TM 10-4610240-24
TM 08580C-24/2
TO 40W4-13-22
Table 2-2. Unit Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PIPING INSTALLATION - continued
5.
ABNORMAL MULTIMEDIA FILTER DIFFERENTIAL PRESSURE INDICATION.
Step 1
Note if pressure is high or low and check RAW WATER FLOW meter
If pressure is at, or close to zero and RAW WATER FLOW meter is normal (35 GPM approximately),
Step 2.
Check for leaking control hoses.
If control hoses leak, tighten connections and/or replace hoses that leak. If trouble persists, replace
6.
ABNORMAL R.O. VESSEL DIFFERENTIAL PRESSURE GAGE INDICATION.
Step 1.
Check if gage is at or near zero and RAW WATER FLOW meter is normal (35 GPM approximately).
If gage is at or near zero at normal flow, replace gage. Refer to paragraph 2-49.
Step 2.
Check R.O. vessels for damaged, clogged or missing elements and/or foreign objects Refer to TM 10-
4610-240-10 .
a.
Clean, install or replace elements as required.
b.
If rubber chunks are found in vessels, replace fluid pressure dampener. Refer to paragraph 2-73
7.
ABNORMAL R.O. PRESSURE GAGE INDICATION.
Step 1.
Check if gage is at or near zero and RAW WATER FLOW meter is normal (35 GPM approximately).
If gage is at or near zero at normal flow, replace gage Refer to paragraph 2-49.
2-20