Fimco BK-120 User manual

Page 1
Model: BK-120
(5300886)
(3-Nozzle Boom Assembly)
Technical Specifications
 3-Nozzle Boom Assembly
(120” Spray Coverage)
 Corrosion-Resistant Nylon Nozzles
 Check Valve Strainers, 50 Mesh, 5 PSI
Assembly Instructions
Remove the parts to the boom assembly from the carton.
Refer to the parts list and exploded view drawing to help
identify all the components.
Follow the steps on pages 2 and 3 to properly assemble the
sprayer.
(Tank NOT Included
with Boom Kit)
www.fimcoindustries.com
1000 FIMCO Lane, P.O. Box 1700, North Sioux City, SD 57049
Toll Free Phone: [phone] : Toll Free Fax: [phone]
[5004460 (11/18)]
General Information
Thank you for purchasing this product. The purpose of this
manual is to assist you in operating and maintaining your
boom assembly.
Retain a copy of your receipt for your unit,
as it will be required to validate any warranty service
Products are warranted against manufacturer or workmanship
defects for one year from date of purchase for home owner
usage and 90 days for commercial usage.
For technical assistance, 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.
OWNER’S MANUAL

Page 2
Assembly Procedure (BK-120 Boom Kit)
Step 1
Normally, the sprayer will be mounted on an ATV with the pump
assembly at the operator’s back. Right Hand (RH) and Left Hand
(LH) sides of the sprayer are determined as if you are standing
behind the sprayer, looking at it (facing forward)
A 1/2” socket or wrench is required for this step.
(**) Mount the tank-to-boom brackets to the underside of the tank
as shown in Step 1. Use (4) bolts to secure to the tank.
Do not over-tighten.
After you have attached the brackets to the tank, place the spray-
er onto the carrier rack of the ATV. Use your own hardware to
secure the tank mount to the rack. Tie straps would work well, if
you choose.
Step 2
A 1/2” socket or wrench is required for this step.
Aer you secure your sprayer to the ATV, aach the
boom mount brackets to the tank-to-boom brackets.
Secure in place using (2) bolts and (2) whiz nuts .
Step 3
Center the boom onto your boom mounts and secure in
place using (2) u-bolts and (4)whiz nuts .
The boom can be posioned as shown or in a few alter-
nate posions.
DETAIL B
Step 1
Step 3
Step 2
DETAIL B: Shows the con-
figuration as you would
attach to a (quick connect)
pump mounted to the side
of your tank and has the
manifold assembly off the
outlet side of your pump.
Step 4
An additional set of plumbing fittings may be included with your boom
kit. These may or may not be used. If so, locate the place on your
tank for the best position to drill or punch the hole for your bypass
hose or tube on top of your tank, without causing kinks.
Detail A, a 7/8” diameter hole (approx.).
Detail B, a 13/16” diameter hole (approx.).
Refer to Page 5
for Part Numbers
DETAIL A
Feeder Hose
Connection
Handgun Hose
Connection
DETAIL A: Is for a 12V pump that has a quick connect,
mounted to the “top” of your tank.
Handgun Hose
Connection

Page 3
Testing the Sprayer
NOTE: It is VERY important for to test your sprayer with plain water
before actual spraying is attempted. This will enable you to check for
leaks without the possibility of losing any expensive chemicals.
Fill the tank about 1/2 full with plain water. When you are ready to
spray, turn the boom valve to the “on” position. This will start solution
spraying from the tips of the boom. The pressure will decrease
slightly when the boom is spraying. Adjust the pressure by turning
the “ON/OFF” valve lever on the bypass line valve.
Read the operating instructions and initially begin spraying by closing
the ‘bypass’ valve and opening the boom line valve. This will enable
the air in the line to be eliminated (purged) through all the tips, while
building pressure. When everything tests all right (no leaks and good
pressure), add the desired chemicals to the mixture and water
combination and start your spraying operation. Adjust the pressure
and spray as you did in the testing procedure.
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!
Calibration
Chemical labels may show application rates in gallons per acre,
gallons per 1000 square feet or gallons per 100 square feet. You will
note that the tip chart shows all 3 of these rating systems.
Once you know how much you are going to spray, then determine
(from the tip chart) the spraying pressure (PSI), and the spraying
speed (MPH).
Determining the proper speed of the pulling vehicle can be done by
marking off 100, 200 & 300 feet. The speed chart indicates the
number of seconds it takes to travel the distances. Set the throttle
and with a running start, travel the distances. Adjust the throttle until
you travel the distances in the number of seconds indicated by the
speed chart. Once you have reached the throttle setting needed,
mark the throttle location so you can stop and go again, returning to
the same speed.
Add water and proper amount of chemical to the tank and drive to the
starting place for spraying.
Using the Boom Nozzles
Four things must be considered before spraying with the boom.
 How much chemical must be mixed in the tank.
 Rate of spray (gallons per acre to be sprayed).
 What pressure (p.s.i.) will be used.
 Speed traveled (mph) while spraying.
 Refer to the chemical label to determine your chemical mixture
 See the tip chart to determine the pressure to be used. The chart
will also show the speed used when spraying.
Operation
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.
 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)
Step 5
Aer your boom is aached to the boom mount brackets,
locate the 48” hose and the (2) hose clamps.
Place the hose clamps over each end of the hose loosely.
Route the hose under or over the unit to the back end of
the sprayer. Slip the ends of the hose over the hose barb on
the manifold and the ‘CROSS’ ng on the nozzle harness.
Use a twisng moon, if necessary, to get the hose fully
onto each barb. Bring the hose clamps to the connecon
points and ghten securely.
NOTE:
Make sure this boom feeder hose does not end up on
the ‘outside’ of the spray wand hose (if applicable),
otherwise unwrapping the spray wand hose from
around the tank may be difficult.
Step 5
Speed in M.P.H.
(Miles Per Hour)
100 Ft. 200 Ft. 300 Ft.
1.0 68 sec.
2.0 34 68 102
3.0 23 45 68
4.0 17 34 51
5.0 14 27 41
6.0 11 23 34
7.0 9.7 19 29
8.0 8.5 17 26
Speed Chart
Time Required in seconds to travel a distance of

Page 4
Tip Chart for TKT-VP2, TF-VP2 & 30DT2.0 Tips
Tip
No.
(Color)
Pressure
(psi)
Capacity
(GPM)
Gallons Per Acre - Based on Water
1
MPH
2
MPH
3
MPH
4
MPH
5
MPH
7.5
MPH
10
MPH
2
(Red)
10 .20 29.6 14.8 10.0 7.4 5.9 4.0 3.0
20 .28 41.6 20.8 13.8 10.4 8.3 5.6 4.2
30 .35 52.0 26.0 17.4 13.0 10.4 7.0 5.2
40 .40 59.6 29.8 19.8 14.9 11.9 8.0 5.9
Tip
No.
(Color)
Pressure
(psi)
Capacity
(GPM)
Gallons Per 1000 Sq. Ft. - Based on Water
1
MPH
2
MPH
3
MPH
4
MPH
5
MPH
7.5
MPH
10
MPH
2
(Red)
10 .20 .677 .340 .225 .170 .135 .092 .069
20 .28 .953 .478 .317 .239 .191 .129 .096
30 .35 1.194 .597 .397 .298 .239 .158 .119
40 .40 1.377 .689 .459 .342 .273 .181 .135
Tip
No.
(Color)
Pressure
(psi)
Capacity
(GPM)
Gallons Per Acre - Based on Water
1
MPH
2
MPH
3
MPH
4
MPH
5
MPH
7.5
MPH
10
MPH
2
(Red)
10 .20 .068 .034 .023 .017 .014 .009 .007
20 .28 .095 .048 .032 .024 .019 .013 .010
30 .35 .119 .060 .040 .030 .024 .016 .012
40 .40 .138 .069 .046 .034 .027 .018 .014
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 nozzles.
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
boom and handgun nozzles. Refill sprayer half way with clean water
and repeat. Follow the chemical manufacturer’s disposal instructions
of all wash or rinsing water.
If boom or handgun nozzles need cleaning, remove them 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 tips 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. 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 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.
Opposite side has typical
hardware setup
3-Nozzle Boom Assembly
See Next Page for Part Numbers
Nozzle Assemblies
ELL
Nozzle
CROSS
Nozzle
Clamp

Page 5
See Boom Assembly
Breakdown Previous Page
Exploded View/Parts List:
BK-120 (5301918)
Manifold
Detail
#5302791
Based on the minimum overlap required to obtain uni-
form distribution with 120° tips and 40” spacing.
Suggested Minimum Spray Height: 18”-20” above what
is being sprayed (to plant, not ground).
Optimum Spray Height: 39”
Wide angle spray nozzle height is influenced by nozzle
orientation. The critical factor is to achieve a minimum
30% overlap.
 Excellent spray distribution for uniform coverage
along the boom.
 Nozzle design incorporates a pre-orifice to produce
larger droplets for less drift.

Page 6
LIMITED WARRANTY FOR NEW FIMCO, IND. EQUIPMENT
WHO MAY USE THIS LIMITED WARRANTY. This limited warranty (the “Limited Warranty”) is provided by Fimco, Ind. to the original purchaser
(“you”) of the Equipment (as dened below) from Fimco, Ind. or one of Fimco, Ind.’s authorized dealers. This Limited Warranty does not apply to
any subsequent owner or other transferee of the Equipment. THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO
HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.
WHAT THIS LIMITED WARRANTY COVERS AND FOR HOW LONG. Fimco, Ind. warrants that any new Equipment will be free from defects in
material and workmanship for a period of one (1) year (homeowner), 90 days (commercial user), aer delivery of the Equipment to you (the
“Warranty Period”). The Warranty Period is not extended if Fimco, Ind. repairs or replaces the Equipment.
WHAT IS NOT COVERED BY THIS LIMITED WARRANTY. This Limited Warranty does not apply to: (1) used Equipment; (2) any Equipment that has
been altered, changed, repaired or treated since its delivery to you, other than by Fimco, Ind. or its authorized dealers; (3) damage or deprecia-
on due to normal wear and tear; (4) defects or damage due to failure to follow Fimco, Ind.’s operator’s manual, specicaons or other wrien
instrucons, or improper storage, operaon, maintenance, applicaon or installaon of parts; (5) defects or damage due to misuse, accident or
neglect, “acts of God” or other events beyond Fimco, Ind.’s reasonable control; (6) accessories, aachments, tools or parts that were not manu-
factured by Fimco, Ind., whether or not sold or operated with the Equipment; or (7) rubber parts, such as res, hoses and grommets.
HOW TO OBTAIN WARRANTY SERVICE. To obtain warranty service under this Limited Warranty, you must (1) provide wrien noce to Fimco,
Ind. of the defect during the Warranty Period and within thirty (30) days aer 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 me. For more informaon about this Limited Warranty, please call: 800-831-0027.
WHAT REMEDIES ARE AVAILABLE UNDER THIS LIMITED WARRANTY. If the condions set forth above are fullled and the Equipment or any part
thereof is found to be defecve, Fimco, Ind. shall, at its own cost, and at its opon, either repair or replace the defecve Equipment or part.
Fimco, Ind. will pay for shipping and handling fees to return the repaired or replacement Equipment or part to you.
LIMITATION OF IMPLIED WARRANTIES AND OTHER REMEDIES. THE REMEDIES DESCRIBED ABOVE ARE YOUR SOLE AND EXCLUSIVE REMEDIES,
AND FIMCO, IND.’S SOLE LIABILITY, FOR ANY BREACH OF THIS LIMITED WARRANTY. TO THE EXTENT APPLICABLE, ANY IMPLIED WARRANTIES,
INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE LIM-
ITED IN DURATION TO THE WARRANTY PERIOD, AND THE REMEDIES AVAILABLE FOR BREACH THEREOF SHALL BE LIMITED TO THE REMEDIES
AVAILABLE UNDER THIS EXPRESS LIMITED WARRANTY. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY
LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. IN NO EVENT SHALL FIMCO, IND.’S LIABILITY UNDER THIS LIMITED WARRANTY EX-
CEED THE ACTUAL AMOUNT PAID BY YOU FOR THE DEFECTIVE EQUIPMENT, NOR SHALL FIMCO, IND. BE LIABLE, UNDER ANY CIRCUMSTANCES,
FOR ANY CONSEQUENTIAL, INCIDENTAL, SPECIAL OR PUNITIVE DAMAGES OR LOSSES, WHETHER DIRECT OR INDIRECT. SOME STATES DO NOT
ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT
APPLY TO YOU.
Warranty