TM 3-4230-237-10
0014 00
TROUBLESHOOTING PROCEDURES - Continued
Table 1. Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WATER HEATER - Continued
5. BURNER IGNITES, BUT NO HOT WATER DISCHARGE.
Step 1. Check that VALVE NO. 1 is closed completely.
Close VALVE NO. 1.
Step 2. Check control panel settings and ensure spray wand is open and water is flowing.
a. Set burner to ON and set thermostat to 180F (82C).
b. If there is still no hot water, notify Unit Maintenance.
6. CLASS III LEAK IN SYSTEM.
Ensure gaskets are present and that quick release couplings are fully engaged.
Step 2. Inspect discharge hose for leaks.
a. If leak is at gasket, replace hose gasket from on-board spares.
b. If hose is leaking, notify Unit Maintenance to replace hose.
Step 3. Inspect gun assembly valve(s) for leaks.
Continue operation with one wand and notify Unit Maintenance.
Step 4. Inspect heater and agitator hoses for leaks.
a. Tighten loose threaded couplings.
b. Ensure that hose is on barb and tighten clamp.
c. If leak continues, notify Unit Maintenance.
Step 5. Inspect hose reels for leaks.
Continue operation with one wand and notify Unit Maintenance.
Step 6. Inspect quick release couplings on fuel lines for leaks.
a. Ensure that locking ring is fully engaged.
b. If leak continues, notify Unit Maintenance.
END OF WORK PACKAGE
0014 00-10
