Service manual Caterpillar 308E SR Mini Hydraulic Excavator with C3.3B Engine | JSN00001-UP

303E CR, 303.5E CR, 303.5E2 CR, 304E CR, 305.5E CR, 305E CR, 308E CR, 308E2 CR, 308ECR and 308E2 CR Mini Hydraulic Excavators E-Series MiniHex Monitor
– Control Mode Menu
– Display Module
– General Information
– Main Menu
– Maintenance Information Menu
– Performance Information Menu
– Prestart Monitoring Function
– Security System Menu
– Security System Password Entry
– Service Menu
– Settings Menu
– System Schematic
– Warning Operation
– Work Tool Menu
Air Conditioning and Heating R134a for All Cat Machines
– General Information
– Refrigerant Orifice Tube System
– Refrigerant Compressor
– Refrigerant Compressor
– Refrigerant Compressor
– Refrigerant Condenser
– Refrigerant Condenser
– Refrigerant Receiver-Dryer
– Refrigerant Receiver-Dryer
– Refrigerant Expansion Valve
– In-line Refrigerant Dryer
– Identifying the Refrigerant
– In-line Refrigerant Dryer
– Refrigerant Orifice Tube Assembly
– Refrigerant Orifice Tube Assembly
– Evaporator Coil
– Refrigerant Accumulator
– Refrigerant Accumulator
– Refrigerant Accumulator
– Refrigerant Compressor Protection System
– Temperature Control
– Temperature Control
– Identifying the Refrigerant
– Pressure Switch (Refrigerant)
– Pressure Switch (Refrigerant)
– Cab Pressurization and Filtration System
– Cab Pressurization and Filtration System
– Cab Pressurization and Filtration System
– Condensate Drainage System
– Condensate Drainage System
– Service Intervals
– Service Intervals
– Glossary of Terms
– Identifying the Air Conditioning System
– General Troubleshooting Information
– General Troubleshooting Information
– Machine Preparation for Testing and Adjusting
– Machine Preparation for Testing and Adjusting
– Air Conditioning Performance – Test
– Refrigerant Leakage – Test
– Manifold Gauge Set (Refrigerant) – Install
– Manifold Gauge Set (Refrigerant) – Install
– Refrigerant Recovery
– Refrigerant Recovery
– Identifying the Air Conditioning System
– Refrigerant System – Flush
– Refrigerant Oil – Test
– Refrigerant Compressor – Test
– Refrigerant Compressor – Test
– Refrigerant Compressor – Test
– Refrigerant System – Evacuate
– Refrigerant System – Evacuate
– Refrigerant System – Charge
– Refrigerant System – Charge
– Manifold Gauge Set (Refrigerant) – Remove
– Identifying the Heating System
– Manifold Gauge Set (Refrigerant) – Remove
– Compressor Protection System – Test
– Compressor Protection System – Test
– Electronic Heat Control – Test
– Electronic Heat Control – Test
– Heater Performance – Test
– Heating and Air Conditioning Service Publications
– General Information
– General Information
– Machine Preparation for Disassembly and Assembly
– Refrigerant Expansion Valve System
– Air Conditioner Lines – Remove and Install
– Refrigerant Compressor – Remove and Install
– Refrigerant Accumulator – Remove and Install
– Refrigerant Expansion Valve – Remove and Install
– Refrigerant Receiver-Dryer – Remove and Install
– In-Line Refrigerant Dryer – Remove and Install
– Refrigerant Orifice Tube Assembly – Remove and Install
– Refrigerant Expansion Valve System
– Refrigerant Orifice Tube System
– General Information
Disassembly and Assembly 308E, 308ECR and 308ESR Mini Hydraulic Excavators C3.3B Engine Supplement
– Air Cleaner – Remove and Install
– Alternator – Remove and Install
– Alternator – Remove and Install
– Battery – Remove and Install
– Crankshaft Vibration Damper and Pulley – Remove and Install
– Electric Starting Motor – Remove and Install
– Engine and Main Hydraulic Pump – Remove and Install
– Engine and Main Hydraulic Pump – Remove and Install
– Fan – Remove and Install
– Fuel Filter and Water Separator Base – Remove and Install
– Fuel Filter and Water Separator Base – Remove and Install
– Fuel Priming Pump – Remove and Install
– Fuel Priming Pump – Remove and Install
– Hood – Remove and Install
– Hydraulic Oil Cooler – Remove and Install
– Muffler – Remove and Install
– Radiator – Remove and Install
– Refrigerant Compressor – Remove and Install
– Refrigerant Condenser – Remove and Install
– Refrigerant Receiver-Dryer – Remove and Install
– System Pressure – Release
– Turbocharger – Remove and Install
– Water Pump – Remove and Install
– Water Temperature Regulator – Remove and Install
– Water Temperature Regulator – Remove and Install
Disassembly and Assembly 308ECR and 308ESR Mini Hydraulic Excavators Machine Systems
– Accumulator – Remove and Install
– Blade – Remove and Install
– Blade Cylinder – Remove and Install
– Blade Cylinder – Remove and Install
– Blower Motor (Air Conditioner, Heater) – Remove and Install
– Boom – Remove and Install – Two Piece Boom – Primary Boom
– Boom – Remove and Install – Two Piece Boom, Upper Boom
– Boom Cylinder – Remove and Install
– Boom Cylinder – Remove and Install
– Boom Cylinder – Remove and Install – Boom Offset Cylinder –
– Boom Cylinder – Remove and Install – Two Piece Boom
– Boom Cylinder – Remove and Install – Two Piece Boom –
– Bucket – Remove and Install
– Bucket Cylinder – Remove and Install
– Bucket Linkage – Remove and Install
– Bucket Linkage – Remove and Install
– Cab – Remove and Install
– Cab – Remove and Install
– Check Valve (Cooler Bypass) – Remove and Install
– Check Valve (Slow Return) – Remove and Install
– Control – Remove and Install – Communication Radio
– Control – Remove and Install – Product Link Cellular Antenna
– Control Manifold (Pilot Oil) – Remove and Install
– Counterweight – Remove and Install
– Duo-Cone Conventional Seals – Install
– Evaporator Coil – Remove and Install
– Final Drive and Travel Motor – Assemble
– Final Drive and Travel Motor – Disassemble
– Final Drive and Travel Motor – Install
– Final Drive and Travel Motor – Remove
– Front Idler and Recoil Spring – Install
– Front Idler and Recoil Spring – Remove
– Fuel Tank – Remove and Install
– Gear Pump (Pilot) – Remove and Install
– Heater Core – Remove and Install
– Heating and Air Conditioning Unit – Remove and Install
– Hydraulic Lockout Control – Remove and Install
– Hydraulic Tank – Remove and Install
– Hydraulic Track Adjusters – Install
– Hydraulic Track Adjusters – Remove
– Main Control Valve – Assemble
– Main Control Valve – Disassemble
– Main Control Valve – Remove and Install
– Main Hydraulic Pump – Assemble
– Main Hydraulic Pump – Disassemble
– Main Hydraulic Pump – Remove and Install
– Offset Boom – Remove and Install
– Offset Boom Cylinder – Remove and Install
– Pedal Control and Mounting – Remove and Installl
– Pilot Valve (Blade) – Assemble
– Pilot Valve (Blade) – Disassemble
– Pilot Valve (Blade) – Remove and Install
– Pilot Valve (Joystick) – Assemble
– Pilot Valve (Joystick) – Disassemble
– Pilot Valve (Joystick) – Remove and Install
– Pilot Valve (Travel) – Assemble
– Pilot Valve (Travel) – Disassemble
– Pilot Valve (Travel) – Remove and Install
– Pilot Valve (Travel) – Remove and Install
– Recoil Spring – Assemble
– Recoil Spring – Disassemble
– Relief Valve (Pilot) – Remove and Install
– Relief Valve (Pilot) – Remove and Install
– Seat – Remove and Install
– Solenoid Valve (Hydraulic Lockout) – Remove and Install
– Solenoid Valve (Medium Pressure) – Remove and Install
– Solenoid Valve (Swing Boom) – Remove and Install
– Solenoid Valve (Travel Speed) – Remove and Install
– Solenoid Valve (Work Tool) – Remove and Install
– Sprocket – Remove and Install
– Stick – Remove and Install
– Stick – Remove and Install
– Stick Cylinder – Remove and Install
– Stick Cylinder – Remove and Install
– Swing Drive – Assemble
– Swing Drive – Disassemble
– Swing Drive – Remove and Install
– Swing Motor – Assemble
– Swing Motor – Disassemble
– Swing Motor – Remove and Install
– Swivel – Assemble
– Swivel – Disassemble
– Swivel – Remove and Install
– System Pressure – Release
– Track – Connect
– Track – Remove and Install
– Track – Separate
– Track Adjuster – Assemble
– Track Adjuster – Disassemble
– Track Carrier Roller – Remove and Install
– Track Roller – Remove and Install
– Undercarriage Frame – Install
– Undercarriage Frame – Remove
– Window Wiper Motor – Remove and Install
– Window Wiper Motor – Remove and Install
Disassembly and Assembly C2.6 and C3.3B Engines for Caterpillar Built Machines
– Alternator – Remove and Install
– Alternator – Remove and Install
– Bearing Clearance – Check
– Bearing Clearance – Check
– Bridge Dowels – Remove and Install
– Bridge Dowels – Remove and Install – C2.6
– Bridge Dowels – Remove and Install – C3.3B
– Camshaft and Valve Lifters – Remove and Install
– Camshaft and Valve Lifters – Remove and Install – C3.3B
– Camshaft Gear – Remove and Install
– Camshaft Gear – Remove and Install
– Connecting Rod Bearings – Remove and Install
– Connecting Rod Bearings – Remove and Install
– Crankshaft and Main Bearings – Install
– Crankshaft and Main Bearings – Install
– Crankshaft and Main Bearings – Remove
– Crankshaft Front Seal – Remove and Install
– Crankshaft Front Seal – Remove and Install
– Crankshaft Pulley – Remove and Install
– Crankshaft Pulley – Remove and Install
– Crankshaft Rear Seal and Wear Sleeve – Install – Includes
– Crankshaft Rear Seal and Wear Sleeve – Install – Includes
– Crankshaft Rear Seal and Wear Sleeve – Remove – Includes
– Cylinder Head – Remove and Install
– Cylinder Head – Remove and Install – C3.3B
– Electric Starting Motor – Remove and Install
– Electric Starting Motor – Remove and Install
– Engine Oil Cooler – Remove and Install
– Engine Oil Cooler – Remove and Install – C3.3B
– Engine Oil Pan – Remove and Install
– Engine Oil Pan – Remove and Install
– Engine Oil Pump – Remove and Install
– Engine Oil Pump – Remove and Install
– Engine Oil Relief Valve – Remove and Install
– Engine Oil Relief Valve – Remove and Install
– Exhaust Gas Recirculation Valve – Assemble – C3.3B Tier 4
– Exhaust Gas Recirculation Valve – Disassemble – C3.3B Tier 4
– Exhaust Gas Recirculation Valve – Remove and Install – C3.3B
– Exhaust Manifold – Remove and Install
– Exhaust Manifold – Remove and Install – C3.3B
– Flywheel – Remove and Install
– Flywheel – Remove and Install – C3.3B
– Flywheel Housing – Remove and Install
– Flywheel Housing – Remove and Install
– Fuel Injection Lines – Remove and Install
– Fuel Injection Lines – Remove and Install – C3.3B
– Fuel Injection Nozzles – Remove and Install
– Fuel Injection Nozzles – Remove and Install – C3.3B and C2.6
– Fuel Injection Pump – Remove and Install
– Fuel Injection Pump – Remove and Install
– Fuel Injection Pump and Governor – Assemble
– Fuel Injection Pump and Governor – Assemble
– Fuel Injection Pump and Governor – Disassemble
– Fuel Injection Pump and Governor – Install
– Fuel Injection Pump and Governor – Install – C3.3B
– Fuel Injection Pump and Governor – Remove – C3.3B
– Fuel Injection Pump and Governor – Remove and Install – C2.6
– Glow Plugs – Remove and Install
– Glow Plugs – Remove and Install – C3.3B
– Housing (Front) – Remove and Install
– Housing (Front) – Remove and Install – C3.3B
– Idler Gear – Remove and Install
– Idler Gear – Remove and Install – C3.3B
– Inlet and Exhaust Valve Guides – Remove and Install
– Inlet and Exhaust Valve Guides – Remove and Install – C3.3B
– Inlet and Exhaust Valve Springs – Remove and Install
– Inlet and Exhaust Valve Springs – Remove and Install
– Inlet and Exhaust Valves – Remove and Install
– Inlet and Exhaust Valves – Remove and Install
– Inlet Manifold – Remove and Install
– Inlet Manifold – Remove and Install – C3.3B
– Pistons and Connecting Rods – Assemble
– Pistons and Connecting Rods – Assemble
– Pistons and Connecting Rods – Disassemble
– Pistons and Connecting Rods – Remove and Install
– Pistons and Connecting Rods – Remove and Install
– Rocker Shaft and Push Rod – Remove and Install
– Rocker Shaft and Push Rod – Remove and Install
– Turbocharger – Remove and Install
– Turbocharger – Remove and Install – C3.3B
– V-Belts – Remove and Install
– V-Belts – Remove and Install
– Valve Mechanism Cover – Remove and Install
– Valve Mechanism Cover – Remove and Install – C3.3B
– Water Pump – Remove and Install
– Water Pump – Remove and Install
– Water Temperature Regulator – Remove and Install
– Water Temperature Regulator – Remove and Install – C3.3B
Disassembly and Assembly C3.4B Engines for Caterpillar Built Machines
– Accessory Drive – Remove and Install
– Alternator – Install
– Alternator – Remove
– Alternator Belt – Remove and Install
– Balancer – Install
– Balancer – Remove
– Bearing Clearance – Check
– Camshaft – Remove and Install
– Camshaft Bearings – Remove and Install
– Camshaft Gear – Remove and Install
– Camshaft Position Sensor – Remove and Install
– Connecting Rod Bearings – Install – Connecting rods in position
– Connecting Rod Bearings – Remove – Connecting rods in
– Coolant Temperature Sensor – Remove and Install
– Crankcase Breather – Install
– Crankcase Breather – Remove
– Crankshaft – Install
– Crankshaft – Remove
– Crankshaft Front Seal – Remove and Install
– Crankshaft Main Bearings – Remove and Install
– Crankshaft Position Sensor – Remove and Install
– Crankshaft Pulley – Remove and Install
– Crankshaft Rear Seal – Remove and Install
– Crankshaft Timing Ring – Remove and Install
– Cylinder Head – Install
– Cylinder Head – Remove
– Diesel Particulate Filter – Install – Through Flow Diesel
– Diesel Particulate Filter – Install – Wall Flow Diesel Particulate
– Diesel Particulate Filter – Remove – Through Flow Diesel
– Diesel Particulate Filter – Remove – Wall Flow Diesel
– Electric Starting Motor – Remove and Install
– Electronic Unit Injector – Install
– Electronic Unit Injector – Remove
– Engine Lifting Bracket – Install
– Engine Lifting Bracket – Remove
– Engine Oil Cooler – Install
– Engine Oil Cooler – Remove
– Engine Oil Filter Base – Remove and Install
– Engine Oil Pan – Remove and Install – Cast Iron Engine Oil Pan
– Engine Oil Pan – Remove and Install – Pressed Steel Oil Pan
– Engine Oil Pressure Switch – Remove and Install
– Engine Oil Pump – Install
– Engine Oil Pump – Remove
– Engine Oil Relief Valve – Remove and Install
– Exhaust Cooler (NRS) – Remove and Install
– Exhaust Gas Recirculation Valve – Remove and Install
– Exhaust Manifold – Remove and Install
– Fan – Remove and Install
– Fan Drive – Remove and Install
– Flexible Exhaust Pipe – Remove and Install
– Flow Control Valve – Remove and Install
– Flywheel – Install
– Flywheel – Remove
– Flywheel Housing – Remove and Install – Non-Stressed Cylinder
– Flywheel Housing – Remove and Install – Stressed Cylinder
– Front Cover – Remove and Install
– Fuel Filter Base – Remove and Install
– Fuel Injection Lines – Install
– Fuel Injection Lines – Remove
– Fuel Injection Pump – Install
– Fuel Injection Pump – Remove
– Fuel Injection Pump Gear – Install
– Fuel Injection Pump Gear – Remove
– Fuel Manifold (Rail) – Remove and Install
– Fuel Priming Pump – Remove and Install
– Fuel Temperature Sensor – Remove and Install
– Glow Plugs – Remove and Install
– Housing (Front) – Install
– Housing (Front) – Remove
– Idler Gear – Install
– Idler Gear – Remove
– Idler Pulley – Remove and Install
– Inlet and Exhaust Valve Guides – Remove and Install
– Inlet and Exhaust Valve Springs – Remove and Install
– Inlet and Exhaust Valves – Remove and Install
– Inlet Manifold – Remove and Install
– Inlet Manifold Pressure Sensor – Remove and Install
– Inlet Manifold Temperature Sensor – Remove and Install
– Lifter Group – Remove and Install
– Oxygen Sensor – Remove and Install – Catalytic Converter
– Piston Cooling Jets – Remove and Install
– Pistons and Connecting Rods – Assemble
– Pistons and Connecting Rods – Disassemble
– Pistons and Connecting Rods – Install
– Pistons and Connecting Rods – Remove
– Power Take-Off Drive – Remove and Install
– Pressure Sensor (DPF) – Remove and Install
– Pressure Sensor (Exhaust Back Pressure) – Remove and Install
– Rocker Shaft – Assemble
– Rocker Shaft – Disassemble
– Rocker Shaft and Pushrod – Install
– Rocker Shaft and Pushrod – Remove
– Support and Mounting (CEM) – Remove and Install – Option 1
– Support and Mounting (CEM) – Remove and Install – Option 2
– Support and Mounting (CEM) – Remove and Install – Option 3
– Temperature Sensor (DPF) – Remove and Install
– Temperature Sensor (Exhaust) – Remove and Install
– Throttle Valve (Intake Air) – Remove and Install – Rear Facing
– Throttle Valve (Intake Air) – Remove and Install – Side Facing
– Turbocharger – Install – Side Mounted Turbochargers
– Turbocharger – Install – Top Mounted Turbochargers
– Turbocharger – Remove – Side Mounted Turbochargers
– Turbocharger – Remove – Top Mounted Turbochargers
– Valve Mechanism Cover – Remove and Install
– Wastegate Solenoid – Remove and Install
– Water Pump – Install
– Water Pump – Remove
– Water Separator and Fuel Filter (Primary) – Remove and
– Water Temperature Regulator – Remove and Install
MSS3s Machine Security System
– Cat Data Link – Test
– Connector Contact Description
– Connector Locations
– Data Links
– Determining Diagnostic Trouble Codes
– Diagnostic Capabilities
– Diagnostic Operation
– Diagnostic Trouble Codes
– ECM – Configure
– ECM – Replace
– ECM Output Driver – Test
– ECM Software – Install
– Electrical Connector – Inspect
– Electrical Power Supply – Test
– Electronic Control Module (ECM)
– Emerging Symptom Information
– Engine Does Not Crank and Status Indicator Is Green
– Engine Does Not Start and Status Indicator Is Continuously
– Events
– Factory Password – Obtain
– General Information
– General Information
– General Information
– Glossary of Terms
– Key – Program
– Key Information
– Lost Key (MSS)
– Machine Preparation for Troubleshooting
– Normal Operation
– Operation of Status Indicator
– Product Identification Number – Program
– Protected Functions
– Scheduled Access – “Security System Bypass Times”
– Service Operation Using Machine Security System
– Service Operation Using Service Tool
– Service Tools
– Software – Uninstall – “Immobilizer” Feature
– Symptom Troubleshooting
– System Components
– System Disarm – Program – Security System Bypass
– System Overview
– System Schematic
– Time – Set
– Visual Inspection
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
Schematic Caterpillar 308E SR Excavator Electrical System
– Features
– Cover page
– Tables
– Components
– Connectors
– CID MID FMI
– Schematic
– Schematic
– Machine Views
– Boom Right Side
– Boom Left Side
– Top Center View
– Right Rear Compartment
– Battery Compartment
– Rear View
– Left Rear View
– Below Platform View
– Cab Roof View
– Operator Station View
– Cab Right Side View
– Behind Operator Seat View
– Boom Sensor View
Schematic Caterpillar 308E SR Excavator Hydraulic System
– Features
– Cover page
– Tables
– Components
– Taps
– Schematic
– Schematic
– Machine Views
– Machine Right Side View
– Boom Left front View
– Right Rear top View
– Operator Area Top View
– Main Pump Left Rear View
Specifications 308E CR and 308E SR Mini Hydraulic Excavators Machine System
– Accumulator (Pilot)
– Accumulator (Pilot)
– Accumulator (Pilot)
– Air Cleaner
– Air Conditioner Lines
– Auxiliary Hydraulic Lines
– Blade Cylinder Lines
– Blade Lift Cylinder
– Blade Mounting
– Boom
– Boom – 3.7 m (12.14 ft)
– Boom – 3.7 m (12.14 ft)
– Boom Cylinder
– Boom Cylinder
– Boom Cylinder
– Boom Cylinder – Power Offset
– Boom Cylinder – Two Piece Boom
– Boom Lines
– Boom Lines
– Bucket
– Bucket
– Bucket Adjuster
– Bucket Cylinder
– Bucket Linkage
– Bucket Linkage
– Bucket Linkage
– Cab
– Cab – Duct group
– Cab – Wiring group
– Check Valve (Hydraulic Oil Cooler Bypass)
– Control Manifold (Pilot Oil)
– Counterweight
– Cutting Edge – Blade
– Cylinder Guard
– Cylinder Guard
– Final Drive
– Final Drive – Mounting
– Front Guard
– Front Idler
– Front Lines
– Front Lines
– Fuel Filter and Water Separator
– Fuel Lines
– Fuel Tank and Mounting
– Governor Control
– Grease Lines
– Hydraulic Oil Lines
– Hydraulic Pedal Control (Auxiliary)
– Hydraulic Tank and Filter
– Hydraulic Tank Mounting
– Joystick Control
– Joystick Control
– Main Control Valve
– Main Control Valve
– Main Hydraulic Pump Mounting
– Operator Console
– Operator Console
– Pilot Control Valve (Blade)
– Pilot Lines
– Pilot Operated Hydraulic Control
– Pilot Operated Hydraulic Control
– Pilot Valve
– Pilot Valve (Auxiliary)
– Pilot Valve (Joystick)
– Pilot Valve (Travel)
– Pilot Valve – Boom Load Control
– Pilot Valve – Stick Load Control
– Piston Pump (Main Hydraulic)
– Recoil Spring
– Refrigerant Compressor Mounting
– Refrigerant Condenser and Mounting
– Relief Valve
– Return Lines
– Rollover Protective Structure (ROPS) Mounting
– Seat Belt
– Sprocket
– Stick – 1.665 m (5.4626 ft)
– Stick – 1.75 m (5.741 ft)
– Stick – 2.208 m (7.2441 ft)
– Stick Cylinder
– Stick Cylinder
– Stick Cylinder
– Stick Lines
– Stick Lines – Long
– Stick Lines – Medium
– Swing Drive Mounting
– Swing Gear and Bearing
– Swivel
– Track
– Track
– Track Carrier Roller
– Track Roller
– Track Roller (Single Flange)
– Track Roller Mounting
– Travel Motor Guard
– Travel Motor Lines
– Travel Motor Lines
– Travel Motor Lines
– Upper Frame
Specifications C2.6 and C3.3B Engines for Caterpillar Built Machines
– Alternator and Regulator
– Camshaft
– Connecting Rod
– Crankshaft
– Cylinder Block
– Cylinder Head
– Cylinder Head Valves
– Electric Starting Motor
– Engine Design
– Engine Oil Cooler
– Engine Oil Pan
– Engine Oil Pressure Switch
– Engine Oil Pump
– Fan Drive
– Flywheel
– Flywheel Housing
– Fuel Injection Lines
– Fuel Injection Nozzles
– Fuel Injection Pump
– Gear Group (Rear)
– Glow Plugs
– Governor
– Housing (Front)
– Piston and Rings
– Valve Mechanism
– Valve Mechanism Cover
– Water Temperature Regulator
Systems Operation & Testing and Adjusting C2.6 and C3.3B Engines for Caterpillar Built Machines
– Air in Fuel – Test
– Air Inlet and Exhaust System
– Air Inlet and Exhaust System – Inspect
– Air Inlet and Exhaust System – Tier 4
– Alternator – Test
– Basic Engine
– Battery – Test
– Compression – Test
– Connecting Rod Bearings – Inspect
– Cooling System
– Cooling System – Check – Overheating
– Cooling System – Inspect
– Cooling System – Test
– Cylinder Block – Inspect
– Electric Starting System – Test
– Electrical System
– Engine Oil Pressure – Test
– Engine Oil Pump – Inspect
– Engine Speed – Check
– Engine Valve Lash – Inspect/Adjust – C3.3B Engines
– Excessive Bearing Wear – Inspect
– Excessive Engine Oil Consumption – Inspect
– Exhaust Temperature – Test
– Fuel Injection Pump – Test
– Fuel Injection Timing – Check
– Fuel Injector – Test
– Fuel Quality – Test
– Fuel System
– Fuel System – Inspect
– Fuel Transfer Pump – Test
– General Information
– General Information – Tier 4
– Lubrication System
– Main Bearings – Inspect
– NOx Reduction System (NRS) Temperature – Test
– Piston Ring Groove – Inspect
– Turbocharger – Inspect
– Water Temperature Regulator – Test
Systems Operation 308E CR and 308E SR Mini Hydraulic Excavators Hydraulic System
– Accumulator (Pilot)
– Blade Hydraulic System – If Equipped
– Boom Drift Reduction Valve
– Boom Hydraulic System
– Boom Hydraulic System
– Boom Hydraulic System – Two-Piece Boom (If Equipped)
– Bucket Hydraulic System
– Bypass Valve (Return) – Bypass Check Valve
– Check Valve (Load)
– Check Valve (Return Makeup) – Slow Return Check Valve
– Control Valve (Boom Lowering)
– Control Valve (Stick Lowering)
– Cylinders (Boom, Stick and Bucket)
– Displacement Change Valve
– Final Drive
– Gear Pump (Pilot)
– General Information
– Graphic Color Codes
– Hydraulic Filter (Pilot)
– Hydraulic Oil Cooler
– Hydraulic Tank and Filter
– Implements and Swing Controls Alternate Patterns
– Main Control Valve
– Main Control Valve
– Main Hydraulic Pump
– Main Hydraulic System
– Main Hydraulic System
– Oil Makeup (Swing System)
– Oil Makeup (Travel System)
– Pilot Hydraulic System
– Pilot Hydraulic System
– Pilot Valve (Swing Parking Brake)
– Pilot Valve (Travel)
– Proportional Priority Pressure Compensation System – Metered
– Pump Control (Main Hydraulic)
– Relief Valve (Line)
– Relief Valve (Main)
– Relief Valve (Pilot)
– Relief Valve (Swing)
– Return Hydraulic System
– Shovel Crane
– Shovel Crane
– Solenoid Valve (Hydraulic Lockout)
– Solenoid Valve (Proportional Reducing) – Power Shift System
– Stick Drift Reduction Valve
– Stick Hydraulic System
– Stick Hydraulic System
– Swing Drive
– Swing Hydraulic System
– Swing Motor
– Swivel
– Travel Hydraulic System
– Travel Motor
– Travel Parking Brake
– Work Tool Hydraulic System
Testing and Adjusting 308E CR and 308E SR Mini Hydraulic Excavators Hydraulic System
– Cylinder Drift – Check
– Cylinder Speed – Check
– Cylinder Speed – Check
– Engine Performance – Test – Engine Speed
– General Testing and Adjusting Information
– Machine Drift on a Slope – Check
– Main Hydraulic Pump Air – Purge
– Main Pump (Flow) – Test
– Operational Checks
– Position Sensor – Calibrate – Front Linkage
– Relief Valve (Line) – Test and Adjust
– Relief Valve (Main) – Test and Adjust
– Relief Valve (Pilot) – Test and Adjust
– Relief Valve (Swing) – Test and Adjust
– Shovel Crane – Test and Adjust
– Specifications
– Swing Speed and Overswing on Level Ground – Check
– Swing Speed and Swing Drift on a Slope – Check
– System Pressure – Release
– Travel on Level Ground – Test
– Visual Inspection