Troubleshooting
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.
Before attempting to service the sprayer:
1. | Personal | Wear personal protective equipment as directed on the chemical label while |
| protective | servicing your sprayer. |
| equipment |
|
2. | Review | Review the Troubleshooting Table below for the type of problem you are |
| troubleshooting | experiencing. However, DO NOT attempt to repair until the steps listed below |
| table | 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 | Disconnect power to the sprayer and be sure all system pressure is relieved |
| power/relieve | by squeezing the gun trigger. |
| pressure |
|
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 | After servicing, ALWAYS test the sprayer for leaks with plain water before |
| servicing | 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 | Ensure red wire is connected to positive | |
battery terminal. If not, correct wiring, | |||
| |||
| incorrectly | then remove pump head and tighten | |
|
| offset bearing. | |
Low pressure | Worn spray gun nozzle | Replace spray gun. | |
Improper pressure adjustment | Tighten pressure adjustment knob. | ||
| |||
| Clogged intake tube | Remove obstruction. | |
Low flow | Clogged suction strainer | Clean suction strainer. | |
Obstruction in inlet/outlet valves | Clean inlet/outlet valves. | ||
| |||
| Leak in the system | Tighten leaking hose clamps or fittings. |
31
