TM 5-4610-223-12
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WATER PURIFICATION UNIT-Cont
Step 2.
Check for clogged gage piping.
Clean the gage piping.
Step 3.
Check for defective gages.
Replace the gages. (Refer to para 4-67.)
22.
RAW WATER PRESSURE GAGE AND FLOW INDICATOR SHOW INCORRECT OR NO READING.
Step 1.
Check for defective gage or indicator.
Replace the gage or indicator (paras 4-68 and 4-70).
Step 2.
Check for clogged flow indicator piping.
Clean or replace the piping.
Step 3.
Check for air lock in indicator lines.
Bleed the lines.
Step 4.
Check for defective flow indicator.
Replace the flow indicator (para 4-70).
23.
PLUG VALVES LEAK OR DRAW AIR.
Step 1.
Check for valve body cracked or broken.
Replace the valve.
Step 2.
Check for defective packing.
Replace the valve..
Step 3.
Check for lack of lubrication.
Lubricate in accordance with LO 5-4610-223-15.
4-35
