Table of Contents
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Table of Contents
Related Manuals for Volvo Penta AQ125A
Summarization of Contents
Safety Precautions
Introduction and Warnings
Manual scope, warnings, and safety symbols.
General Information
Workshop Manual Overview
Scope, target audience, and product development.
Replacement Parts Policy
Importance of genuine parts and warranty.
Repair Instructions
Joint Responsibility and Tightening Torques
Engine maintenance principles and general fastener torque values.
Presentation
Engine Component Identification
Diagrams identifying parts of AQ145A and AQ125 engines.
Disassembling, Overhauling, and Inspection
Removing External Components
Steps for removing carburetor, heat exchanger, oil filter, pumps, and pulleys.
Removing Rotating Assembly Parts
Steps for removing flywheel, vibration damper, camshaft, and timing belt components.
Removing Cylinder Block Internals
Procedures for removing oil pump, pistons, connecting rods, and crankshaft.
Assembling Procedures
Crankshaft, Pistons, and Oil Pump Assembly
Steps for reassembling crankshaft, pistons, and oil pump.
Engine Block and Cylinder Head Assembly
Procedures for assembling oil sump, cylinder head, and camshaft.
Timing Belt and Ancillary Systems Assembly
Fitting timing belt, pulleys, pumps, starter, and alternator.
Valve Adjustment
Checking and Adjusting Valve Clearance
Procedures for measuring and adjusting valve clearances.
Distributor and Ignition System
Distributor Operation and Timing
Setting firing position and distributor timing.
Replacing Contact Breakers
Procedures for replacing contact breakers and condenser.
Electrical Systems and Troubleshooting
Wiring Diagrams
Diagrams for instrument panel and USA execution.
Fault Finding Chart
Table listing engine issues and their potential causes.
Special Tools and Technical Data
Special Tools Listing
Lists and illustrates specialized tools for engine service.
Technical Data (AQ145A/AQ125A)
Specifications for engine components and performance.
Technical Data (AQ145B/AQ125B)
Specifications for AQ145B and AQ125B engine variants.
Valve Adjusting Kit Details
Information on the valve adjusting kit components.
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