MASSEY FERGUSON MF 300 Series Workshop Service Manual page 8

Introduction and Safety in the Workshop
INTRODUCTION
The purpose of this manual is to assist Dealers and
Distributors in the efficient repair and maintenance of
Massey Ferguson farm machinery. Carrying out the
procedures as detailed, together with the use of special
tools where appropriate, will enable the operations to be
completed within the time stated in the Repair Time
Schedule.
To assist with locating information, each section of the
manual is preceded by a contents page listing the
operations. Each instruction within an operation has a
sequence number, and to complete the operation in the
minimum time it is essential that these instructions are
performed in numerical sequence commencing at 1,
unless otherwise stated.
When applicable, these sequence numbers identify the
components in the appropriate illustration. Where an
operation requires the use of a special tool, the tool
number is quoted under the operation heading and is
repeated in, or following, the instruction involving its use.
Indexing
For convenience the manual is divided into sections and
parts, each page bearing a section and part number. The
sections are subdivided into numbered operations.
Example: 1-7 A would be Operation 1 in Section 7, Part A.
This simplifies cross referencing and enables the subject
to be found easily.
Definition of Terms
The operation descriptions generally used throughout the
schedules may be defined as follows:
Removal and Refitment-Remove and refit an original part
or assembly, or a new part or assembly which does not
involve additional operations or time.
Install -Install a part or component not previously fitted
e.g., accessories.
a part or assembly, dismantle, inspect
Overhaul-Remove
and recondition, re-assemble, and re-install making all
necessary adjustments.
Dis-assembly and Re-assembly
'Dis-assembly' and 'Re-assembly' indicate the orderly
taking apart of an assembly into individual parts and
rebuilding it into the original assembly.
Adjust - Make the necessary adjustments to restore
specified setting or performance.
Check - Ascertain if a setting or condition is within the
limits of acceptability, either as defined in the
manufacturer's specifications or, where a dimension is not
specified, in the judgement of the mechanic.
checking of fixings, e.g. nuts and bolts, includes
tightening to the specified torque figures listed in this
Manual.
Servicing -All technical work undertaken to maintain the
machine in working order.
1A-2
Special Tools
Where the use of a special tool is specified in an operation
the tool number will be shown under the operation heading
and also following the instruction requiring its use.
The use of the special tools mentioned in the text
contributes to a safe, efficient and profitable repair. Some
operations are impracticable without their use, for
example, the refitment of the differential unit. Distributors
and Dealers are therefore urged to check their tools
against the list provided. Where necessary, tools may be
ordered from: AGCO Limited. Product Reliability, Banner
Lane, Coventry. CV4 9FG (Phone 44 (0) 1203 694400)
(Fax 44 (0) 1203 852318).
For further details, refer to the special tool catalogue for
this range of tractors, Publication No. 1856 550 M5, or
Section 14 of this manual.
Repairs and Replacements
When service parts are required it is essential that only
genuine Massey Ferguson replacements are used.
Attention is particularly drawn to the following points
concerning repairs and the fitting of replacement parts
and accessories:
Safety features embodied in the tractor may be impaired if
other than genuine parts are fitted.
In certain territories, legislation prohibits the fitting of parts
not to the tractor manufacturer's specification. Torque
wrench setting figures given in the Workshop Manual must
be strictly adhered to. Locking devices where specified
must be fitted. If the efficiency of a locking device is
impaired during removal it must be renewed.
The tractor warranty may be invalidated by the fitting of
other than genuine Massey Ferguson parts. All Massey
Ferguson replacements have the full backing of the
manufacturer's warranty. Massey Ferguson Distributors
and Dealers are obliged to supply only genuine service
parts.
Repair of the Tractor
Follow these important points:
The terms
CLEAN THE TRACTOR AND DIAGNOSE THE FAULT
BEFORE DIS-ASSEMBLY.
If possible, make a complete diagnosis to determine the
extent of the repair required. Take precautions, as
necessary, to prevent dirt or other foreign material entering
the hy draulic, fuel or air sy stems.
DO NOT MIX PARTS.
Make particular note of special parts which should not be
The
interchanged.
DURING DIS-ASSEMBLY, CLEAN PARTS THOROUGHLY
AND INSPECT THEM FOR WEAR, DAMAGE, ETC.
LABEL PARTS. PROTECT PRECISION OR MACHINED
SURFACES.
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MF 300 series
ACT0027090