GREAT PLAINS 7000 Series User manual

Manufacturing, Inc.
www.greatplainsmfg.com
© Copyright 2019 Printed 2020-01-16 556-427Q
EN
Table of Contents Index
Table of Contents Index
ORIGINAL INSTRUCTIONS
Pre-Delivery Manual
7000 Series Disk Harrow
7110DH, 7112DH & 7115DH
Read the operator’s manual entirely. When you see this symbol, the
subsequent instructions and warnings are serious - follow without
exception. Your life and the lives of others depend on it!
Illustrations may show optional equipment not supplied with standard unit.
TP-69481

Table of Contents Index
Table of Contents Index

7000 Series Disk Cover Index Table of Contents
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© Copyright 2019, 2020 All rights Reserved
Great Plains Manufacturing, Inc. provides this publication “as is” without warranty of any kind, either expressed or implied. While every precaution has been
taken in the preparation of this manual, Great Plains Manufacturing, Inc. assumes no responsibility for errors or omissions. Neither is any liability assumed
for damages resulting from the use of the information 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.
Trademarks of Great Plains Manufacturing, Inc. include: AccuShot, Max-Chisel, Row-Pro,
Singulator Plus, Short Disk, Swath Command, Terra-Tine, Ultra-Chisel, and X-Press.
Registered Trademarks of Great Plains Manufacturing, Inc. include: Air-Pro, Clear-Shot, Discovator, Great Plains, Land Pride, MeterCone,
Nutri-Pro, Seed-Lok, Solid Stand, Terra-Guard, Turbo-Chisel, Turbo-Chopper, Turbo-Max, Turbo-Till, Ultra-Till, Whirlfilter, and Yield-Pro.
Brand and Product Names that appear and are owned by others are trademarks of their respective owners.
Printed in the United States of America
Table of Contents
Important Safety Information.................................................1
Introduction.............................................................................4
Description of Unit .............................................................4
Models Covered ................................................................4
Document Family...............................................................4
Tools Required ..................................................................4
Pre-assembly Checklist .....................................................4
Using This Manual.............................................................5
Definitions...................................................................5
Shipping.............................................................................6
Unloading ..........................................................................6
Unload Smaller Items First .........................................6
Unload Disk Harrow ...................................................6
Unpacking Boxes .......................................................6
Further Assistance .....................................................6
Assembly.................................................................................7
Narrow Center Hub and Wheel Assembly..................7
Center Frame Gang Assembly...................................8
Scraper Adjustment....................................................9
Hitch and Level Link Assembly ................................10
Hydraulic Assembly..................................................12
Attach Hose Clamps and Hose wraps......................12
Hydraulic Hose Hookup............................................13
Hose Handles...........................................................13
Purging Hydraulic System ........................................13
Light Brackets and SMV Assembly ..........................14
C-Shank Alignment-Disc Gang Assembly................15
Appendix - Reference Information ......................................16
Torque Values Chart .......................................................16
Tire Inflation & Warranty..................................................17
Hydraulic Connectors and Torque...................................17
Hydraulic Lift Layout ........................................................18
7110DH Layout................................................................19
7112DH Layout................................................................20
7115DH Layout................................................................21
7110DH 3 Bar Coiltine Harrow Layout ............................22
7110DH 3 Bar Spike HR Harrow Layout .........................23
7110DH Finishing Reel Layout........................................24
7112DH 3 Bar Coiltine Harrow Layout ............................25
7112DH 3 Bar Spike HR Harrow Layout .........................26
7112DH Finishing Reel Layout........................................27
7115DH 3 Bar Coiltine Harrow Layout ............................28
7115DH 3 Bar Spike HR Harrow Layout .........................29
7115DH Finishing Reel Layout........................................30

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7000 Series Disk Table of Contents Index

7000 Series Disk Table of Contents Index Important Safety Information
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Important Safety Information
Look for Safety Symbol
The SAFETY ALERT SYMBOL indicates 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, concern,
prudence and proper training of personnel involved in the
operation, transport, maintenance and storage of equipment.
Be Aware of Signal Words
Signal words designate a degree or level of hazard seriousness.
DANGER 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 functional purposes, cannot be
guarded.
WARNING indicates a potentially hazardous situation 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.
CAUTION indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury. It may
also be used to alert against unsafe practices.
Use Adequate Lifting Means
The frame sections and gangs of this machine are
extremely heavy. If using multiple lifters, make sure each
is rated for at least its share of the load.
Prepare for Emergencies
Be prepared if a fire starts
Keep a first aid kit and fire extinguisher handy.
Keep emergency numbers for doctor, ambulance, hospital
and fire department near phone.
Be Familiar with Safety Decals
Read and understand the “Safety Decals” section of the
Operators Manual.
Read all instructions noted on the decals.
Keep decals clean. Replace damaged, faded and illegible
decals.
> 14,000
POUNDS

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7000 Series Disk Table of Contents Index Important Safety Information
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 entertainment headphones while
operating machinery.
Avoid High Pressure Fluids
Escaping fluid under pressure can penetrate the skin, causing
serious injury.
Avoid the hazard by relieving pressure before
disconnecting hydraulic lines.
Use a piece of paper or cardboard, 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, seek immediate medical assistance
from a physician familiar with this type of injury.
Use Safety Lights and Devices
Slow-moving tractors 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
Keep Riders Off Machinery
Riders obstruct the operator’s view. Riders could be struck by
foreign objects or thrown from the machine.
Never allow children to operate equipment.
Keep all bystanders away from machine during operation.
Shutdown and Storage
Lower implement, put tractor in park, turn off engine, and
remove the key.
Secure Disk Harrow using blocks and supports provided.
Detach and store Disk Harrow in an area where children
normally do not play.

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Tire Safety
Tire changing can be dangerous and should be performed by
trained personnel using correct tools and equipment.
When inflating tires, use a clip-on chuck and extension
hose long enough for 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.
Safety At All Times
Thoroughly read and understand the instructions in this
manual before operation. Read all instructions noted on the
safety decals.
Be familiar with all machine functions.
Operate machinery from the driver’s seat only.
Do not leave machine unattended with tractor engine
running.
Do not stand between the tractor and machine 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 folding and raising
machine. Make sure all persons are clear of working area.

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7000 Series Disk Table of Contents Index Introduction
Introduction
The Disk Harrow has been designed with care and built by
skilled workers using quality materials. Proper setup,
maintenance, and safe operating practices will help the
customer get years of satisfactory use from the machine.
Description of Unit
The 7000 Series Disk is a single section primary and
secondary tillage tool. Working width ranges from 10 to 15
feet. The implement is designed to cut out and bury roots and
crop residue, kill weeds and dry out the soil, level ridges and
ruts and for seedbed preparation. Various finishing
attachments are also available to further smooth, redistribute
residue, kill weeds, and break clods
Models Covered
Document Family
Tools Required
•
Basic Hand Tools
• Torque Wrench
• Fork Truck, Overhead Hoist or Loader
Pre-assembly Checklist
1. Before assembling, read and understand “Important
Safety Information” in front part of this manual.
2. Have at least two people on hand while assembling.
3. Make sure area is level and free of obstructions
(preferably an open concrete area).
4. Have all major componets
5. Have all fasteners and pins shipped with machine.
7110DH 10-Foot 1-section
7112DH 12-Foot 1-section
7115DH 15-Foot 1-section
556-427Q Pre-Delivery Manual (this document)
556-427M Operator Manual
556-427P Parts Manual
Figure 1
7110 Disk Harrow
TP-69481

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Using This Manual
This manual was written to help you assemble and prepare the
new machine for the customer. The manual includes instruc-
tions for assembly and setup. Read this manual and follow the
recommendations for safe, efficient and proper assembly and
setup.
An operator’s and parts manual is also provided with the new
machine. Read and understand “Important Safety Informa-
tion” and “Operating Instructions” in the operator’s manual
before assembling the machine. Refer to the parts manual for
proper part’s identification. As a reference, keep the operator’s
and part’s manual on hand while assembling.
The information in this manual is current at printing. Some
parts may change to assure top performance.
Definitions
The following terms are used throughout this manual.
A crucial point of information related to the preceding topic.
Read and follow the directions to remain safe, avoid serious
damage to equipment and ensure desired field results.
Useful information related to the preceding topic.
Right-hand and left-hand as used in this
manual are determined by facing the
direction the machine will travel while in
use unless otherwise stated. An orientation
rose in some line art illustrations shows the
directions of: Up, Back, Left, Down, Front,
Right.
Figure 2
Right / Left
TP-69481
L
R
U
D
F
B
L
R
U
D
F
B
L
R

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7000 Series Disk Table of Contents Index Introduction
Shipping
The Disk Harrow will be shipped partially pre-assembled.
Refer to Figure 3
• The machine will be shipped with center frame and wings
stacked on stands and banded together.
• Finishing attachments (if equipped), will be shipped with
mounted brackets assembled and all bolts will be in a box.
• Remove unit from shipping stands (if equipped), after
machine is lowered to ground and carefully un-band all
components.
• The shipping stand bolts are not used in the assembly of
unit.
• The shipping stands do not need to be returned to Great
Plains.
Unloading
Be sure the truck is on level ground, preferably concrete.
Centering components:
Be sure and center fork truck or chains (overhead hoist) on
componets so they won’t slide and cause injury.
Unload Smaller Items First
Unloading the Disk Harrow is a potentially dangerous
operation.
Reduce risk and complications by first unloading
1. gangs and finishing attachments
2. misc. boxes
3. Disk Harrow (described in the next section)
4. Place these components well out of the maneuvering area
needed for unloading the Disk Harrow.
Unload Disk Harrow
5. Double-check that all chains and tie-down straps have
been released and stowed.
6. Set parking brake on trailer tractor.
7. Slowly lift the Disk Harrow off trailer bed using two fork
lifts.
8. Stop lifting about 12” above the bed.
9. Have the truck driver slowly pull the trailer straight out
from under the Disk Harrow.
10. Making sure to keep level from front to back and side to
side, slowly lower the Disk Harrow.
11. Lower the Disk Harrow down until the machine is about
12” off ground.
12. Remove shipping stands.
Unpacking Boxes
Position boxes in area that you can maneuver components
up to machine to assembly.
13. Carefully remove banding from boxes.
14. Carefully remove banding from gangs and finishing reels.
15. Locate and identify all components before assembling.
Further Assistance
Great Plains Manufacturing, Inc. wants you to be satisfied
with your new Disk Harrow. If for any reason you do not
understand any part of this manual or are otherwise dissatisfies
with the product please contact:
Great Plains Service Department
1525 E. North St.
PO Box 5060
Salina, KS 67402-5060
Or go to www.greatplainsag.com and follow the contact
information at the bottom of your screen for our service
department.
Figure 3
Disk Harrow Shipping
TP-69564

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Assembly
Narrow Center Hub and Wheel Assembly
Refer to Figure 5
All bolts will be pre-installed on the unit in their proper
location. Bolts will need to be removed and then re-
installed during assembly. See “Parts Manual” for
complete break down of parts.
1. Set the two center frame section (11) on stands (12) that
are tall enough to allow for installation of the wheel hubs
and tires as shown.
2. Bolt the sections together using 34” x 214” (13) hex bolts
and secure with 34” lock washers and 34” nuts.
3. Use 1.25x7.575 hardened pins (23) to attach torque tube
to frame, to secure in place use 12 x 2
58 Gr 8 bolt and
lock nut.
4. Bolt on SMV bracket (14) with a34x5
132 x5 12” (15) u-
bolts and secure with 34” lock washers and 34” nuts.
Secure the SMV sign (24) to the bracket using 14x34”
pan head screws (17), 14” lock washers and” 14 hex nuts.
5. To assemble the transport, bolt on spindles (18) use
34x 5” Gr. 8 (19), 34 lock washer and nut, to secure to the
torque tube (20).
6. Install tire/wheel (21) with 916” lug nuts (22).
7. Bolts may be tightened to specs, See “Torque Values
Chart” on page 14.
11
22
21
18
19
U
D
F
B
L
R
13
12
14
20
15
17
23
24
Figure 4
Frame, Hub and Wheel
TP-69418

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7000 Series Disk Table of Contents Index Assembly
Center Frame Gang Assembly
Refer to Figure 5
The gang assemblies (1) will be marked as to the location
on disk as “left, front”. This would refer to the left, front
gang. You may also refer to the machine layout section for
placement.
8. Secure the gang assemblies (1) to the frame (2) with the
6132” x 734” u-bolts (3) 34” lock washers and 34” hex
nuts. For gang placement see layouts in “Appendix -
Reference Information”
9. Bolts may be tightened to specs, See “Torque Values
Chart” on page 16.
Figure 5
Gang to Frame Assembly
TP-69504
1
2
1
3

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Scraper Adjustment
Refer to Figure 6
10. Assemble scraper bars by installing scraper assemblies (1)
on to the tubes in approximate locations, leave the
12x2 132 x3 14 u-bolts (2) lose so that the scrapers can be
moved after the bars are attached to the gang assemblies.
11. Use 12x2
132 x3 14u-bolts (2) to attach the scraper bar to
the scraper bracket (4).
12. To adjust the disk scrapers loosen the u-bolts (2) that hold
the disk scrapper assembly (1) to the scraper tube (3) and
move the scraper until it is about 18” from the disc blade.
Scrapers are not installed on the front outer most
blades.
Figure 6
Scraper Adjustment
TP-69483
2
1
3
4
2

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7000 Series Disk Table of Contents Index Assembly
Hitch and Level Link Assembly
Refer to Figure 7
13. Install hitch assembly (11) to front of center frame with the 114” x 8” Gr. 8 hex bolts (12) provided. Be sure and install 114”
machine washers (13) as needed on both sides, to insure a tight fit (be sure and have same amount on both sides of hitch).
Secure with the 114” top lock nuts. Bolts need to be tightened down securely on the ball joints but do not torque as hitch
needs to pivot freely.
14. If there is an attachment with the unit, weights may need to be installed inside the hitch (11). Remove hitch end cap (22) from
front of hitch and slide in the flat weight plates (23), reinstall front plate using 38x1
14” bolts and washers. Place plates into
the tongue with the orientation shown in Figure 7, and slide them to one side, be sure not to let the bars fall over, hold the
plates upright with a tool while installing the rest of the plates.
15. Remove the tongue jack (14) from its storage location at rear of hitch and install it on the jack stub at the front of the hitch
frame to support the front side of hitch.
16. Connect the bottom of leveling turnbuckle (15) to rear of hitch with 114” x 6” Gr. 5 special thread bolt (16), and 1” nylon lock
nut, (do not torque bolt), connect the top of the turnbuckle to the middle hole of leveler assembly (17) with the 114” x 11”
hinge pin (18), secure pin with 12” x 258” Gr. 8 special thread hex bolt and 12” top lock nut. The turnbuckle will be adjusted
when the machine is completely assembled and you are leveling the machine. This procedure is outlined in the operators
manual.
17. The Level Bar Spring nuts should be tightened so that the dimension from the spring guide to the front of the level bar is
2612” (see illustration inset.)
18. Attach spring hose loop (20) to front of hitch assembly with 12” x 112” hex bolts (21), 12” flat washers, 12” lock washers and
12” nuts.
19. Bolts may be tightened to specs, See “Torque Values Chart” on page 14.

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12
11 13
17
18
15
U
D
F
B
L
R
12
14
16
20
21 23
22
Figure 7
Hitch to Frame Assembly
TP-69503

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7000 Series Disk Table of Contents Index Assembly
Hydraulic Assembly
Refer to Figure 8
21. Route the tractor end of the hydraulic hoses (1) thru the
spring hose loop (2) and store. Approximately 3’ of hose
should extend past the hitch point. Attach hose wraps on
hoses to prevent hoses from dragging or getting pinched.
22. See “Attach Hose Clamps and Hose wraps” on page 12
for proper assembly.
Attach Hose Clamps and Hose wraps
Refer to Figure 9
23. Make sure all Stauff Clamps are tight and that hoses are
routed correctly. If not install hose clamps on hoses as
shown.
24. Install hose wraps on hoses as needed.
Be sure and get hoses and light wiring harness
fastened properly so they do not drag. Check to be
sure there is enough slack in hinge area when folding
machine the first time.
1
2
Figure 8
Hydraulic Routing
TP-69440
Figure 9
Hose Clamp Assembly
43454

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Hydraulic Hose Hookup
25. Great Plains hydraulic hoses are color coded to help you
hookup hoses to your tractor outlets. Hoses that go to the
same remote valve are marked with the same color.
Refer to Figure 10
Hose Handles
26. To distinguish hoses on the same hydraulic circuit, refer to
hose handles. The hose under an extended-cylinder
symbol feeds a cylinder base end. The hose under a
retracted-cylinder symbol feeds a cylinder rod end.
27. Once all hoses are tightened, hook hoses to tractor
Purging Hydraulic System
28. Charge the lift system, once the hydraulic hoses are
hooked into the cylinder, extend the cylinder (black
handles) until the unit is fully raised. Raise and lower the
unit several times to purge air from system. Watch for
leaks and re-tighten fittings if necessary.
Color Hydraulic Function
Black Lift (2 hoses)
High Pressure Fluid Hazard:
Relieve pressure before disconnecting hydraulic lines. Use
paper or cardboard, NOT BODY PARTS, to check for leaks.
Wear protective gloves and safety glasses or goggles when
working with hydraulic systems. Escaping fluid under pressure
can have sufficient pressure to penetrate the skin causing
serious injury. If an accident occurs, seek immediate medical
assistance from a physician familiar with this type of injury.
Only trained personnel should work on system hydraulics.
Figure 10
Hose Handles
41552

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7000 Series Disk Table of Contents Index Assembly
Light Brackets and SMV Assembly
Refer to Figure 11
29. Install the amber light bracket assemblies (1) to center
bars with the u-bolts provided with brackets. Position the
amber light brackets (1) in-line with the bolts on the
center frame for the p-clamps.
30. Attach red lights (2) on the center frame with the bolts,
lock washers and the nuts provided in the locations
shown.
31. Connect the wiring harness (3) leads marked right and
left, red and amber to the appropriate side of the machine
for turn signals to be correct. For the amber lights, thread
the wires through the light bracket tubing before
connecting to the lights. Connect wiring to red lights and
secure with zip ties to the light brackets.
32. Tighten all bolts to specs, See “Torque Values Chart” on
page 14.
1
2
3
1
2
Figure 11
Narrow Center Lights
TP-69502

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C-Shank Alignment-Disc Gang Assembly
Refer to Figure 12
33. If gangs are removed from the gangbar for maintenance,
care must be taken to re-align the parts correctly during
re-assembly. See figure below for the proper C-shank
alignment dimensions and pre-assembly procedures.
Null4.aac:
34. At this time the unit should be checked over for any loose
bolts. Air pressure in the tires should be checked, See
“Tire Inflation & Warranty” on page 17. Refer to the
lubrication section of the “Operators Manual” for the
lubrications for this machine. If there is any rear
attachment, it should be installed at this time.
If machine is equipped with a rear attachment, be sure you
install the rear jack stand, see “Parts Manual” Rear Jack
Stand, so machine doesn’t tip backwards when unhooking
machine from tractor.
Double check that all bolts are tightened to specs, See
“Torque Values Chart” on page 14.Consult the
“Operator’s Manual”, for the first time field adjustments
before going to the field.
4
32
1
Figure 12
C-Shank Alignment-Disc Gang
43464

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7000 Series Disk Table of Contents Index Appendix - Reference Information
Appendix - Reference Information
Torque Values Chart
Torque Values Chart
Disk Gang Torque 1
3

4
”-5 900-1100ft-lbs (170 lbs on 6’ Cheater)
Wheel Bolt Torque Values
1

2
”-20 (75-85ft-lbs)
Wheel Bolt Torque Values
9

16
”-18 (80-90ft-lbs)
Wheel Bolt Torque Values
5

8
”-18 (85-100ft-lbs)
946
25199m
Bolt
Size
Bolt Head Identication
Bolt
Size
Bolt Head Identication
Grade 2 Grade 5 Grade 8 Class 5.8 Class 8.8 Class 10.9
in-tpiaN-mbN-m N-m mm x pitchcN-m N-m N-m
1⁄4-20 7.4 11 16 M 5 X 0.8
1⁄4-28 8.5 13 18 M 6 X 1 71115
5⁄16-18 15 24 33 M 8 X 1.25 17 26 36
5⁄16-24 17 26 37 M 8 X 1 18 28 39
3⁄8-16 27 42 59 M10 X 1.5 33 52 72
3⁄8-24 31 47 67 M10 X 0.75 39 61 85
7⁄16-14 43 67 95 M12 X 1.75 58 91 125
7⁄16-20 49 75 105 M12 X 1.5 60 95 130
1⁄2-13 66 105 145 M12 X 1 90 105 145
1⁄2-20 75 115 165 M14 X 2 92 145 200
9⁄16-12 95 150 210 M14 X 1.5 99 155 215
9⁄16-18 105 165 235 M16 X 2 145 225 315
5⁄8-11 130 205 285 M16 X 1.5 155 240 335
5⁄8-18 150 230 325 M18 X 2.5 195 310 405
3⁄4-10 235 360 510 M18 X 1.5 220 350 485
3⁄4-16 260 405 570 M20 X 2.5 280 440 610
7⁄8-9 225 585 820 M20 X 1.5 310 650 900
7⁄8-14 250 640 905 M24 X 3 480 760 1050
1-8 340 875 1230 M24 X 2 525 830 1150
1-12 370 955 1350 M30 X 3.5 960 1510 2100
11⁄8-7 480 1080 1750 M30 X 2 1060 1680 2320
11⁄8-12 540 1210 1960 M36 X 3.5 1730 2650 3660
11⁄4-7 680 1520 2460 M36 X 2 1880 2960 4100
11⁄4-12 750 1680 2730
13⁄8-6 890 1990 3230 a. in-tpi = nominal thread diameter in inches-threads per inch
13⁄8-12 1010 2270 3680 b. N· m = newton-meters
11⁄2-6 1180 2640 4290
11⁄2-12 1330 2970 4820
c. mm x pitch = nominal thread diameter in mm x thread pitch
Torque tolerance + 0%, -15% of torquingvalues. Unless otherwise specified use torquevalues listed above.
5.8 8.8 10.9
25199
ft-lbdft-lb ft-lb ft-lb ft-lb ft-lb
5.6 8 12
61014 5 811
11 17 25 12 19 27
13 19 27 13 21 29
20 31 44 24 39 53
22 35 49 29 45 62
32 49 70 42 67 93
36 55 78 44 70 97
49 76 105 66 77 105
55 85 120 68 105 150
70 110 155 73 115 160
79 120 170 105 165 230
97 150 210 115 180 245
110 170 240 145 230 300
170 265 375 165 260 355
190 295 420 205 325 450
165 430 605 230 480 665
185 475 670 355 560 780
250 645 910 390 610 845
275 705 995 705 1120 1550
355 795 1290 785 1240 1710
395 890 1440 1270 1950 2700
500 1120 1820 1380 2190 3220
555 1240 2010
655 1470 2380
745 1670 2710
870 1950 3160
d. ft-lb = foot pounds
980 2190 3560
357