Group 23 EMS 2 General
General information
About this Workshop Manual
This Workshop Manual contains descriptions and in-
structions for the repair of standard versions of en-
gines: TAD1640GE, TAD1641GE, TAD1642GE, TWD1643GE,
TAD1641VE, TAD1642VE, TAD1643VE, TAD1650VE.
The workshop manual can illustrate tasks done on
any of the engines noted above. This means that the
illustrations and photographs which clarify certain de-
tails might, in some cases, not correspond with other
engines. Repair methods are similar in all important
respects, however. The Engine Designation and En-
gine Numbers can be found on the product plate. See
”Technical data TAD1640GE, TAD1641GE,
TAD1642GE, TWD1643GE, TAD1641VE,
TAD1642VE, TAD1643VE, TAD1650VE”.
Please always include both the engine designation
and the engine serial number in all correspondence.
The Workshop Manual is produced primarily for the
use of Volvo Penta workshops and service techni-
cians. For this reason the manual presupposes a cer-
tain basic knowledge and that the user can carry out
the mechanical/electrical work described to a general
standard of engineering competence.
Volvo Penta constantly improves its products, so we
reserve the right to make modifications without prior
notification. All information in this manual is based on
product data which was available up to the date on
which the manual was printed. Any material changes
introduced into the product or service methods after
this date are notified by means of Service Bulletins.
Spare parts
Spare parts for the electrical and fuel systems are
subject to various national safety requirements. Volvo
Penta Original Spare Parts meet these specifications.
Any type of damage which is the result of using spare
parts that are not original Volvo Penta parts for the
product in question will not be covered under any war-
ranty or guarantee provided by AB Volvo Penta.
Certified engines
The manufacturer warrants that both new and current-
ly operating engines that are certified to national and
regional environmental regulations meet environmental
requirements. The product must correspond to the en-
gine that was approved during certification. The follow-
ing requirements for service and spare parts must be
complied with, for Volvo Penta as a manufacturer to
be responsible for ensuring that engines in use com-
ply with the stipulated environmental requirements:
Service and maintenance intervals recommended
by Volvo Penta must be followed.
Only Volvo Penta Original Spare Parts intended
for the certified engine version may be used.
Service work that covers injection pumps, pump
settings, and injectors must always be carried out
by an authorized Volvo Penta workshop.
The engine must not be converted or modified in
any way, except for the accessories and service
kits which Volvo Penta has approved for the en-
Any seals on the engine may not be broken by
unauthorized persons.
IMPORTANT! When spare parts are needed,
use only Volvo Penta Original Spares.
Use of non-original parts will result in AB
Volvo Penta being unable to warrant that
the engine corresponds to the certificated en-
gine version.
Any damage, injury and/or costs which arise
due to the use of non-original Volvo Penta
spares for the product in question will not be
compensated by Volvo Penta.

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