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impellor is a backward curved paddle wheel
which is directly
connected to the shaft of the blower motor.
Gas dryers have
a
3 HP blower motor for 60Hz machines,
and all
steam dryers
as
well
as
50Hz gas dryers have a 5 HP motor.
These motors
contain sealed bearings that do not have to be lubricated.
The blower motor is started by a non-reversing magnetic
starter which is located in the high voltage electrical
box.
The
blower motor also has an internal
thermal
protection
switch.
F. Gas Burner
Gas-heated
dryers
are
equipped
with
a
gas
burner
assembly
located
(viewing from front)
on the top
right-hand
side
of
the dryer.
This
assembly consists
of three
(3)
burner tubes,
gas
valve,
ignitor,
sail
switch,
and hi-limit
thermostat.
The inlet piping enters through the rear of the
dryer
on
the
right-hand
side
and
runs
to the
front
of
the
dryers where the gas valve is located.
G.
High Voltage Electrical
Box
This
box
is located in the base at the front of the
dryer.
The magnetic starters for both the tumbler drive
motor and the blower motor are located here.
Each starter is
equipped
with
resettable
overload
heaters.
Each
of
these
motors is also protected by Slo-Blo cartridge fuses which are
located in this box.
The
soft
start
device
and
the
control
voltage
trans¬
former are also located in this box.
You can get access to
these
devices
from the
front
of
the dryer
by
removing
the
front base panel .
H.
Load Door (Right and Left)
The load door is made up of two (2) horizontally sliding
doors.
Both doors ride on a linear slide located at the top
of
the door and
roller wheels
located
at the bottom of the
door.
Both doors are insulated with 1/2-inch
insulation so
they remain cool when the dryer is in use.
The two
(2) doors are held together by a 1-1/8 wide by
1/4 thick by 44-inch long magnetic strip located on the left
door.
Both doors are opened manually by pulling them apart.
I.
Control Boxes
There are two
(2)
14-inch wide by 3-1/2 deep by 52-5/8
high boxes on each side of the load doors on the front of the
dryer.
Each
box
has
its
own
door
which
is
hinged
and
latched.
13
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