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Troubleshooting
32
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 16 gallons (Item# 28517) or 26 gallons
(Item# 28518) 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
and 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
trouble shooting
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 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.
4. Disconnect
power/relieve
pressure
Disconne ct power to the s praye r an d be su re all system pressure i s relie ve d
by squeezing the gun trigger.
5. Perform repairs Follow the directions provided in the troubleshooting table to repair the
spraye r.
NOTE: Never try to unclog the sprayer nozzle by blowing through it.
6. Test after
servicing
Afte r se rvicing, ALWAYS test the spraye r for leaks with plain water be fore
using.
PROBLEM CAUSE SOLUTION
Bad electrical connection Check battery connections
Short in wires Check condition of wires
Pump will not turn on
Low voltage Check voltage
Worn spray gun nozzle Replace spray gun
Low pressure
Worn boom nozzle Replace boom nozzle
Clogged intake tube Remove obstruction
Clogged suction strainer Clean suction strainer
Low flow
Low voltage Check voltage
Clogged intake tube Remove obstruction
Suction strainer clogged Clean suction strainerPoor spray distribut ion
Worn spray gun nozzle Replace spray gun
Pump cycles while not spraying Leak in the system
T ighten leaking hose clamps or
fitt ings, replace spray gun