Models Fpd350.(L6/L7); Removing; Refitting - ABB FPD350 Torbar Instructions Manual

FPD350 Torbar
Averaging pitot tubes

3.3 Models FPD350.(L6/L7)

Warning. Do not position any part of the body in the
Torbar's exit path when removing or refitting the Torbar.

3.3.1 Removing

Referring to Fig. 3.1:
A
1. Reposition chain link
maximum. Take care if the Torbar begins to exit from
C
packing gland .
2. Slacken packing gland
enable the slow, controlled exit of the Torbar.
3. When the Torbar is clear of isolation valve
the valve.
4. Slacken packing gland
E
in pressure chamber
5. Remove the Torbar completely if required.

3.3.2 Refitting

Referring to Fig. 3.1:
1. Insert the Torbar into packing gland
packing gland until it is fully sealed, ensuring the Torbar is
able to slide through it.
B
2. Ensure safety chain
E
chamber
A
3. Attach chain link
safety chain is tight.
4. Carefully open isolation valve
around packing gland
5. Insert the Torbar through isolation valve
touches the opposite internal wall of the process pipe
(
Models L601 and L701
( ).
Model L702
Warning. During step 6, maintain continuous pressure
on the Torbar to ensure that it remains in contact with the
opposite internal wall of the process pipe (
) or in the opposite fitting (
FPD350.(L6/L7).E1
).
FPD350.L7.E2
A
6. Reposition chain link
7. Turn the Torbar until the indentation marks on the head are
positioned downstream of the flow – see Fig. 2.1, page 3.
8. Fully tighten packing gland
not turn. Check for leaks.
9. Ensure that safety chain
10. Check the Torbar is installed correctly and aligned.
26
B
to lengthen safety chain
C
slowly and just sufficiently to
D
, fully close
C
slowly to release the pressure
.
C
and tighten the
is securely attached to pressure
B
to safety chain , ensuring the
D
and check for leaks
C
.
D
until it either
) or enters the opposite fitting
Models
Model
B
to tighten safety chain
C
, ensuring the Torbar does
B
is fully tightened and secure.
to its
F
.
Fig. 3.1 Removing and Refitting Models FPD350.(L6/L7)
3 Torbar Removing and Refitting
A
C
B
E
D
Model L702 Only
F
OI/FPD350–EN Rev. H