Volvo Penta TAMD73P-A - Default Chapter; Table of Contents

1
Group 25 Intake and exhaust systems
Group 26 Cooling system
Marine Engines
TAMD73P-A • TAMD73WJ-A
Contents
General instructions ............................................ 2
Special tool .......................................................... 9
Other special equipment ..................................... 10
Group 25 Intake and exhaust system
Design and function
General ................................................................. 11
Turbocharger ....................................................... 11
Boost pressure control (BPC) valve .................... 12
Charge air cooler (CAC) ...................................... 12
Repair Instructions............................................... 13
Removing turbocharger (TC) ............................... 13
Installing turbocharger ......................................... 13
Checking boost pressure..................................... 15
Corrective action to counter low boost pressure .. 16
Checking exhaust gas back pressure.................. 17
Checking exhaust temperature ............................ 18
Group 26 Cooling system
Design and function
General ................................................................. 19
Keel cooling ........................................................ 20
Heat exchanger and charge air cooler (CAC) ....... 20
Coolant pump...................................................... 21
Seawater pump ................................................... 21
Thermostat ......................................................... 22
Oil cooler, engine ................................................ 22
Oil cooler, reverse gear ....................................... 23
Coolant ............................................................... 23
Repair Instructions............................................... 24
Draining engine coolant ....................................... 24
Cleaning cooling system ..................................... 25
Filling with coolant .............................................. 25
Seawater filter, checking and cleaning ................ 26
Heat exchanger / charge air cooler (CAC),
cleaning / replacement ........................................ 27
Charge air cooler (CAC), test pressurization........ 30
Oil cooler reverse gear, cleaning ......................... 30
Zinc anode checking/replacing ............................ 31
Coolant pump, replacement................................. 32
Reconditioning coolant pump .............................. 33
Replacing the seawater pump impeller ................ 34
Replacing seawater pump ................................... 34
Reconditioning seawater pump............................ 35
Replacing thermostat .......................................... 38
Thermostat, function test .................................... 39