Table 2-1.Troubleshooting ProceduresContinued
Fails to deliver fuel
Continues to trip off
Gases are smoky
1. Fuel supply
2. Reversed pump rotation
3. Suction/discharge fuel hoses
4. Fuel pump strainer
5. Burner nozzle
7. Pump drive coupling
8. Fuel solenoid valve
1. Fuel pump and motor
1. Electrode spark
2. Contaminated fuel
3. Burner nozzle
4. Blower operation
5. Power source - low- voltage output
1. Boiler box gasket
2. Smokebox cover bolts
Fails to deliver
1. Temperature control
2. Low-water probe
1. Pump motor
2. Shaft seals
1. Water flow control valves
Open the drain cock on the water pump by
turning it to the left and tilt the water pump on end to let
the water drain out.
This section contains troubleshooting information
for locating and correcting most of the operating
troubles that may develop in your bath unit. The
troubleshooting procedures are listed in table 2-1. The
Reach under the water heater and open the drain
cock by turning it to the left.
When the bath unit is not scheduled for use for 5
days or more, perform the following procedures:
Remove the fuel feed hose from the fuel
table lists the common malfunctions that you may find
during operation or maintenance of the bath unit or its
components. You should perform the tests/inspections
and corrective actions in the order listed. Each
Place the end of the hose into a quart container.
Fill the container with diesel fuel.
Turn on the load limit switch and allow the unit
to operate until the quart container is almost empty.
Turn off the water heater fuel shutoff valve and let the
system operate until the flame is extinguished.
malfunction for an individual component, unit, or
system is followed by a list of tests or inspections to
help you determine what corrective action(s) to take.
This manual does not attempt to list all possible
malfunctions and corrective actions or all the necessary
tests and inspections. Remember, you should always
notify your supervisor when something unusual
Turn off the load limit switch.