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Model: 

LG-50-TRL-PRO 

(5302928) 

(50 Gallon Professional 

Lawn & Garden 

Trailer Sprayer

)

 

Assembly Instructions 

 Make  sure  the  contents  of  the  sprayers  carton  match  the 

items shown on page 2 of the manual. 

 

 Follow  the  steps  on  pages  3,  4  &  5  to  properly  assemble 

the sprayer. 

 

 After assembly is complete and before testing your sprayer, 

connect the wiring harness to the rear of the pump. Clip the 

alligator clip ends to a fully charged 12 Volt battery.  

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 

[5194543   

 

 

 

 

 

(11/20)] 

Professional Grade Pump (4.0 GPM):  

 

Ideal for Harsh Chemicals & Oil  

 

Based Chemicals with Surfactants 

 

Long Range 22” PRO SERIES Handgun 

 

38’ Horizontal Spray & 27’ Vertical 

 

 

 

 

 

 

Roundup® Ready 

Technical Specifications 

 

50 Gal. Corrosion-Resistant Polyethylene Tank 

 

Pro Series 4.0 GPM, 45 PSI, 12 Volt Pump 

 

7-Nozzle Adjustable Height Boom (140” Spray Coverage)

 

 

Fold-Away Outer Boom Members

 

 

Drift Reducing Corrosion-Resistant Nozzles

 

 

 

with “No-Drip” Check Valve Strainers

 

 

18 x 8.5 x 8 Turf Tires

 

 

Multi-Lid

 

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 representatives will be happy to help you. 

In most cases a customer service rep. can resolve

the problem over the phone.

To obtain prompt, efficient service, always remember to give the 

following information....

• Correct Part Description and/or part number

• Model number and Serial Number

Part descriptions and numbers can be obtained from the

illustrated parts list section(s) of this manual.

General Information 

Thank you for purchasing this product. The purpose of this 

manual is to assist you in operating and maintaining your lawn 

& garden Trailer sprayer.  

Retain a copy of your receipt for your unit, as it will be required 

to validate any warranty service. 

 

Warranted against manufacturer or workmanship defects from 

date of purchase with copy of receipt: 

 

Homeowner Usage: One Year. 

 

Commercial Usage: 90 Days.

 

Summary of Contents for 5302928

Page 1: ...ant Nozzles with No Drip Check Valve Strainers 18 x 8 5 x 8 Turf Tires Multi Lid 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 represe...

Page 2: ...e 2 1 x 32 Axle Shaft Turf Tires Contents of your sprayer s carton LG 50 TRL PRO Tank Plumbing Pre Assembly Owner s Manual Tongue Assembly 7 Nozzle Boom Boom Mount Kit 5281303 Contents of Parts Bag 5281302 ...

Page 3: ...k connect already attached Assembling the tongue to the frame Locate the 2 bent clevis pins from the parts bag Slide the preassembled tongue into the receiver of the main frame and lock in place with one bent clevis pin securing with the clip See Detail A Insert the other bent clevis pin into the hole in the hitch and secure with clip Detail A Step 1 Step 2 Detail B Detail C Step 3 Locate axle 2 1...

Page 4: ...up to the tank Secure the holders in place Do Not Over Tighten Wrap the hose and slip in the handgun Install the pressure gauge Hand tighten securely DO NOT OVER TIGHTEN Step 4 Step 5 Step 6 Locate the 2 boom mount brackets 4 5 16 18 x 9 16 x 2 3 16 square u bolts and 8 5 16 18 hex whiz nuts Mount the boom mount brackets on the upright boom arms as shown You can position them as needed just be sur...

Page 5: ...ached Attach the nozzle harness to the boom Starting with the center nozzle center the nozzle har ness on the boom and then work out to the ends on both sides using the nozzle clamps attach the harness to the boom as shown in DETAIL Clamp Af ter your nozzle harness is attached to the boom attach the feeder hose with a hose clamp to the center nozzle Place the hose clamp over the end of the hose lo...

Page 6: ...n 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 rock er switch The pump is equipped with a pressure switch that...

Page 7: ...e flow rate and spray distribution Water rinse and dry the tips before storing NOTE The wheels have grease zerks for bearings Once a year new grease a NGLI No 2 lithium grease should be added to each wheel 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 ...

Page 8: ...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 Pulsating flow surging Check for defective pressure switch Check for leaks in the discharge line Check for restriction in the di...

Page 9: ...Page 9 Exploded View LG 50 TRL PRO 5302928 See Next Page for Parts List Bulkhead Fittings See Boom Assembly Parts List Page 11 See Plumbing Detail Next Page ...

Page 10: ...es with an On Off shut off valve located just before the strainer You must make sure the valve is in the open position before using your sprayer Manifold Detail Plumbing Detail Parts List LG 50 TRL PRO 5302928 Intake Assembly ...

Page 11: ...ips and 20 spacing Suggested Minimum Spray Height 16 18 above what is being sprayed to plant not ground Optimum Spray Height 20 110 wide tapered flat spray angle with air induction tech nology for better drift management Made of 2 piece UHMWPE polymer construction which provides excellent chemical resistance including acids as well as exceptional wear life Compact size to prevent tip damage Excell...

Page 12: ...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 period of time For more information about this Limited Warrant...

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