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Page 8 

 

DO

 

 

Clean and rinse your pump after each use with Fimco Tank 
Neutralizer 

 

Winterize your pump or sprayer by rinsing, draining and  
running RV Antifreeze through it before storing for the winter. 

 

Use clean water for your spray mixture 

 

Store inside a building when not in use. 

DON’T

 

 

Use to pump bleach. 

 

Use to pump petroleum products such as diesel fuel,    
gasoline or kerosene 

 

Leave your pump sit with spray mixture in it for extended 
periods 

 

Use dirty or unfiltered water for spraying 

Troubleshooting the Pump: 

Motor does not run: 

 

Check for loose wiring connection(s). 

 

Make sure the 'ON/OFF' switch in the lead wire assembly 

is in the 'ON' position. "I" is the 'ON' position and 'O' is 

the 'OFF' position. 

 

Check for defective pressure switch. Make sure you are 

connected to a good  12 volt power source. Make sure 

any on/off switches are in the 'on' position.  Remove the 

cap to the pressure switch. Pull both red wires off of their 
terminals, and touch the two ends together. If your pump 

runs when you do this, your   pressure switch will need to 

be replaced. 

 

Check the fuse. 

 

Check for low voltage at the power supply. 

 
Pump does not prime: 

 

Check for air leaks in supply line. 

 

Check for debris in the check valve assembly. 

 

Check for 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. 

 

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—

adjust a quarter turn at a time clockwise until surging 
stops. 

 

Check for defective pressure switch. 

 

Check for leaks in the discharge line. 

 

Check for restriction in the discharge line. 

 

Check for debris in nozzle orifice. 

 

Discharge hose may be too long. 

 

Check for clogged strainer. 

 

Motor continues to run after discharge is shut off: 

 

Check for empty product supply. 

 

Check for open bypass valve. (if equipped) 

 

Check for low voltage. 

 

Check for leak in discharge line. 

 

Check for defective pressure switch. 

 

System has leaks. 

 

Fuse blows: 

 

Excessive voltage. 

 

Improper adjustment of pressure switch. 

 

Damaged or defective wiring harness. 

 

Half-moon & counterweight are sticking. 

 

Defective pressure switch. 

Replacement Pump:  5151088 

Includes:   

1/2” MNPT Port Kit Fitting #5168832 

1/2” Hose Barb Port Kit Fitting #5168833 

Pump Model:  5281372 

4.5 GPM, 60 PSI 

Available Replacement Parts 

Summary of Contents for LG-25-BL-ATV

Page 1: ...the inlet location of the tank towards the underside See Detail A You must make 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 fimcoindust...

Page 2: ...rayer s carton LG 25 BL ATV 5302952 Contents of Parts Bag 5281094 Contents of Bracket Kit 5278138 Wet Boom Sub Assembly 5275712 Lid w Lanyard 5058188 Tank Plumbing Pre Assembly Owner s Manual End Nozzle 5275122 Pkg of 2 5275713 ...

Page 3: ...nd beyond the back of the tank are facing you and just hanging over the edge of the table or flat surface you are assembling this on Secure the boom mounting brackets 5038873 to the tank mounting brackets with Cam handles as shown in Detail A You can position them as needed within the slot on the bracket Just be sure that the surfaces of both brackets are even with each other You are now ready to ...

Page 4: ...heck valve diaphragm can fall out during transport if the knob is not turned to the ON or OFF position Step 4 Assembly Procedure LG 25 BL ATV 1 Start by sliding Item 4 3 2 onto the boom tube Item 1 as shown leaving about 1 2 to 3 4 between the end of the boom tube and Item 2 Make sure the Long portion of Item 3 is facing the nozzle end 2 Slide the complete end nozzle assembly onto the stainless st...

Page 5: ...hose from around the tank may be difficult Detail A Install the pressure gauge Hand tighten securely DO NOT OVER TIGHTEN Detail B Screw the lid onto the tank Place the end of the lanyard through the tab in the tank This is so the lid can hang off the tank when filling rinsing the tank out Detail C Locate the 2 hose wraps and 4 phillips head machine screws from the parts bag A phillips head screwdr...

Page 6: ...Finish filling tank to proper level Turn the pump on and by depressing the side of the rock er switch 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 Handgun lever is squeezed to spray the handgun Boom valve is opened to broadcast spray with the boom By...

Page 7: ...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 Make sure to operate the boom and handgun until you see pink fluid spraying from the nozzles 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...

Page 8: ...r 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...

Page 9: ...priming and you ve checked your filter screen and it s clean and you ve gone through the other trouble shooting tips you may need to clean the check valve Remove the head of the pump which is held on by 7 screws The first piece inside the head of the pump is called a check valve it s the part responsible for building up pressure and pumping water solution through the lines Clean the check valve un...

Page 10: ...Page 10 Exploded View Parts List LG 25 BL ATV 5302952 Intake Detail 5275877 Manifold Detail 5278781 ...

Page 11: ...Page 11 Boomless Wet Boom Assembly End Nozzle Assembly 5275122 Center Nozzle Assembly 5275123 ...

Page 12: ...obtain 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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