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IMPORTANT: 

Remove tank lid and be sure the tank is 

clean and free of any foreign material. Rinse tank out 

of any tank residue before filling with water to test.

 

 

Testing the Sprayer 

NOTE: 

It is important that you test your sprayer for leakage and 

proper spray patterns with plain water before chemical application is 

attempted. This will also give you the opportunity to familiarize 

yourself with the operation of the sprayer, without the possibility of 

losing any expensive chemicals. 

 

Fill the tank about 1/2 full of plain water for testing. Conditions of 

weather and terrain must be considered when setting the sprayer. Do 

not spray on windy days. Protective clothing must be worn in some 

cases

 

 

Be sure to read the chemical label(s) before application! 

 

Operation 

The pumping system draws solution from the tank, through the 

strainer and to the pump. The pump forces the solution under 

pressure to the handgun or boom nozzles. 

 

Connect the lead wire to a fully charged 12 volt battery. You may use 

either a stand-alone battery or the battery on your towing vehicle. 

Connect to the positive (red) terminal first, then connect to the 

negative (black) terminal. Then connect the end of the lead wire to 

the end of the pump. When disconnecting, disconnect the end of the 

pump wire from the lead wire, then disconnect the negative (black) 

connection and finally the positive (red) connection. The lead wire 

has an On/Off switch to activate the pump. “-” is on and “O” is off. 

 

Fill the tank part way with water and then add the desired amount of 

chemical to be sprayed. Finish filling tank to proper level. Turn the 

pump on and by depressing the “-” side of the rocker switch.  

 

NOTE: The pump is equipped with a pressure switch that is pre-set 

at the factory to shut the pump off when all discharges are closed. 

 

The pump will turn back on when one of the following actions occurs: 

 

Activate the handgun by squeezing the handle lever 

 

Rotating the adjustable nozzle tip on the handgun will change 
the tip pattern from a straight stream to a cone pattern (fine 

mist) 

Maintenance During/After Spraying 

Periodically check the strainer and clean the screen on your intake 

line. 

 

Proper care and maintenance will prolong the life of your sprayer. 

 

After use, drain the tank and store or dispose of chemical properly. 

Fill the sprayer half way with clean water. Start the pump and allow 

the water to pump through the entire plumbing system and nozzle. 

Drain and then refill half full, add the recommended amount of a 

good quality tank cleaner, such as FIMCO Tank Neutralizer and 

Cleaner. (If no tank cleaner is available, you may substitute dish 

soap for this step, about 1-2 oz. per gallon).  Turn pump on and 

circulate through system for 15 minutes and then spray out through 

handgun nozzle. Refill sprayer half way with clean water and repeat. 

Follow the chemical manufacturer’s disposal instructions of all wash 

or rinsing water. 

  

If handgun nozzle needs cleaning, remove from the sprayer and soak 

in warm soapy water. Clean with a soft bristled brush or toothpick if 

necessary. Never use a metal object. Even the slightest damage can 

change the flow rate and spray distribution. Water rinse and dry the 

tip before storing. 

 

WARNING: 

Some chemicals will damage the pump valves if 

allowed to soak untreated for a length of time! ALWAYS  flush 

the pump as instructed after each  use. DO NOT allow chemicals 

to sit in the pump for extended times of idleness. Follow the 

chemical manufacturer’s instructions on disposal of all waste 

water from the sprayer. 

 

Winter Storage 

Prepare the sprayer for end-of-season storage by running RV 

antifreeze through the system. This will keep internal parts lubricated, 

protect against corrosion and keep the unit from freezing. 

Note: RV 

antifreeze is non-toxic and biodegradable and generally safer for the 

environment than automotive antifreeze.

 

Before storing your sprayer for winter or long term storage, 

thoroughly clean and drain it as much as possible. Then pour enough 

pink RV antifreeze into the tank so that when the pump is turned on 

you can pump the antifreeze throughout the entire plumbing system, 

including the bypass, if equipped. Make sure to operate the handgun 

until you see pink fluid spraying from the nozzle. Leave any 

remaining antifreeze in the tank. Before your next usage, rinse the 

antifreeze from the sprayer with clean water. 

It is nearly impossible to drain all of the water from the sprayer and 

any trapped water can freeze in cold weather and damage parts of 

the sprayer. Pumping the antifreeze through the system will displace 

the water and help prevent this damage. 

 

Removing from storage: drain the antifreeze. Fill the tank with fresh 

water and run through the system. Dispose of antifreeze and flush 

water properly. 

Try another 12-Volt battery

Quarter turn at a time clockwise until surging stops

Defective pressure switch

Troubleshooting

Bypass is not completely closed
System has leaks
Check for worn or dirty check valve
Excessive voltage
Improper adjustment of pressure switch
Damaged or defective wiring harness

Check for proper voltage

Check for worn or dirty check valve
Low flow may cause pump to surge
Spray wand is adjusted for a small or fine spray pattern
Slightly open bypass (if applicable) to overcome
If needed, pressure switch may need to be adjusted

Pump will not run:

Low Pressure/Low Flow:

Pump surges:

Pump continues to run:

Fuse blows:

Check for loose wiring
Make sure the ON/OFF switch is on
Check the fuse
Check for defective pressure switch
Check for a clogged strainer

Содержание 5301063

Страница 1: ...e sure the valve is in the open position before using your sprayer Detail A OWNER S MANUAL BEFORE RETURNING THIS PRODUCT FOR ANY REASON PLEASE CALL 1 800 831 0027 MONDAY FRIDAY 8 00 AM TO 5 00 PM CST If you should have a question or experience a problem with your Fimco Industries Product Visit our website www fimcoindustries com or call the Toll free number above Our technical support representati...

Страница 2: ... pump on and circulate through system for 15 minutes and then spray out through handgun nozzle Refill sprayer half way with clean water and repeat Follow the chemical manufacturer s disposal instructions of all wash or rinsing water If handgun nozzle needs cleaning remove from the sprayer and soak in warm soapy water Clean with a soft bristled brush or toothpick if necessary Never use a metal obje...

Страница 3: ... defective check valve Check for clogged strainer filter Check for cracks in the pump housing Check for empty product supply Low Pressure Low Flow Check for leaks in the discharge line Check for restriction in the discharge line Check for debris in nozzle orifice Check for clogged strainer Check for proper voltage try another 12 volt battery Pulsating flow surging Low flow may cause pump to surge ...

Страница 4: ...e replaced If it still doesn t run try bypassing the switch in the lead wire or using another lead wire Even if a tester shows power to the pressure switch it still could be the switch in the wire that is causing the problem If still not responsive use a voltmeter or electrical tester to make sure you are getting power to the head of the pump as it could possibly be something in one of the wires o...

Страница 5: ...Page 5 Exploded View Parts List LG 28 S 5301063 Intake Assembly 5281145 ...

Страница 6: ...btain warranty service under this Limited Warranty you must 1 provide written notice to Fimco Ind of the defect during the Warranty Period and within thirty 30 days after the defect becomes apparent or the repair becomes necessary at the following address Fimco Ind 1000 Fimco Lane North Sioux City SD 57049 and 2 make the Equipment available to Fimco Ind or an authorized dealer within a reasonable ...

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