TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
Table 2-2. Unit Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
CHEMICAL FEED METERING PUMP ASSEMBLY - continued
2.
INADEQUATE FLOW OF CHEMICALS - continued.
a.
If there are no leaks, repair defective diaphragm pump. Refer to paragraph 2-69
b.
If tube leaks, replace faulty tube. Refer to paragraph 2-68.
c.
If three-way ball valve leaks, replace faulty valve. Refer to paragraph 2-61.
3.
PUMP IS NOISY.
Step 1.
Check that chemical feed pump is secured to ROWPU frame
a.
If pump is secure, go to step 2.
b.
If pump is not secure, secure pump.
Step 2.
Check that pump motor is secured to chemical feed pump.
a. If motor is not secure, secure motor.
b.
If motor is secure, replace chemical feed pump. Refer to paragraph 2-68.
2-30
