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Troubleshooting
29
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 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. In addition, it may be advisable to
empty the tank contents using a transfer pump if the tank drain hole is inaccessible while the sprayer
is mounted on the ATV.
Before attempting to service the sprayer:
1. Personal
protective
equipment
Wear personal protective equipment as dire cted 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 spraye r an d be su re all s ystem pres su re is 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 rvicin g, ALW AYS 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
Motor hooked to battery
incorrectly
Ensure red wire is connected to
positive battery terminal. If not,
correct wiring, then remove pump
head and tighten offset bearing.
Worn spray gun nozzle Replace spray gun
Low pressure
Improper pressure adjustment T ighten pressure adjustment knob.
Clogged intake tube Remove obstruction
Clogged suction strainer Clean suction strainer
Obstruction in inlet/outlet valves Clean inlet/outlet valves
Low flow
Leak in the system Tighten leaking hose clamps/fittings