Troubleshooting; Electrical Connection - North Star M2681781B Owner's Manual

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 55 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 pesticide 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
2. Review

troubleshooting

table
3. Empty and flush
4. Disconnect
power/relieve
pressure
5. Perform repairs
6. Test after
servicing
PROBLEM
Pump will not turn on
Low pressure
Low flow
Poor spray distribution
Pump cycles while not spraying
Electrical System Requirements

Electrical connection..................

Amp draw from pump.................
Troubleshooting
WARNING
Wear personal protective equipment as directed on the chemical label while
servicing your sprayer.
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.
If the cause listed for your problem is a Clogged suction strainer, or Worn
spray gun nozzle: empty the tank and flush the sprayer with water as directed
in the section, "Operation – Step Four".
- In order to avoid accidental exposure to chemicals, never attempt to unclog
the suction strainer, or service the spray gun nozzle, until the tank has been
emptied and the sprayer flushed with water.
Disconnect power to the sprayer and be sure all system pressure is relieved
by squeezing the gun trigger.
Follow the directions provided in the troubleshooting table to repair the
sprayer.
NOTE: Never try to unclog the sprayer nozzle by blowing through it.
After servicing, ALWAYS test the sprayer for leaks with plain water before
using.
CAUSE
Bad electrical connection
Short in wires
Low voltage
Worn spray gun nozzle
Worn broadcast nozzle
Clogged suction strainer
Low voltage
Suction strainer clogged
Worn spray gun nozzle
Leak in the system
SOLUTION
Check battery connections
Check condition of wires
Check voltage
Replace spray gun
Replace broadcast nozzle
Clean suction strainer
Check voltage
Clean suction strainer
Replace spray gun
Tighten leaking hose clamps or
fittings, replace spray gun
12 VDC
8 Amps
34