
Isolation valve and only the end of the screw thread
is visible.
Warning! If you detect leaking, revert immediately to
the previous step. Do not continue the installation
until the reason for leakage has been cleared and
fixed.
Sensor insertion
Fit the four M12 nuts to the bolts holding the
sensor to Isolation valve and screw them on with
a 19 mm or ¾” wrench.
Important: Do not tighten the nuts too hard, set
the torque at 50 Nm (37 ft/lbs).
DO NOT PROCEED UNTIL YOU
HAVE COMPLETED THIS STEP!
Sensor insertion
1. Remove the safety clip.
2. Remove the safety pin.
Sensor insertion
1. Turn the wheel 90° clockwise.
2. Open the locking latch on Outer casing.
3. Rotate Outer casing handle 60°
counterclockwise.
Sensor insertion
1. Turn the hand-wheel counterclockwise to drop
the thread.
2. Lift off Outer casing.
Sensor insertion
1. Lift up the latch of Inner casing to unlock it.
2. Rotate the casing 60° counterclockwise to release
it from the flange.
3. Lift Inner casing away from the sensor head.
Sensor insertion
Ensure the DTR is switched off. Connect the sensor
cable to the DTR.
1. Push the interconnecting cable through the cable
gland and into the sensor.
2. Connect the interconnecting cable to the sensor.
3. Tighten the cable gland onto the sensor.
4. Fit the nameplate onto the sensor and screw it on.
Turn on DTR power to power up the SAFE-DRIVE
system. Open wash valve.
Sensor insertion
14
To mount the thermal cover, pass Safe-Drive shut-off
valve handle through the hole provided in the thermal
cover, making sure the label is facing towards you.
Sensor insertion
15
Wrap cover under and around the Safe-Drive valve
body aligning the cutouts with the drain valve.
Sensor insertion
16
Close the thermal cover by using the velcro strips,
first the single join on the left.
Sensor insertion
17
And finally the two velcro joins on the right.
Sensor insertion
SENSOR REMOVAL
Sensor removal
Before sensor removal process, remove the thermal
2
cover.
First open the two velcro fasteners on the right.
Then open the single fastener on the left.
1
1
Unwrap the cover underneath the sensor and then
remove the cover.
Switch off the DTR to cut off power from the sensor.
Close wash valve.
1. Unscrew and remove sensor nameplate.
2. Loosen the cable gland.
3. Unscrew the wires.
4. Remove the sensor cable and cable gland.
Note: If another in-line sensor is connected to the
same DTR, disconnect the loose cable from the DTR
and turn on power again.
Sensor removal
1. Lift up the latch of Inner casing to unlock it. Lift
Inner casing over the sensor head. The latch of Inner
casing should be slightly to the left.
Sensor removal
1. Rotate Inner casing 60° clockwise to lock it onto
the flange.
2. Lock Inner casing latch.
Sensor removal
1. Open the locking latch on Outer casing. Grab
Outer casing with one hand on the handle and the
other hand on the wheel. Fit Outer casing over Inner
casing.
2. Turn the hand-wheel clockwise to get the thread of
Inner casing running through the hand-wheel.
Sensor removal
1. Rotate Outer casing 60° clockwise to lock the
bayonet.
2. Lock Outer casing latch.
Sensor removal
1. Insert the safety pin.
2. Lock the safety pin with the safety clip.
DO NOT PROCEED UNTIL YOU
HAVE COMPLETED THIS STEP!
Sensor removal
Open and remove the four M12 nuts on the bolts
holding the sensor to Isolation valve using a 19 mm
or ¾” wrench.
Sensor removal
1. To remove the sensor from the process, turn the
hand-wheel clockwise until it stops. At this stage
about 140 mm (5.5”) of the thread should stick out
from the middle of the wheel.
Warning! If you detect leaking, revert immediately to
the previous step. Do not continue removal until the
reason for leakage has been cleared and fixed.
Sensor removal
1. Lift up Isolation valve handle locking plate.
2. Close Isolation valve by turning the handle 90°.
Important: Isolation valve is properly closed when the
handle points away from the sensor and the locking
plate drops down over the handle.
3. Open the blow-out valve under Isolation valve for
box cleaning to get rid of any process liquid inside
Isolation valve.
Warning! Some process liquid will leak out through
the small ball valve, beware of splashing!
DO NOT PROCEED UNTIL YOU
HAVE COMPLETED THIS STEP!
Sensor removal
1. Remove the safety clip.
2. Pull out the safety pin.
Sensor removal
1. Lift open Outer casing locking latch.
2. Rotate Outer casing 60° counterclockwise so that
the handle comes up on top.
Sensor removal
Take a firm hold on the hand-wheel and the
handle and pull out Retractor with sensor inside.
Warning! A firm hold of the tool is essential as the
combination of the tool and the sensor is
noticeably heavier than Retractor alone.
Note: To ensure Isolation valve after the SAFEDRIVE tool with the sensor has been removed,
you can bolt a standard ANSI 1.5” 105 lbs blind
flange to Isolation valve with ½” (M12) bolts and
nuts.
A lock can be added to Isolation valve handle.
Warning! The sensor tip is hot and may be
covered with liquor. It is recommended to rinse
the sensor tip and Isolation valve with hot water.
Sensor removal
Put Retractor with sensor onto a table or similar
surface so that the hand-wheel has space to turn.
1.Turn the hand-wheel counterclockwise to drop
the thread, i.e. until Outer casing is no longer
connected to the parts inside.
2. Pull off Outer casing.
Sensor removal
1. Open the latch on Inner casing.
2. Keep sensor steady with one hand and rotate
Inner casing counterclockwise with the other
hand to unlock Inner casing from sensor.
3. Pull off the sensor.
Sensor removal
WASH NOZZLE INSERTION
Nozzle insertion
Nozzle insertion
Check nozzle and valve before installing the
wash nozzle. Use thread seal tape for all thread
connections.
1. Insert the nozzle into the isolation valve (1).
2. Attach the nozzle to the nozzle guide with one
special M5x10 screw (2) using a 5mm allen key.
3. Remove the safety pin (3).
Nozzle insertion
1. Close the 1/4” check port valve under the
nozzle isolation valve (1).
2. Open the isolation valve (2) by turning the
handle counterclockwise.
3. Push the nozzle to the process (3).
4. Attach the nozzle to the nozzle guide with one
special M5x10 screw (4) using a 5mm allen key.
5. Lock the isolation valve handle with the safety
pin (5).
Nozzle insertion
1.1 STEAM: Connect the steam line and sensor
flush flexible line to the nozzle T-piece (1, 2).
1.2 WATER: Connect the water line to 1/4" valve
(1,2).
2. Open nozzle valve (3).
WASH NOZZLE REMOVAL
Nozzle removal
Nozzle removal
WARNING! Make absolutely certain that
the steam or water supply is shut off before
starting nozzle removal procedure.
1. Close the nozzle valve (1).
2.1 STEAM Remove the steam supply line
(2) and the sensor flush flexible line (2)
from the nozzle T-piece.
2.2 WATER Remove the water supply line
(2) from the nozzle.
3. Remove the special M5x10 nozzle guide
locking screw (3) using a 5mm allen key.
Be careful, process pressure will try to
push the nozzle out from the process!
Nozzle removal
4. Remove the safety pin (4).
5. Slide the nozzle out from the process (5) until
the guide plate stops it.
6. Close the nozzle isolation valve (6) by turning
the handle clockwise.
7. Open the 1/4" check port valve under the
nozzle isolation valve (7).
Nozzle removal
1. Lock the isolation valve handle with the safety
pin (1).
2. Remove the special M5x10 guide plate screw
(2) using a 5mm allen key.
3. Remove the nozzle from the isolation valve
completely (3).
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