K-Patents PR-23-GP - Page 169

11 Safe-Drive™
159
6 Open and remove the four M12 nuts on the bolts
holding the sensor to the Isolaon valve using a 19 mm
or 3/4" wrench.
7 1 Turn the hand wheel clockwise unl it stops to
remove the sensor from process.
2 At this stage about 140 mm (5.5") of the thread
should sck out from the middle of the wheel.
Warning! If you detect leaking, revert immediately to
the previous step. Do not connue removal unl the
reason for leakage has been cleared and fixed.
8 1 Li up the isolaon valve handle locking plate.
2 Close the Isolaon valve on by turning the handle 90
degrees (a quarter turn) to the le.
Important: The Isolaon 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 the Isolaon valve
for box cleaning to get rid of any process liquid inside
the isolaon valve.
Warning! Some process liquid will leak out through the
small ball valve; beware of splashing!
9 1 Remove the safety pin.
2 Li the Outer casing locking latch.
3 Turn the Outer casing 60 degrees counterclockwise
(to the le) so that the handle comes up on top.