Volvo Penta Aquamatic 270T Workshop Manual

Covers Penta Aquamatic 270 T, AQ270, B,C,D outboard drive unit with procedures for reconditioning the hydraulic pump and valve housing. Includes part number 884161.

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Document Details

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Document Number / Seller:
30350 / Emily Phillips
File Size:
6.33 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Jun 22, 2025

Models Covered & Key Technical Specifications

Volvo Penta Aquamatic 270 / AQ270 (884161) – 1999

Covers Penta Aquamatic 270 T, AQ270, B,C,D outboard drive unit | Workshop Manual Volume.

  • System Charge Quantity: 1.5 liters establishes the required hydraulic fluid capacity.
  • Core Alignment Specs: For proper function, 0.15-0.25 mm defines the correct gear backlash range.
  • Specific Power Framework: Minimum 63.5 kp/cm² -- signifies the lift pressure requirement for the safety release valve.
  • Published Throughput Data: The trim cylinder seal requires 80-120 Nm for correct fitting.
  • Authorized Capacity Limits: 2.2 liters is the approximate oil capacity for the system.
  • Calibrated Baseline: 4200 psi represents the opening pressure for the safety valve.

Professional Workshop Service Manual & Technical Specifications

Volvo Penta Aquamatic 270T Workshop Manual: Volvo Penta Aquamatic 270 / AQ270 outboard engine workshop manual Resource-Library

Machine-Range: Penta Aquamatic 270 T, AQ270, B,C,D // Subsystem-Focus: Hydraulic System / Power Trim Logic // Machine-Range: 1999

Assessment-Parameter Diagnostic-Logic Framework
Hydraulic Oil Capacity Trim Cylinder Specs 2.2 Liters
Lift Pressure Valve Safety Release Valve Setting 63.5-89.0 kp/cm²
Lower Gear Backlash Drive Shaft Measurement 0.06-0.10 mm
Upper Gear Backlash Gear Wheel Measurement 0.15-0.25 mm
Propeller Shaft Seal Fitting Countershaft Torque 4 kpm
Lift Cylinder Piston Tightening Torque Wrench Value 80-120 Nm

Technical units are distributed across the following chapters:

  • Part I: Description
  • Part II: Removing the outboard drive unit
  • Part III: Reconditioning the upper gear housing
  • Part IV: Reconditioning the intermediate housing
  • Part V: Reconditioning the lower gear

Electrical system documentation covers the wiring diagrams and component identification. Suspension service documentation covers the mounting collar and drive shaft components. Disassembly instructions are documented for the entire drive unit, including the hydraulic system. Wear limits are specified for seals and bearings. System operation descriptions cover the power transmission and maneuvering systems.

FAQ

Reference the **specified** tool requirements for fitting the lift cylinder on the lift yoke? keyboard_arrow_down

Tool 884424 is required for pressing the assembled piston part into the cylinder and tightening it on the lift yoke.

What are the **essential** electrical values for the trim indicator connection? keyboard_arrow_down

Yellow/green connects to terminal "G" and blue connects to terminal "-" for the trim indicator.

Specify the **correct** calibration settings for the trim indicator. keyboard_arrow_down

Turn the cover on the sender until the trim indicator points precisely between "Trim" and "Beach" to set the correct calibration.

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Reviews (4)

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Rated 5 out of 5 stars
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I found the repair instructions clear and precise. The download process was smooth, and I received the link almost instantly. Excellent support overall!
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This workshop manual was incredibly detailed and easy to follow. The download process was a breeze, with a quick email response and the link sent promptly. Highly recommend!
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The manual covers everything you need for the AQ270. I appreciated the thorough troubleshooting sections. Customer support was very helpful when I had questions about the download. Professional service!