ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0033 00
TROUBLESHOOTING PROCEDURES
OPERATOR/CREW TROUBLESHOOTING PROCEDURES
Table 13. Cold Weather System Troubleshooting.
ITEM
MALFUNCTION
POSSIBLE CAUSES
CORRECTIVE ACTION
3
Heater burns but puffs of
Heater running out of fuel.
Check level of fuel in tank. A minimum of
smoke can be seen; heater
about one gallon is required for proper
will not burn steady; heater
operation.
burns with odor; heater
smokes continuously.
Wrong fuel.
Make sure fuel is one of the following: DF2,
DL2, or JP8.
Water in fuel.
Check for water in the fuel tank. If water is
found, drain the tank and rinse with clean
fuel. Fill the tank with fresh, clean fuel.
Dirty air filters causing reduced air
Make sure the air intake is not blocked.
pressure through nozzle resulting in low
Remove and clean air filters (WP 0044).
fuel flow.
Dirty fuel filter.
Notify Unit Maintenance.
Fuel filter loose.
Notify Unit Maintenance.
Dirty fuel nozzle.
Notify Unit Maintenance.
Loose output airline between pump and
Notify Unit Maintenance.
burner head.
4
Flames and/or black smoke
Dirty fan.
Clean the fan (WP 0044).
come out of stack.
Air passageway through the heater is
Make sure that the air passageway through
blocked.
the heater is clear.
Pump output too high causing too much
Notify Unit Maintenance.
fuel to be supplied.
Fan loose or improperly located on shaft.
Notify Unit Maintenance.
Bent or damaged fan.
Notify Unit Maintenance.
5
Heater cycles intermittently.
Remote thermostat (if used) set too low.
Set remote thermostat to a higher
temperature for more even operation.
Defective remote thermostat (if used).
Set the thermostat switch on the electric
control box to the "ON" position. If the
heater runs evenly, notify Unit Maintenance
to replace the remote thermostat assembly.
Defective electrical supply or defective
Make sure the power cord is in good
electrical connections.
condition.
Defective overheat switch.
Notify Unit Maintenance.
6
Heater ignites but safety
Dirty or defective photocell.
Notify Unit Maintenance.
control trips.
Defective overheat switch.
Notify Unit Maintenance.
0033 00-31
