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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Volvo Models Covered & Key Technical Specifications
Models: Volvo Penta Aquamatic 270, AQ270, AQ270B, AQ270C, AQ270D
Sub-models / Variants: 270T, Power Trim, Mounting Collar, Standard Rotation, Counter-Rotation
Trade Names: Aquamatic
Build Years: 1999
Serial Numbers: 884161
Technical Data:
- Hydraulic System Capacity: 1.5 liters
- Gear Backlash (B Models): 0.15–0.25 mm
- Gear Backlash (C & D Models): 0.08–0.18 mm
- Safety Release Valve Pressure: 80–100 kp/cm² (1138–1422 psi)
- Beach Valve Pressure: 130–150 kp/cm² (1849–2133 psi)
- Trim Cylinder Seal Torque: 30–50 Nm (22–35 lbft)
- Steering Casing Center Bolt Torque: 70–80 Nm (50–58 lbft)
- Relief Valve (Lift Pressure): 63.5–89.0 kp/cm² (903–1265 psi)
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Technical Scope and Coverage for the Volvo Penta Aquamatic 270 Series
- Covers 1999 Volvo Penta Aquamatic 270 and 270T outboard drive units, including B, C, and D variants with power trim and mounting collar assemblies
- Official Volvo Penta OEM publication P/N 7726380-4, first edition May 1999
- Contains 47 technical diagrams, 4 exploded-view schematics for the hydraulic lift unit, and 4 specific torque-setting tables
- File delivered as a direct download the moment payment clears
- Permanent availability in your purchase account — no re-buy required
- Laid out for standard letter and A4 printing
- Full-text search finds any part number in seconds
- This 1999 manual serves as the primary factory reference for the 270T Power Trim and mounting collar setup, detailing reconditioning methods that replace later service bulletin updates
Hydraulic System and Component Documentation
This Volvo Penta Aquamatic 270 manual provides detailed technical descriptions for the entire outboard drive hydraulic lift system and mounting collar architecture. The chapters outline the functional principles of the trim, beach, and tilt positions, alongside specific fault-tracing schemes for drive lifting or lowering concerns. It documents the reconditioning process for the hydraulic pump, valve housing, lift cylinders, and trim cylinders, complete with assembly and fitting instructions for these components.
Specification Highlights
Technical specifications for the 1999 Volvo Penta Aquamatic 270 include pressure ratings for the lift and relief valves, alongside fluid requirements for the hydraulic system. The manual documents correct gear backlash values, with the B-series models requiring 0.15–0.25 mm and C/D models requiring 0.08–0.18 mm. Torque values for vital joints, such as the hydraulic piston in the lift cylinder at 80–120 Nm, are clearly listed. Coolant system and hydraulic oil capacities are provided for maintenance planning. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official Volvo Penta OEM workshop manual covering the 1999–1999 Aquamatic 270 series, documenting hydraulic, gear, and assembly specifications for the 270T, 270B, 270C, and 270D drive unit configurations.
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