Raytheon Beech Baron E55 - TE-959, TE-968 and After; TH-347 and After)

RByBlwm
Aircraft
Company
BARON
55
AND
58
SHOP MANUAL
CHART
2
TROUBLESHOOTING
HEATER
SYSTEM
(TC-1658
AND
AFTER; TE-959,
TE-968 AND
AFTER;
TH-437
AND
AFTER)
(Continued)
PROBLEM
PROBABLE CAUSE
CORRECTIVE
ACTION
5.
Heaterproduces
inadequate
a.
Thermostat not
properly adjusted.
I
a.
Adjust
thermostat.
heat.
b. Fuel
filter
in
fuel
pump
partially
b. Clean filter.
clogged.
c.
Restriction
in
fuel
lines.
c.
Clean
line
or
otherwise
remove
restriction.
d. Iris
valve
opening
too
small.
d. Check limit
switch
to
operate
at
1/2
opening.
e.
Restriction
in
air ducts.
e.
Check
air
valve
and
ducts for
obstruction.
f.
Spray
nozzle
partially
clogged.
f.
Clean
spray
nozzle.
Jun
27/03Page
20
SECTION
10
E20