Product Manual

Troubleshooting
28
WARNING
Before troubleshooting or attempting to service, read the following safety rules to
avoid accidental exposure to chemical and also risk of electric shock.
Note: A reserve, clean container capable of holding at least 5 gallons should be kept for use when the sprayer
tank needs to be emptied temporarily for repairs. It is advisable to purchase a reserve tank suitable for
chemical storage from Northern Tool + Equipment for use in these circumstances. The container should
be properly labeled as to its contents if it is used.
Before attempting to service the sprayer:
1. Personal
protective
equipment
Wear personal protective equipment as directed on the chemical label while
servicing your sprayer.
2. Review
troubleshootin
g table
Review the Troubleshooting Table below for the type of problem you are
experiencing. However, DO NOT attempt to repair until the steps listed below are
followed.
3. Empty and
flush
Empty the tank and flush the sprayer with water as directed in the section,
“Operation – Step 4.”
- In order to avoid accidental exposure to chemicals, never attempt to service the
sprayer until the tank has been emptied and the sprayer flushed with water.
4. Disconnect
power/relieve
pressure
Disconnect power to the sprayer and be sure all system pressure is relieved by
squeezing the gun trigger.
5. Perform
repairs
Follow the directions provided in the troubleshooting table to repair the sprayer.
NOTE: Never try to unclog the sprayer nozzle by blowing through it.
6. Test after
servicing
After servicing, ALWAYS test the sprayer for leaks with plain water before using.
PROBLEM
CAUSE
SOLUTION
Pump will not turn on
Bad electrical connection
Check battery connections
Short in wires
Check condition of wires
Low voltage
Check voltage
Low pressure
Worn spray gun nozzle
Replace spray gun
Low flow
Clogged intake tube
Remove obstruction
Clogged suction strainer
Clean suction strainer
Low voltage
Check voltage
Poor spray distribution
Clogged intake tube
Remove obstruction
Suction strainer clogged
Clean suction strainer
Worn spray gun nozzle
Replace spray gun
Pump cycles while not
spraying
Leak in the system
Tighten leaking hose clamps or fittings,
replace spray gun