CHEMICALS ARE DANGEROUS
Read The Chemical manufacturer’s labels to
avoid injury or damage.
137
B. SPRAY SYSTEM
IX.
TROUBLE SHOOTING
PROBLEM
POSSIBLE CAUSE
SUGGESTED REMEDY
Solution pump will not prime
•
Low water level in pump
•
Air leak in suction line
•
Solution tank valve closed
•
Make sure the solution tank is
not empty, solution pump is self
-priming
•
Inspect and tighten all fittings
on suction line
•
Open solution tank valve, allow
air to leave the system
Erratic reading on pressure gauge
•
Orifice in back of gauge
clogged
•
Faulty gauge
•
Air leak in suction line
•
Glycerin leaking from gauge
•
Remove gauge; clean orifice;
reinstall
•
Replace gauge
•
Inspect and tighten all fittings in
suction line
•
Replace gauge
Malfunction of electric solution
valve
•
Faulty ground
•
Dirty contact terminals
•
Separation in wire
•
Faulty switch
•
Short in solenoid coil
•
Bad valve
•
Clean and tighten ground
•
Clean contact terminals
•
Check continuity and replace
wire
•
Replace switch
•
Replace valve
•
Replace valve
