TM 10-4610-229-24
Table 2-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Check boost pump speed.
Correct boost pump speed. (See TM 10-4610-229-10.)
2.
HIGH DIFFERENTIAL PRESSURE ACROSS CARTRIDGE FILTER (PI-2) - (PI-3).
Check CARTRIDGE FILTER OK light.
Replace cartridge filter elements. (See TM 10-4610-229-10.)
3.
CHEMICAL METERING PUMP INOPERATIVE.
Step 1.
Check power cable to skid connection.
Connect power cable. (See TM 10-4610-229-10.)
Step 2.
Check fluid in drum.
Replace drum. (See TM 10-4610-229-10.)
Step 3.
Check pump prime.
Prime pump. (See TM 10-4610-229-10.)
4.
PUMP DOES NOT PRIME.
Step 1.
Check stroke length setting.
Set stroke length at 100 percent. (See TM 10-4610-229-10.)
Step 2.
Check the check valves.
Clean dried multimedia from valves (para 2-70).
5.
LIQUID SEEPS OUT AROUND HEAD DISC.
Step 1.
Check dosing head mounting.
Tighten dosing head mounting screws.
Step 2.
Check diaphragm valve.
Replace defective diaphragm valve (para 2-70).
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