After maintenance or service do – - 2, Lsu bottom & side views - 2 – Franklin Fueling Systems TS-LLD Installation Manual User Manual
Page 68
Leak Sensing Unit (LSU) Adapters & Replacement Parts
Items
Frequency = A/R
Replacement Part Numbers
a) M I Cable Adapter 2 inch NPT ......................................... P/N = TS-RJ
b) M I Cable Adapter 3 inch Straight Thread ....................... P/N = TS-FE
c) Leak Sensing Unit
U
S
A ..................................................
P/N = TS-LSU
d) Leak Sensing Unit
Canadian........................................... P/N = TS-LSU/C
e) Leak Sensing Unit
Screen ..................................................
P/N = 270-0002
f) Leak Sensing Unit
O-Ring .................................................. P/N = 250-0048
LSU Removal for Service / Inspection and Cleaning
The LSU is removed or replaced whenever the following service steps are done.
Review Chapters 2.0 through 2.2 before removing or replacing a LSU.
1) With all pump power off and line-pressure relieved: follow the installation steps
& diagrams shown in Chapter 2.2
in reverse order
to remove the LSU.
2) Carefully straighten the MI Cable enough to provide clearance from other
components while the LSU is being unscrewed (removed) from the pump.
3) Clean the LSU
Screen
and Flow Tube
......when a
flashing 85 Error Code is displayed at the CU –
replace the
Screen
as required
4) Inspect LSU O-Ring
......when the LSU screen is
cleaned
– replace
O-Ring as required
. The LSU
O-Rings are made from a special material that are
UL rated – use no substitutes.
Install only genuine
INCON LSU
O-Rings. (Also see Appendix A about
Applicable Liquid Products.)
5) Reinstall / Install the Leak Sensing Unit per steps
shown in Chapter 2.2
6) Inspect the M I Cable at the LSU for damage, kinks, sharp bends, and breaks
before reapplying power
......whenever the containment sump has been
accessed ......and
after all maintenance or service of the Submerged Turbine
Pump or other related components (such as the piping system).
7) Replace the LSU per Chapter 2.2 –
before power-up
......whenever the MI Cable
has been damaged, or when the LSU has malfunctioned / become inoperable.
After Maintenance or Service DO –
Make sure that the system is operating properly ! See Chapters 2.4 and 3 for
information about System Operation and Testing, and Chapters 6.1 & 6.2 for
about Error Codes & Troubleshooting.
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