Overview
Organized by machine system, the Volvo BL71 PLUS Backhoe Loader Service Repair Manual brings together the technical references used in maintenance and repair work. Coverage includes braking equipment, steering components, working and servo hydraulics, and electrical and instrument systems.
Specific service subjects include dipper-arm equipment, hydraulic transmission controls, torque-converter components, lifting-frame and link-arm assemblies, and working-hydraulics pumps.
Table of Contents
Volvo BL71 PLUS Manual
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01. General
- Specifications
- Standard Time
- Tool
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02. Standard Parts, Service
- Lubricant; Fuel; Other Fluid
- Service — General, common info about 171 – 179
- Service — Warranty service
- Service — Maintenance
- Safety equipment, without own function group
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03. Engine with Mounting and Equipment
- General, engine installation and its function
- Engine — General, common info about 211 – 218
- Engine — Valve mechanism
- Lubricating System — General, common info about 221 – 224
- Lubricating System — Oil pump; line
- Fuel System — General (common info about 233 – 238)
- Fuel System — Fuel pump; filter; strainer
- Fuel System — Fuel tank; fuel filling pump
- Inlet System; Exhaust System — General, common info about 251 – 258
- Inlet System; Exhaust System — Silencer; exhaust pipe
- Inlet System; Exhaust System — Turbo charger
- Cooling System — General, common info about 261 – 269
- Cooling System — Radiator, mounting and connections included
- Cooling System — Fan; fan shroud; fan coupling
- Engine Control — Revs control, foot operated
- Engine Control — Revs control, hand operated
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04. Elec. System; Warning System; Information System; Instruments
- Comprehensive info, electrical system
- Software documents, complete vehicle
- Faulttracing
- Battery; Energy Storage System; Mounting Parts — General, common info about 311 – 313
- Battery; Energy Storage System; Mounting Parts — Battery
- Alternator; Charging; Electric Motor; Electric Drives — Alternator inclusive drive
- Starting System — General, common info about 331 – 334
- Starting System — Electric air pre-heater, excluding element
- Lighting — General, common info about 351 – 356
- Other Electrical Equipment — Automatic control/blocking function, lacking a function group of its own
- Cable; Fuse; Relay — General, common info about 371 – 379
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05. Power Transmission
- General, common info about 410 – 436
- Clutch; Torque Converter — Hydrodynamic coupling, torque converter
- Transmission, Hydraulic Control
- Gearbox — Mounting, distributing gearbox
- Front Axle; Rear Axle — Front axle
- Front Axle; Rear Axle — Rear axle 1
- Miscellaneous — General, common info about 491 – 492
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06. Brake
- Comprehensive info about brakes
- Wheel Brake — General, common info about 511 – 519
- Wheel Brake — Rear wheel brake, axle 1, wet brake
- Hydraulic Brake System — General, common info about 520 – 522
- Hydraulic Brake System — Brake valve
- Parking Brake — General, common info about 551 – 554
- Parking Brake — Brake control, mechanical
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07. Steering
- Comprehensive info, steering
- Steering axle; steering spindle, driving
- General, common info about 641 – 647
- Steering arm; steering linkage; track rod
- Hydraulic equipment
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08. Frame; Springs; Damping; Axle Suspension; Wheel/track Unit
- Comprehensive info about frame and track unit/wheels
- Frame — Counterweight
- Wheels; Tracks; Tyre; Hub; Drum — Wheel
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09. Machinery House; Cab; Exterior Trim Parts Anywhere
- Comprehensive info, machinery house and cab
- Engine Hood; Mudguard; Foot Step — Engine hood with assembly parts
- Trim Part, Outside; Glass; Sealing Moulding — Glass; sealing moulding
- Cab Interior/upholstery — Upholstery
- Cab Interior/upholstery — Driver’s seat, complete; instructor’s seat
- Air Conditioning Unit — General, common info about 872 – 877
- Air Conditioning Unit — Cooling unit
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10. Hydraulic System; Digging/ Handling/ Grading Equipm.; Misc. Equip.
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump
- Working Hydraulics; Servo Hydraulics — Working hydraulics
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment
- Mechanical Equipment/attachment — Bucket, incl. possible cylinders with tubes and hoses
- Mechanical Equipment/attachment — Attachments, others
- Unit, Load Handling — General, common info about 941 – 945
- Unit, Load Handling — Lifting frame work with mounting and link arm system
- Unit, Digging — General, common info about 971 – 975
- Unit, Digging — Slewing system, boom
- Unit, Digging — Stabiliser; stabiliser blade
- Unit, Digging — Boom with links
- Unit, Digging — Dipper arm with links
Auxiliary Attachments, Bucket Cylinder and Dipper Arm and Linkage
This coverage includes the entries “Attachments, others” and “Bucket, incl. possible cylinders with tubes and hoses”.
Lifting-frame and attachment references belong to the handling assembly, while pump and fluid-system entries sit in the hydraulic group. Choose the branch matching the part being inspected.
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