2013 Volvo L70D Loader Service Manual

Wiring diagrams, specifications, and repair sequences for the Volvo L70D Loader. PN 999 3721 Service display unit

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Document Details

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Document Number / Seller:
31460 / Barbara Murphy
File Size:
31.49 MB
File Type:
PDF
Language:
English
Pages:
658
Printable:
Yes
Category:
Wheel Loader
Last updated / verified
Sep 1, 2025

Models Covered & Key Technical Specifications

Volvo L70D Loader (999 3721) - 2013 Strategic Resource & Documentation Toolkit | Official Volvo L70D Loader Service Manual - Diagnostics & Maintenance

  • Published Clearance Data: 636 cm2 (99 in2) determines the brake pad area per wheel Dimensions.
  • Specific End Play: For optimal operation, 0.04 mm (0.016 in) is the maximum valve clearance for inlet valves Standards.
  • Approved Power Draw: 91 kW (126 hp) -- signifies the maximum output for the engine with a mechanical radiator fan Threshold.
  • Reference Precision Specs: The hydraulic system requires 190 dm3 (50.16 US gal) for total capacity Logic.
  • Established Holding Capacity: Maximum pressure reaches 22 MPa (3190 psi) Parameters.
  • Authorized Power Draw: The starter motor requires 6.6 kW (9 hp) for standard operation Protocol.

Manual Description & Preview

Industrial Performance Training Manual: Volvo L70D Loader Service Manual - Diagnostics & Maintenance (2013) Repair-Index

Documentation-Type: Service Manual // Repair-Classification: Wheel Loader / Construction Equipment Logic // Repair-Classification: Diagrams, specs, and repair procedures.

Featuring a modular arrangement of diagnostic, procedural, and specification chapters, this manual provides extensive documentation for the Volvo L70D Loader. It details the various systems and components, offering insights into their operation and maintenance.

System operation descriptions cover the engine, power transmission, electrical systems, brakes, steering, and hydraulics. The documentation addresses specifications for capacities, dimensions, and recommended lubricants.

Assembly instructions are detailed for key components such as the engine, fan motor, and drivetrain. Hydraulic schematics are included for a comprehensive understanding of the hydraulic system. Steering component information is provided for the steering system, including adjustments and specifications.

...documents torque specifications for various engine and transmission components to ensure proper seal compression uniformity.

Assessment-Parameter Diagnostic-Logic Architecture
Brake pad area per wheel 636 cm2 (99 in2) Cooling system capacity
Engine output 91 kW (126 hp) at 33.3 r/s (2,000 rpm) Torque converter rating
Fuel tank capacity 190 dm3 (50.16 US gal) Transmission fluid capacity
Starter motor output 6.6 kW (9 hp) Hydraulic system pressure
Max. torque (engine) 595 Nm (439 lb-ft) at 16.67 r/s (1,000 rpm) Electrical system voltage

FAQ

What are the **proper** clearance measurements? keyboard_arrow_down

0.40 mm (0.016 in) is the specified clearance for inlet valves, while exhaust valves require 0.55 mm (0.022 in) for optimal engine performance.

Specify the **standard** torque specifications. keyboard_arrow_down

5.7 ±0.6 kgf·m (42 ±4 lbf ft) is the standard torque for the flywheel housing—torque converter housing, and 8.5 ±0.8 kgf·m (63 ±6 lbf ft) for the engine block—bracket.

What is the **necessary** safety precautions? keyboard_arrow_down

Before any tests are performed on the alternator or regulator, the batteries and the electrical leads must be checked for insulation, poor contacts and corrosion. Check the alternator belts. All possible defects as described above must be corrected before beginning the electrical check.

Calculate the **recommended** lubrication requirements. keyboard_arrow_down

For engine oil, 300–500 kPa (3–5 bar) (43.5–72.5 psi) is the recommended pressure at idling, and 150 kPa (1.5 bar) (21.75 psi) for oil pressure when hot, idling.

What values **calibrated** testing parameters? keyboard_arrow_down

19.6 ±0.2 V is the output signal value for control valve MA202 on pin EM 7, with incorrect output signal on EM 7 being 200 Hz, while resistance across MA202 should be within 10–33 Ω.

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