TM-5-5420-202-10
LAUNCHER, M48A5 TANK CHASSIS
OPERATOR'S MANUAL
DECEMBER 2009
TM-5-5420-202-10 - Page 92 of 535
0010
TM 5-5420-202-10
OPERATE PERSONNEL HEATER
CAUTION
• Heater could be damaged if operated with heater exhaust plug. Ensure heater exhaust
plug has been removed before operating heater. Failure to comply may result in equipment
damage.
• DO NOT turn HEATER MASTER switch off except for deep water fording or electrical
trouble. Failure to comply may result in equipment damage.
• DO NOT operate heater less than 5 minutes when deep water fording, or f ooding may
occur and damage heater.
Start Heater
1. Remove exhaust plug (Figure 1, Item 1) from vehicle.
2. Ensure HEATER MASTER switch (Figure 1, Item 4) is in ON position.
NOTE
•No
t
i
fy f eld maintenance if ON-HI/OFF/ON-LO switch (Figure 1, Item 3) is off and indicator
(Figure 1, Item 2) is lit.
• DO NOT make more than three attempts to start heater. Indicator (Figure 1, Item 2)
will light indicating heater startup. If the heater does not start in three attempts, notify
f eld maintenance.
3. With switch (Figure 1, Item 3) in OFF position, press indicator (Figure 1, Item 2). It should light, indicating it is
all right to start heater. If indicator does not light, notify f eld maintenance.
CAUTION
Leave MASTER BATTERY switch in ON position until heater has purged and stopped.
Moving MASTER BATTERY switch to OFF position before heater has purged will damage
heater system.
4. Move switch (Figure 1, Item 3) to ON-LO. If heater does not start in 2 minutes, move switch to OFF.
5. After waiting 10 seconds, move switch (Figure 1, Item 3) to ON-LO. If heater does not start in 1 minute,
move switch to OFF.
6. After waiting 10 more seconds, move switch (Figure 1, Item 3) to ON-LO. If heater does not start in 1 minute,
move switch to OFF and notify f eld maintenance.
7. Move switch (Figure 1, Item 3) from ON-LO to ON-HI to change air temperature (but not amount of airf ow).
DO NOT stop switch in OFF position when adjusting air temperature.
0010-2
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