LANCE IISERVICE MANUAL
13-4. OVERHEAD
VENT BLOWER
(OPTIONAL).
13-5. DESCRIPTION. The blower is mounted in the aft section of the fuselage and is
connected to the overhead
vent system. The blower draws
air in from the dorsal fin and
forces it throught
the ducting
whenever desired.
13-6. REMOVAL OF BLOWER ASSEMBLY.
a. Remove the access door from the aft wall of the baggage area.
b. With the master switch off, disconnect the plug assemblies at the blower assembly.
c. Remove the inlet and outlet hoses from the blower assembly by removing the
clamps.
d. Remove the screws, washers, and nuts that secure the blower assembly to the hangar
braces.
e. Remove the screws and washers which secure the blower assembly to the retainer
and hangars.
f. Remove the blower assembly from the aircraft.
13-7. DISASSEMBLY
OF BLOWER
ASSEMBLY.
a. Remove the hose duct from the forward edge of the blower assembly by removing
the nuts, washers and screws.
b. Remove the cover from the blower assembly by removing the nuts, washers and
screws.
c. Remove the blower
fan from the motor shaft by removing
the set screw.
d. For removal
of the motor, proceed
as follows:
1. Separate
the plate from the motor cover by
carefully drilling out the connecting
rivets.
2. Cut the motor wires at the edge of the receptacle and plug, and remove the wire
ends from the
blocks only after noting wire
positions for reassembly.
3. Remove the motor
from the mounting plate by
removing the nuts, washers and
bolts.
Issued: 1/3/78 2J2
HEATING
AND
VENTILATING
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