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Bobcat BL370 Backhoe Loader Service Manual (SN 573211001-573299999)

Format: PDF (Printable Document)

File Language: English

File Pages: 636

File Size: 27.16 MB (Speed Download Link)

Brand: Bobcat

Model: BL370 Backhoe Loader

Book No: 22535801

Serial No: SN 573211001-573299999

Type of Document: Service Manual

Categories: ,

$ 45

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Bobcat BL370 Backhoe Loader Service Manual (SN 573211001-573299999)

A BL370 backhoe loader is the kind of machine you've got doing trenching, loading trucks, and general farm or site work, like a Deere 310 or Cat 420 class machine. People grab this service manual when the BL370 is out of warranty, something's leaking or dead, and they need more than guesswork. Shop guys and field techs use it for step-by-step teardown, torque references, hydraulic pressures, and wiring checks so the machine goes back to work and stays there.

What this manual helps you do

  • Diagnose hydraulic issues in the loader, backhoe, and steering circuits, and pressure-test them with the right ports and specs
  • Trace electrical faults using wiring diagrams so you can chase down bad relays, switches, and broken circuits
  • Follow engine removal, disassembly, and reassembly procedures on the BL370's diesel, including timing and adjustment checks
  • Rebuild and adjust driveline and brake components, including axle work and power shuttle/hydrostatic related service where fitted
  • Check, set, and verify adjustments on controls, linkages, and safety interlocks after repairs

Who this is for

This manual is for anyone working on a Bobcat BL370 backhoe loader in the 573211001 to 573299999 serial range: small contractors, farm shops, independent mechanics, and rental fleets. If you only want operating tips or daily maintenance info, you need the operator's handbook instead, not this workshop manual.

FAQ

Q: Is this a searchable PDF, and can I read the wiring diagrams clearly?

A: These Bobcat service manuals are usually supplied as searchable PDFs with zoomable schematics that are readable on a laptop or tablet.

Q: How do I know if it covers my exact machine?

A: Check your BL370 serial plate; if it falls between 573211001 and 573299999, this is the correct manual.

Q: Is this the right document if I'm just changing fluids and filters?

A: It will cover that, but it's overkill. This is meant for full repairs and diagnostics, not basic operation.

Bottom line: If your BL370 serial number is in that range and you're doing real repair work, this is the manual you want.

📘 Show Index

Table of Contents:

  • ALPHABETICAL INDEX
  • MAINTENANCE SAFETY
  • CONTENTS
    • FOREWORD
    • SAFETY INSTRUCTIONS
      • Before Operation
      • Safe Operation Is The Operator’s Responsibility
      • Safe Operation Needs A Qualified Operator
      • Fire Prevention
    • SERIAL NUMBER LOCATION
      • Backhoe Loader Serial Number
      • Engine Serial Number
    • DELIVERY REPORT
    • BACKHOE LOADER IDENTIFICATION
  • SAFETY AND MAINTENANCE
    • LIFTING AND BLOCKING THE BACKHOE LOADER
      • Procedure
    • APPROVED LIFT ARM SUPPORT DEVICE
      • Installing The Approved Lift Arm Support Device
      • Removing The Approved Lift Arm Support Device
    • ENGINE COVER
    • TRANSPORTING THE BACKHOE LOADER
      • Procedure
    • TOWING THE BACKHOE LOADER
      • Procedure
    • AXLE TOE-IN
      • Procedure
    • SERVICE SCHEDULE
      • Chart
    • AIR CLEANER SERVICE
      • Replacing The Filter
    • ENGINE COOLING SYSTEM
      • Cleaning The Cooling System
      • Checking Coolant Level
      • Coolant Replacement
    • FUEL SYSTEM
      • Fuel Specifications
      • Filling The Fuel Tank
      • Fuel Filter
      • Removing Air From The Fuel System
    • ENGINE LUBRICATION SYSTEM
      • Checking Engine Oil
      • Oil Chart
      • Replacing The Oil And Filter
    • HYDRAULIC/HYDROSTATIC SYSTEM
      • Checking And Adding Fluid
      • Cleaning The Oil Cooler/Radiator
      • Replacing Hydraulic/Hydrostatic Filter
      • Replacing Hydraulic Fluid
    • AXLES (FRONT AND REAR)
      • Checking Oil Level (Planetary Carrier)
      • Draining Oil (Planetary Carrier)
      • Checking Oil Level (Rear Axle)
      • Draining Oil (Rear Axle)
      • Checking Oil Level (Front Axle)
      • Draining Oil (Front Axle)
    • BOOM LOCK PIN
      • Engaging And Disengaging The Pin
    • BOB-TACH HAND LEVER
      • Inspection And Maintenance
    • ALTERNATOR BELT
      • Adjusting The Alternator Belt
    • LUBRICATING THE BACKHOE LOADER
    • TIRE MAINTENANCE
      • Wheel Nuts
      • Mounting
      • Tire Pressure
  • HYDRAULIC SYSTEM
    • HYDRAULIC/HYDROSTATIC SCHEMATICS
    • HYDRAULIC SYSTEM INFORMATION
      • Troubleshooting
      • Description
    • ARM CYLINDER
      • Checking
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • BOOM CYLINDER
      • Checking
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • SWING CYLINDER
      • Checking
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
      • Bushing Removal And Installation
    • BUCKET CYLINDER
      • Checking
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • STABILIZER CYLINDER
      • Checking
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • TILT CYLINDER
      • Checking
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • LIFT CYLINDER
      • Checking
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • STEERING CYLINDER (FRONT)
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
      • Inspection
    • STEERING CYLINDER (REAR)
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
      • Inspection
    • MAIN RELIEF VALVE
      • Description
      • Testing
      • Adjustment
    • PORT RELIEF VALVE (BACKHOE CONTROL VALVE)
      • Testing And Adjusting (Arm Control)
      • Testing And Adjusting (Bucket Control)
      • Testing And Adjusting (Boom Control)
      • Testing And Adjusting (Boom Swing Control)
    • PORT RELIEF VALVE (LOADER CONTROL VALVE)
      • Testing And Adjusting (Bucket Tilt)
      • Testing And Adjusting (Front Auxiliary)
    • LOADER CONTROL VALVE
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
      • Inlet/Outlet Valve Section
      • Lift Arm Valve Section
      • Tilt Valve Section
      • Auxiliary Valve Section (Front)
    • BACKHOE CONTROL VALVE
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
      • Inlet/Outlet Valve Section
      • Arm Valve Section
      • Bucket Valve Section
      • Right Stabilizer Valve Section
      • Left Stabilizer Valve Section
      • Boom Valve Section
      • Boom Swing Valve Section
      • Outlet Valve Section
    • HYDRAULIC FLUID RESERVOIR
      • Removal And Installation
      • Strainer Removal And Installation
    • HYDRAULIC FILTER HOUSING
      • Removal And Installation
      • Disassembly
      • Assembly
    • HYDRAULIC FILTER
      • Removal And Installation
    • GEAR PUMP
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
      • Inspection
    • STEERING PUMP
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Inspection
      • Assembly
    • STEERING VALVE
      • Removal And Installation
      • Wheel Alignment Procedure
    • MASTER CYLINDER
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
  • HYDROSTATIC SYSTEM
    • HYDROSTATIC SYSTEM INFORMATION
      • Troubleshooting Chart
      • Replenishing Valve Function
    • OIL COOLER/RADIATOR
      • Description
    • HYDROSTATIC DRIVE MOTOR
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Inspection
      • Assembly
    • HYDROSTATIC PUMP
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Inspection
      • Assembly
    • HYDROSTATIC PUMP TESTING
      • Hydrostatic Pump Work Sheet
      • Pump Testing
  • DRIVE SYSTEM
    • TROUBLESHOOTING
      • Chart
    • PARKING BRAKE HOUSING
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • SERVICE BRAKE
      • Description
      • Bleeding The Brake Circuit
    • REAR AXLE
      • Removal
      • Installation
    • FRONT AXLE
      • Removal
      • Installation
      • Axle Pivot Bushing Removal And Installation
      • Axle Pivot Bushing Removal And Installation
    • DRIVESHAFT
      • Removal And Installation
    • DROP BOX
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Inspection
      • Assembly
    • BRAKE PEDAL ASSEMBLY
      • Removal And Installation
  • MAIN FRAME
    • OPERATOR CANOPY
      • Removal And Installation
    • ENCLOSED CAB
      • Not Available At Time Of Print
    • OPERATOR SEAT
      • Removal And Installation
    • FLOOR PANELS
      • Front Panel Removal And Installation
      • Rear Panel Removal And Installation
      • Front Right Panel Removal And Installation
      • Front Left Panel Removal And Installation
    • GRILL
      • Removal And Installation
    • GRILL FRAME
      • Removal And Installation
    • ENGINE SIDE COVERS
      • Removal And Installation
    • FENDER
      • Removal And Installation
    • ENGINE COVER
      • Removal And Installation
    • FUEL TANK
      • Removal And Installation
      • Screen Removal And Installation
    • LIFT ARMS
      • Removal And Installation
    • BOB-TACH
      • Removal And Installation
      • Bob-Tach Lever And Wedge
      • Pivot Pin Bushing Removal And Installation
    • ARM
      • Removal And Installation
      • Arm Pivot Bushing Removal And Installation
    • BOOM
      • Removal And Installation
      • Boom Pivot Bushing Removal And Installation
    • SWING FRAME
      • Removal And Installation
    • X-CHANGE™
      • Removal And Installation
    • BUCKET
      • Backhoe Bucket Teeth Removal And Installation
      • Loader Bucket Teeth Removal And Installation
    • LIFT ARM STABILIZER
      • Removal And Installation
    • CENTER FLOOR PANEL
      • Removal And Installation
    • STABILIZER
      • Removal And Installation
  • ELECTRICAL SYSTEM AND ANALYSIS
    • ELECTRICAL SCHEMATICS
    • ELECTRICAL SYSTEM INFORMATION
      • Troubleshooting Chart
      • Description
      • Fuse And Relay Location
      • Relay Location
    • BATTERY
      • Removal And Installation
      • Servicing The Electrical System
      • Using A Booster Battery (Jump Starting)
    • ALTERNATOR
      • Adjusting The Alternator Belt
      • Description
      • Tests
      • Alternator Output Test
      • Full Field Test
      • Alternator Regulator Test
      • Alternator Regulator Test With Voltmeter
      • Alternator Removal And Installation
      • Parts Identification
      • Pulley Removal And Installation
      • Disassembly And Assembly
      • Rotor Continuity Test
      • Stator Continuity Test
      • Rectifier Continuity (Diode) Test
      • Brush Length
    • STARTER
      • Removal And Installation
      • Checking The Starter In The Loader
      • Parts Identification
      • Disassembly
      • Inspection And Repair
      • No Load Test
      • Assembly
    • FRONT LIGHTS
      • Bulb Removal And Installation
      • Housing Removal And Installation
    • TURN INDICATOR LIGHTS (FRONT)
      • Bulb Removal And Installation
    • TURN INDICATOR LIGHTS (REAR)
      • Bulb Removal And Installation
    • FUEL LEVEL SENDER
      • Removal And Installation
    • INSTRUMENT PANEL
      • Removal And Installation
  • ENGINE SERVICE
    • TROUBLESHOOTING
      • Chart
    • ENGINE SPEED CONTROL
      • Removal And Installation
      • Cable And Rod Removal And Installation
    • TRAVEL PEDAL
      • Removal And Installation
    • MUFFLER
      • Removal And Installation
    • AIR CLEANER
      • Removal And Installation
    • OIL COOLER/RADIATOR
      • Removal And Installation
      • Disassembly
      • Inspection
      • Assembly
    • ENGINE COMPONENTS AND TESTING
      • Engine Compression Checking
      • Glow Plugs Removal And Installation
      • Checking The Glow Plug
      • Fuel Shut-off Solenoid Removal And Installation
      • Fuel Injection Pump Check
      • Fuel Injection Pump Removal And Installation
      • Fuel Injection Pump Timing
      • Fuel Injector Nozzles Removal And Installation
      • Fuel Injector Nozzle Check
      • Valve Clearance Adjustment
    • ENGINE
      • Removal And Installation
      • Mount Replacement
    • RECONDITIONING THE ENGINE
      • Cylinder Head Removal And Installation
      • Cylinder Head Disassembly And Assembly
      • Cylinder Head Servicing
      • Cylinder Head Top Clearance
      • Valve Guide Checking
      • Reconditioning The Valve And Valve Seat
      • Valve Spring
      • Rocker Arm And Shaft Checking
      • Timing Gearcase Cover Removal And Installation
      • Idler Gear And Camshaft Removal And Installation
      • Camshaft Servicing
      • Idler Gear And Shaft Servicing
      • Timing Gears Checking Backlash
      • Fuel Camshaft Removal And Installation
      • Fuel Camshaft Governor
      • Crankshaft Gear Removal And Installation
      • Oil Pump Removal And Installation
      • Oil Pump Service
      • Checking Engine Oil Pressure
      • Valve Tappets
      • Piston And Connecting Rod Removal And Installation
      • Piston And Connecting Rod Servicing
      • Connecting Rod Alignment
      • Crankshaft And Bearings Removal And Installation
      • Crankshaft And Bearings Servicing
      • Cylinder Bore Checking
      • Water Pump Removal And Installation
      • Water Pump Disassembly And Assembly
      • Fan Removal And Installation
    • FLYWHEEL HOUSING
      • Removal And Installation
    • FLYWHEEL
      • Removal And Installation
      • Ring Gear Removal And Installation
    • DRIVE COUPLER
      • Removal And Installation
    • TURBO
      • Not Available At Time Of Print
  • SPECIFICATIONS
    • LOADER SPECIFICATIONS
      • Backhoe Loader Dimensions
      • Loader Performance
      • Backhoe Performance
      • Controls
      • Engine
      • Hydraulic System
      • Drive System
      • Electrical
      • Tires
      • Capacities
    • ENGINE SPECIFICATIONS
      • Fuel Injection Nozzles
      • Fuel Injection Pump
      • Cylinder Head
      • Valves
      • Valve Springs
      • Valve Timing
      • Rocker Arms
      • Camshaft
      • Cylinders
      • Tappet
      • Piston Rings
      • Pistons
      • Crankshaft
      • Oil Pump
      • Thermostat
      • Connecting Rods
      • Timing Gear
      • Cylinder Liner
      • Engine Bolt Torque
      • Grinding Specifications for the Crankshaft
    • BACKHOE LOADER TORQUE
      • Specifications
    • TORQUE SPECIFICATIONS FOR BOLTS
      • Torque For General Metric Bolts
    • HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS
      • Specifications
    • CONVERSIONS
      • Decimal And Millimeter Equivalents
      • U.S. To Metric Conversion
  • SMR
    • BL-370-1

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