ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0034 00
TROUBLESHOOTING PROCEDURES
UNIT TROUBLESHOOTING PROCEDURES TACTICAL WATER
PURIFICATION SYSTEM (TWPS)
Table 13. Cold Weather System Troubleshooting Continued.
ITEM
MALFUNCTION
POSSIBLE CAUSES
CORRECTIVE ACTION
2
Heater will not ignite, but
Air leak at fuel filter.
Check fuel filter for air leaks and tightness
cont.
motor runs for a short time
of fittings where filter joins fuel line.
(continued).
Defective or damaged spark plug.
Remove spark plug from burner head.
Visually inspect spark plug for cracks or
worn electrodes. Adjust spark plug gap. If
the heater still will not ignite, test the spark
plug and replace if defective (WP 0064).
Defective transformer.
Test the transformer and replace if
defective (WP 0064).
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. Remove and rinse the fuel filter with
clean fuel (WP 0064). 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.
Replace fuel filter (WP 0064).
Fuel filter loose.
Check fuel filter for air leaks and for
tightness of fittings where filter joins fuel
line (WP 0064).
Dirty fuel nozzle.
Remove and clean the burner head and
fuel nozzle (WP 0064).
Loose output airline between pump and
Tug airline at both connections to ensure
burner head.
that they are tight (WP 0064).
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
Check and adjust pump output pressure
fuel to be supplied.
Fan loose or improperly located on shaft.
Check and tighten hex screw located on
rear of fan hub. Make sure that the fan is in
the correct location (WP 0064).
Bent or damaged fan.
Inspect fan for damage. If damaged,
replace the fan (WP 0064).
0034 00-45
