AG SHIELD Flexicoil PT Service manual

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OPERATOR S HANDBOOK
AND PARTS MANUAL
GROUND FOLLOWING SYSTEM
FOR Flexicoil PT sprayers
Ag Shield Manufacturing
Box 9, Benito, Manitoba R0L 0C0
phone 800 - 561 - 0132 or 204 - 539 - 2000
fax 204 - 539 - 2130
e- mail address [email protected]
Pl ease visit web site at http \\ www.agshield.com
Printed in Canada May 3, 2007 REV 2 - Part No 236095

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Table of Contents
1 INTRODUCTION AND SIGN - OFF FORM ............................................ 4
2 SAFETY ................................................................................................ 5
2.1 SAFETY OVERVIEW ......................................................................................................................................... 6
2.2 GENERAL SAFETY ........................................................................................................................................... 6
2.3 OPERATING SAFETY ....................................................................................................................................... 7
2.4 CHEMICAL SAFETY .......................................................................................................................................... 8
2.5 MAINTENANCE SAFETY .................................................................................................................................. 9
2.6 HYDRAULIC SAFETY ....................................................................................................................................... 9
2.7 TRANSPORT SAFETY .................................................................................................................................... 10
2.8 STORAGE SAFETY ......................................................................................................................................... 10
2.9 REFUELING SAFETY ...................................................................................................................................... 10
2.10 TIRE SAFETY ............................................................................................................................................... 10
2.11 Safety Decals ................................................................................................................................................ 11
3 GFS installation ................................................................................... 12
3.1 Flexicoil installation .......................................................................................................................................... 19
4 GFS (GROUND F OLLOWING SYSTEM) OPERATIONS .................. 21
4.1 OPEN CENTER OPERATION(option) ............................................................................................................. 22
4.2 GFS Hydraulic Pressure Adjustments .............................................................................................................. 22
4.3 GFS Tire Pressures .......................................................................................................................................... 22
4.4 2006 plus GFS Controls ................................................................................................................................... 23
4.4.1 Adjusting the GFS time delay ................................................................................................................... 23
4.5 GFS Trouble Shooting ...................................................................................................................................... 24
5 GFS PARTS ........................................................................................ 25
5.1 GENERIC GFS KIT 23600 0 ............................................................................................................................. 25
5.1.1 GFS GENERIC HYDRAULIC MODULE 227710 ...................................................................................... 26
5.1.2 GFS HYDRAULIC SCHEMATIC .............................................................................................................. 27
5.1.3 GFS GENERIC ELECTRICAL MODULE 227711 .................................................................................... 28
5.1.4 G FS CAB CONTROL BOX ....................................................................................................................... 29
5.2 Flexicoil 67 Specific GFS Parts Castor wheels - unshielded .......................................................................... 30
5.3 Flexicoil 67 Specific GFS Parts not castor wheels unshielded .................................................................... 31
6 WARR ANTY ....................................................................................... 32
6.1 WARRANTY CLAIM FORM ............................................................................................................................. 33

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1 INTRODUCTION AND SIGN - OFF FORM
Congratulations! on your choice of an Ag Shield Ground Following System. This equipment has been designed
and manufactured to meet the spraying needs of the discerning farmers and custom applicators.
OPERATOR ORIENTATION - The directions left, right, front and rear, as mentioned throughout this manual, are
as seen from the tractor driver's seat and facing in the normal direction of travel.
Ag Shield follows the general safety standards specified by the American Society of Agricultural Engineers (ASAE)
and the Occupational Safety and Health Administration (OSHA). Anyone who will be operating and/or maintaining the
Ag Shield Spray er must read and clearly understand ALL Safety, Operating, and Maintenance information presented
in this manual.
Do not operate or allow anyone else to operate this equipment until such information has been reviewed. Review this
information annually befor e season start - up. Make these reviews of safety and operation a standard practice for all of
your equipment. An untrained operator is not qualified to operate this machine.
A sign off sheet is provided for your record keeping proving that all personnel w ho will be working with the equipment
have read and understood the information in the Operators Handbook and have been instructed in the use of the
equipment.
SIGN - OFF FORM
DATE OPERATORS SIGNATURE EMPLOYERS SIGNATURE

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2 SAFETY
SAFETY ALERT SYMBOL
This Safety Alert symbol means:
ATTENTION! BECOME ALERT!
YOUR SAFETY IS INVOLVED!
The Safety Alert symbol identifies important
safety messages on the Ag Shield Field Sprayer
And in th e manual. When you see this symbol,
be alert to the possibility of personal injury or
death. Follow the instructions in the safety
message.
Accidents Disable and Kill
3 Big Reasons Accidents Cost
Accidents Can Be Avoided
SIGNA L WORDS:
Note the use of the signal words DANGER, WARNING
and CAUTION with the safety messages. The
appropriate signal word for each message has been
selected using the following guide - lines:
DANGER - Indicates an imminently hazardous
situation that, if not avoided, will result
in death or serious injury. This signal
word is to be limited to the most
extreme situations typically for machine
components, which for functional
purposes, cannot be guarded.
WARNING - Indicates a potentially hazardous
situation that, if not avoided, could
result in death or serious injury, and
includes hazards that are exposed
when guards are removed. It may also
be used to alert against unsafe
practices.
CAUTION - Indicates a potentially hazardous
situation that, if not avoided, could
result in minor injury. It may also be
used to alert against unsafe practices.

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2.1 SAFETY OVERVIEW
YOU are responsible for the SAFE operation and
maintenance of your Ag Shield Sprayer. YOU must
ensure that you and anyone else who is going t o
operate, maintain or work around the Sprayer be
familiar with the operating and mainte nance
procedures and related SAFETY informa tion
contained in this manual. This manual will take you
step - by - step through your working day and alerts you
to all good s afety practices that should be adhered to
while operating the Sprayer.
1 Remember, YOU are the key to safety. Good
safety practices not only protect you but also the
people around you. Make these practices a
working part of your safety program. Be certain
t hat EVERYONE operating this equipment is
familiar with the recommended operating and
maintenance procedures and follows all the
safety precautions. Most accidents can be
prevented. Do not risk injury or death by ignoring
good safety practices.
Sprayer own ers must give operating instruc tions to
operators or employees before allow ing them to
operate the Sprayer, and at least annually
thereafter per OSHA regulation 1928.57.
The most important safety device on this
equipment is a SAFE operator. It is the op erator's
responsibility to read and understand ALL Safety
and Operating instructions in the manual and to
follow these. All acci dents can be avoided.
A person who has not read and understood all
operating and safety instructions is not quali fied to
oper ate the machine. An untrained operator
exposes himself and bystanders to possible
serious injury or death.
Do not modify the equipment in any way. Un -
authorized modification may impair the func tion
and/or safety and could affect the life of the
equipment .
Think SAFETY! Work SAFELY!
2.2 GENERAL SAFETY
1. Read and understand the
Operator's Manual and all
safety signs before operating,
maintaining, adjusting or
unplugging the Sprayer.
2. Only trained competent persons shall operate the
Sprayer. An untrai ned operator is not qualified to
operate the machine.
3. Have a first - aid kit available
for use should the need
arise and know how to use
it.
4. Have a fire extinguisher
available for use should the
need arise and know how to
use it.
5. Do not allow riders.
6. Wear appropriate
protective gear. This list
includes but is not limited
to:
A hard hat
Protective shoes
with slip resistant
soles
Protective glasses or goggles
Heavy gloves
Wet weather gear
Hearing protection
Respirator or filter mask
7. Stop the engi ne, place all controls in neutral, set
park brake, remove ignition key and wait for all
moving parts to stop before servicing, adjusting,
repairing or unplugging.
8. Read chemical manufacturers warnings, in -
structions and procedures before starting and
follo w them exactly.
9. Find the phone number for the poison control
center for your area.
10. Review safety related items with all personnel
annually.

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2.3 OPERATING SAFETY
1. Read and understand the Operator s Manual and
all safety signs before using.
2. Stop engine place al l controls in neutral, set park
brake, remove ignition key, wait for all moving
parts to stop before servicing, adjusting, repairing
or unplugging.
3. Before spraying a field, be familiar with all potential
hazards: trees, rocks ditches, gullies, etc. Plan
the spraying route to avoid hazards. Keep sprayer
width in mind when maneuvering to avoid
obstacles.
4. Keep hands, feet, hair and clothing away from all
moving and/or rotating parts.
5. Keep all shields and guards in place when
operating.
6. Do not allow ride rs on the sprayer or tractor during
operation or transporting.
7. Clear the area of all bystanders, especially
children, before starting.
8. Stay away from machine when folding booms.
Keep others away.
9. Read chemical manufacturers warnings,
instructions and p rocedures before starting and
follow them exactly.
10. Do not breathe, touch or ingest chemicals. Always
wear protective clothing and follow safe handling
procedures. If you should spill or contact
chemical, wash immediately and discard clothing.
11. Spray on ly when potential for chemical drift is at a
minimum. Shielded sprayers also have some drift.
Even small amounts can affect neighboring crops
or sensitive plants and people.
12. Dispose of chemical containers in a manner
approved by the local authorities.
13. In case of poisoning, get immediate medical
attention.
14. Only rinse sprayer while still in the field. Spray the
rinse thinly over the field already sprayed. Never
contaminate the farmyard or drainage systems
with sprayer rinse.
15. Do not eat in the field wh en spraying.
16. Before applying pressure to the hydraulic system,
make sure all components are tight and that steel
lines, hoses and couplings are not damaged.
17. Before applying pressure to the hydraulic system
make sure that the breakaway cylinder is fully
e xtended, and that no persons are in the arc that
the boom wings swing through.
18. Review safety instructions annually.

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2.4 CHEMICAL SAFETY
1. Some Agricultural chemicals are among the most
toxic substances known to man. Minute quantities
can contaminate clothing, machin ery, the
workplace and the environment. Follow the
chemical manufacturers' instruction exactly. Death
can result from their improper use.
2. Misuse, including excessive rates, uneven ap -
plication, wind drift, and label violations can cause
injury to crops, livestock, persons and the
environment.
3. Before applying chemicals to a field, be familiar
with all potential hazards: trees, rocks, ditches,
gullies, etc. Plan the applica tion route to avoid
hazards. Keep machine width in mind when
maneuvering to avoid obstacles.
4. Do not breathe, touch or ingest chemicals, Always
wear protective clothing and follow safe handling
procedures.
5. Follow the manufacturers' instructions for chemical
storage. Avoid unnecessary storage by purchasing
only the quantity needed for the crop year.
6. Keep all chemicals out of reach of children and
away from livestock and animals.
7. Store chemicals only in their original contain ers
and in a locked area.
8. Check with local authorities regarding the dis posal
of small quantities of che micals, chemi cal
containers and wash water.
9. Do not burn the containers or leave them lying in
the field or ditches. Dispose of them in a manner
approved by the local authorities.
10. Wash thoroughly before eating. Use a deter gent to
remove all chemical res idue. Rinse carefully and
dry with disposable towels.
11. Do not eat in the field when spraying.
12. In case of chemical poisoning, get immediate
medical attention.
13. Most provinces and states have regional poison
control centers. Please find the current poison
control center phone number for your area, and
indicate in the following space.
14. Thoroughly wash clothing and equipment con -
taminated by chemicals.
15. Do not allow children or workers on contami nated
sprayer.
16. Rinse sprayer while still in the f ield. Spray the
rinse thinly over the field already sprayed. Never
contaminate the farmyard or drainage systems
with sprayer rinse.
17. Do not use the Sprayer to transport drinking water.
18. Wash down the Sprayer immediately after field
work. Dispose of the was h water in an
environmentally safe manner. Wash water can
contaminate the soil or a clean water supply.
Poison Control Center (Regional)
Phone : __________________________
Fax : __________________________

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2.5 MAINTENANCE SAFETY
1. Review the Operators Manual and all safety items
before working with, maintaining or operating the
sprayer.
2. Stop the tractor engine , place all controls in
neutral, set park brake, remove ignition key, wait
for all moving pads to stop before servic ing,
adjusting, repairing or unplugging.
3. Before applying pressure to a hydraulic system,
make sure all components are tight and that steel
lines, hoses and couplings are not damaged.
4. Relieve pressure from hydraulic circuit before
servicing or disconnecting from tractor.
5. Keep hands, feet, clothing and hair away from all
moving and/or rotating pads.
6. Clear the area of bystanders, especially children,
when carrying out any maintenance and repairs or
making any adjustments.
7. Place stands or blocks under the frame before
working beneath the machine.
8. Wear safety goggles, rubber gloves and pro tective
clothing when working on the Sprayer when filled
with active chemical or on the boom wind shields.
9. Wash machine to remove all chemical residue
before working on unit. Wear appropriate pro -
tective gear at all times.
10. Protect yourself from chemical contamination.
2.6 HYDRAULIC SAFET Y
1. Always place all tractor hydraulic controls in
neutral before dismounting.
2. Make sure that all components in the hydrau lic
system are kept in good condition and are clean.
3. Replace any worn, cut, abraded, flattened or
crimped hoses and steel lines.
4. Do not attempt any makeshift repairs to the
hydraulic lines, fittings or hoses by using tape,
clamps or cements. The hydraulic system op -
erates under extremely high - pressure. Such
repairs will fail suddenly and create a hazard ous
and unsafe condition.
5. We ar proper hand and eye protection when
searching for a high - pressure hydrau lic leak. Use
a piece of wood or cardboard as a backstop
instead of hands to isolate and identify a leak.
6. If injured by a concentrated high - pressure stream
of hydraulic fluid, see k medical attention
immediately. Serious infection or toxic reaction can
develop from hydraulic fluid piercing the skin
surface.
7. Before applying pressure to chemical system
make sure that all connections are tight and that
all hoses and fittings are in go od condition.

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2.7 TRANSPORT SAFETY
1. Read and understand ALL the information in
the Operator's Manual regarding procedures
and SAFETY when operating the Sprayer in
the field and/or on the road.
2. Check with local authorities regarding
sprayer transport on pub lic roads. Obey all
applicable laws and regulations.
3. Always travel at a safe speed. Use caution
when making corners or meeting traffic.
4. Make sure the SMV (Slow Moving Vehicle)
emblem and all the lights and reflectors that
are required by the local highwa y and trans -
port authorities are in place, are clean and
can be seen clearly by all overtaking and
oncoming traffic.
5. Install additional lights on the rear of the
sprayer to safeguard against rear end colli -
sions. Daybreak and dusk are particularly
dangero us and pilot vehicles are recom -
mended.
6. Ensure that the trailer is hitched positively to
the towing vehicle. Always use a safety
chain between the machine and the tractor.
7. Keep to the right and yield the right - of - way
to allow faster traffic to pass. Driv e on the
road shoulder, if permitted by law.
8. Always use hazard warning flashers on
sprayer when transporting unless prohibited
by law.
9. Never transport with the tank filled with
water or chemical.
2.8 STORAGE SAFETY
1. Store unit in an area away from human
act ivity.
2. Do not permit children to play on or around
the stored sprayer.
2.9 REFUELING SAFETY
1. Handle fuel with care. It is highly flammable.
1. Do not refuel the machine
while smoking or when near
open flame or Sparks.
2. Stop engine before refueling. Clean up
spilled fuel before restarting engine.
2.10 TIRE SAFETY
1. Failure to follow proper procedures when
mounting a tire on a wheel or rim can
produce an explosion that may result in
serious injury or death.
2. Do not attempt to mount a tire unless you
have the prope r equipment and experience
to do the job.
3. Have a qualified tire dealer or repair service
perform required tire maintenance.
4. Operate the tires at the pressures, loads,
and speeds suggested by the manufacturer.

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2.11 Safety Decals
Please Become Familiar with these safety decals.
Part # SW901
part # 113552

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3 GFS installation
GFS Basic parts package
FIGURE 1 COMPONENTS GFS (GROU ND FOLLOWING SYSTEM)
Familiarize your self with major components of the kit shown in the picture.
Some components in your kit may not look exactly as shown.

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FIGURE 2 GFS CONTROL VALVE IN STALLED ON RACK

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FIGURE 3 HOSES FOR CYLINDER - GFS VALVE

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FIGURE 4 HO SES PRESSURE AND TAN K

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FIGURE 5 GFS VALVE AND INSTA LLED

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FIGURE 6 FLEXICOIL COILS

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FIGURE 7 WHEEL INSTALLED NO S HIELD

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3.1 Flexicoil installation
1) Using U bolts prov ided, mount the control base
plate to the horizontal frame to the right of the
boom control valves See Figure 2 GFS control
valve installed on Rack
2) Mount GFS electrical and hydraulic valve
assembly to mount plate. Figure 2 GFS control
valve installed on Rack
3) Install the GFS cab control box in cab using Velcro
strips provided on back of case as shown in Figure
8 In Cab Control . It is preferred to have the green
LED s shaded fro m direct sunlight for best
visibility. Red wire must be tied in to 12V+ DC
power. The electrical connection must be fused
not greater than 15 amps. When available, use the
power point and connect to a power source that is
power off when main key switch is key off.
FIGURE 8 IN CAB CONTROL
4) Route the cable out of the cab to reach the
drawpin.
5) Install the plug onto the end of the cable using
schematic 5.1.4 GFS Cab Control Box, page 29 .
6) Route the second cab through the sprayer to
reach the center rear of boom.
7) Locate control cable 227542 with plug marked
E2 , and plug into plug E on the electrical control
box. Route the 6 wire cable to boom control block
as shown in se ction 5.1.3 page 28 . Make the
electrical connections as per 5.1.3 GFS GENERIC
ELECTRICAL page28 .
8) Cut the wires going to the Flexicoil electric over
hydraulic coils one at a time as per GFS
GENERIC ELECTRICAL MODULE 227711 . Skive
back 3/8 of coating on both ends. Place original
wire with the GFS wire in one en d of the solder
connector. Place the other original wire in the
other end as shown in Figure 9 SEALED WIRE
SPLICE PROCEDURE . Use a heat gun
(preferred) or small torch to shrink the heat shrink.
OBSERVE THAT THE SOLDER MELTS AND
FL OWS ONTO THE WIRE. The result is a durable
sealed wire connection. To see the proper coils
check Figure 6 Flexicoil coils
7) Tee in the 1/2 GFS pressure input line to the
pressure input on the boom block using the run tee
provided . 5.1.2 GFS HYDRAULIC SCHEMATIC
page 27 , and see Figure 4 ho ses pressure and
tank
8) Tee in the ½ GFS return to tank line to a return
line usin g the tee provided.
FIGURE 9 SEALED WIRE SPLICE
PROCEDURE
9) GFS Gauge wheel mounts are the same, no lefts
or rights. Install the GFS gauge wheel mount (part
# 227771) approximately 12 inside of the main
hinge joint, on the fr ont side of the boom. See
Figure 7 wheel installed no Shield and Figure
10 Wheel Mount close up and Figure 11 GFS
Wheel Mount - For assembly breakdown, see
Flexicoil 67 Specific GFS Parts Castor wheels -
unshielded . Bolt the wheel on to the #227670

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spindle using the studs provided. Slide square
tube in to the mount socket. Insert 3/8 lock pin in
positioning holes, and tighten the 4 set bolt s.
Repeat for the right side.
FIGURE 10 WHEEL MOUNT CLOSE UP
FIGURE 11 GFS WHEEL MOUNT -
10) Lower the left and right boom onto the GFS
wheels, so that there is no oil pressure on the
cylinder holding t he boom tips up.
11) Connect ½ hydraulic hoses to the JIC run tees
and the other end to the left and right hand shaft
end ports of the boom lift cylinders. See Figure 3
Hoses for cylinder - GFS valve . The LH cylinder
gets the hose ne arest to the pressure gauge on
the GFS unit.
12) Carefully remove the barrel end boom lift cylinder
hoses from the cylinders, being certain that there
is no remaining oil pressure in the lines. Route the
new lines back to the GFS control and install into
run Tees in the Tank line.
13) Purge all the air from the shoulder cylinder lines by
having one individual operate the left boom UP
and right boom UP switches, while a second
individual wearing protective eye glasses and
other necessary safety equipment catch es the oil
in a mostly closed top container.
14) Fully tighten shoulder cylinder hoses.
15) Follow the instructions in 4.1 OPEN CENTER
OPERATION(option) section 4.2 GFS Hydraulic
Pressure Adjustments page 22 , to get a proper
pressure setting, To have the least stress on boom
components, maintain the lowest differential
pressure to allow satisfactory ground following
performance .
16) Snap tie all hoses and wires properly to avoid
chaffed hoses and wires in the future.
17) Install decals shown in Section 2.11 Safety Decals
page 11 .