Operation & Maintenance Manual
OMM1002
8
Maintenance
Glass Tube Cleaning or O
-
ring/Glass Tube Replacement (See Fig. 7)
1.
Unscrew 4x screws and remove the bezel.
2.
By pulling towards you, remove the plastic wedge, located at the bottom of the housing.
3.
Slide the tube downwards, towards the gap created by the removal of the plastic wedge, until the bottom Insert is fully engaged in its
end connector.
4.
Ensure that the top insert & end connector remain engaged together. Noting the tube & float orientation, carefully tilt the top of the
tube towards you, until it is clear of the Insert, then pull upwards.
5.
If the O
-
rings DO NOT require replacing, then proceed to instruction 11.
6.
Remove both Inserts from their end connectors by pulling, noting which Insert came from which end connector. To aid with their
removal the plastic wedge can now be used as a sliding wedge.
7.
Remove 2x old O
-
rings from each insert.
8.
Care should be taken that the new O
-
rings (C1 & C2) are not damaged when assembling them to the inserts.
9.
Moistening the O
-
rings with a suitable lubricant is advisable, such that when re
-
assembling to the end connectors or tube the O
-
rings
are not damaged.
10.
As previously noted, push the inserts back into the appropriate end connector, fully.
11.
To replace the tube (A), reverse steps 1
-
4, using steps 12 & 13, for guidance.
12.
To aid engagement and reduce possibility of O
-
ring damage, rotate the tube back & forth, whilst pushing the tube & insert together.
13.
Once the tube (A) is located on the bottom Insert, use the plastic wedge on the bottom Insert as a sliding wedge to force the top
Insert & tube together.
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