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AQ171
Volvo Penta AQ171 - User Manual
102 pages
Manual
Specs
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Engine
230, 250, 251D
OHC
A
Q131, A
Q151, A
Q171
W
orkshop Manual
2(0)
C
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Safety Precautions
4
General Information
7
Repair Instructions
8
Presentation
10
Trouble-Shooting Scheme
13
1 Overhaul Data
14
2 Special Tools
22
3 Electrical System
25
Wiring Diagram AQ131, AQ151, 230, 250 Alt. 1
26
Wiring Diagram 230, 250 Alt. 2
28
Wiring Diagram AQ171, 251DOHC Alt.1
30
Wiring Diagram 251DOHC Alt. 2
32
Fuel System
34
Trouble Shooting and Remedies Fuel System
34
Overhauling and Checking the Carburetor
35
Renix Ignition System
40
Trouble-Shooting and Repair Ignition System 251DOHC, AQ171
40
Speed Control
41
Cylinder Head
46
Removal of Teh External Components
46
Cooling System
50
Overhauling the Heat Exchanger
50
Overhauling the Sea Water Pump
51
Check the Thermostat
51
Overhauling the Valve System
52
Overhauling the Valve System 230, 250, AQ131, AQ151
52
Adjusting the Valves 230, 250, AQ131, AQ151
61
Valve System 251DOHC, AQ171. Technical Description
63
Overhauling the Valve System 251DOHC, AQ171
65
Installing the Toothed Belt
73
Installing the Toothed Belt 230, 250, AQ131, AQ151
73
Installing the Toothed Belt 251DOHC, AQ171
75
Installing the External Components of the Cylinder Head
76
5 Cylinder Block
80
Removing the External Components
80
Overhauling the Crank Assembly
82
The Lubricating Oil Pump Overhauling
89
Installing the External Components
95
Overhauling the Oil Cooler 250, 251DOHC, AQ151, AQ171
97
References to Service Bulletins
99
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Volvo Penta AQ171 Specifications
General
Cylinders
4
Fuel Type
Gasoline
Max Torque
220 Nm
Fuel System
Carburetor
Cooling System
Water-cooled
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