ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0044 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR MAINTENANCE PROCEDURES
COLD WEATHER SYSTEM
4. Open the access panel at the top of the heater.
ACCESS PANEL
FAN
Figure 2. Diesel Heater Fan Blades.
CAUTION
Be careful not to bend the fan blades. A bent fan blade may reduce the air supply
and result in faulty heater operation.
5.
Wipe the fan blades clean using a cloth moistened with kerosene or solvent.
6.
Dry the fan blades thoroughly.
7.
Close the access panel.
8.
Close and snap the top cover.
Diesel Heater Spark Plug Service:
Equipment condition:
Diesel heater OFF and power cord disconnected from source and from heater
Adjust the diesel heater spark plug gap as follows:
WARNING
Electrical hazard. The spark plug wire carries high voltage during heater
operation. Before opening up the top cover of the heater to access the spark plug,
be sure the heater switch is OFF and the power cord is unplugged from the power
source and the heater. Failure to observe this warning may result in injury or
death from electrical shock.
1. Remove the diesel heater spark plug as follows (see Figure 3):
a. Make sure the heater switch is OFF.
b. Make sure the heater power cord is unplugged from the power source and from the
heater.
0044 00-4
