TM 9-4520-251-14
4-47 IGNITION ASSEMBLY (CONT)
Location/Item
Action
Remarks
3.
Inspection
Remove screws (6), washers (7), and
port
clamps (8). Lift off inspection port
cover (9) and gasket (10) and set
aside for reassembly. Manually
check connection of high tension
cable (5) to igniter (11) through in–
spection port (12).
4.
Wire
Inspect wire assemblies (13, 17) for
assemblies
breaks, abrasions, and poor connec–
and connections
tions (4,1 8).
TESTING
Do not operate heater in enclosed space. Adequate ventilation is re-
quired to prevent buildup of exhaust fumes which can be toxic in con-
centrated amounts.
Wear approved ear protection equipment within 25 feet (7.6 meters) of
operating heater. Failure to do so may result in impairment or loss of
hearing.
Shock or injury may result from working on electrical components.
Take care to ground parts and not make personal contact.
Do not have fuel flowing to combustor during following test. Be sure
burner control knob is all the way up.
4-117
