Volvo Penta TAMD61A User Manual

14
Design and function
l New sea water pump
l Stop function with solenoid valve
l New electrical system with sealed connectors
and cables run in flexible hoses. Junction boxes,
monitors and sensors have rubber mountings (vi-
bration reducing)
l New alternator (engines with 24V electrical sys-
tems)
TAMD63P-A – TAMD63L-A
TAMD63L-A has:
l Lower power rating
l Injection pump with changed settings
l New injector with changed opening pressure and
other hole design
l Turbocharger with wastegate valve
TAMD71A – TAMD71B
TAMD71B has:
l Higher power
l New cylinder liners, pistons and piston rings. The
upper piston ring is of the “Keystone” type.
l Injection pump with changed settings
l Injectors with higher opening pressure
l New stop solenoid
TAMD71B – TAMD72A
TAMD72A has:
l Higher power
l Modified cylinder heads with new valve seats
(inlet and exhaust valves).
l Changed valve clearance (inlet and exhaust)
l New upper piston rings (higher) of the “Key-
stone” type.
l New pistons with higher compression ratio and
suited to the new piston rings.
l Larger oil cooler
l Different oil change intervals
l New injection pump with higher injection pressure
and changed settings.
l Reinforced pump coupling
l New centrifugal regulator
l New injectors with changed injection pressure
l Reinforced supply pipes
l New turbocharger with separate wastegate
l Electric starting heater and by-pass valve are
extra equipment (not normally needed because of
the higher compression)
l New external styling
Design differences, engine
versions
This workshop manual applies to all engines of the
6(x) series; TAMD61A, TAMD62A, TAMD63L-A
and TAMD63P-A, and from the 7(x) series;
TAMD71A, TAMD71B, TAMD72A, TAMD72P-A
and TAMD72WJ-A.
The most important differences are:
TAMD61A – TAMD62A
TAMD62A has:
l Higher power
l Pistons with modified profiles
l Injection pump with changed settings
l Different oil change intervals
l New external design
TAMD62A – TAMD63P-A
TAMD63P-A has:
l Completely new marinisation, installation volume
reduced by about 30%
l Higher power
l Low rotation cylinder head with new valve seats
for both inlet and exhaust valves.
l Increased valve clearance (inlet and exhaust)
l Pistons with modified combustion chambers
l New piston rings
l Higher compression
l Injection pump with RQV regulator and changed
settings
l Reinforced pump coupling
l 5-hole injector nozzles with higher opening pres-
sure
l Reinforced (preloaded) supply pipes
l Turbine optimised for high torque, integrated
wastegate
l Washable air filter
l Lubrication system with “by-pass” oil filter
l New oil filter bracket with horizontally located oil
filter
l Larger oil cooler (same as on TAMD72)
l New galvanized sheet metal sump (rubber insulat-
ed from cylinder block for lower engine noise)
l New heat exchanger with integrated expansion
tank
l New aftercooler. Modified water flow, incoming
water passes aftercooler before heat exchanger
l New belt driven coolant pump

Volvo Penta TAMD61A Specifications

General

Brand	Volvo Penta
Model	TAMD61A
Category	Engine
Language	English