TM 10-4610-241-24
TO 40W4-13-42
Table 2-2. Unit Troubleshooting- continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PIPING INSTALLATION - continued
8.
ABNORMAL MULTIMEDIA FILTER DIFFERENTIAL PRESSURE INDICATION.
Step 1. Check for clogged or leaking sensing lines. Refer to Paragraph 2-31.
a. Tighten connections or replace lines if they are leaking.
b.
Clear lines if they are clogged.
Step 2. Check for clogged or leaking control tubes. Refer to Paragraph 2-68 for routing of tubes.
a.
If control tubes leak, tighten connections and/or replace tubes that leak.
b.
If control tubes are clogged, disconnect and clean them.
c.
If control tubes are not clogged and don't leak, replace multimedia filter differential pressure gage.
Step 3. If trouble persists, notify Direct Support Maintenance to troubleshoot and repair the control valve
assembly. Refer to Paragraph 2-69
9.
ABNORMAL R.O. VESSEL DIFFERENTIAL PRESSURE GAGE INDICATION.
Check for clogged or leaking sensing lines. Refer to paragraph 2-31.
b.
If leaking, tighten connections and/or replace lines.
a.
If clogged, remove obstruction.
c.
If lines are not clogged and don't leak, replace pressure gage (Paragraph 2-42).
10.
ABNORMAL R.O. PRESSURE GAGE INDICATION.
Check for clogged or leaking sensing lines. Refer to Paragraph 2-31.
a.
If clogged, remove obstruction,
b.
If leaking, tighten connections, and/or replace lines.
c.
If lines are not clogged and don't leak, replace pressure gage (Paragraph 2-50).
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