Volvo Penta AQ150, AQ150A, AQ150B Engine Unit Workshop Manual_389818066 – PDF DOWNLOAD

Volvo Penta AQ150, AQ150A, AQ150B Engine Unit Workshop Manual_389818066 – PDF DOWNLOAD

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Volvo Penta AQ150, AQ150A, AQ150B Engine Unit Workshop Manual_389818066 – PDF DOWNLOAD

Language : English
Pages : 40
Downloadable : Yes
File Type : PDF
Size: 0.98 MB

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DESCRIPTION:

Volvo Penta AQ150, AQ150A, AQ150B Engine Unit Workshop Manual_389818066 – PDF DOWNLOAD

General information:
About the workshop manual:

This Workshop Manual contains technical data, descriptions, and overhaul instructions for the standard versions of AQ150. Only the engine model designation are referenced exclusively throughout this Workshop Manual, without the drive/reverse gear. Where there are differences between engine units for the drive and reverse gear versions, the complete designation is stated, e.g. AQ150A.

• The engine designation and serial number shall always be given in correspondence to the Service and Parts Department. The Workshop Manual shows the work procedures carried out on a AQ150 engine equipped with freshwater cooling. The procedures are identical on other versions unless otherwise stated in text or illustrations. Please note that the illustrations used do not always fully correspond with the other engine version.
• The abbreviation FWC is used for freshwater cooled engine and SWC is used for sea water cooled engine. The product designation and number should be given in all correspondence about the product. This Workshop Manual has been developed primarily for Volvo Penta service workshops and qualified personnel.
• Persons using this book are assumed to have a grounding in marine drive systems and be able to carry out related mechanical and electrical work. Volvo Penta is continuously developing their products. We therefore reserve the right to make changes. All the information contained in this book is based on product data available at the time of going to print. Any essential changes or modifications introduced into production or updated or revised service methods introduced after the date of publication will be provided in the form of Service Bulletins.

Replacement parts:

• Replacement parts for electrical and fuel systems are subject to statutory requirements (US Coast Guard Safety Regulations for example).
• Volvo Penta Genuine parts meet these requirements. Any type of damage which results from the use of non-original Volvo Penta replacement parts for the product will not be covered under any warranty provided by Volvo Penta.

TABLE OF CONTENTS:

Volvo Penta AQ150, AQ150A, AQ150B Engine Unit Workshop Manual_389818066 – PDF DOWNLOAD

Safety precautions ……………………………………………………………………………………. 2
General Information ………………………………………………………………………………….. 5
Repair instructions ……………………………………………………………………………………. 6
Description ………………………………………………………………………………………………. 8
General ………………………………………………………………………………………………….. 8
Cylinder block …………………………………………………………………………………………. 8
Cylinder heads with valves ………………………………………………………………………… 8
Crankshaft with bearings …………………………………………………………………………… 9
Camshaft ……………………………………………………………………………………………….. 9
Valve lifters …………………………………………………………………………………………….. 9
Connecting rods, pistons and piston rings ……………………………………………………. 10
Lubricating system …………………………………………………………………………………… 10
Ignition system ……………………………………………………………………………………….. 11
Fuel system ……………………………………………………………………………………………. 11
Carburetor ………………………………………………………………………………………………. 11
Repair instructions ……………………………………………………………………………………. 12
General overhaul ……………………………………………………………………………………… 12
Measuring the compression pressure ………………………………………………………….. 12
Replacing the thermostat ………………………………………………………………………….. 12
Replacing the circulation pump ………………………………………………………………….. 13
Disassembling the engine …………………………………………………………………………. 13
Replacing the timing gear cover …………………………………………………………………. 14
Replacing sealing ring, timing gear cover …………………………………………………….. 14
Replacing timing gears ……………………………………………………………………………… 15
Valve mechanism ……………………………………………………………………………………. 15
Intake manifold ……………………………………………………………………………………….. 16
Valve lifters …………………………………………………………………………………………….. 16
Camshaft ……………………………………………………………………………………………….. 18
Cylinder heads with valves ………………………………………………………………………… 18
Cylinder block …………………………………………………………………………………………. 19
Pistons, piston rings and piston pins …………………………………………………………… 19
Connecting rods ………………………………………………………………………………………. 20
Measuring radial clearance for big-end bearings ……………………………………………. 21
Measuring radial clearance for crankshaft bearings ……………………………………….. 21
Crankshaft ……………………………………………………………………………………………… 22
Oil pipe and oil screen ………………………………………………………………………………. 22
Oil pump ………………………………………………………………………………………………… 23
Crankcase ventilation ……………………………………………………………………………….. 24
Ignition system ……………………………………………………………………………………….. 24
Fuel system ……………………………………………………………………………………………. 25
Tools ……………………………………………………………………………………………………….. 29
Specifications …………………………………………………………………………………………… 30
Tightening torques……………………………………………………………………………………. 35