4-47 IGNITION ASSEMBLY (CONT)
Remove screws (6), washers (7), and
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).
Inspect wire assemblies (13, 17) for
breaks, abrasions, and poor connec
tions (4,1 8).
Do not operate heater in enclosed space. Adequate ventilation is re-
quired to prevent buildup of exhaust fumes which can be toxic in con-
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
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.