TM 10-4610-239-10
TM 08580B-10/1
Table 3-2. Troubleshooting (ROWPU) (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
MEASURED TDS
CONDITION
FRONT
REAR
CAUSE
SAMPLE
SAMPLE
1
High
Normal Leak At Front End-Connector O-Rings*
2
Normal
High
Leak At Rear End-Connector O-Rings*
3
High
High
Leak At Front And Rear End-Connector O-Rings
and/or Element Interconnector O-Rings*
* Condition could also be caused by defective R.O.
element
Condition 1:
Remove front end cap and end-connector and check condition, lubrication, and size of 0-rings Replace
damaged or wrong-size 0-ring(s), lubricating 0-rings with lubricant found in Storage Box No.2 before
installation. Carefully reinstall end-connector and end cap per para.3-4h.
Condition 2:
Remove rear end cap and end-connector and check condition, lubrication, and size of 0rings Replace
damaged or wrong-size 0-ring(s), lubricating 0-rings with lubricant found in Storage Box No 2 before
installation. Carefully reinstall end-connector and end cap per para.3-4h.
Condition 3:
Remove the R.O elements from the pressure vessel per para.3-4 Check condition, lubrication, and size
of all 0-rings Replace damaged or wrong-size 0-ring(s), lubricating 0-rings with lubricant found in
Storage Box No 2 before installation Carefully install elements and end caps per para.3-4h.
i. Adjust R.O PRESSURE to 800 psig (seawater) or 500 psig (brackish water).
j.
For each R.O vessel in which 0-rings were inspected, collect a sample of product water from
each end of vessel, rinsing each container twice with sample water before collecting sample
Do one vessel at a time Mark container appropriately as front or rear.
k.
Open REGULATOR PRODUCT WATER valve fully.
3-14
