Troubleshooting; Specifications - North Star 2851701 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 16 gallons (Model # 2851701) or 26 gallons
(Model # 2851801) 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

Specifications

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 Clogged intake tube, 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 intake tube or 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
Fuse blown
Short in wires
Low voltage
Worn spray gun nozzle
Worn boom nozzle
Clogged intake tube
Clogged suction strainer
Low voltage
Clogged intake tube
Suction strainer clogged
Worn spray gun nozzle
Leak in the system
SOLUTION
Check battery connections
Replace fuse
Check condition of wires
Check voltage
Replace spray gun
Replace boom nozzle
Remove obstruction
Clean suction strainer
Check voltage
Remove obstruction
Clean suction strainer
Replace spray gun
Tighten leaking hose clamps or
fittings, replace spray gun
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