Airstream PNEG-343 - Manual (Page 15)

15
DRYER PRE START CHECKS
iary is wired to the dryer, it should start
and rotate in the proper direction.
played. Press the dryer power stop
button to reset the panel, then press
the start button.
LOAD AUGER
ONE SPEED OPERATION
MOISTURE CONTROL
THERMOSTAT
To check the moisture control ther-
mostat leave the unloading switch
on one speed, and slowly turn down
the moisture control thermostat. As
the setting is decreased, the indica-
tor light should come on and the me-
tering rolls should stop operating.
The bottom auger will stop after the
30 second clean out delay, provid-
ing that the dryer is still being held
by the moisture control thermostat.
Rotate the moisture control thermo-
stat up to its maximum setting. The
light should go off, and the metering
rolls should restart along with the
bottom auger if it has stopped.
METERING ROLL
OPERATION
To check the metering roll operation
turn either the low speed or high speed
knob clockwise, and the metering roll
speed should increase. Turning ei-
ther knob counterclockwise will de-
With the grain supply shut off,
quickly bump the load auger switch
to manual, and see if the load auger
rotates clockwise as viewed from the
drive end, or counterclockwise if the
dryer is a front load model. If the wet
grain supply auxiliary is wired to the
dryer it should also rotate in the cor-
rect direction at this time. Turn the
load auger switch to the auto posi-
tion. The top auger and wet grain
supply auxiliary should run for one
minute, and then the dryer will shut-
down leaving the safety shutdown
message (out of grain warning) dis-
To check one speed operation
place the unload switch in the one
speed setting. Turn up the high
speed metering roll dial until the
metering rolls start rotating. The
bottom auger should rotate coun-
terclockwise as viewed from the
drive end. The metering roll drive
motor should rotate clockwise as
viewed from the drive end of the gear
box. If the dry grain take away auxil-
To check two speed operation move
the switch to the two speed position,
set low speed on 200 and high
speed on 600. Slowly turn the ther-
mostat until the moisture control
switch light comes on. The meter-
ing roll speed is now controlled by
the low speed dial. Turning the ther-
mostat the other way until the light
goes out leaves the metering rolls con-
trolled by the high speed dial.
The metering roll access area.
TWO SPEED OPERATION