MASSEY FERGUSON 2650 User manual

© AGCO Corporation, 2010 All rights reserved.
Part Number 4283420M1 (English)
Printed in U.S.A.
January 2010
Massey Ferguson®
2650 / 2660 / 2670 / 2680
Tractor
SERVICE MANUAL
4283420M1
CONTENTS
INTRODUCTION.....................................................................................................................................................01
TRACTOR OPENINGS...........................................................................................................................................02
ENGINE ..................................................................................................................................................................03
CLUTCH .................................................................................................................................................................04
GEARBOX..............................................................................................................................................................05
REAR AXLE ...........................................................................................................................................................06
POWER TAKE OFF................................................................................................................................................07
FRONT AXLES.......................................................................................................................................................08
HYDRAULIC SYSTEM...........................................................................................................................................09
ELECTRIC SYSTEM ..............................................................................................................................................10
RESERVED ............................................................................................................................................................11
CAB AND CLIMATIZATION...................................................................................................................................12

01000-I
HD Series 2600
Content - Module 01: Introduction
01
01A01 Introduction
01B01 Tractor general specifications
Find manuals at https://best-manuals.com

01000-II HD Series 2600
Content - Module 01: Introduction
01
Page left blank on purpose.
Find manuals at https://best-manuals.com

0-1
HD Series 2600
Workshop Service Manual - HD Series 2600
Tractor models applied
Massey Ferguson Tractor Series
HD Series 2600
Models and variations
- HD Series 2650
- HD Series 2660
- HD Series 2670
- HD Series 2680
Footstep (Fig. 1) and cab versions (Fig. 2)Fig. 1
Fig. 2
Published by AGCO do Brasil,
Canoas - Rio Grande do Sul - Brasil
Publication Code: MOI2600E01
Issue: 12/09
AGCO do Brasil.
This publication was written according to
international standard ISO 3600 regarding
information, content, and presentation of operator’s
manuals provided with tractors and forestry and
farming equipment.
Find manuals at https://best-manuals.com

Workshop Service Manual - HD Series 2600
0-2 HD Series 2600
Find manuals at https://best-manuals.com

01A01-1
HD Series 2600
Introduction
01
Content
A. Presentation ........................................................................................................................ 2
B. How to use this manual ...................................................................................................... 3
C. Safety .................................................................................................................................. 4
D. Proper workshop techniques ............................................................................................. 7
E. General table of recommended torques for bolts ........................................................... 15
F. Technical units .................................................................................................................. 18
1. Conversion table ........................................................................................................... 18
2. Equivalence between units - Imperial and SI systems ................................................ 21
3. Prefixes of technical units ............................................................................................. 21
G. Products for locking and sealing ..................................................................................... 23
H. Paint specific for tractor paintwork ................................................................................... 25
I. AGCO Environmental Policy ............................................................................................ 26
J. Compulsory recycling of batteries ................................................................................... 29
Find manuals at https://best-manuals.com

Introduction
01A01-2 HD Series 2600
01
A. Presentation
The purpose of this Workshop Manual is to help
Dealers in the efficient maintenance of Massey
Ferguson 200 Series Advanced Tractors.
Good after sale support is becoming increasingly
important. Besides selling a good product, it is
essential to provide good service, because that is
the only way that to reach the greater goal: customer
satisfaction.
With this in mind, the structure of the maintenance
offered by the Dealer is of fundamental importance,
and it should be performed only by trained personnel
who are perfectly familiar with the different
components of the tractor. For this reason, in addition
to undertaking regular refresher courses at one of
AGCO’s Training Units, you should always consult
this Manual before performing the service, whenever
there is any doubt. Beside keeping it in usable
condition, the Service Department should be aware
of the updates that are introduced from time to time
in the tractors and thus in the Manual. .
Fig. 1
Find manuals at https://best-manuals.com

01A01-3
HD Series 2600
Introduction
01
B. How to use this manual
- This manual is divided into Modules (01, 02, 03,
04, 05), and each of them describes a specific
sector of the tractor.
Examples: Engine, front axle, hydraulic systems,
etc.
- Each module is divided into subsections (A, C,
C, D...), which describe a specific type of system
when there are different options.
Examples - Engines: International Engine 4-3.9 /
4-4.1, 1000 Series, etc.
- Each Section is divided into Subsections (01,
02, 03, 04...), and each one described a part or
subdivision.
Examples - Engines: Head, block, crankshaft,
etc.
- Each subsection is divided into chapters (A, B,
C, D...).
Examples: Disassembly, inspection of
components, specification, adjustments, etc.
- Each page of the subsections has a sequence
number beginning with 01.
Fig. 1
Find manuals at https://best-manuals.com

Introduction
01A01-4 HD Series 2600
01
C. Safety
Your safety and the safety of others should be your
first concern when doing maintenance work. For this
to work, you need to do three things: be aware of
what you are doing, use the tools correctly, and use
the right protective equipment, both personal and
collective.
Awareness depends on each person, which means
that every person needs to be aware of what they
are doing and what risks they are taking in their work.
When you learn about a safety rule, don’t think of it
as “don’t do this, don’t do that”. First you should
think about what might happen if you break that rule.
Don’t believe that old idea the “you have to learn by
making mistakes”, because the results of a mistake
might be impossible to fix. Remember: After an
accident, the first thing you think is that you would
do anything to go back and not make that mistake.
Walking 20 meters to get the “right tool” might be
tiresome, but it’s never going to be as much trouble
as an accident that causes injury or damage.
As far as the rules go, it’s impossible to write them
all down. There are too many possible risks. What
we have here are some basic rules as an example.
- Always use the tools and gear that are right for
the job, especially when you are working with
heavy assemblies and parts. Make sure that the
hydraulic jack, the block and tackle, the chain
are in perfect condition, and strong enough for
the load.
- Every time you use a power tool, check that it is
grounded and that there are no exposed wires.
Fig. 2
Fig. 1
Find manuals at https://best-manuals.com

01A01-5
HD Series 2600
Introduction
01
- Always disconnect the negative cable from the
battery, so that no one can accidentally turn on
the starter motor.
-When welding, as well as disconnecting the
battery, you should use the proper protection:
safety mask or goggles, gloves and apron. If
you don’t use eye protection, for example, you
can do permanent damage to your eyes very
quickly!
-When splitting a tractor, you must use the right
cranes and tackle. This will make the work safer,
but also better quality and more profitable.
Always use wooden wedges to chock the
wheels which will not be removed in the job.
-Don’t let the floor of the workshop get soaked
with oil: it will cause accidents, and it lowers the
tone of the shop. Remember: well organized
workshop reflects the quality of the people that
work there.
Fig. 3
Fig. 4
Fig. 6
Fig. 5
Find manuals at https://best-manuals.com

Introduction
01A01-6 HD Series 2600
01
- Never stand under hanging loads. Even though
the equipment is perfectly safe, there is no
reason to tempt fate!
- Don’t leave the engine running in a closed place
without ventilation. It only takes a few minutes
for the exhaust fumes to start to poison you.
- Don’t smoke in the workshop. There is always
the risk of fire with all the flammable products.
- Don’t work with long hair or with loose clothes.
If they get caught in moving machinery, they can
cause serious accidents.
- Before starting the engine of any tractor, check
that no one is working on it, and that no tools
have been left on it. .
Use a warning notice on the instrument panel
to make sure no one turns on the engine if it
has parts removed.
Fig. 10
No
start
engine!!
Fig. 9
Fig. 8
Fig. 7

01A01-7
HD Series 2600
Introduction
01
D. Proper workshop techniques
Most of the repair and service procedures described
in this manual are written with the assumption that
the assembly you are working on has been
completely disassembled and removed from the
machine.
Many services, especially of some components, can
be performed without removing the assembly from
the machine. The mechanic must decide whether it
is necessary or not, bearing in mind the level and
amount of work to be done and the difficulty of
Access.
-{}-The following important point should be
remembered and put into practice.
Identify the problem and clean the machine
before disassembling it (Fig. 11)
If possible, do a complete diagnosis to determine
how much work needs to be done and take all the
precautions necessary to prevent any dirt from
getting into the hydraulic, fuel and air systems.
Don’t mix parts (Fig. 12)
When you take an assembly apart, pay attention to
special parts whose position cannot be changed.
Separate the different nuts and bolts in divided trays
with a screen bottom that permits oil and water to
drain away.
Inspect parts during disassembly and wash
them well.
Label parts and protect precision or polished
surfaces.
Use Original Massey Ferguson Service Parts
Using non-genuine service parts can cause big
problems.
Don’t believe that parts are the same just because
they look the same. Some parts have special
properties, known only to the manufacturer. They are
the result of special requirements established by
intensive studies, engineering tests and field
experience.
Fig. 1
Fig. 2
AGCO has a program for continuous improvements
of parts. Many of these improvements cannot be
seen with the naked eye.
That is why it is extremely important to use only
genuine service parts.

Introduction
01A01-8 HD Series 2600
01
Rule for tensioning belts and chains
Use the following rule to check belt tension:
Apply a load of 10 to 15 kg at the center of the largest
unsupported distance.
Deflection in the belt or chain should be 1 to 2% of
this distance.
In the case of chains, apply sufficient force to bring
all of the deflection to one side: should be 1 to 2% of
the distance between the centers.
Interference fitting of bushings, retainers and
bearings:
Always use a special tool for this job. When
necessary, use a press to apply force. Whenever
necessary, apply the recommended force by means
of a suitable press.
Improvisation in this case leads to wasted time and
damaged parts, which will cause operating
problems.
With bushings, check the internal diameter (or
external diameter, if that is the case) and make an
adjustment if you need to, based on the
specifications in this manual for each situation.
Use correct punches to remove pulleys, hubs
and gears.
Using hammers and levers may damage the parts,
and will probably take longer than using the right
tools!
NOTE
use a protector for the end of the axle.
Use the right tool for each job.
Using the wrong tool just to save a few steps can
end up wasting a lot more time after you damage a
hex nut, a screw slot...
Force of 10 to 15 kgf
Deflection of 1 to 2%
Distance between
centers
Fig. 3
Deflection
Mounting a bushing Mounting a retainer
Fig. 4
Fig. 5
Fig. 6

01A01-9
HD Series 2600
Introduction
01
Removing a stud that has broken in place:
Drill a hole about half the diameter of the broken
stud and use a bolt extractor with the opposite thread
to the stud.
Then remove the stud by turning the bolt extractor
counter-clockwise (in the case of a bolt with right
hand thread).
NOTE:
When you are putting a bolt in a dead end
hole, make sure there is no oil or other
impurity in the hole. Oil forms a hydraulic
block which may damage the housing.
Removing stuck nuts:
There are several ways, depending on the case. But,
the surrounding parts cannot be damaged either
way.
Fig. 7
1 - Using a chisel
2 - With a spliter
3 - Heating;
4 - Penetrating oil
5 - Cut with saw
6 - Impact wrench
Fig. 8
1
23
4
5
6

Introduction
01A01-10 HD Series 2600
01
Correct locking of nuts and bolts
With a cotter pin or some other means, check what
condition it is in. It is usually best to replace them
after disassembly.
How to prevent nuts or bolts from shaking
loose under normal working conditions
There are also a number of ways. Experience and
common sense will tell you the best procedure for
each situation.
1 - Lock sealant
2 - Lock washer
3 - Counter-nut
4 - Locking plates
Whenever you use force on a wrench, always
pull it towards you.
If you push on the wrench and it slips, you are likely
to hurt your hands.
Use open wrenches the right way.
Working with the wrench reversed puts more stress
on it.
Don’t improvise.
Fig. 11
Fig. 9
Fig. 10
12
34
7
7
4
Fig. 12A

01A01-11
HD Series 2600
Introduction
01
Use an open wrench in both grades only to remove
hard-to-access bolts, alternately, until the bolt or nut
is released.
Removing nuts from injection tubes
A box wrench is best, but first you need to cut an
opening in the wrench for the tube to pass through.
Use this wrench only for this purpose.
Mounting parts with interference
Always heat the external part (bearings, hubs, etc)
and/or cool the internal part (axles, valve guides and
seats, etc).
Heating makes a part expand, and cooling makes it
shrink, so using this method you make the fitting
easier and reduce damage to the parts.
The heating should never be done with a direct
flame, because this would weaken the part and make
it brittle.
You should heat the part in hot oil (80 to 90°C / 176
to 194°F) or by electrical induction.
Cooling can be done in a freezer, or in a bucket of
ice or dry ice.
Fig. 13
Fig. 14
Fig. 12B
Fig. 15

Introduction
01A01-12 HD Series 2600
01
Welding
Always disconnect the battery, and remember this
point: Attach the negative terminal (-) of the welder
to the part you are welding (+). This is to avoid
having a high current flowing through parts like
bearings and damaging them.
When you are mounting retainers, always use
the right tool for the job.
This will make sure the part is mounted in the correct
position and undamaged. Otherwise, it may start to
leak after just a few hours of operation. In addition,
make sure that the seat of the retainer is clean.
Lubricate the lip of the retainer. Take special care
when the retainer passes over a splined axle, a
keyway, etc. The slightest cut on the lip will cause
leaks.
Removal and fitting of bearings
To remove bearings, use proper extractors.
It’s important that the extractor be supported on the
race that is fit with interference, thus avoiding
damage to balls and rollers.
When assembling:
- Never hit a bearing directly with a hammer. Use
a suitable tool with a cup shape, or similar.
- When mounting a bearing on an axle, press on
the inner race; when mounting a bearing in a
hole, press on the outer race.
4
4
7
Fig. 16
Fig. 17
Fig. 18
Fig. 19

01A01-13
HD Series 2600
Introduction
01
Protection of dismounted assemblies
If the tractor is going to stay disassembled for a long
time, organize the parts and protect them from dust
and humidity.
Keep new parts in their packaging until they are to
be used.
When putting the parts together, make sure that each
one is perfectly clean, with no plugged holes or
galleries.
The connectors, tubes and terminals of the fuel
injection pump and nozzles should be covered to
prevent any impurities from getting in.
You should do the same with the turbocharger, intake
and exhaust manifolds, etc.
Precision and certainty in adjustments
When putting the tractor back together, complete
every step for one part before moving on to the next
part. complete every step for one part before moving
on to the next part.
Make all of the adjustments that are recommended.
Check as many times as necessary to make sure
that everything is exactly right.
Adjustment shims
When removing bearing adjustment shims, keep
them together, and identify their location. Store them
clean and flat.
Electrical cables
Whenever you remove or disconnect a group of
wires or cables, identify the correct position of each
one with a tape label, to avoid incorrect reassembly.
Fig. 21
Fig. 20
Fig. 22
Adjustment
shims
Fig. 23

Introduction
01A01-14 HD Series 2600
01
Removal of lock rings
In order to remove and refit lock rings or split rings,
always use the correct pliers - Fig. 34.
Attention needed: the engagement holes (1) for pliers
are usually tapered in order to secure the pliers more
easily when removing or fitting rings.
But for that to occur, the rings should be fit so as the
small diameter of the tapered holes be towards the
pliers.
It will be hard to handle a ring when it is up side
down, since the tips of the pliers tend to be forced
out of the ring. See picture.
Besides making the operation more difficult, with
potential damage to the ring, there is serious risk of
the ring being abruptly thrown out, causing serious
injuries.
Always wear goggles.
Fig. 25
NOTE:
It is very important to talk with the operator
of the tractor to get the most detailed
description you can of the symptoms.
e) Work out the time and the parts needed for the
job.
f) Do the required repairs.
g) After repairs and before delivery, perform a final
check and if required a practical test by
simulating operating conditions.
h) If necessary, instruct the operator so as the
problem presented be avoided in the future.
Massey Ferguson special tools
These should be stored in their boards, properly
identified and numbered.
NOTE:
Otherwise, precision measurements like
crankshaft wear will be unreliable, and
can lead to serious mistakes!
Troubleshooting
This usually takes some experience. Even so, you
should follow a logical procedure, which will prove
its value on many occasions.
This basically consists of following a defined order
of problem solving with a “beginning, middle and
end”.
Basically, we can define the steps as follows:
a) Determine what the problem is, by analyzing the
symptoms.
b) List the possible causes.
c) Keep a record of what you have checked.
d) Do the tests in a logical order to find the true
cause of the problem.
Fig. 24
1
4
7

01A01-15
HD Series 2600
Introduction
01
E. General table of recommended
torques for bolts
Guide for use of the tables
✔Only use these tables when the torque is not
specified.
✔Use tables 1A and 2A for LOW torque:
- When there is risk of damage to the parts held
by the bolt.
- When there are thick or compressible joints
between the components.
- When the surfaces to be joined are not plane or
not parallel.
✔With non-plane, non-milled surfaces against the
head of the bolt or nut.
The illustration below shows why correct tightening
is essential, as it determines the tension in the bolt
(or stud), and thus the compression in the
components.
✔Use tables 1B and 2B for NORMAL Torque:
- When there is no risk of damage to the parts
held by the bolt.
- When it’s necessary a higher tightening torque
to ensure the bolt or nut is properly secured.
- When the thread is not lubricated before
assembly.
✔The gauge of nuts and bolts, in mm (ISO) or in
inches, is the diameter (D) in the drawing below,
and not the width (s) of the head.
Fig. 2
Fig. 1
S