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
PIPING INSTALLATION - continued
b.
If both voltages are present, replace timer assembly. Refer to paragraph 2-78.
Step 3.
Check for clogged control hoses.
Remove restrictions if clogged.
Step 4.
Remove "in line" diaphragm valve (paragraph 2-80) and check for restrictions and damaged
components.
Remove restrictions and/or replace damaged components; if trouble persists, replace control valve
assembly. Paragraph 2-79.
Step 5.
Check for restrictions and/or damage in BRINE FLOW meter, BACKWASH VALVE, check valve
attached to BACKWASH VALVE, pipes and orifices
a.
If BRINE FLOW meter is damaged or restricted, remove restriction and/or replace brine flow
meter. Refer to paragraph 2-47.
b.
If BACKWASH VALVE and/or check valves are restricted or damaged, remove restriction and/or
replace valves. Refer to paragraph 2-52.
c.
If restriction or damage is in pipes and orifices, disconnect pipes as necessary and remove
restriction.
10.
INOPERABLE TDS MONITOR.
Remove monitor cover and check for defective fuse and broken or disconnected wires
a.
If defective, replace fuse.
b.
If wires are disconnected, reconnect wires.
c.
If wires are broken and cannot be connected, or no obvious defect is found, notify Direct Support
Maintenance
2-24
