John Deere 725 Series Row-Crop Cultivators Operator’s Manual Instant Download (Publication No.OMN200013)

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Y
C
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OPERATORS MANUAL
B 9
O M N 2 0 0 0 1 3
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Introduction
Read this manual carefully to learn how to
operate and service your machine correctly.
Failure to do so could result in personal injury
or equipment damage.
Warranty is provided as part of John Deere's
support program for customers who operate and
maintain their equipment as described in this
manual. The warranty is explained on the warranty
certificate which you should have received from
your dealer.
This manual should be considered a permanent part
of your machine and should remain with the
machine when you sell it.
This warranty provides you the assurance that
John Deere will back its products where defects
appear within the warranty period. In some
circumstances, John Deere also provides field
improvements, often without charge to the
customer, even if the product is out of warranty.
Should the equipment be abused, or modified to
change its performance beyond the original
factory specifications, the warranty will become
void and field improvements may be denied.
Setting fuel delivery above specifications or
otherwise overpower- ing machines will result in
such action.
Measurements in this manual are U.S. customary
units and their metric equivalents.
Right-hand and left-hand sides are determined by
facing in the direction the implement will travel
when going forward.
Write product identification numbers in the
Specifi- cations section. Accurately record all
the numbers to help in tracing the machine should
it be stolen. Your dealer also needs these
numbers when you order parts. If this manual is
kept on the machine, also file the identification
numbers in a secure place off the machine.
The tire manufacturer's warranty supplied with
your machine may not apply outside the U.S.
-
y.t"t" f" "" ""

All information, illustrations and specifications
in this manual are based on the latest product
information available at the time of publication.
The right is reserved to make changes at any time
without notice.
COPYRIGHT 1988, DEERE COMPANY, Moline,
IIlinois. All rights reserved. A John Deere
ILLUSTRUCTION'" Manual.
7A7N373 60 N032000 T3 0 MIFC 071 S 88
3
Checklists
PREDELIVERY After the machine has been completely
assembled, inspect to be sure it is in good
running order before delivering to the customer.
The following checklist is a reminder of points
to inspect. Check off each item as it is found
satisfactory or after proper adjustment is made.
Make sure all the customer ordered attachments
have been installed. _at_ Any parts scratched in
shipment have been touched up with paint.
This machine has been thoroughly checked and to
SMV emblem and reflectors installed. the best of
my knowledge, is ready for delivery to the
customer. All grease fittings have been
lubricated, see Lubri- cation and Maintenance
section. Signed Tires are properly inflated.
Tighten wheel bolts to Date specified
torque. Make sure row spacing is set per
customer order. Warning lig hts are properly
installed and operational.
R 03885 U -A 0Z1188
DELIVERY At the time the machine is delivered,
the following checklist is a reminder of
information which should be conveyed directly to
the customer. Check off each item as it is fully
explained to the customer.
_at_ Make the customer aware of all the safety
precau- tions that must be exercised while using
this machine.
When the machine is transported on a road or Tell
the customer to use the proper tools. highway at
night or during the day, accessory lights and
devices should be used for adequate warning _at_
Explain to the customer that the life expectancy
of to operators of other vehicles. In this
regard, tell this or any other machine depends on
regular customer to check local governmental
regulations. lubrication as directed in the
operator's manual. To the best of my knowledge,
this machine has Give the operator's manual to
the customer and been delivered ready for field
use and the customer explain all operating
adjustments. has been fully informed as to proper
care and operation. Signed Date
N0388 5U - B 200887
4
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Checklists
AFTER-SALE The following is a suggested list of
items to be checked at a dealer-customer mutually
agreeable time during the first operating season.
_at_ Ask the customer if the recommended periodic
lubrication has been performed.
Review the operator's manual with the customer _at_
Check with the customer as to the performance
of and stress the importance of proper
lubrication and the machine. Make certain the
proper operating satety precautions. adjustments
are understood. Signed _at_ If possible, operate
the machine to see that it is functioning
properly. Date _at_ Acquaint the customer with
any special attachment which will help do a
better job. _at_ Go over entire machine for loose or
missing bolts. _at_ Check for broken or damaged
parts.
N0388S U -C 2 00887
OWNER REGISTER Name Post Office County
State Zip Model and Serial No. Date Sold
6
Contents
Page
Page
Safety Read Operator's Manual . .
Operating the Cultivator Raising and Lowering
Cultivator . Leveling Cultivator With Frame
Gauge Wheels . Adjusting Cultivating Depth With
25-01
05-01 05-01 05-02 05-02 05-02 05-03 05-03 05-04 05
-05 05-05
Operate Safely . .. Protect Against Noise . Avoid
Fires . . Transport Safely
25-02
25-03
Rigid Rig Gauge Wheels .. .. Adjusting
Cultivating Depth With
Use Safety Lights and Devices Practice Safe
Maintenance . Service Tires Safely . . Avoid
High-Pressure Fluids . . Signal Words in This
Manual.
Crank Adjustable Rig Gauge Wheels.
. 25-03 . 25-04 25-04 25-04 25-05 . 25-05
Adjusting Rig Linkage to Float ...
Adjusting Rig Depth Stop ... . .. Adjusting Inner
Rig Lift Height ..
..
Positioning Shanks... . . . Adjusting All
Sweeps . ..
Preparing the Tractor Adjusting Wheels and
Drawbar ... Adjusting Metering Valve . Adjusting
For Lateral Float .
10-01 10-01 10-01
Adjusting Quick-Return Spring-Trip Shanks
25-06
Adjusting Down-Pressure Springs of
Adjusting Rockshaft Selector Valve ..... 10-02
Outer Rigs .. . Adjusting Down-Pressure Springs of
25-06
Attaching and Detaching Inner Rigs 25-07
Attaching Flexible and Rigid Adjusting Rolling Shields 25-08
Cultivators to Tractor (From Storage to Transport) ... ... ... 15-01 Field Positions For Rig-Mounted Shield . 25-09
Attaching Flexible Cultivators to Adjusting Rig-Mounted Shield 25-10
Tractor (From Storage to Transport) ... 15-03 Locating Adjustments For Outer
Attaching Rigid Cultivators to Rig Shield . .. 25-11
Tractor (From Storage to Transport) ... Detaching Flexible Cultivators 15-04 Locating Adjustments for Inner Rig Shields.. .. .. .... .. 25-11
(From Transport to Storage) . 15-05 Using Shield Arm Extensions. . 25-12
Detaching Rigid Cultivators (From Transport to Storage) . . 15-07 Adjusting Disk Hillers . (Continued on next page) 25-13
Transporting Preparing To Transport . Changing
From Field to Transport
20-01
(Flexible) ... .
20-02
Changing From Transport to Field
20-03
(Flexible) .. . . .
N03725 B A 05108
i
4N31 S I188
7
Page
Lubrication and Maintenance . .
30-01
Service Service Tires Safely . Avoid
High-Pressure Fluids . Standard Torques . ....
... Using Sweeps
35-01 35-02 35-03 35-03
Storage
40-01
45-01
Crime Prevention Tips
Assembly Install Tractor Step and Rig Stop ...
Install Front Supports . . Hydraulic
Diagrams Four Row 36 to 40-in. (914 to 1016 mm)
and Six Row 28 to 30-in. (711 to
50-01 50.02 50-08
762 mm) .................. 50-08 Six Row 36 to
40-in. (914 to 1016 mm) and Eight Row 28 to
30-in. (711 to
50-09
762 mm) ................. Eight Row 36 to 40-in.
(914 to 1016 mm) and Twelve Row 28 to 30-in. (711
to
762 mm) .................. 50-10
50-14 50-14 50-15 50-16 50-17
Row Spacing Diagrams ............ Four Row 36 to
40-in. (914 to 1016 mm) Six Row 28 to 30-in. (711
to 762 mm) . . Six Row 36 to 40-in. (914 to 1016
mm) . Eight Row 28 to 30-in. (711 to 762 mm).
Eight Row 36 to 40-in. (914 to 1016 mm) . Twelve
Row 28 to 30-in. (711 to 762 mm) ...
50-18
50-19
Specifications Serial Number .
55-03
8
Safety
RECOGNIZE SAFETY INFORMATION This is the
safety-alert symbol. When you see this symbol on
your machine or in this manual, be alert to the
potential for personal injury. Follow
recommended precautions and safe operating
practices.
UNDERSTAND SIGNAL WORDS A signal wordDANGER,
WARNING, or CAUTIONis used with the safety-alert
symbol. DANGER identifies the most serious
hazards.
WARNING CAtAI0N AB6TSI87 053SIG NAL 071085
Safety signs with signal word DANGER or WARNING
are typically near specific hazards. General
precautions are listed on CAUTION safety signs.
CAUTION also calls attention to safety messages
in this manual.
FOLLOW SAFETY INSTRUCTIONS Carefully read all
safety messages in this manual and on your
machine safety signs. Keep safety signs in good
condition. Replace missing or damaged safety
signs. Learn how to operate the machine and how
to use controls properly. Do not let anyone
operate without instruction.
Keep your machine in proper working condition.
Unautho- rized modifications to the machine may
impair the function and/or safety and affect
machine life.
AB6TS2Ol 053READ 230487
1
4 N30 00s 0 22 \ t 88
9
OPERATE SAFELY DO NOT allow anyone to ride on
cultivator when it is in motion. Observe
operation only from the tractor platform. Always
shut off tractor engine and shift to park" when
leaving tractor. Remove key when leaving
tractor unattended. DO NOT operate close to a
ditch or creek or the machine may trip
over. Slow down when turning. Drive slowly over
rough terrain. Apply both tractor brakes evenly
when making emergency stops. Plan ahead. Wear
relatively tight and belted clothing to prevent
being caught on some part of the machine. Lower
cultivator when not in use. For tractor stability
and operator safety, tractor front end weights
may be required. Wear leather gloves when
handling disk hiller blades. Always raise
machine at the end of rows and always raise
machine when turning.
KEEP RIDERS OFF MACHINE Only allow the operator
on the machine. Keep riders off. Riders on
machine are subject to injury such as being
struck by foreign objects and being thrown off of
the machine. Riders also obstruct the operator's
view resulting in the machine being operated in
an unsafe manner.
052
10
HANDLE FUEL SAFELYAVOID FIRES Handle fuel with
care it is highly flammable. Do not refuel the
machine while smoking or when near open flame or
sparks. Always stop engine before refueling
machine. Fill fuel tank outdoors. Prevent fires
by keeping machine clean of accumulated trash,
grease, and debris. Always clean up spilled
fuel. AB6TS202 053FIREI 230487
PREPARE FOR EMERGENCIES Be prepared if a fire
starts. Keep a first aid kit and fire
extinguisher handy. Keep emergency numbers for
doctors, ambulance service, hospital, and fire
department near your telephone. AB6TS186
053FIRE2 080785
HANDLE STARTING FLUID SAFELY Starting fluid is
highly flammable. Keep all sparks and flame away
when using it. Keep starting fluid away from
batteries and cables. To prevent accidental
discharge when storing the pressur- ized can,
keep the cap on the container, and store in a
cool, protected location. Do not incinerate or
puncture a starting fluid container.
AB6T6089A U 053FIRE3 010288
WEAR PROTECTIVE CLOTHING Wear close fitting
clothing and safety equipment appropriate to the
job.
11
PROTECT AGAINST NOISE Prolonged exposure to loud
noise can cause impairment or loss of
hearing. Wear a suitable hearing protective
device such as earmuffs or earplugs to protect
against objectionable or uncomfort- able loud
noises.
AB6Ts20 0s N0 SE 2 3048z
12
HANDLE CHEMICALS WISELY Keep dust away from skin
and hair. Keep containers low when pouring. Let
the wind blow fumes away from you when mixing or
filling. Wear a filtered respirator if you cannot
avoid dust. Wear goggles to protect
your,eyes. Wash exposed skin areas frequentlydo
not leave chemi- cals on your skin. Do not smoke
while handling chemicals. Properly dispose of
chemical containers, unused chemicals and
left-over treated seed and fertilizer. Read and
observe manufacturer's recommendations. Store
chemicals in a separate, plainly marked LOCKED
building. Store chemicals in original containers
with labels intact.
KEEP OUT A SMOKIHG CNEMICAL HO 'AGE ORIQINAL
CG'fTAlNGRS
9A8N3 5988, N35989, N36950 N03722 SAG 181083
05-5
4 N 30005 05 22 188
13
STAY CLEAR OF ROTATING DRIVELINES Entanglement in
rotating driveline can cause serious injury or
death. Keep tractor master shield and driveline
shields in place at all times. Make sure rotating
shields turn freely. Wear close fitting
clothing. Stop the engine and be sure PTO
driveline is stopped before making adjustments,
connec- tions, or cleaning out PTO driven
equipment.
AB6S198 OSS PT 0 160687
USE SAFETY LIGHTS AND DEVICES When transporting
your machine on a road or highway at night or
during the day, use necessary safety lights.
Check local governmental regulations. A safety
lighting kit is available from your John Deere
dealer. Keep safety items in good condition.
Replace missing or damaged items. ALights CRefle
ctor Tape VSIow Moving Vehicle Emblem
DReflectors AB6 NS6s 64 0 s3WA RN 070188
TRANSPORT SAFELY DO NOT fail to latch tractor
brakes together. Shift tractor into a low gear
when transporting down steep slopes or
hills. Stop slowly. Always raise the parking
stands before transporting. DO NOT transport
unless equipped with SMV emblem and reflectors.
Make sure they are clean and visible from front
and rear.
7A7N82055 Cl N0725 SAC 071188
5
4 N30 005 06 221T 88
14
PRACTICE SAFE MAINTENANCE Understand service
procedure before doing work. Keep area clean and
dry. Never lubricate or service machine while it
is moving. Keep hands, feet, and clothing from
power-driven parts. Disen- gage all power and
operate controls to relieve pressure. Lower
equipment to the ground. Stop the engine. Remove
the key. Allow machine to cool. Securely support
any machine elements that must be raised for
service work. Keep all parts in good condition
and properly installed. Fix damage immediately.
Replace worn or broken parts. Re- move any
buildup of grease, oil, or debris. Disconnect
battery ground cable (-) before making adjust-
ments on electrical systems or welding on machine.
PRACTICE SAFE MAINTENANCE

Install rockshaft arm pins in upper position (A)
when cultivator is stored.
Shut off tractor engine and remove key when
working on cultivator.
" -
Lower machine when not in use.

Unauthorized modifications to the machine may
impair the function and/or safety and affect
machine life. AUpper (Storage) Poeltlon WLower
(Field) Position
yA7flezoeo ci flo37 zs sAfi our iss
15
AVOID HIGH-PRESSURE FLUIDS Escaping fluid under
pressure can penetrate the skin causing serious
injury. Relieve pressure before unhooking
hydraulic or other lines. Tighten all connections
before applying pressure. Keep hands and body
away from pinholes and nozzles which eject fluids
under high pressure. Use a piece of cardboard to
search for leaks.
If ANY fluid is injected into the skin, it must
be surgically removed within a few hours by a
doctor familiar with this type injury or gangrene
may result.
A86Xs8TT OS3FL UID 180R87
SERVICE TIRES SAFELY Failure to follow proper
procedures when mounting a tire on a wheel or rim
can produce an explosion which may result in
serious injury or death. Do not attempt to mount
a tire unless you have the proper equipment and
experience to perform the job. Have it done by
your John Deere dealer or a qualified tire repair
service. When sealing tire beads on rims, never
exceed 35 psi (241 kPa) (2.4 bar) or maximum
inflation pressures specified by tire
manufacturers for mounting tires. Inflation
beyond this maximum pressure may break the bead,
or even the rim, with dangerous explosive force.
If both beads are not seated when the maximum
recommended pressure is reached, deflate,
reposition tire, relubricate bead and
reinflate. AUse a Safety Cage if
Available. BDo Not Stand Over Tire. Use
a Clip-on Chuck and Extension Hose.
05-8
16
Preparing the Tractor

• ADJUSTING WHEELS AND DRAWBAR
• CAUTION Make sure PTO guard and master shleld
  are both installed on tractor.
• Set tractor wheels for desired row spacing so
  wheels are centered (A) between rows. The
  dimension is measured from the center of the
  tractor to the center of each tire.
• Place drawbar (C) in short centered position
  (rear rig only).
• Adjust lift links (D) to minimum lengths (rear
  rig only).
• Place sway blocks (B) in Category II down
  position (rear rig only).
• Check tractor hydraulic oil reservoir. Refill, if
  necessary.
• A-Center Dimension BSway Blocks CDrawbar
• ALlft Links

- _at_"
ADJUSTING METERING VALVE
Turn the tractor metering valve "A"
clockwise to slow position.
ADJUSTING FOR LATERAL FLOAT For rear rig WITHOUT
gauge wheels, LOCK OUT lateral float, lift link
pins (A) in lower holes. If rear rig is equipped
WITH gauge wheels, set link pins in upper holes
TO ALLOW lateral float. Float (Leh) No Float
(Right)
7A7,N 57362 N37363 N03,725V C 051084
17
Preparing the Tractor ADJUSTING ROCKSHAFT
SELECTOR LEVER Place rockshaft selector lever (A)
in "MIN", to prevent unexpected hitch movement.
7A7RW4392 N03725 PTD 071188
1
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" 4N3 00y 0 02 Z 2 T160
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Attaching and Detaching

• ATTACHING FLEXIBLE AND RIGID CULTIVA- TORS TO
  TRACTOR (FROM STORAGE TO TRANSPORT
• If front supports and center frame have been
  removed from tractor, refer to Install Front
  Supports (in the Assembly section) and install.
• Turn hold down bolts (A) counterclocMise until
  tips are flush with front supports (B).
• Position Factor so front supports and cultivator
  center frame (C) are in line with each other,
  leaving clearance for vertical adjustment.

• CAUTION Shut alt tractor engine and work
  hydraulic control levera back and forth to
  relieve system of pressure. Escaping hydraulic
  fluid under pressure can cause bodily Injury.
• Attach hydraulic hoses (A) to tractor.
• Route hoses along cultivator frame and tractor.
  Attach hoses to tractor. Use Factor hydraulic
  levers to position cultivator center frame hold
  down lugs above front support jaws, when tractor
  is moved forward.

• 5. Drive Factor forward until center frame hold
  down lugs
• (A) are above front support jaws (B).
• Retract cylinder to lower hold-down lugs into
  front support jaws.
• Secure in place with hold-down bolts (C).

20
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