Mechanical Installation; Assembling Kit Systems; Floating Ball - ABB 9408 750 Instruction Manual

Dissolved oxygen systems
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3 MECHANICAL INSTALLATION

3.1 Assembling Kit Systems

3.1.1 Floating Ball – Fig. 3.1
For installation of the assembled unit see Section 3.2.1 Floating Ball System.
3
4
Water wash systems only:
a) Unscrew the sensor block from the sensor
pipe (the cable may be left threaded through
the pipe). Thread the water wash tube
through the sensor pipe and fit onto the
connector on the sensor block and secure
with a hose clamp.
b) Refit the sensor block.
Secure the end cap to the
pipe with the self tap screw.
4
1
Unscrew the securing ring and withdraw
the ball float.
Note. Leave the securing ring in place on
the elbow union assembly.
Clean mating surfaces thoroughly. Then with the solvent
cement provided, and to the instructions given on the
tube, cement the elbow union assembly to the free end
of the selected boom.
Allow the solvent cement to set for 24 hours before
proceeding to 4 (water wash systems), or 5
(standard systems).
8
10
Re-fit the ball float.
Fig. 3.1 Floating Ball Kit Assembly
Information. Pipe requirement (user supplied):
O.D. 50 mm, w.t. 3.3 mm (or 1
pressure rating 10 bar+, and length to suit.
5
7
If fitted, push the water wash tube onto the
connector in the end cap and secure with a
hose clamp.
9
Tighten the cable gland.
1
/
" N.B. Class E w.t. 4.5mm),
2
2
Unscrew the sensor pipe assembly
and remove from the elbow union
assembly carefully withdrawing the
cable (and plastic water wash feed
tube if applicable).
Thread the cable from the sensor pipe
assembly (and the plastic water wash
feed tube if applicable) through the elbow
union assembly and pipe. Screw the
sensor pipe into the elbow union
assembly using p.t.f.e. to seal the thread.
6
Push the cable through the
cable gland.

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9408 series9408 7609408 7529408 762

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