Volvo Penta Workshop Manual - Diesel Engines D1, MD1, D2, MD2 - Foreword and Contents

Oct 23, 2026

Service manual for Volvo Penta diesel engines covering types D1, MD1, D2 and MD2. Provides foreword guidance on using special tools and following instructions, including a disclaimer that design changes may occur. Includes a detailed contents overview and technical sections describing engine layout, fuel system components, and lubrication and crankcase breathing systems. Defines general characteristics such as direct fuel injection, starting arrangements, cooling differences, and introduces fuel injection and major service work.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages42

Reading Time1 h 46 min

AccessFree to download

FOREWORD

CONTENTS

DESCRIPTION

Fuel injection

GENERAL

Fuel injection pump

Injectors

GENERAL SERVICE WORK

Publ.nr.2120 Dec.66. D 1.MD 1D 2·MD 2 WORKSHOP MANUALDIESEL ENGINES AB VOLVO PENTA WORKSHOP MANUAL D1,MD1,D2,MD2. FOREWORD This Service Manual concerns Volvo Penta engines of the D1,MD1,D2 and MD2 types. The instructions assume the use of certain special tools andsince it is in your own interest as well as ours that repairsare properly carried out,we request you to study and care-fully follow the instructions in this book. We retain the right to carry out design modifications and forthis reason the contents of this book are not to be consideredbinding. AB VOLVO PENTATechnical Information Department CONTENTS General…………………………………………………………………………………………………………………………………………………………………2 Description………………………………………………………………………………………………………………………………………………………2 General service work……………………………………………………………………………………………………………………………………4 Engine unit………………………………………………………………………………………………………………………………………………………5 Description………………………………………………………………………………………………………………………………………………………5 Cylinder head and valve system…………………………………………………………………………………………………………5 Repair instructions………………………………………………………………………………………………………6 Description, cylinder block and crankcase………………………………………………………………………………11 Repair instructions…………………………………………………………………………………………………………………………………11 Cylinder block………………………………………………………………………………………………………………………………………………11 Pistons…………………………………………………………………………………………………………………………………………………………………12 Connecting rods………………………………………………………………………………………………………………………………………………14 Camshaft………………………………………………………………………………………………………………………………………………………………15 Crankshaft……………………………………………………………………………………………………………………………………………………………16 Manual starter………………………………………………………………………………………………………………………………………………17 Lubricating system…………………………………………………………………………………………………………………………………………18 Description…………………………………………………………………………………………………………………………………………………………18 Repair instructions………………………………………………………………………………………………19 Lubricating oil pump………………………………………………………………………………………………………………………………19 Lubricating oil filter………………………………………………………………………………………………………………………………………20 Fuel system…………………………………………………………………………………………………………………………………………………………21 Description…………………………………………………………………………………………………………………………………………………………21 Repair instructions…………………………………………………………………………………………………………………………21 Fuel injection pump……………………………………………………………………………………………………………………………………21 Injectors………………………………………………………………………………………………………………………………………………………………22 Fuel filter…………………………………………………………………………………………………………………………………………………………25 Feed pump……………………………………………………………………………………………………………………………………………………25 Centrifugal governor…………………………………………………………………………………………………………………………………27 Cooling system………………………………………………………………………………………………………………………………………………28 Description…………………………………………………………………………………………………………………………28 Repair instructions………………………………………………………………………………………………………………………………………28 Reverse gear………………………………………………………………………………………………………30 Description…………………………………………………………………………………………………………………………………………………………30 Repair instructions…………………………………………………………………………………………………………………30 Specifications…………………………………………………………………………………………………………………………32 Tools………………………………………………………………………………………………………………………………………………………………………37 Cut-away drawings…………………………………………………………………………………………………………………………………………38 # DESCRIPTION 1 Control lever 7 Injector 2 Fuel filter 8 Flywheel 9 Crankcase cover 10 Control arm 11 Reduction- reverse gear The fuel system includes a filter with areplaceable element and is thus well protectedfrom running interruptions, D2 and MD2 unitsare fitted with a feed pump. Fngine lubrication is through a pressure systemwhere an oil pump supplies lubricating oil to allthe points in the correct quantities at differentspeeds.The DZ and MD2 are fitted with a fullflow oil filter, The big-end bearing shells arereplaceable and are accessible through the oilsump crankcase covers.Major repair workcan also be carried out through the se covers. The engines have closed circuit

FAQs

What engines does this Volvo Penta service manual cover?

It covers Volvo Penta engines of the D1, MD1, D2 and MD2 types.

What does the manual say about special tools and following repairs correctly?

It requests that you study and carefully follow the instructions, assuming the use of certain special tools so repairs are properly carried out.

How do D1/MD1 and D2/MD2 differ in engine type and capacity?

D1 and MD1 are one-cylinder, four-stroke diesel engines with overhead valves (445 c.c.), while D2 and MD2 are two-cylinder, four-stroke diesel engines with overhead valves (890 c.c.).

Oct 23, 2026

Upload by 8796093062539