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Bobcat TL3570 VersaHANDLER® TTC, Telescopic Handler Service Manual (SN AVM614000-AVM699999)

Format: PDF (Printable Document)

File Language: English

File Pages: 836

File Size: 30.29 MB (Speed Download Link)

Brand: Bobcat

Model: TL3570 VersaHANDLER® TTC, Telescopic Handler

Book No: 7283169

Serial No: SN AVM614000-AVM699999

Type of Document: Service Manual

Categories: ,

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Bobcat TL3570 VersaHANDLER® TTC, Telescopic Handler Service Manual (SN AVM614000-AVM699999)

On a real job, a TL3570 VersaHANDLER is stacking pallets in a yard, loading trucks, or feeding material into a mixer where a regular loader just can't reach. The person who grabs this service manual is the one with the tools in the truck or the shop bay, trying to get a dead handler back to work without waiting on a dealer. They're chasing down hydraulic problems, weird electrical faults, or planning a teardown instead of just swapping parts and hoping.

What this manual helps you do

  • Diagnose boom, stabilizer, and steering hydraulic issues with proper test points and pressure-check procedures
  • Trace and repair electrical faults in lights, safety interlocks, sensors, and controls using wiring diagrams
  • Follow step-by-step teardown and reassembly for major components like axles, boom sections, cylinders, and driveline parts
  • Check and adjust linkages, boom wear pads, and attachment locking so the handler picks and places safely
  • Verify service specs after repairs so you're not guessing on settings, adjustments, or system checks

Who this is for

This is the correct service manual if you're working on a Bobcat TL3570 VersaHANDLER TTC telescopic handler in the AVM614000 to AVM699999 serial range. If you just need basic operating instructions or daily maintenance tips, you want the operator's handbook instead, not this workshop book.

FAQ

Q: Is this a searchable PDF, and can I read the wiring diagrams on a laptop or tablet?

A: These manuals are usually searchable PDFs, and the wiring diagrams are laid out so you can zoom in and read connector and wire labels clearly.

Q: Does this cover my exact TL3570 machine?

A: It's written for TL3570 units in the AVM614000 through AVM699999 serial number range, so check your serial plate before you buy.

Q: I'm just changing fluids and filters. Is this overkill?

A: Yes, this is more of a repair and diagnostics book. For routine service and how to run the machine, the operator's handbook is a better fit.

Bottom line, if you're actually repairing or diagnosing a TL3570 in that serial range, this is the right manual. If you're only learning to run it, it's the wrong one.

📘 Show Index

Table of Contents:

  • MAINTENANCE SAFETY
  • CONTENTS
  • FOREWORD
    • FOREWORD
    • SAFETY INSTRUCTIONS
      • Safe Operation Is The Operator’s Responsibility
      • Safe Operation Needs A Qualified Operator
      • Avoid Silica Dust
      • Dismantling And Disposal
    • FIRE PREVENTION
      • Maintenance
      • Operation
      • Electrical
      • Hydraulic System
      • Fueling
      • Starting
      • Welding And Grinding
      • Fire Extinguishers
    • PUBLICATIONS AND TRAINING RESOURCES
    • SERIAL NUMBER LOCATION
      • Telescopic Handler Serial Number
      • Engine Serial Number
      • Other Serial Numbers
    • DELIVERY REPORT
    • BOBCAT TELESCOPIC HANDLER IDENTIFICATION
  • SAFETY AND MAINTENANCE
    • LIFTING AND BLOCKING THE TELESCOPIC HANDLER
      • Procedure
    • OPERATOR CAB
      • Description
      • Cab Door
      • Cab Door Window
      • Rear Cab Window
      • Cab Light
    • TRANSPORTING THE TELESCOPIC HANDLER ON A TRAILER
      • Loading And Unloading
      • Fastening
    • TOWING THE TELESCOPIC HANDLER
      • Procedure
    • SERVICE SCHEDULE
      • Maintenance Intervals
    • AIR CLEANER SERVICE
      • Replacing Filter Elements
    • COOLING SYSTEM
      • Cleaning
      • Checking Level
      • Removing And Replacing The Coolant
    • FUEL SYSTEM
      • Fuel Specifications
      • Biodiesel Blend Fuel
      • Filling The Fuel Tank
      • Primary Fuel Filter (Pre-Filter)
      • Secondary Fuel Filter
      • Removing Air From The Fuel System
    • ENGINE LUBRICATION SYSTEM
      • Checking And Adding Engine Oil
      • Engine Oil Chart
      • Removing And Replacing Oil And Filter
    • HYDRAULIC / HYDROSTATIC SYSTEM
      • Checking And Adding Fluid
      • Removing And Replacing Hydraulic Fluid
      • Removing And Replacing Hydraulic / Hydrostatic Filter
      • Removing And Replacing Hydraulic Charge Filter
      • Fill / Breather Cap
    • AXLES (FRONT AND REAR)
      • Checking And Adding Oil (Planetary Carrier)
      • Removing And Replacing Oil (Planetary Carrier)
      • Checking And Adding Oil (Rear Differential)
      • Removing And Replacing Oil (Rear Differential)
      • Checking And Adding Oil (Front Differential)
      • Removing And Replacing Oil (Front Differential)
      • Checking And Adding Oil (Gearbox)
      • Removing And Replacing Oil (Gearbox)
    • LUBRICATING THE TELESCOPIC HANDLER
      • Lubrication Locations
      • Front Pads Lubrication
      • Rear Pads Lubrication
    • ATTACHMENT CARRIER
      • Inspection And Maintenance
    • TIRE MAINTENANCE
      • Wheel Nuts
      • Rotating
      • Wheel Replacement
      • Mounting
      • Pressure
    • APPROVED BOOM STOP
      • Installing The Approved Boom Stop
      • Removing The Approved Boom Stop
    • ENGINE COVER
      • Opening And Closing
    • STOPPING THE ENGINE AND LEAVING THE TELESCOPIC HANDLER
      • Procedure
    • EMERGENCY EXIT
      • Rear Window
    • TELESCOPIC HANDLER STORAGE AND RETURN TO SERVICE
      • Storage
      • Return To Service
    • LIFTING THE TELESCOPIC HANDLER
      • Procedure
    • REMOTE START TOOL (SERVICE TOOL) KIT – 6987761
      • Remote Start Tool (Service Tool) – 7022042
      • Telescopic Handler Service Tool Harness – 6689747
      • Computer Service Tool Harness – 6689746
      • Remote Start Procedure
  • HYDRAULIC SYSTEM
    • HYDRAULIC / HYDROSTATIC SCHEMATICS
    • HYDRAULIC SYSTEM INFORMATION
      • Glossary Of Hydraulic / Hydrostatic Symbols
      • Troubleshooting Chart
      • Tightening Procedures
    • BOOM CYLINDER
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • SELF LEVELING (COMPENSATION) CYLINDER
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • EXTENSION (COMPENSATION) CYLINDER
      • Cylinder Group Removal And Installation
      • Upper Tubeline Removal And Installation
      • Extension Cylinder Removal And Installation
      • Tubeline Tray Disassembly
      • Parts Identification
      • Disassembly
      • Assembly
    • TILT CYLINDER
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • STEERING CYLINDER (FRONT / REAR)
      • Removal
      • Installation
      • Disassembly
      • Assembly
    • COLLECTOR BLOCK
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • SERVICE BRAKE VALVE
      • Removal And Installation
    • TANDEM GEAR PUMP
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • FAN MOTOR
      • Description
      • Removal And Installation
      • Parts Identification (Single Speed Version) (Standard)
      • Disassembly And Assembly (Single Speed Version) (Standard)
      • Parts Identification (Variable Speed Version)
      • Disassembly And Assembly (Variable Speed Version)
    • HYDRAULIC FLUID TANK
      • Removal And Installation
    • STEERING UNIT
      • Removal And Installation
    • MAIN VALVE
      • Troubleshooting Chart (Controllers)
      • Valve Section Troubleshooting
      • Troubleshooting Chart (Main Valve)
      • Main Relief Valve Testing And Adjustment
      • Main Relief Valve Removal And Installation
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
      • Inlet-Outlet Valve Section Disassembly And Assembly
      • Lifting Valve Section Disassembly And Assembly
      • Tilting Valve Section Disassembly And Assembly
      • Telescoping Valve Section Disassembly And Assembly
      • Auxiliary Valve Section Disassembly And Assembly
      • End Housing Disassembly And Assembly
    • PORT RELIEF VALVES
      • Testing
      • Replacement Procedure
    • ACCUMULATORS
      • Accumulators Pressure Relief
    • TRAILER BRAKE VALVE
      • Description
      • Removal And Installation
    • BOOM SUSPENSION AND FLOAT SYSTEM
      • Boom Suspension Functional Description
      • Boom Float Functional Description
      • Removing And Installing The Boom Suspension Valve
  • HYDROSTATIC SYSTEM
    • HYDROSTATIC SYSTEM INFORMATION
      • Troubleshooting Chart
      • Replenishing Valve Function
      • Test Coupler Location
    • OIL COOLER
      • Removal And Installation
    • HYDROSTATIC DRIVE MOTOR
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Inspection
      • Assembly
    • HYDROSTATIC PUMP
      • Removal And Installation
      • Parts Identification
      • Shaft Disassembly
      • Relief Valves Disassembly And Assembly
      • Charge Pump Disassembly
      • Piston Pump Disassembly
      • Solenoid Block Disassembly
      • Inspection
      • Piston Pump Assembly
      • Charge Pump Assembly
      • Solenoid Block Assembly
      • Shaft Assembly
    • CHARGE PRESSURE
      • Description
      • Testing And Adjusting
    • MULTIFUNCTION VALVES
      • Description
      • Testing
  • DRIVE SYSTEM
    • TROUBLESHOOTING
      • Chart
    • AXLE AND DIFFERENTIAL (FRONT)
      • Description
      • Planetary Carrier And Drive Axle Parts Identification
      • Planetary Carrier Disassembly
      • Steering Knuckle Parts Identification
      • Steering Knuckle Disassembly
      • Drive Axle Disassembly
      • Brake Group Parts Identification
      • Brake Group Disassembly
      • Differential And Pinion Group Parts Identification
      • Differential Disassembly
      • Pinion Group Disassembly
      • Pinion Group Assembly
      • Differential Assembly
      • Brake Group Assembly
      • Drive Axle Assembly
      • Steering Knuckle Assembly
      • Planetary Carrier Assembly
    • AXLE AND DIFFERENTIAL (REAR)
      • General Information
      • Planetary Carrier And Drive Axle Parts Identification
      • Planetary Carrier Disassembly
      • Steering Knuckle Parts Identification
      • Steering Knuckle Disassembly
      • Differential And Pinion Group Parts Identification
      • Differential Disassembly
      • Pinion Group Disassembly
      • Pinion Group Assembly
      • Differential Assembly
      • Steering Knuckle Assembly
      • Planetary Carrier Assembly
    • FRONT AXLE
      • Removal And Installation
    • AXLE TOE-IN
      • Adjustment
    • STEERING ANGLE ADJUSTMENT
      • Adjustment
    • PARK BRAKE
      • Releasing The Brake For Towing
      • Adjustment
      • Brake Cylinder Removal
      • Brake Cylinder Disassembly And Assembly
      • Brake Disc Removal And Installation
      • Brake Cylinder Installation
    • GEARBOX
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • GEARBOX SHIFTING CONTROL CYLINDER
      • Removal
      • Parts Identification
      • Disassembly
      • Assembly
      • Installation
    • DRIVESHAFT
      • Rear Driveshaft Removal And Installation
      • Front Driveshaft Removal And Installation
    • SERVICE BRAKE
      • Description
      • Bleeding The Brake Circuit
    • REAR AXLE
      • Removal And Installation
  • MAINFRAME
    • OPERATOR CAB
      • Removal And Installation
    • OPERATOR SEAT
      • Removal And Installation
    • FIXED BOOM
      • Removal
      • Installation
    • INNER BOOM
      • Removal And Installation
    • WEAR PADS (FRONT)
      • Boom Wear Pad Checking
      • Removal And Installation
    • WEAR PADS (REAR)
      • Boom Wear Pad Checking
      • Removal And Installation
    • ENGINE COVER
      • Gas Cylinder Removal And Installation
      • Removal And Installation
    • FUEL TANK
      • Removal And Installation
    • ATTACHMENT CARRIER (QUICK-TACH)
      • Removal And Installation
    • COUNTERWEIGHT
      • Removal And Installation
    • FENDER
      • Removal And Installation
    • STEERING COLUMN COVER
      • Removal And Installation
    • DASH COVER
      • Removal And Installation
    • JOYSTICK PANEL
      • Removal And Installation
  • ELECTRICAL SYSTEM AND ANALYSIS
    • ELECTRICAL SCHEMATICS
    • ELECTRICAL SYSTEM INFORMATION
      • Glossary Of Electrical Symbols
      • Cab Harness Connectors
      • Mainframe Harness Connectors
      • Engine Bay Harness Connectors
      • Troubleshooting Chart
      • Description
      • Fuses And Relay Location / Identification
    • BATTERY
      • Battery Maintenance
      • Using A Booster Battery (Jump Starting)
      • Removing And Installing Battery
    • ALTERNATOR
      • Inspection
      • Removal And Installation
      • Belt Adjustment
      • Belt Checking
      • Belt Replacement
    • STARTER
      • Testing
      • Removal And Installation
    • LIGHTS
      • Rear Light Removal And Installation
      • Front Light Removal And Installation
      • Rear Work Light Removal And Installation
    • SIGNAL LEVER
      • Removal And Installation
    • DISPLAY
      • Removal And Installation
    • INSTRUMENT PANELS
      • Right Instrument And Indicator Panel Removal And Installation
      • Left Instrument Panel Removal And Installation
    • BOOM ANGLE SENSOR
      • Description
      • Removal And Installation
    • FRONT WIPER MOTOR
      • Removal And Installation
    • TOP WIPER MOTOR
      • Removal And Installation
    • REAR WIPER MOTOR
      • Removal And Installation
    • SERVICE BRAKE PEDAL ASSEMBLY
      • Removal And Installation
    • INCHING SENSOR
      • Description
      • Removal And Installation
    • EMERGENCY BRAKE
      • Description
    • SERVICE PC (LAPTOP COMPUTER)
      • Connecting Remote Start Tool (Service Tool) – 6987761
    • FUEL LEVEL SENDER
      • Removal And Installation
    • JOYSTICK
      • Removal And Installation
    • LLMI / LLMC SYSTEM
      • System Components Identification
      • Longitudinal Load Moment Indicator (LLMI) Description
      • Longitudinal Load Moment Controller (LLMC)
      • Longitudinal Load Moment Controller (LLMC) Override Switch
      • LLMC Calibration Test
      • LLMI / LLMC Calibration
      • System Failure Reports
      • LLMS Removal
      • LLMS Installation
    • MAINTENANCE CLOCK
      • Description
      • Setup
      • Reset
    • CONTROLLERS
      • Description
      • Gateway Controller
      • Drive Controller
      • Workgroup Controller
      • Display Controller
      • LLMI Controller
      • LLMC Controller
    • RETRACT SENSOR
      • Removal And Installation
      • Adjustment
    • AUTOMATIC PARK BRAKE
      • Description
    • CALIBRATION
      • Calibrating The Hydrostatic Pump
      • Calibrating The Boom Angle Sensor
      • Calibrating The Inching Sensor
      • Calibrating The LLMC System
      • LLMC Calibration Test
      • LLMI / LLMC System Failure Reports
  • ENGINE SERVICE
    • ENGINE
      • Specifications
      • Troubleshooting
      • Engine Removal And Installation
      • Compression Checking
    • ENGINE BAY ASSEMBLY
      • Removal And Installation
    • ENGINE SPEED CONTROL
      • Removal And Installation
    • MUFFLER
      • Removal And Installation
    • AIR CLEANER
      • Housing Removal And Installation
    • COOLING SYSTEM
      • Hydraulic Oil Cooler / Intercooler / Radiator Removal And Installation
      • Cooling System Description
      • Thermostat Removal And Installation
      • Thermostat Testing
      • Lubricating Oil Cooler Removal And Installation
      • Water Pump Removal
      • Water Pump Installation
      • Expansion Tank Removal And Installation
    • LUBRICATION SYSTEM
      • Engine Lubrication System Description
      • Oil Filter Adapter Removal And Installation
      • Oil Pan Removal And Installation
      • Oil Screen And Pick-up Tube
      • Oil Pump Removal
      • Oil Pump Installation
      • Oil Pump Disassembly And Assembly
      • Oil Pressure Relief Valve Disassembly And Assembly
    • FUEL SYSTEM
      • Fuel Injection Pump Removal
      • Fuel Injection Pump Installation
      • Fuel Injectors Removal And Installation
      • Checking The Fuel Lift Pump
      • Fuel Lift Pump Removal And Installation
      • Exhaust Manifold Removal And Installation
      • Fuel Injector Cover Removal And Installation
      • Rocker Cover Removal And Installation
    • CYLINDER HEAD
      • Glow Plugs Checking
      • Glow Plugs Removal And Installation
      • Removal
      • Inspection
      • Installation
      • Rocker Shaft Disassembly And Assembly
      • Valve Removal
      • Valve Springs Checking
      • Valve Depth Checking
      • Valve Guide Checking
      • Valve Guide Removal
      • Valve Guide Installation
      • Valve Checking
      • Cutting A Valve Seat
      • Valve Seat Assembly
      • Changing Valve Springs (With Cylinder Head Installed)
      • Valve Clearance Adjustment
      • Engine Block Description
      • Engine Block Disassembly And Assembly
      • Engine Block Inspection
      • Cylinder Liner Inspection
      • Cylinder Liner Removal
      • Cylinder Liner Installation
    • CRANKSHAFT AND PISTONS
      • Pistons And Connecting Rods Description
      • Pistons And Connecting Rods Removal
      • Pistons And Connecting Rods Disassembly
      • Piston Ring End Gap
      • Piston Ring Installation
      • Piston Ring Groove Clearance
      • Piston Cooling Jet Removal
      • Piston Cooling Jet Installation
      • Piston Cooling Jet Alignment
      • Connecting Rod Inspection
      • Connecting Rod Bushing Replacement
      • Piston And Connecting Rod Assembly
      • Piston And Connecting Rod Installation
      • Checking Piston Height
      • Crankshaft And Bearings Description
      • Crankshaft And Bearings Removal
      • Inspection Of Crankshaft And Bearings
      • Crankshaft And Bearings Installation
      • Rear Oil Seal Removal
      • Rear Oil Seal Housing Positioning
      • Rear Oil Seal Installation
      • Checking Crankshaft End Play
    • CAMSHAFT AND TIMING GEARS
      • Engine Timing Procedure
      • Timing Case And Drive Assembly Description
      • Timing Cover Removal
      • Timing Cover Installation
      • Crankshaft Pulley Removal And Installation
      • Front Oil Seal Removal And Installation
      • Timing Case And Gear Removal
      • Timing Case And Gear Installation
      • Camshaft And Tappets Removal
      • Camshaft And Tappets Installation
    • TURBOCHARGER
      • Troubleshooting
      • Description
      • Removal And Installation
    • FLYWHEEL AND HOUSING
      • Removal And Installation
      • Flywheel Inspection
      • Ring Gear Removal
      • Ring Gear Installation
  • HEATING, VENTILATION, AIR CONDITIONING (HVAC)
    • AIR CONDITIONING SYSTEM FLOW
      • Description
      • Chart
      • Components
      • Safety Equipment
    • REGULAR MAINTENANCE
      • Filters
      • Air Conditioning Belt Adjustment
      • Belt Replacement
      • Cleaning The Condenser
      • Air Conditioning Lubrication
      • Air Conditioning Service Chart
      • Evaporator / Heater Coil
    • TROUBLESHOOTING
      • Blower Motor Does Not Operate
      • Blower Motor Operates Normally, But Air Flow Is Insufficient
      • Insufficient Cooling Although Air Flow And Compressor Operation Are Normal
      • The Compressor Does Not Operate At All, Or Operates Improperly
      • Gauge Pressure Related Troubleshooting
      • Temperature / Pressure Chart
      • Poor A/C Performance
      • HVAC Repair And Leaks
      • Electrical System
    • SYSTEM CHARGING AND RECLAMATION
      • Reclamation And Charging With Recovery / Charging Unit
    • COMPRESSOR
      • Removal And Installation
      • Oil
      • Oil Check
      • Clutch Disassembly And Assembly
    • CONDENSER
      • Removal And Installation
    • RECEIVER / DRIER
      • Removal And Installation
    • PRESSURE SWITCH
      • Removal And Installation
    • EVAPORATOR / HEATER UNIT
      • Removal And Installation
    • THERMOSTAT
      • Description
      • Removal And Installation
    • EXPANSION VALVE
      • Removal And Installation
  • SPECIFICATIONS
    • (TL35.70(X)) TELESCOPIC HANDLER SPECIFICATIONS
      • Machine Dimensions
      • Performance
      • Weights
      • Engine
      • Controls
      • Drive System
      • Traction
      • Steering
      • Brakes
      • Fluid Capacities
      • Hydraulic System
      • Electrical System
      • Temperature Range
      • Altitude
      • Instrument Panel
      • Environmental*
    • VISIBILITY DIAGRAMS*
      • Visibility Diagrams – 20” Wheels*
      • Visibility Diagrams – 24” Wheels*
      • Visibility Diagrams For Light Material Buckets*
    • LIFTING AND TIE-DOWN SPECIFICATIONS
      • Lifting
      • Tie Down
    • MACHINE TORQUE SPECIFICATIONS
      • Axle
      • Boom
      • Drive Box
      • Drive Motor
      • Engine
      • Hydraulic Pump
    • TORQUE SPECIFICATIONS FOR BOLTS
      • Torque for General SAE Bolts
      • Torque For General Metric Bolts
    • HYDRAULIC CONNECTION SPECIFICATIONS
      • O-ring Face Seal Connection
      • Straight Thread O-ring Fitting
      • Tubelines And Hoses
      • Flare Fitting
      • O-ring Flare Fitting
      • Port Seal Fitting
    • HYDRAULIC / HYDROSTATIC FLUID SPECIFICATIONS
      • Specifications
    • CONVERSIONS
      • Decimal And Millimeter Equivalent Chart
      • U.S. To Metric Conversion Chart
    • SERVICE TOOLS REQUIRED
      • Remote Start Tools
      • Hydraulic Tools
      • Drive Tools
      • Electrical Tools
      • Engine Tools
      • Special Drive Tools
  • ALPHABETICAL INDEX

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