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

  TM-9-2540-207-14-P - Page 55 of 288

TM 9-2540-207-14&P
5-11
Top Shell Installation (Continued).
5.4.2.2 Installation
1.
Check that the Top Shell is fitted with two gaskets, one on each end.
Inspect the end
gaskets and replace if damaged.
Note: The gasket around the square hole should stay fixed to the Top
Housing.
Inspect the gasket and replace if damaged.
2.
Check the condition of the side seam gaskets on the bottom shell.
Replace if damaged.
3.
Check that the spring washer is installed on the Ignitor electrical post.
4.
Check that the Ignitor electrical connection is in place on the Ignitor.
Place the Top Shell
over the Top Housing, and ensure that the holes in the Top Shell line up with the holes
in the Bottom Shell.
Note: Ensure that the Wiring Harness is properly tucked inside the Top
Housing and the Top Shell does not put pressure on any components or
other wires.
Note:
The Top Shell has seam tabs that fit inside the mating tabs on the
Bottom Shell.
Tip: Make sure the locking tabs fit together properly, then push the Top
Shell onto the Bottom Shell to compress the gaskets.
5.
Using a 1/4" nut driver or socket, install the nine (9) self tapping screws and two (2)
machine screws.
Ensure that the seals between the two shells are properly in place.
Note:
The gaskets and the seals along the edges of the Top and Bottom
Shells prevent air leakage during operation.
6.
Check that the Ignitor electrical connection is in place on the Ignitor. Screw the Ignitor
Hatch into place. DO NOT over tighten. Ensure that the Hatch is fitting properly to the
shape of the Top Shell.
Note:
the Ignitor Hatch must be properly secured in order to prevent air
leakage during operation and to ensure a good electrical connection
for the
Ignitor.
7.
Install Top Cover (ref 5.4.1).
8.
Place the heater on the Test Stand and check for operation (ref 3.1).


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