Farm Fans C-2130B, Owner'S Manual, Page: 19 / 66

Before the dryer is filled with grain and placed into
actual drying operation, thoroughly inspect the unit
and check out the operation as described in the follow-
ing steps.
1. Set controls and switches as described in the following
chart:
CONTROL TEST FIRING SETTING
Burner Switch OFF
Load Auger switch OFF
Unload Auger Switch OFF
Unloading Switch OFF
Manual Unload Setting Adjust to minimum
Loading Timer 30 minutes
2. Inspect metering rolls and inside of dryer.
Open all metering roll access doors and all hinged fast-
trip clean-out doors and carefully inspect each com-
partment for any bolts, nuts or other foreign hardware
which may have dropped into these areas during dryer
installation and setup. Remove all material present to
prevent possible jamming of the meter rolls or bottom
auger and contamination of dried grain.
Check the inside of air plenum chambers and remove
all foreign materials.
3. Check Fan Belt tension and condition. Refer to Table
1-5 for proper belt tension.
4. Check plumbing for leaks.
Open the main fuel supply valve to allow fuel flow to the
electrically operated Main/Safety Gas Shut-off Valve.
On NG dryers, open the 2" hand valve and check for
leaks in the fuel supply plumbing and the dryer fuel
manifold up to the Main/Safety Shutoff Valve.
On LP dryers, open the 3/4" liquid valve and check for
leaks in the fuel supply plumbing and vaporizer plumb-
ing up to the liquid solenoid valve.
NOTE: Open the shutoff valve slowly to prevent acci-
dental closing of the excess-flow valve within supply
system.
Turn ON the Power Disconnect lever located on the
PSC Power Box. Using a jumper wire, temporarily
jump power from terminal #3 to terminal #36 on the
ASC terminal strip to power the liquid solenoid valve
open and pressurize the rest of the vaporizer plumbing.
Turn the electrical disconnect OFF and check the
vaporizer plumbing for leaks.
Proceed only after ALL fuel leaks have been corrected.
5. Turn ON the main power disconnect located on the
PSC Power Box.
6. Start dryer control circuit.
Turn the Control Stop switch to ENABLE the controls
and push the Control Start button. The green light on
the Control Start button should immediately light, indi-
cating the safety circuit and control circuit are ener-
gized to allow dryer operation.
7. Check conveyor motors rotation.
A. With the wet grain supply shut off, quickly bump
(jog) the Load Auger Switch to the ON position. The
top auger should rotate clockwise as viewed from the
drive end. Any wet grain auxiliary supply conveyors
connected to the dryer power terminals should also
start and rotate in the proper direction.
B. Quickly bump (jog) the Unload Auger Switch to the
ON position. The bottom auger drive motor pulley and
auger shaft should both rotate counterclockwise as
viewed from drive end. Any dry grain auxiliary convey-
ors connected to the dryer power terminals should also
start and rotate in the proper direction. See Fig. 6-9.
C. With the Unload Auger Switch ON, set the
Unloading Switch to MANUAL position and check the
direction of rotation. The RH metering roll shaft should
rotate counter clockwise as viewed from the rear end of
the dryer. See Fig. 6-10.
8. Check meter roll operation.
With Unloading Auger still operating, rotate the MANU-
AL UNLOADING control to increase meter roll speed
and check the metering roll drive mechanism for prop-
er operation throughout its full speed range.
The UNLOAD RATE should range from approximately
7% to 100%. Make sure all drive belts and chains are
properly tensioned and that all sections of the meter
rolls rotate properly and smoothly.
9. Check blower motor rotation.
Open the fresh air louvers on the left-hand side of the
fan-heater module. Jog the blower motor by pushing
the FAN START switch and then immediately push the
FAN OFF switch and observe the direction of the fan
rotation. The fan should rotate clockwise as viewed
from the drive shaft side.
NOTE: If all dryer motors run backward, they can eas-
ily be reversed by changing the dryer's power supply
connection. Auxiliary conveyors which have been field
connected may have to be reversed individually.
10. Check blower motor starting.
Start the blower motor and observe the number of sec-
onds required for the blower to reach FULL RPM. The
blower should reach full speed within 10 to 15 seconds
and the motor running current should be within accept-
able limits to the full-load amperage listed in the elec-
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