GREAT PLAINS PH-15 Manual de usuario

!Read the operator’s manual entirely. When you see this symbol, the subsequent in-

structions and warnings are serious - follow without exception. Your life and the lives of

others depend on it!

Cover illustration may show optional equipment not supplied with standard unit.

P.O. Box 5060 ●Salina, Kansas 67402-5060

Manufacturing, Inc.

148-384M

12611

Operator’s Manual

PH-15, PH-20, PFH-15 and PFH-20

Coulter Command System

5/31/2001

Table of Contents

Great Plains Manufacturing, Inc. provides this publication “as is” without warranty of any kind, either expressedor implied. While every precaution has been taken in the preparation

of this manual, Great Plains Manufacturing, Inc. assumes no responsibility for errors or omissions. Neitheris any liability assumed for damages resultingfrom the use of the informa-

tion contained herein. Great Plains Manufacturing, Inc. reserves the right to revise and improve its products as it sees fit. This publication describes the state of this product at the

time of its publication, and may not reflect the product in the future.

Great Plains Manufacturing, Incorporated Trademarks

The following are trademarks of Great Plains Mfg., Inc.: Application Systems, Ausherman, Land Pride, Great Plains, Seed-Lok

All other brands and product names are trademarks or registered trademarks of their respective holders.

Printed in the United States of America.

Great Plains Mfg., Inc.

Table of Contents

PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M 6/21/2004

Important Safety Information . . . . . . . . . . . . .1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Description of Unit. . . . . . . . . . . . . . . . . . . .4

Using This Manual. . . . . . . . . . . . . . . . . . . .4

Deﬁnitions . . . . . . . . . . . . . . . . . . . . . . .4

Owner Assistance . . . . . . . . . . . . . . . . . . . .4

Section 1 Assembly and Setup. . . . . . . . . . . .5

Prestart Checklist . . . . . . . . . . . . . . . . . . . .5

Depth Sensing Wheel . . . . . . . . . . . . . . . . .5

Sensor Box . . . . . . . . . . . . . . . . . . . . . .6

Gauge Wheel Lift Cylinder . . . . . . . . . .7

Speed Sensor . . . . . . . . . . . . . . . . . . . .7

Lift Switch . . . . . . . . . . . . . . . . . . . . . . .8

Wiring Harness . . . . . . . . . . . . . . . . . . .8

Tongue Cylinder . . . . . . . . . . . . . . . . . .9

Hydraulic Control Valve. . . . . . . . . . . .10

Hydraulic Connections . . . . . . . . . . . .11

Control Box . . . . . . . . . . . . . . . . . . . . .12

Sensor Box Adjustments . . . . . . . . . . . . . .13

Section 2 Operating Instructions . . . . . . . . .14

Load Sensing Hydraulics . . . . . . . . . . . . . 14

Hydraulic Hook-Up & Function. . . . . . . . . 14

Operation of Electronic Controls. . . . . . . . 15

Field Adjustments. . . . . . . . . . . . . . . . . . . 16

Lift Switch. . . . . . . . . . . . . . . . . . . . . . 16

Speed Sensor . . . . . . . . . . . . . . . . . . 17

Hydraulic Valve . . . . . . . . . . . . . . . . . 17

Section 3 Troubleshooting. . . . . . . . . . . . . . 18

System Schematics . . . . . . . . . . . . . . . . . 20

Hydraulic Schematic . . . . . . . . . . . . . 20

Electrical Schematic. . . . . . . . . . . . . . 21

Section 4 Maintenance & Lubrication. . . . . 22

Maintenance. . . . . . . . . . . . . . . . . . . . . . . 22

Lubrication . . . . . . . . . . . . . . . . . . . . . . . . 22

Depth Sensing Arm Wheel Pivot . . . . . . . 22

Axle Bearings . . . . . . . . . . . . . . . . . . . . . . 22

Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Torque Values Chart. . . . . . . . . . . . . . . . . 23

Important Safety Information

6/21/2004 PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M

Great Plains Mfg., Inc.

Important Safety Information

Keep Riders

Off Machinery

Riders obstruct the operator’s view.

Riders could be struck by foreign

objects or thrown from machine.

▲Never allow riders on implement.

▲Never allow children to operate

equipment.

Be Aware of Signal Words

Signal words designate a degree or

level of hazard seriousness. The sig-

nal words are:

Indicates an imminently hazardous

situation which, if not avoided, will

result in death or serious injury. This

signal word is limited to the most

extreme situations, typically for

machine components that, for func-

tional purposes, cannot be guarded.

Indicates a potentially hazardous sit-

uation which, 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.

Indicates a potentially hazardous sit-

uation which, if not avoided, may

result in minor or moderate injury. It

may also be used to alert against

unsafe practices.

For Your Protection

▲Thoroughly read and understand

Safety Decals, page 4. Read all

instructions noted on decals.

!CAUTION

Shutdown and Storage

▲Lower machine to ground, put

tractor in park, turn off engine,

and remove key.

▲Detach and store implement in an

area where children normally do

not play. Secure implement with

blocks and supports.

OFF

!WARNING

!DANGER

Look for Safety Symbol

The SAFETY ALERT SYMBOL indi-

cates there is a potential hazard to

personal safety involved and extra

safety precaution must be taken.

When you see this symbol, be alert

and carefully read the message that

follows it. In addition to design and

conﬁguration of equipment, hazard

control and accident prevention are

dependent upon the awareness, con-

cern, prudence and proper training of

personnel involved in the operation,

transport, maintenance and storage

of equipment.

Handle

Chemicals Properly

Agricultural chemicals can be dan-

gerous. Improper use can seriously

injure persons, animals, plants, soil

and property.

▲Wear protective clothing.

▲Handle all chemicals with care.

▲Follow instructions on container

label.

▲Avoid inhaling smoke from any

type of chemical ﬁre.

▲Store or dispose of unused chem-

icals as speciﬁed by chemical

manufacturer.

Important Safety Information

PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M 6/21/2004

Great Plains Mfg., Inc.

Transport

Machinery Safely

Maximum transport speed for imple-

ment is 20 mph. Some rough terrains

require a slower speed. Sudden

braking can cause a towed load to

swerve and upset.

▲Do not exceed 20 mph. Never

travel at a speed which does not

allow adequate control of steering

and stopping. Reduce speed if

towed load is not equipped with

brakes.

▲Comply with state and local laws.

▲Do not tow an implement that,

when fully loaded, weighs more

than 1.5 times the weight of tow-

ing vehicle.

Use Safety

Lights and Devices

Slow-moving tractors, self-propelled

equipment and towed implements

can create a hazard when driven on

public roads. They are difﬁcult to see,

especially at night.

▲Use ﬂashing warning lights and

turn signals whenever driving on

public roads.

▲Use lights and devices provided

with implement.

Practice Safe Maintenance

▲Understand procedure before

doing work. Use proper tools and

equipment. Refer to this manual

for additional information.

▲Work in a clean, dry area.

▲Lower implement to ground, put

tractor in park, turn off engine,

and remove key before performing

maintenance.

▲Allow implement to cool completely.

▲Inspect all parts. Make sure parts

are in good condition and installed

properly.

▲Remove buildup of grease, oil or

debris.

▲Remove all tools and unused

parts from implement before oper-

ation.

Use A Safety Chain

▲Use a safety chain to help con-

trol drawn machinery should it

separate from tractor drawbar.

▲Use a chain with a strength rat-

ing equal to or greater than the

gross weight of towed machin-

ery.

▲Attach chain to tractor drawbar

support or other speciﬁed

anchor location. Allow only

enough slack in chain to permit

turning.

▲Replace chain if any links or end

ﬁttings are broken, stretched or

damaged.

▲Do not use safety

chain for towing.

Important Safety Information

6/21/2004 PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M

Great Plains Mfg., Inc.

Prepare for Emergencies

▲Be prepared if a ﬁre starts.

▲Keep a ﬁrst aid kit and ﬁre extin-

guisher handy.

▲Keep emergency numbers for

doctor, ambulance, hospital and

ﬁre department near phone.

Tire Safety

Tire changing can be dangerous and

should be performed by trained per-

sonnel using correct tools and equip-

ment.

▲When inﬂating tires, use a clip-on

chuck and extension hose long

enough to allow you to stand to

one side–not in front of or over tire

assembly. Use a safety cage if

available.

▲When removing and installing

wheels, use wheel-handling

equipment adequate for weight

involved.

911

Wear

Protective Equipment

▲Wear protective clothing and

equipment.

▲Wear clothing and equipment

appropriate for the job. Avoid

loose-ﬁtting clothing.

▲Because prolonged exposure to

loud noise can cause hearing

impairment or hearing loss, wear

suitable hearing protection such

as earmuffs or earplugs.

▲Because operating equipment

safely requires your full attention,

avoid wearing radio headphones

while operating machinery.

Avoid High

Pressure Fluids Hazard

Escaping ﬂuid under pressure can

penetrate skin, causing serious

injury.

▲Avoid the hazard by relieving

pressure before disconnecting

hydraulic lines.

▲Use a piece of paper or card-

board, NOT BODY PARTS, to

check for suspected leaks.

▲Wear protective gloves and safety

glasses or goggles when working

with hydraulic systems.

▲If an accident occurs, see a doc-

tor immediately. Any ﬂuid injected

into the skin must be surgically

removed within a few hours or

gangrene may result.

Safety at All Times

Thoroughly read and understand this

manual before operating implement.

Refer to Safety Decals, page 4. Read

all instructions noted on decals.

▲Be familiar with all implement

functions.

▲Operate implement from driver’s

seat only.

▲Do not leave tractor or implement

unattended with engine running.

▲Do not dismount a moving tractor.

Dismounting a moving tractor could

cause serious injury or death.

▲Do not stand between the tractor

and implement during hitching.

▲Keep hands, feet and clothing

away from power-driven parts.

▲Wear snug-ﬁtting clothing to avoid

entanglement with moving parts.

▲Watch out for wires, trees, etc.,

when raising implement. Make

sure all persons are clear of work-

ing area.

▲Do not turn tractor too tight, caus-

ing implement to ride up on

wheels.

Introduction

PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M 6/21/2004

Great Plains Mfg., Inc.

Introduction

Owner Assistance

If you need customer service or repair parts, contact a

Great Plains dealer. They have trained personnel, repair

parts and equipment specially designed for Great Plains

products.

Your machine’s parts were specially designed and should

only be replaced with Great Plains parts. Always use the

serial and model number when ordering parts from your

Great Plains dealer.

Your Great Plains dealer wants you to be satisﬁed with

your new machine. If you do not understand any part of

this manual or are not satisﬁed with the service received,

please take the following actions.

1. Discuss the matter with your dealership service man-

ager. Make sure they are aware of any problems so

they can assist you.

2. If you are still unsatisﬁed, seek out the owner or gen-

eral manager of the dealership.

3. For further assistance write to:

Product Support

Great Plains Mfg. Inc., Service Department

PO Box 5060

Salina, KS 67402-5060

Great Plains welcomes you to its growing family of new

product owners. This implement has been designed with

care and built by skilled workers using quality materials.

Proper setup, maintenance and safe operating practices

will help you get years of satisfactory use from the ma-

chine.

Description of Unit

The Precision Hitch Coulter Command System couples a

microprocessor with electro-hydraulics to provide a state-

of-the-art system for maintaining coulter depth regardless

of the terrain or soil type. It also provides coulter depth ad-

justment from the tractor cab.

The Coulter Command System contains a depth sensing

wheel, an electronic control box, a speed sensor, a depth

sensorbox,aliftcontrolswitch,awiringharness,atoplink

and a hydraulic control valve. It uses the tongue cylinder

from your Precision Hitch.

This manual applies to the following:

•148-382A Precision Hitch Coulter Command,

Non Fertilizer

•148-383A Precision Hitch Coulter Command, For

Fertilizer

Referto thePrecisionHitch operator’s manualfordetailed

informationonsafelyoperating,adjusting,troubleshooting

and maintaining the Precision Hitch. Refer to the parts

manual for Coulter Command part identiﬁcation.

•148-365M PH-15, PH-20, PFH-15 and PFH-20

Operator’s Manual

•148-365P PH-15, PH-20, PFH-15 and PFH-20

Parts Manual

Using This Manual

This manual will familiarize you with safety, assembly, op-

eration, adjustments, troubleshooting and maintenance.

Readthismanualand followtherecommendationstohelp

ensure safe and efﬁcient operation.

Theinformation in thismanual is currentat printing.Some

parts may change to assure top performance.

Deﬁnitions

The following terms are used throughout this manual.

Right-handand left-handasused inthis manual aredeter-

mined by facing the direction the machine will travel while

in use unless otherwise stated.

NOTE: Useful information related to the preceding topic.

IMPORTANT: A crucial point of information related to

the preceding topic. For safe and correct operation,

read and follow the directions provided before continu-

ing.

Section 1 Assembly and Setup

6/21/2004 PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M

Great Plains Mfg., Inc.

Section 1 Assembly and Setup

Prestart Checklist

Depth Sensing Wheel

If your Precision Hitch is equipped with liquid fertilizer

(PFH), the fertilizer drive wheel doubles as the coulter

depth sensing wheel and will require additional sensor as-

sembly and adjustment.

If you do not have the liquid fertilizer option (PFH), the

coulter command will contain a coulter depth sensing

wheel which is subassembled and preadjusted.

Check

All major frame components

Fasteners and pins that were shipped with the Coulter Com-

mand System.

NOTE: All hardware from the factory has been installed in the

location where it will be used. If a part or fastener is temporarily

removed for assembly reasons, remember where it goes.Keep

the parts separated.

Have a minimum of 2 people at hand while assembling the

Coulter Command System.

Have a forklift or loader along with chains and safety stands

ready for the assembly task.

If you are unsure where a fastener is used, refer to the Parts

Manual to identify it.

Figure 1-1

Depth Sensing Wheel 18439

See Figure 1-1.

Installthecoulterdepth sensing wheelassembly(1)tothe

front 4” x 4” coulter tool bar tube with the two 5/8 x 6 inch

u-bolts (2), lock washers (3) and nuts (4).

Position the center of the coulter depth sensing wheel

mount bracket 2 1/4 inches to the right of the center of the

Precision Hitch beam. This will leave about 2 3/4 inch

clearancebetweentheinsideofthedepthsensingtireand

the edge of the hitch center beam.

Section 1 Assembly and Setup

PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M 6/21/2004

Great Plains Mfg., Inc.

5. Slide bearing and sensor mount plate subassembly

oversensorspindle(1),andboltsensormountplateto

drive wheel mount bracket with 1/2 x 1 1/2 inch bolts

(18), lock washers (19) and nuts (20).

6. Place circular disk (13) over threaded end of sensor

spindle (1) and install a 3/8 inch washer (21) and

ﬂange nut (22). Do not tighten ﬂange nut at this time.

7. With the circular disk in place, slide the sensor mount

plate subassembly in or out until the vertical ﬂat bar

link (15) and the circular disk are aligned.

8. Tighten two set screws on the bearing (4) to hold the

subassembly in place.

9. Tighten the ﬂangette bolts (7) being careful not to

damage the internal linkages.

10. Set sensor box cover and cover screws aside and

continue with speed sensor assembly.

Figure 1-2

Sensor Box 18427

Sensor Box

Ifthesensorboxis not preassembledtothedepthsensing

wheel, refer to Figure 1-2 and the following instructions.

1. Assemble sensor spindle (1) to left end of fertilizer

drivewheelrockshaftwiththree1/4x3/4 inchbolts(2)

and lock washers (3).

2. Bolt the bearing (4) between twoﬂangettes (5) and to

thebacksideof thesensormount plate(6)with 5/16x

3/4 inch carriage bolts (7), lock washers (8) and nuts

(9). Do not tighten nuts at this time.

NOTE: Position the heads of the bolts against the

ﬂangettes with lock washers and nuts pointing outward.

Locking collar on bearing should point away from the sen-

sor mount plate and toward the coulter depth sensing

wheel.

3. Place rubber gasket (10) between sensor box (11)

and the sensor mount plate (6). Screw sensor box to

sensor mount plate with #10 x 7/16 inch pan head

screws (12) and star lock washers (13).

4. Remove cover from sensor box and inspect the inter-

nal linkages. The circular disk (14) should be linked to

the ﬂat bar (15) with a formed round bar link (16).

Make sure the round bar link is in place and secured

witha springclip extensionspring (17)thatis connect-

ed between the circular disk and the ﬂat bar through

the small holes.

Section 1 Assembly and Setup

6/21/2004 PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M

Great Plains Mfg., Inc.

Figure 1-4

Gauge Wheel Lift Cylinder 18429

Gauge Wheel Lift Cylinder

Refer to Figure 1-3.

1. Install the base end of the lift cylinder (1) to gauge

wheel mount bracket with a 1/2 x 1 3/4 inch clevis pin

(2) and a 1/8 x 3/4 inch cotter pin (3) provided with the

cylinder.

NOTE: The ports on the cylinder should point away from

the depth sensing gauge wheel.

2. Place the rod end of the lift cylinder between the slot-

ted lugs on the gauge wheel arm. Place a ﬂat washer

(4) on the outside of each slotted lug on the gauge

wheel arm. Pin in place with a 1 1/2 x 2 3/4 inch clevis

pin (5) and a 1/8 x 3/4 inch cotter pin (3).

Figure 1-3

Gauge Wheel Lift Cylinder

18428

Speed Sensor

Refer to Figure 1-4.

1. Removethetireandrim fromthedepthsensingwheel

andboltthespeedsensorplate(1)betweenthewheel

and rim.

2. Screw the speed sensor (2) to the sensor mounting

bracket at bottom of the gauge wheel with #6 x 1/2

inch pan head screws (3), lock washers (4) and ﬂat

washers (5).

3. Position sensor to just touch the speed sensor plate

(1) and tighten screws.

4. Route co-axial cable (6) from sensor, across gauge

wheel arms, and up the side opposite the tire.

5. Screwtheendﬁttingintotheco-axconnectorontopof

the sensor box (7).

6. Slide co-axial cable into notches at the bottom of

gauge wheel arms and fasten to the side of gauge

wheel arm with the cable tie mounts (8) and cable ties

(9). Make sure the cable does not rub anything as

depth sensing wheel moves up and down.

Section 1 Assembly and Setup

PH-15, PH-20, PFH-15 and PFH-20 Coulter Command System 148-384M 6/21/2004

Great Plains Mfg., Inc.

Wiring Harness

Refer to Figure 1-5.

1. Route the wiring harness (7) through 8 x 8 inch hitch

tube and to the lift switch at the rear of the machine.

Plug into the lift switch and support the cable with ca-

ble tie mounts (8) and cable ties (9) or strap the cable

to the hydraulic hoses.

2. Plug the 4-pin connector of the wiring harness to sen-

sor box on the depth sensing wheel and support the

cable with cable mounts and ties.

3. Route the 9-pin connector through the spring hose

loop and to the tractor hitch. This will plug into the 9-

pin female connector from the control box extension

cable.

4. Plugtheotherthreeshortleadsintotheleadsfromthe

solenoids on the hydraulic control valves (10 and 11)

after they are installed.

Figure 1-5

Lift Switch and Wiring Harness 18430

Lift Switch

Refer to Figure 1-5.

1. Bolt the plunger activated lift switch (1) to the switch

mount located next to the left transport lift cylinder at

rear of the Precision Hitch transport frame with two

#10 x 3/4 inch pan head screws (2), ﬂat washers (3),

lockwashers(4)andnuts(5).Donottightenscrewsat

this time.

2. Fasten rockshaftswitchcam(6) totransportrockshaft

just below the lift switch. Position the cam so it con-

tacts the lift switch when hitch is raised and moves

away from the lift switch when hitch is lowered. Posi-

tion the worm gear screw on the cam mounting band

to the bottom of the rockshaft so it does not interfere

with the lift switch.

3. Adjust lift switch in the slotted holes so the plunger

movesin about1/8inch when thecamactivatesit and

tighten the #10 screws. Do not bottom out the plunger

on the lift switch.

4. Rotate the cam assembly so it hits the plunger when

the hitch is raised just enough to begin to pick the

openers off the ground.

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