Fimco LG-25-7N-ATV - User Manual

The FIMCO LG-25-7N-ATV sprayer is designed for applying liquids to lawns and gardens, and is specifically built to be mounted on an ATV. It utilizes a 12-volt diaphragm pump to draw solution from a corrosion-resistant polyethylene tank and deliver it under pressure to either a handgun or a 7-nozzle boom assembly. The boom assembly provides a wide spray coverage for efficient application over larger areas, while the handgun allows for more targeted spraying. The system includes an "ON/OFF" valve at the tank inlet to control fluid flow, a pressure gauge for monitoring, and a bypass line valve for adjusting pressure and recirculating solution back into the tank. The sprayer is intended for use with various chemicals, provided the user adheres to chemical label instructions and proper safety precautions.

Important Technical Specifications:

Tank Capacity: 25 Gallons
Tank Material: Corrosion-Resistant Polyethylene
Pump Type: 12 Volt Diaphragm Pump
Pump Performance: 2.4 GPM (Gallons Per Minute) at 60 PSI (Pounds per Square Inch)
Handgun Hose: 20 Ft. (3/8" I.D.)
Spray Throw (Handgun): 25 Ft. Vertical, 40 Ft. Horizontal
Boom Assembly: 7-Nozzle
Boom Spray Coverage: 140 inches
Boom Features: Fold-Away Outer Boom Members
Nozzles: Corrosion-Resistant Nylon Nozzles
Check Valve Strainers: 50 Mesh, 5 PSI
Weight (fully filled with water): 275 lbs. (User must consult ATV owner's manual for load carrying capacity).
Electrical Connection: Lead wire assembly with 15 Amp Fuse and 30 Amp Clips (96" long), connecting to a 12-volt battery.

Usage Features:

ATV Mounting: Designed for mounting on an ATV, with brackets (5278222) secured to the underside of the tank and boom mounting brackets (5038872) attached with cam handles. Ratchet straps (not included) are used to secure the unit to the ATV.
Pump Activation: The pump is activated via an On/Off rocker switch on the lead wire assembly ("-" is on, "O" is off).
Pressure Adjustment: Pressure can be adjusted by slowly opening or closing the bypass valve. Opening the bypass valve decreases pressure by recirculating solution to the tank, while closing it increases pressure.
Boom Operation: The 7-nozzle boom (5277780) is bolted to the boom mounting brackets using square U-bolts (5034159) and whiz nuts (5006307). The boom height should be approximately 18-22 inches above the items being sprayed for optimal coverage.
Nozzle Harness: The nozzle harness (5277696) attaches to the boom using nozzle clamps (5277730).
Spray Wand Storage: Hose wraps (5133275) are provided on the tank for snapping in the spray wand when not in use.
Calibration: The manual includes a speed chart and spray tip rate chart (20" spacing) to assist in calibrating the sprayer for specific application rates (gallons per acre, gallons per 1000 square feet) based on spraying pressure (PSI) and speed (MPH).
Safety Warnings: The manual emphasizes reading and understanding the operator's manual before use, warns about the sprayer's weight when full, and includes a California Proposition 65 warning regarding cancer and reproductive harm. It also warns against using the pump in explosive environments or with flammable/combustible fluids.

Maintenance Features:

Pre-Use Testing: It is crucial to test the sprayer with plain water before using chemicals to check for leaks and proper operation.
Strainer Cleaning: Periodically check and clean the screen on the intake line.
Check Valve Cleaning: Instructions are provided for cleaning the check valve if the pump experiences low pressure or fails to prime. This involves removing the pump head and gently scrubbing the check valve with soapy water.
Filter/Screen Cleaning: The sprayer has a filter/screen located at the intake shut-off valve. Instructions detail how to shut off the valve, unscrew the knurled nut, swivel the intake assembly, remove the screen, clean it, and reassemble.
Post-Use Cleaning: After each use, the tank should be drained, and the entire plumbing system (tank, pump, boom, handgun) should be flushed with clean water, preferably with a tank cleaner like FIMCO Tank Neutralizer and Cleaner, or dish soap. This prevents chemical residue buildup and damage to pump valves. Nozzles should be removed and soaked in warm soapy water if cleaning is needed, using a soft brush or toothpick.
Winter Storage: For end-of-season storage, RV antifreeze should be run through the entire system to lubricate internal parts, protect against corrosion, and prevent freezing damage. Any remaining antifreeze should be left in the tank. Before next use, the antifreeze should be drained, and the system flushed with fresh water.
Cam Lock Handle Release: When storing, release the Cam Lock Handles on the QR brackets to prevent deforming the mechanism. Do not store the boom in a vertical position using the QR bracket cams.
Troubleshooting Guide: A comprehensive troubleshooting section covers common issues such as the pump not running, low pressure/low flow, pump surging, pump continuously running after discharge is shut off, and fuse blowing, offering potential causes and solutions.
Pump Replacement Parts: The manual includes an exploded view and parts list for the pump (Model: 5281371), detailing available replacement components for maintenance and repair.
Warranty: The product comes with a limited warranty: one year for the sprayer and two years for the High-Flo High Performance pump for homeowner usage; 90 days for both sprayer and pump for commercial usage. The warranty covers defects in material and workmanship from the date of purchase, provided a copy of the receipt is retained for validation.