TM-9-2540-207-14-P
HEATER, VEHICULAR COMPARTMENT, MODEL: A20
TECHNICAL MANUAL; OPERATOR, FIELD, AND SUSTAINMENT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2007
TM-9-2540-207-14-P - Page 31 of 288
TM 9-2540-207-14&P
2-5
/2-6 Blank
2.7
Heat Outlet Connection
A ventilation air duct should be 7.94 to 8.23" inside diameter and rated for continuous operation
at 350°F.
Fasten four (4) #10-32 UNF bolts (supplied with vehicle ducting) into the Heater
Ventilation Air Outlet.
Figure 2.7-1.
Ventilation Air Duct
Note:
The duct should seat properly with the Vent Outlet Seal.
Some
resistance may be felt as the duct compresses the seal.
Note:
The Vent Outlet Seal MUST be replaced EVERY time the heater is re-
installed into a vent ducting system.
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