Stiga TC 108 SD, Workshop Manual, Page: 2 / 79

WORKSHOP MANUAL
TC 108 SD - TC 118 SD
3. Maintenance
This chapter covers the main aspects of a servi c­
ing procedure.
A specific chapter is dedicated to a quick trouble­
shooting guide on the most frequent questions
and the chapter references providing information
on the interventions required to resolve the same.
4. Adjustments and tuning
his chapter deals with the adjustments to be ma de
to remedy the more frequent performance fai lures
and are usually resolved by quick checks and tun­
ings.
5. Removal of external parts and main assem-
blies
For doing more difficult jobs, greater accessibility
may be required. This can be done by taking the
unit concerned off and working at the bench, or by
removing the cover or other external parts.
Whether or not this will be useful is at the discre­
tion of the mechanic’s experience.
6. Repairs
This chapter deals with all the more complex work
connected with the replacement or repair of mal­
functioning or worn parts.
The descriptions must follow a logical sequence­
and can include operations not specifically con­
nected to a particular type of repair.
In this case, careful reading of the entire procedure
can help you omit all those operations not connect­
ed with the case in hand without, however, over­
looking anything that may be necessary.
7. Electrical system
This chapter deals with the problems and checks
con nect ed with the electrical system.
All work can be done using a tester without ha ving
to use special equipment.
The electrical diagrams can be useful to you for
B) Identification and number of the page based on
the following criteria:
– the first field indicates the section and chapter;
– the second field indicates the revision index;
– the third field indicates the chapter validity start
date, i.e. the year of manufacture of the ma-
chine;
– the fourth field indicates the page number and
total number of pages dedicated to the subject.
C) Chapter title.
D) General information, references to other chapters
in the manual, technical information related to the
topic, and buttons with links to the machine oper-
ating units map can be found in the left column on
each initial page.
SECTIONS OF THE MANUAL
The content of the manual is divided into sections
which correspond to the various subjects and the dif-
ferent types of servicing.
1. Rules and procedures for Service Centres
This chapter covers all the main aspects of the re­
lationship between the manufacturer and the ser­
vice centres.
A close collaboration between the manufacturer
and the service centres is conclusive for solv­
ing problems in the most effective way as well as
maintaining an image of efficiency and reliability.
Compliance with these brief and simple guide­
lines will facilitate this task and prevent general
mi sunderstandings and time­wasting for both the
manufacturer and the service centre.
2. General regulations
This chapter covers the main aspects of a servi­
c ing procedure and the general rules for guaran­
teeing a successful service which protects the
en vironment and respects the safety of both the
ser viceman and the user of the apparatus.
GENERAL INFORMATIONS
The purpose of this manual is to assist Service Cen-
tres service, disassemble and repair machines.
The manual has left out the simplest and quickest
operations that can be handled by a good mechanic,
while concentrating more on specific aspects with
tips and advice on the best servicing procedures.
Please take time to read through this manual to ac-
quire a basic understanding of the machine, which is
necessary for working rationally without making er-
rors or wasting time.
All problems related to the use of the machine are
fully covered in the User manual.
STRUCTURE OF THE MANUAL
The manual is divided into sections and chapters.
Each page of this manual states the following infor-
mation:
A) Machines or series of machines to which the con-
tents of the chapter are applicable.
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HOW TO USE THE MANUAL
WORKSHOP MANUAL
Map of functional units
TC 108 SD - TC 118 SD
The transmission unit (11) is supported by a holder
(12) fixed by a screw with nut (13) and is fixed to the
chassis by four screws with relative nuts (14).
Undo the nut (13) and then carefully undo the four
lower nuts (14), holding up the unit so that it does not
fall.
Remove the rear part of the wheel cover
Remove the rear tank (if installed)
Lift the rear part of the machine
Remove the rear wheels.
Working from the rear section, grasp the two branch-
es of the belt (1), pulling it just enough to free it from
the pulley throat (2), overcoming the resistance of the
idler pulley spring.
Remove the drive control rod (3) by unscrewing the
relative pin nut (4) and the brake rod (5) by un screwing
the nut (6) under the lever.
General informations
The rear axle (Transaxle) is made up of a single
maintenance free sealed unit which includes the
transmission unit (hydrostatic) and the differen-
tial and doesn’t need any maintenance.
It only needs to be removed to be replaced or for
an overhaul by the Manufacturer’s Service Cen-
tre.
Related topics
[ 2.3] Lifting of the machine
[ 4.2] Brake adjustment
[ 4.4] Drive pedal adjustment
[ 5.2] Removal of the rear cover
[ 5.7] Removal the rear tank (if present)
[ 6.1] Removal of the wheels
Tightening torques
13 Rear axle support nut .................. 25 ÷ 30 Nm
14 Rear axle fastening nuts .............. 25 ÷ 30 Nm
REMOVAL OF THE REAR AXLE
(Tuff Torq K46F)
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A C B
D