TM
5-5420-226-20-1
Symptom-75
DETAILED
TROUBLESHOOTING
PROCEDURE
T
SUPPORT
SYSTEM
- PERSONNEL
HEATER
(Continued)
(
Check
personnel
heater
air duct and deflector
for
obstructionsor
damage.
1
First
Technician
(Operators
Statimr)
l Set PERSONNEL
HEATER
HVLO
switch
OFF.
Second
Technician
(At
Personnel
Heater)
l Remove heater duct from rear of deflector.
l Look into duct opening and check for obstructions.
l Check deflector
for obstructions.
l Check heater duct for crimps or other damage.
Is the air duct or deflector
clogged
or damaged?
~,
m
l Remove
obstructions
in
heater
duct or deflector.
l Replace damaged
heater
duct
or deflector.
oYES
HEATER
AIR
DUCT
l Replace
personnel
heater
(page
18-2).
l Install heater duct on
deflector.
TA1074O7
4-718