Ag Spray Equipment TR300-500LP - Manual (Page 12)

TROUBLESHOOTING
PROBLEM
1. NO PRESSURE
2. PUMP RUNS, BUT LOW
PRESSURE
3. PUMP PRESSURE GOOD BUT
LOW OUTPUT THROUGH
NOZZLES
4. EXCESSIVE VIBRATION or
NOISE
CAUSES & REMEDIES
A. PUMP NOT PROPERLY PRIMED
B. STRAINER STOPPED UP
C. PUMP SUCKING AIR or PUMP HAS
AIR LOCK. CHECK HOSES FOR
CRACKS or HOLES. MAKE SURE
FITTINGS ARE TIGHT.
CENTRIFUGAL PUMP MAY HAVE
AIR LOCK. UNSCREW 1/8” PLUG
FROM TOP UNTIL WATER SHOOTS
OUT OF IT
D. SUCTION LINE SUCKING
TOGETHER – NEED STIFFER HOSE
E. WORN or LEAKING SEALS
A. SUCTION LINE & FITTINGS
STOPPED UP or HOSE KINKED
B. WORN ROLLERS or IMPELLAR
C. STOPPED UP STRAINER
A. NOZZLE SIZE MAYBE TOO SMALL.
CHECK CALIBRATION & GALLONS
PER ACRE
B. OUTLET LINE TOO SMALL or
BLOCKED OFF
C. BY-PASS OPEN TOO MUCH. CLOSE
A LITTLE MORE
A. POSIBLE LOOSE COULER –
DAMAGED SHAFT
B. EXCESSIVE PTO or ENGINE SPEED
C. IMPELLAR or INTERNAL PROBLEM