SECTION 9
9-10
01/01/2014
A2.
IF VOLTAGE IS PRESENT ON TERMINAL #47 (120 VOLTS),
THE GRAIN LOADING LIGHT (DS12) IS DEFECTIVE,
REPLACE.
B.
IF AUXILIARY LOAD STARTER (S6) DOES NOT PULL IN AND
VOLTAGE IS PRESENT AT LOAD SIDE OF COIL, THE
HOLDING COIL IS DEFECTIVE, REPLACE.
C.
OVERLOAD ON AUXILIARY LOAD STARTER (S6) MAY HAVE
TRIPPED FROM A MOTOR DRAWING HIGH AMPERAGE. RESET
DEFECTIVE OVERLOAD. IT WILL BE NECESSARY TO
DETERMINE IF A SHORT CIRCUIT OR EXCESSIVE OVERLOAD
CONDITION EXISTS IN THIS ISOLATED SYSTEM AND WHAT
CORRECTIVE STEPS NEED TO BE TAKEN TO RESOLVE THIS
CONDITION. OTHER POSSIBLE CAUSES COULD BE (1) BAD
MOTOR, REPLACE. (2) JAMMED AUXILIARY LOAD SYSTEM,
CORRECT. (3) LOOSE WIRING CONNECTIONS ON TERMINALS,
TIGHTEN. (4) DEFECTIVE OVERLOAD, REPLACE.
D1.
TRASH AND PLUGGING PROBLEM - CHECK LOW GRAIN
SWITCH(S) (SW9, SW10) FOR TRASH BUILDUP BEHIND
PADDLE.
D2A. FRONT LOW GRAIN SWITCH (SW9). IF VOLTAGE (120
VOLTS) IS PRESENT ON TERMINAL #35 CHECK VOLTAGE ON
TERMINAL #37 WITH SWITCH PADDLE ENGAGED. IF VOLTAGE
IS NOT PRESENT THE LOW GRAIN SWITCH FRONT (SW9) IS
DEFECTIVE, REPLACE.
D2B. REAR LOW GRAIN SWITCH (SW10). IF VOLTAGE (120
VOLTS) IS PRESENT ON TERMINAL #37 CHECK VOLTAGE ON
TERMINAL #39 WITH SWITCH PADDLE ENGAGED. IF VOLTAGE
IS NOT PRESENT THE LOW GRAIN SWITCH REAR (SW10) IS
DEFECTIVE, REPLACE.
D3.
CHECK FOR EMPTY WET GRAIN SUPPLY. CHECK AUXILIARY
LOAD SYSTEM FOR PLUGGING, BROKEN BELT, IMPROPER
FLOW RATE, UNDERSIZED LOAD SYSTEM, ETC. THAT MAY
RESTRICT GRAIN FLOW TO DRYER.
3C.
SEQUENCE:
LOAD SWITCH (SW4) TO "ON", ENERGIZING LOAD CIRCUIT.
GRAVITY FLOW WITH HIGH AND LOW BIN SWITCHES. (OPTIONAL)
ACTION:
LOAD SWITCH (SW4) "ON", GRAIN LOADING LIGHT (DS12) "ON"
STARTS WET AUXILIARY LOADING. LOADS DRYER AUTOMATICALLY
AS REQUIRED. GRAIN LOADING LIGHT (DS12) "ON" UNTIL GRAIN
LEVEL CONTROL SWITCH(S) (HIGH) SHUTS AUXILIARY LOAD
SYSTEM "OFF" . LOW GRAIN LIGHT(S) (DS9, DS10) "ON" UNTIL
GRAIN ENGAGES PADDLE(S) ON LOW GRAIN SWITCH(S) (SW9,
SW10). NOTE: OPERATION OF GRAIN LEVEL CONTROL LIGHTS (1)
LOW LIGHT (DS31) "OFF" UNTIL GRAIN ENGAGES PADDLE. (2)
HIGH LIGHT(S) (DS29, DS30) "OFF" UNTIL GRAIN ENGAGES
PADDLES SHUTTING "OFF" LOAD SYSTEM.
SYMPTOMS:
A.
NO GRAIN LOADING LIGHT (DS12).
Содержание DPX12T
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