Fimco LG-25-SM Owner's Manual
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OWNER’S MANUAL
Model: LG-25-PM
(5301146)
Model: LG-25-SM
(5301147)
(25 Gallon Lawn & Garden Spot Sprayers)
LG-25-SM Shown
Technical Specifications
25 Gal. Corrosion-Resistant Polyethylene Tank
12 Volt Diaphragm Pump, 2.1 g.p.m.—60 psi
15 Ft. Handgun Hose (3/8” I.D.)
Pressure Gauge (Adjustable Pressure)
Bypass (Recirculation) Line
Assembly Instructions
Your sprayer has been mostly assembled at the factory. One requirement will before you to hook up your battery leads to a fully charged 12 Volt battery. The red wire must be connected to the “hot” lead and the black wire should be connected to the ground.
Remove the handgun clips from the parts bag and place them onto the tank as shown.
Remove the Pressure Gauge from the parts bag and thread it into the manifold assembly. Use a good grade of thread sealant or plumber’s tape to ensure no leaks.
CAUTION: Always check the vehicle load rating before using this sprayer. Do not exceed the recommended rating.
***IMPORTANT REMINDER***
147753
General Information
Thank you for purchasing this product. The purpose of this manual is to assist you in operating and maintaining your lawn
& garden/ATV sprayer. Please read it carefully, as it furnishes information which will help you achieve years of trouble-free operation.
Warranty
Products are warranted for one year from date of purchase against manufacturer or workmanship defects for home owner usage and 90 days for commercial usage.
For technical assistance, visit our website @ www.fimcoindustries.com or call: TOLL FREE @ 1-800-831-0027
Our Technical Support Representatives will be happy to help you.
To obtain prompt, efficient service, always remember to give the following information…
Correct Part Description and/or part number
Model #/Serial # of your sprayer
Part descriptions and numbers can be obtained from the illustrated parts list section(s) of this manual.
www.fimcoindustries.com
1000 FIMCO Lane, P.O. Box 1700, North Sioux City, SD 57049
Toll Free Phone: 800-831-0027 : Toll Free Fax: 800-494-0440
[5004805 (03/15)]
Page 1
Pump Model: 5277981
Available Replacement Parts
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
Pump Specifications
Current:
Check Valve:
4.5 Amps @ 30 PSI
Viton
Wetted Parts Housing: Polypropylene
Diaphragm: Santoprene
Liquid Temperature: 130° F max.
GPM=Gallons Per Minute
PSI=Pounds per Square Inch
DC=Direct Current
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.
Pulsating flow (surging):
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 or dirty check valve.
Check for defective pressure switch.
Page 2
Testing the Sprayer
NOTE:
It is VERY important for you to test your sprayer with plain water before actual spraying is attempted. This will enable you to check the sprayer for leaks without the possibility of losing any expensive chemicals.
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
Your sprayer is equipped with (1) ON/OFF switch in the wire assembly that you hook up to your battery. The “-” is the “ON” position and the “o” is the “OFF” position for the switch. Make sure the switch is depressed in the “-” position for operation.
The pump is equipped with a pressure switch that is factory pre-set for it to shut off at 60 p.s.i. This switch assembly is the ‘square box’ on the head portion of the pump.
Always fill the tank 1/2 full with water first and then add the chemical slowly, mixing as you pour the chemical into the tank and then fill the rest of the way. You may use the bypass in order to mix the chemical and water.
The pumping system draws solution from the tank, through the strainer/ filter and to the pump. The pump forces the solution under pressure to the handgun.
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)
After Spraying
After use, fill the sprayer tank part way with water. Start the sprayer and allow the clear water to be pumped through the plumbing system and out through the spray nozzle. Refill the tank about half full with plain water and use FIMCO Tank Neutralizer and Cleaner and repeat cleaning instructions above. Flush the entire sprayer with the neutralizing/cleaning agent, then flush out one more time with plain water. Follow the chemical manufacturer’s disposal instructions of all wash or rinsing water.
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
Drain all water out of your sprayer, paying special attention to the pump, handgun and valve(s). These items are especially prone to damage from chemicals and freezing weather.
The sprayer should be winterized before storage by pumping a solution of RV antifreeze through the entire plumbing system.
This antifreeze solution should remain in the plumbing system during the winter months. When spring time comes and you are preparing your sprayer for the spray season, rinse the entire plumbing system out, clearing the lines of the antifreeze solution. Proper care and maintenance will prolong the life of your sprayer.
Intake/Siphon Tube/Screen Detail of a Typical L&G/ATV Sprayer (not including the ‘EC’Units)
‘Cut’ View of a ‘Typical’ Tank
(looking inside)
The suction line of your sprayer should contain a ‘siphon tube’ or intake tube which should be rotated so that it just touches the bottom of the tank surface. (see Detail Views). Reach in and rotate it, as needed, if not already in this position.
A nylon shut-off valve is threaded onto the pipe nipple at the intake location on the tank. It is at this location so you can shut off the flow of solution to access your system’s screen for cleaning.
Checking/Cleaning the sprayer’s filter/screen:
Start your pump and before it shuts off, reach down and Shut the nylon valve to the ‘Closed’ position (lever is perpendicular to the flow of fluid), then shut off your pump.
Unscrew the knurled nut from the shut-off valve, leaving the valve connected to the tank.
Swing (swivel) the intake assembly towards you. Look in the nut you JUST unscrewed. There is a screen/washer there.
Remove the screen and clean as necessary. Replace when done and reassemble the entire assembly.
Make sure the valve is turned to the ‘Open’ position before restarting your pump.
Page 3
Exploded View/Parts List:
LG-25-PM (5301146)
LG-25-SM (5301147)
Page 4
Intake Assembly
5275877
Manifold Assembly
5302348

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