Bobcat 337, 341 D-Series Excavator Repair Service Manual - 6901080

Download Ebook



(S/N: 233311001 & Above - S/N: 233211001 & Above) - (D Series)

This service manual PDF download for the Bobcat 337 & 341 Mini Hydraulic Excavator 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 Excavator 337 & 341
S/N: 233311001 & Above
S/N: 233211001 & Above
(D Series)


TABLE OF CONTENTS :

FOREWORD
SAFETY INSTRUCTIONS
SERIAL NUMBER LOCATIONS
DELIVERY REPORT
BOBCAT EXCAVATOR IDENTIFICATION
SAFETY AND MAINTENANCE
HYDRAULIC SYSTEM
UNDERCARRIAGE
UPPERSTRUCTURE & SWING SECTION
ELECTRICAL SYSTEM AND ANALYSIS
ENGINE SERVICE
HEATING, VENTILATION, AIR CONDITIONING
SPECIFICATIONS
SERVICE MANUAL REVISION


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6901080 (4-07)
Total Pages : 901


This service repair workshop 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
ALPHABETICAL INDEX
CONTENTS
SAFETY INSTRUCTIONS
Fire Prevention
SERIAL NUMBER LOCATIONS
Hydraulic Excavator Serial Number
Engine Serial Number
DELIVERY REPORT
BOBCAT EXCAVATOR IDENTIFICATION
SAFETY AND MAINTENANCE
LIFTING AND BLOCKING THE EXCAVATOR
Procedure
LIFTING THE EXCAVATOR
3-Point Lift Procedure
OPERATOR CAB
Emergency Exit
Cab Door
TRANSPORTING THE EXCAVATOR
Procedure
TAILGATE (S/N 233311549 & BELOW, S/N 233211442 & BELOW)
Opening And Closing The Tailgate
Adjusting The Bumper
Adjusting The Latch
TAILGATE (S/N 233311550 ABOVE, S/N 233211443 & ABOVE)
Opening And Closing The Tailgate
Adjusting The Bumper
Adjusting The Striker
SERVICE SCHEDULE
AIR CLEANER SERVICE
Checking
Replacing The Filters
HEATER AIR FILTER
Fresh Air Filter
Recirculation Filter (Early Models Only)
COOLING SYSTEM
Cleaning The Cooling System
Checking Coolant Level
Replacing The Coolant (Early Models)
Replacing The Coolant (Later Models)
FUEL SYSTEM
Fuel Specifications
Filling The Fuel Tank
Removing Water From The Fuel Filter
Fuel Filter
Draining The Fuel Tank
Removing Air From The Fuel System
ENGINE LUBRICATION SYSTEM
Checking Engine Oil (Early Models)
Replacing Oil And Filter (Early Models)
Checking Engine Oil (Later Models)
Replacing Oil And Filter (Later Models)
HYDRAULIC SYSTEM
Checking And Adding Fluid (Early Models)
Checking And Adding Fluid (Later Models)
Replacing The Hydraulic Oil (Early Models)
Replacing The Hydraulic Oil (Later Models)
Replacing the Hydraulic Filter
Replacing the Case Drain Filter
Diagnostic Couplers
LUBRICATION OF THE EXCAVATOR
Procedure
TRAVEL MOTOR
Checking Oil Level
Draining The Travel Motor
SPARK ARRESTOR MUFFLER (IF EQUIPPED)
Servicing
HYDRAULIC SYSTEM
HYDRAULIC/HYDROSTATIC SCHEMATIC
HYDRAULIC SYSTEM INFORMATION
Troubleshooting Chart
Description
BOOM CYLINDER
Testing
Removal And Installation
Parts Identification
Disassembly
Assembly
ARM CYLINDER
Testing
Removal and Installation
Parts Identification
Disassembly
Assembly
BOOM SWING CYLINDER
Testing
Removal And Installation
Parts Identification
Disassembly
Assembly
BUCKET CYLINDER
Testing
Removal And Installation
Parts Identification
Disassembly
Assembly
BLADE CYLINDER
Testing
Removal And Installation
Parts Identification
Disassembly
Assembly
CLAMP CYLINDER
Testing
Removal And Installation
Parts Identification
Disassembly
Assembly
MAIN RELIEF VALVE
PORT RELIEF VALVES
Port Relief Valve Pressure Setting
Parts Identification
Adjustment Procedure
CROSSPORT RELIEF VALVE
Testing And Adjusting The Crossport Relief Valve
Removal And Installation
Disassembly And Assembly
PRESSURE REDUCING VALVE
Description
HYDRAULIC CONTROL VALVE ASSEMBLY
Removal And Installation
Control Valve Identification
Disassembly And Assembly
Swing Valve Section (Slew Valve Section)
Boom Offset Valve Section
Blade Valve Section
Bucket Valve Section
Arm Valve Section
Boom Valve Section
Auxiliary Valve Section
Right Side Travel Valve Section
Left Side Travel Valve Section
Inlet Section
HYDRAULIC PUMP
Hydraulic Pump Work Sheet
Pump Testing
Test Fitting Installation
Torque Limiter Adjustment
Removal And Installation
Coupler Removal And Installation
Torque Limiter Valve Parts Identification
Torque Limiter Valve Removal
Torque Limiter Valve Disassembly
Torque Limiter Valve Assembly
Initial Torque Limiter Valve Setting
Torque Limiter Valve Installation
Pump Control Parts Identification
Pump Control Removal And Installation
Pump Control Disassembly And Assembly
Parts Identification
Disassembly
Assembly
MANIFOLD ASSEMBLY/ACCUMULATOR
Description
Testing Pilot Pressure
Adjusting The Pilot Pressure
Removal And Installation
Manifold Assembly/Accumulator Parts Identification (S/N 233311636 & Below, S/N 233211536 & Below)
Disassembly And Assembly (S/N 233311636 & Below, S/N 233211536 & Below)
Manifold Assembly/Accumulator Parts Identification (S/N 233311637 & Above, S/N 233211537 & Above)
Disassembly And Assembly (S/N 233311637 & Above, S/N 233211537 & Above)
TRAVEL MOTOR
Checking Oil Level
Draining And Refilling
Removal And Installation
Parts Identification
Disassembly
Assembly
SWIVEL JOINT
Removal And Installation
Parts Identification
Disassembly
Assembly
SWING MOTOR
Removal And Installation
Disassembly
Inspection
Assembly
SWING MOTOR DRIVE CARRIER
Removal And Installation
Parts Identification
Checking The Drive Carrier Shaft End Play
Disassembly
Inspection
Assembly
CONTROL PATTERN SELECTOR VALVE
Removal And Installation
Disassembly
Assembly
RIGHT CONTROL LEVER (JOYSTICK) (S/N 233311869 & BELOW AND 233211877 & BELOW)
Testing
Handle Removal And Installation
Joystick Assembly Removal And Installation
Parts Identification
Disassembly And Assembly
LEFT CONTROL LEVER (JOYSTICK) (S/N 233311869 & BELOW AND 233211877 & BELOW)
Testing
Handle Removal And Installation
Joystick Assembly Removal And Installation
Parts Identification
Disassembly And Assembly
RIGHT CONTROL LEVER (JOYSTICK) (S/N 233311870 & ABOVE AND 233211878 & ABOVE)
Testing
Handle Removal And Installation
Joystick Assembly Removal And Installation
Parts Identification
Disassembly
Assembly
LEFT CONTROL LEVER (JOYSTICK) (S/N 233311870 & ABOVE AND 233211878 & ABOVE)
Testing
Handle Removal And Installation
Joystick Assembly Removal And Installation
Parts Identification
Disassembly
Assembly
TRAVEL CONTROL VALVE
Removal and Installation
Disassembly And Assembly
HYDRAULIC FILTER
Removal And Installation
HYDRAULIC FLUID RESERVOIR
Removal And Installation
OIL COOLER
Removal And Installation
DUAL SEQUENCE VALVE
Removal And Installation
Disassembly And Assembly
DIRECT TO TANK VALVE
Removal And Installation
Disassembly And Assembly
BUILD UP VALVE
Removal And Installation
Disassembly And Assembly
CASE DRAIN FILTER
Removal And Installation
REMOVING AIR FROM HYDRAULIC SYSTEM
Procedure
BOOM OFFSET LOCK VALVE
Description
Removal And Installation
Parts Identification
Disassembly
Assembly
UNDERCARRIAGE
BLADE
Removal And Installation
TRACKS
Track Lug Height
Rubber Track Clearance
Rubber Track Adjustment
Steel Track Clearance
Steel Track Adjustment
Rubber Track Removal And Installation
Steel Track Removal
Steel Track Installation
Track Shoe Removal And Installation
TRACK FRAME
Disassembly And Assembly
TRACK IDLER (RUBBER TRACK S/N 233311115 & BELOW AND 233211116 & BELOW, STEEL TRACK S/N 233311107 & BELOW AND 233211099 & BELOW)
Parts Identification
Disassembly
Assembly
TRACK IDLER (RUBBER TRACK S/N 233311116 & ABOVE AND 233211117 & ABOVE, STEEL TRACK S/N 233311108 & ABOVE AND 233211100 & ABOVE)
Parts Identification
Disassembly
Assembly
TRACK ROLLER (RUBBER TRACK S/N 233311115 & BELOW AND S/N 233211116 & BELOW, STEEL TRACK S/N 233311107 & BELOW AND 233211099 & BELOW)
Parts Identification
Disassembly
Assembly
TRACK ROLLER (RUBBER TRACK S/N 233311116 & ABOVE AND S/N 233211117 & ABOVE, STEEL TRACK S/N 233311108 & ABOVE AND 233211100 & ABOVE)
Parts Identification
Disassembly And Assembly
TRACK DAMAGE IDENTIFICATION
Cutting Of Steel Cords
Abrasion Of Embedded Metals
Separation Of Embedded Metals
Separation Of Embedded Metals Due To Corrosion
Cuts On The Lug Side Rubber
Cracks On The Lug Side Rubber Due To Fatigue
Lug Abrasion
Cracks And Cuts On The Lug Side Rubber
Abrasion Of The Track Roller Side
Cuts On The Edges Of Track Roller Side
SWING CIRCLE GEAR
Removal And Installation
Swing Bearing Removal
Swing Bearing Installation
UPPERSTRUCTURE & SWING SECTION
UPPERSTRUCTURE
Removal
Installation
ROPS CANOPY
Removal And Installation
CAB
Removal And Installation
Door Removal And Installation
Front Window Removal And Installation
Lower Front Window Removal And Installation
Right Side Rear Sliding Window Removal And Installation (Two Piece Side Window)
Right Side Front Sliding Window Removal And Installation (Two Piece Side Window)
Right Side Rear Sliding Window Removal And Installation (Three Piece Side Window)
Right Side Front Sliding Window Removal And Installation (Three Piece Side Window)
Right Side Panel And Window Assembly Removal And Installation
Door, Left Side, Rear & Upper Front Window Removal And Installation
SEAT AND SEAT MOUNT
Removal and Installation
RIGHT CONSOLE
Console Cover Removal And Installation
Console Base Removal And Installation
LEFT CONSOLE
Lower Console Cover Removal And Installation
Upper Console Cover Removal And Installation
Compression Spring Removal And Installation
Lock Lever Removal And Installation
Upper Console Removal And Installation
Console Switch Removal And Installation
Disassembly And Assembly
Console Base Removal And Installation
ENGINE SPEED CONTROL
Removal And Installation
BLADE CONTROL
Lever Removal And Installation
Linkage Removal And Installation
Linkage Bar Removal And Installation
Lower Linkage Removal And Installation
Lower Linkage Disassembly And Assembly
RIGHT PEDAL AND LINKAGE
Pedal Removal And Installation
Pedal Disassembly And Assembly
Lower Linkage Removal And Installation
Lower Linkage Disassembly And Assembly
Bellcrank Removal And Installation
TRAVEL CONTROLS
Removal And Installation
Disassembly And Assembly
Adjustment
CONTROL LINKAGE ASSEMBLY
Removal And Installation
FLOOR MAT AND FLOOR PANELS
Removal And Installation
FUEL TANK
Removal And Installation
HORN
Removal And Installation
SWING FRAME
Boom Swing Bracket Removal And Installation
Boom Swing Bracket Hose Installation
Swing Bracket Bushing Removal
Swing Bracket Bushing Installation
Boom Pivot Pin Bushing Removal (S/N 233311405 & Above And 233211373 & Above)
Boom Pivot Pin Bushing Installation (S/N 233311405 & Above And 233211373 & Above)
BOOM
Removal And Installation
Boom Pivot Pin Bushings Removal And Installation (S/N 233311405 & Above And 233211373 & Above)
ARM
Removal And Installation
BUCKET
Bucket Teeth Removal And Installation
TAILGATE
Removal And Installation
Release Rod Removal And Installation (S/N 233311549 & Below, S/N 233211442 & Below)
Latch Removal And Installation (S/N 233311549 & Below, S/N 233211442 & Below)
Latch Removal And Installation (S/N 233311550 & Above, S/N 233211443 & Above)
Striker Removal And Installation (S/N 233311550 & Above, S/N 233211443 & Above)
X-CHANGE™
Removal And Installation
Parts Identification
Disassembly
Assembly
ELECTRICAL SYSTEM AND ANALYSIS
ELECTRICAL SCHEMATIC
ELECTRICAL SYSTEM INFORMATION
Wiring Schematics
Description
Troubleshooting Chart
Fuse Location
Fuses
Electrical System Service
BATTERY
Using A Booster Battery (Jump Starting)
Removal And Installation
Servicing
ALTERNATOR
Checking The Belt Tension
Adjusting The Belt Tension
Removal And Installation
Alternator Identification
Charging System Check
Alternator Voltage Test
Low Voltage Test
High Voltage Test
Rectifier Continuity (Diode) Test
Alternator Regulator Test
Disassembly
Stator Continuity Test
Stator Ground Test
Rotor Continuity Test
Rotor Ground Test
Assembly
STARTER
Removal And Installation
Parts Identification
Disassembly
Inspection And Repair
Assembly
LIGHTS
Removal And Installation
Disassembly And Assembly
TWO SPEED SWITCH
Removal And Installation
FUEL LEVEL SENDER
Removal And Installation
Testing And Inspection
DIAGNOSTICS SERVICE CODE
Number Codes List
ENGINE SERVICE
TROUBLESHOOTING
Chart
MUFFLER
Removal And Installation
AIR CLEANER
Removal And Installation
RADIATOR (S/N 233311421 & BELOW, S/N 233211379 & BELOW)
Removal And Installation
RADIATOR (S/N 233311422 & ABOVE, S/N 233211380 & ABOVE)
Removal And Installation
ENGINE COMPONENTS AND TESTING
Engine Compression Checking
Glow Plugs Removal And Installation
Checking The Glow Plug
Fuel Shut-off Solenoid Adjustment
Fuel Shut-off Solenoid Removal And Installation
Fuel Injection Pump Check
Fuel Injection Pump Removal And Installation
Fuel Injector Nozzles Removal And Installation
Fuel Injector Nozzle Check
Valve Clearance Adjustment
ENGINE
Removal And Installation
FLYWHEEL AND HOUSING
Flywheel Removal And Installation
Flywheel Ring Gear
RECONDITIONING THE ENGINE
Cylinder Head Removal And Installation
Cylinder Head Disassembly And Assembly
Cylinder Head Servicing
Cylinder Head Top Clearance
Valve Guide, Checking
Valve And Valve Seat Reconditioning
Valve Spring, Checking
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
Relief Valve
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
HEATING, VENTILATION, AIR CONDITIONING
HEATER COIL
Removal And Installation With A/C
Removal And Installation Without A/C
HEATER/AC FAN
Removal And Installation
Disassembly And Assembly
Resistor Removal and Installation
Wire Connector Removal and Installation
HEATER VALVE
Removal and Installation
AIR CONDITIONING SYSTEM FLOW
Principals
Chart
COMPONENTS
Identification
SAFETY
Safety Equipment
REGULAR MAINTENANCE
Filter Elements Removal And Installation
Compressor Drive Belt Inspection
Cleaning The Condenser
BASIC TROUBLESHOOTING
Poor A/C Performance
Cleaning The A/C Evaporator Coil & Heater Coil
Compressor Drive Belt Inspection
Checking The Electrical System
Engine Coolant By-Passing The Heater Valve
GENERAL AIR CONDITIONING SERVICE GUIDELINES
Compressor Oil
Compressor Oil Check
Component Replacement And Refrigeration Leaks
SYSTEM TROUBLESHOOTING CHART
Gauge Pressure Related Troubleshooting
TEMPERATURE/PRESSURE
Chart
AIR CONDITIONING SERVICE
Chart
SYSTEM CHARGING AND RECLAMATION
Reclamation Procedure
Charging Procedure With A Manifold Gauge Set
Charging Procedure
COMPRESSOR
Removal And Installation
Compressor Clutch Disassembly And Assembly
CONDENSER
Removal And Installation
RECEIVER/DRIER
Removal And Installation
PRESSURE RELIEF VALVE
Removal And Installation
PRESSURE SWITCH
Removal And Installation
EVAPORATOR/HEATER UNIT
Removal And Installation
Disassembly And Assembly
THERMOSTAT
Removal And Installation
EXPANSION VALVE
Removal And Installation
EVAPORATOR
Removal And Installation
SPECIFICATIONS
337 HYDRAULIC EXCAVATOR SPECIFICATIONS
Machine Dimensions
Lifting Capacity
Weights
Controls
Engine
Electrical
Hydraulic Systems
Swing System
Hydraulic Cylinders
Drive System
Brakes
Undercarriage
Track Shoes
Refill Capacities
Digging Force
341 HYDRAULIC EXCAVATOR SPECIFICATIONS
Machine Dimensions
Lifting Capacity
Weights
Controls
Engine
Electrical
Hydraulic Systems
Swing System
Hydraulic Cylinders
Drive System
Brakes
Undercarriage
Track Shoes
Refill Capacities
Digging Force
ENGINE SPECIFICATIONS
Fuel Injection Nozzles
Fuel Injection Pump
Cylinder Head
Valves
Valve Springs
Valve Timing
Rocker Arms
Camshaft
Tappet
Cylinders
Piston Rings
Pistons
Connecting Rods
Oil Pump
Crankshaft
Timing Gear
Thermostat
Engine Bolt Torque
Crankshaft Re-Grind Data
TORQUE SPECIFICATIONS
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 FLUID SPECIFICATIONS
Specifications
FUEL, COOLANT AND LUBRICANTS
Chart
CONVERSIONS
Decimal And Millimeter Equivalents
U.S. To Metric Conversion
SERVICE MANUAL REVISION
337/341-1
337/341-2
337/341-3
337/341-4
337/341-5
337/341-6
337/341-7
337/341-8

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