Bobcat MT52, MT55 Mini Track Loader Workshop Repair Service Manual – 6986859

(S/N: A3WR11001 & Above – S/N: A3WT11001 & Above – S/N: A3WS11001 & Above – S/N: A3WU11001 & Above)
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This workshop repair service manual PDF download for the MT52, MT55 Bobcat Mini Track Loader has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.

APPLICABLE MODELS :

Bobcat Mini Track Loader MT52, MT55
S/N: A3WR11001 & Above
S/N: A3WT11001 & Above
S/N: A3WS11001 & Above
S/N: A3WU11001 & Above

TABLE OF CONTENTS :

SAFETY & MAINTENANCE
HYDRAULIC SYSTEM
HYDROSTATIC SYSTEM
DRIVE SYSTEM
MAINFRAME
ELECTRICAL SYSTEM & ANALYSIS
ENGINE SERVICE
SPECIFICATIONS
ALPHABETICAL INDEX
SERVICE MANUAL REVISION

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6986859 (3-11)
Total Pages : 403

This manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

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MAINTENANCE SAFETY
CONTENTS
FOREWORD
FOREWORD
SAFETY INSTRUCTIONS
FIRE PREVENTION
Maintenance
Operation
Electrical
Hydraulic System
Fueling
Starting
Spark Arrestor Exhaust System
Welding And Grinding
Fire Extinguishers
SERIAL NUMBER LOCATION
Loader Serial Number
Engine Serial Number
DELIVERY REPORT
MINI LOADER IDENTIFICATION
SAFETY & MAINTENANCE
LIFTING AND BLOCKING THE LOADER
Procedure
Four Point Lift
LIFT ARM SUPPORT DEVICE
Installing
Removing
TRANSPORTING MINI LOADER ON A TRAILER
Loading And Unloading
Fastening
TOWING THE MINI LOADER
Procedure
SERVICE SCHEDULE
Chart
AIR CLEANER SERVICE
Replacing Filter Elements
ENGINE COOLING SYSTEM
Cleaning
Checking Level
Removing And Replacing Coolant
FUEL SYSTEM
Fuel Specifications
Biodiesel Blend Fuel
Filling The Fuel Tank
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
Hydraulic / Hydrostatic Fluid Chart
Removing And Replacing Hydraulic / Hydrostatic Filter
Removing And Replacing Hydraulic Fluid
Hydraulic Reservoir Breather
BOB-TACH
Inspection And Maintenance
LUBRICATION THE MINI LOADER
Lubrication Locations
Parking Brake Lubrication
SPARK ARRESTER MUFFLER
Cleaning Procedure
PIVOT PINS
Inspection And Maintenance
REVERSE STOP PANEL
Inspection
LIFT AND TILT FUNCTION LOCKOUTS
Inspection
LIFT ARM BYPASS CONTROL
Operation
Inspection
NEUTRAL START INTERLOCKS
Inspecting Traction Drive Interlock
Inspecting The Continuous Flow Shutoff Lever
Inspecting Auxiliary Hydraulic Interlock
AUXILIARY HYDRAULIC CONTROL SYSTEM
Inspecting The Continuous Flow Shutoff Lever
Inspecting The Auxiliary Hydraulic Mode Switch (If Equipped)

HYDRAULIC SYSTEM
HYDRAULIC / HYDROSTATIC SCHEMATICS
HYDRAULIC SYSTEM INFORMATION
Glossary Of Hydraulic / Hydrostatic Symbols
Troubleshooting
CYLINDER (LIFT)
Testing
Removal And Installation
Parts Identification
Disassembly And Assembly
CYLINDER (TILT)
Testing
Removal And Installation
Rod End Pivot Pin Bushing And Seal Removal And Installation
Parts Identification
Disassembly And Assembly
MAIN RELIEF VALVE
Description
Testing
Removal And Installation
PORT RELIEF VALVES
Testing (Lift)
Removal And Installation (Lift)
Testing (Tilt)
Removal And Installation (Tilt)
HYDRAULIC CONTROL VALVE
Description
Removal And Installation
Identification Chart
Disassembly And Assembly
HYDRAULIC PUMP
Direct Pump Testing
Removal And Installation
Parts Identification
Disassembly And Assembly
HYDRAULIC / HYDROSTATIC FILTER
Description
Housing Removal And Installation
HYDRAULIC FLUID RESERVOIR
Description
Removal And Installation
OIL COOLER
Description
Removal And Installation

HYDROSTATIC SYSTEM
HYDROSTATIC SYSTEM INFORMATION
Troubleshooting
Description
HYDROSTATIC MOTOR
Description
Removal And Installation
Parts Identification
Disassembly
Inspection
Assembly
CHARGE PRESSURE
Description
Testing
Sender Removal And Installation
Replacing Poppet Assembly
HYDROSTATIC PUMP
Description
Removal And Installation
Replenishing / High Pressure Relief Valve Removal And Installation
Parts Identification
Disassembly
Assembly
DRIVE BELT
Description
Shield Removal And Installation
Adjusting
Alignment
Belt Removal And Installation
Tensioner Pulley Removal And Installation
HYDROSTATIC CONTROLS
Steering Control Panel Removal And Installation
Steering Control Panel Disassembly And Assembly
Steering Shaft Assembly Removal And Installation
Steering Linkage Adjustment
Adjusting Reverse Speed Control

DRIVE SYSTEM
PARKING BRAKE
Description
Handle Removal And Installation
Cable Removal And Installation
Cable Adjustment
Linkage Assembly Removal And Assembly
Brake Pin Lubrication
TRACK CARRIAGE COMPONENTS
Description
Checking Tension
Adjusting Tension
Track Removal And Installation
Idler (Front) Removal And Installation
Idler (Front) Disassembly And Assembly
Idler (Rear) Removal And Installation
Idler (Rear) Parts Identification
Idler (Rear) Disassembly And Assembly
Tensioner Disassembly And Assembly
Roller Removal And Installation
Roller Parts Identification
Roller Disassembly And Assembly
Carriage Removal And Installation
Track Damage Identification

MAINFRAME
BOB-TACH
Removal And Installation
Seal Removal And Installation
Lever And Wedge Disassembly And Assembly
LIFT ARMS
Removal And Installation
REAR DOOR
Removal And Installation
Rear Door Panel Removal And Installation
Striker Removal And Installation
Striker (Adjusting)
Latch Removal And Installation
Bumper (Adjusting)
FUEL TANK
Removal And Installation
Fuel Level Sender Removal And Installation
INSTRUMENT PANEL
Removal And Installation
GRAB BAR
Removal And Installation
HOOD
Removal And Installation
Disassembly And Assembly
Latch Removal And Installation
Striker (Adjusting)
REVERSE STOP PANEL
Description
Inspecting Function
Removal And Installation
Reverse Stop Mechanism Removal And Installation
Reverse Stop Mechanism Disassembly And Assembly
BOTTOM ACCESS PANEL
Removal And Installation
RIDE-ON PLATFORM (HINGED)
Removal And Installation
Tire Removal And Installation
Caster With Bushing Removal And Installation
Caster With Bearings Removal And Installation
Caster With Bearings Disassembly And Assembly

ELECTRICAL SYSTEM & ANALYSIS
ELECTRICAL SCHEMATICS
ELECTRICAL SYSTEM INFORMATION
Glossary Of Electrical Symbols
Description
Troubleshooting
Fuse And Relay Location / Identification
Solenoid Testing
BATTERY
Removal And Installation
Servicing
Using A Booster Battery (Jump Starting)
ALTERNATOR
Belt Adjustment
Belt Replacement
Description
Alternator Output Test
Full Field Test
Alternator Voltage Testing
Removal And Installation
Parts Identification
STARTER
Testing
Removal And Installation
Parts Identification
INSTRUMENT PANEL
Component Removal And Installation
LIGHTS
Removal And Installation
NEUTRAL START SENSOR
Description
Removal And Installation
Sensor Activation Adjustment
Sensor Activation Bolt Removal
CONTINUOUS FLOW SHUTOFF SWITCH
Removal And Installation
Testing
ELECTRICAL / HYDRAULIC CONTROLS
Identification Chart
ELECTRIC COOLING FAN
Description
Removal And Installation

ENGINE SERVICE
ENGINE INFORMATION
Description
Specifications (Kubota D722-EB)
Specifications (Kubota D902-EB)
Torque Values
Troubleshooting
Engine Removal And Installation
Engine Mount Replacement
Compression – Checking
ENGINE SPEED CONTROL
Removal And Installation
Disassembly And Assembly
Cable Removal And Installation
MUFFLER
Removal And Installation
AIR CLEANER
Housing Removal And Installation
ENGINE COOLING SYSTEM
Radiator Removal And Installation
Fan Blade Removal And Installation
Water Pump Removal And Installation
Water Pump Disassembly And Assembly
Thermostat Housing Removal And Installation
LUBRICATION SYSTEM
Oil Pan Removal And Installation
Oil Pump Removal And Installation
Oil Pump Inspection
Engine Oil Pressure – Testing
FUEL SYSTEM
Fuel Camshaft Removal And Installation
Fuel Camshaft Governor Disassembly And Assembly
Fuel Shutoff Solenoid – Checking
Fuel Injection Pump Removal And Installation
Fuel Injection Pump – Timing
Fuel Injector Removal And Installation
Fuel Injector Nozzle Pressure – Checking
Nozzle Spray Condition
Valve Seat Tightness
CYLINDER HEAD
Glow Plugs – Testing
Glow Plugs Removal And Installation
Valve Clearance Adjustment
Valve Timing – Checking
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
Valve Tappets
Rocker Arm And Shaft – Checking
CRANKSHAFT AND PISTONS
Piston And Connecting Rod Removal And Installation
Piston And Connecting Rod – Servicing
Cylinder Bore – Checking
Connecting Rod Alignment
Crankshaft Gear Removal And Installation
Crankshaft And Bearings Removal And Installation
Crankshaft And Bearings – Servicing
CAMSHAFT AND TIMING GEARS
Timing Gearcase Cover Removal And Installation
Timing Gears Backlash – Checking
Idler Gear And Shaft Removal And Installation
Camshaft – Servicing
Idler Gear And Shaft Servicing
HYDRAULIC GEAR PUMP MOUNTING BRACKET
Removal And Installation
Hydraulic Gear Pump Coupler Removal And Installation
FLYWHEEL AND ENGINE MOUNTING BRACKET
Flywheel Removal And Installation
Ring Gear Removal And Installation
Engine Mounting Bracket Removal And Installation

SPECIFICATIONS
(MT52) MINI LOADER SPECIFICATIONS
Machine Dimensions
Performance
Controls
Engine
Hydraulic System
Electrical
Drive System
Capacities
Tracks
Ground Pressure
(MT55) MINI LOADER SPECIFICATIONS
Machine Dimensions
Performance
Controls
Engine
Hydraulic System
Electrical
Drive System
Capacities
Tracks
Ground Pressure
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
Port Seal Fitting
HYDRAULIC FLUID SPECIFICATIONS
Specifications
CONVERSIONS
Decimal And Millimeter Equivalent Chart
U.S. To Metric Conversion Chart

ALPHABETICAL INDEX

SERVICE MANUAL REVISION
Revision No: MT52, MT55 – 1
Revision No: MT52, MT55 – 2
Revision No: MT52, MT55 – 3
Revision No: MT52, MT55 – 4

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