Komatsu PC308USLC-3E0 with SAA6D107E-1 Engine Hydraulic Excavator Service Manual

Name: Komatsu PC308USLC-3E0 with SAA6D107E-1 Engine Hydraulic Excavator Service Manual
Brand: MidWestTech
SKU: SEN00964-08
Price: 99.91 USD
Availability: InStock

961 pages · Publication SEN00964-08

$99.91

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Models: PC308USLC-3E0 with SAA6D107E-1 Engine
Serial coverage: 30001 and up
Manual type: Service Manual
Pages: 961
Publication: SEN00964-08
Condition: Brand new

Komatsu PC308USLC-3E0 with SAA6D107E-1 Engine Hydraulic Excavator Service Manual, publication SEN00964-08

What's inside

From the manual's own table of contents: 8 sections, 378 entries. See sample pages (PDF, 791 KB)

Search the contents

Index and foreword46 topics

Shop Manual, contents binder, binder label and tabs
Index and foreword
Foreword and general information
Specification
Specification and technical data
Structure, function and maintenance standard
Engine and cooling system
Power train
Undercarriage and frame
Hydraulic system, Part 1
Hydraulic system, Part 2
Hydraulic system, Part 3
Work equipment
Cab and its attachments
Electrical system
Standard value table
Standard service value table
Testing and adjusting
Testing and adjusting, Part 1
Testing and adjusting, Part 2
Troubleshooting
Failure code table and fuse locations
General information on troubleshooting
Troubleshooting by failure code (Display of code), Part 1
Troubleshooting by failure code (Display of code), Part 2
Troubleshooting by failure code (Display of code), Part 3
Troubleshooting of electrical system (E-mode)
Troubleshooting of hydraulic and mechanical system (H-mode)
Troubleshooting of engine (S-mode)
Disassembly and assembly
General information on disassembly and assembly
Hydraulic system
Diagrams and drawings
Hydraulic diagrams and drawings
Electrical diagrams and drawings
Composition of shop manual
Safety notice
How to read the shop manual
Explanation of terms for maintenance standard
Handling of electric equipment and hydraulic component
Handling of connectors newly used for engines
How to read electric wire code
Precautions when carrying out operation
Method of disassembling and connecting push-pull type coupler
Standard tightening torque table
Conversion table

Specification4 topics

Specification dimension drawings
Specifications
Weight table
Table of fuel, coolant and lubricants

Structure, function and maintenance standard36 topics

Engine related parts
Radiator, oil cooler, aftercooler and fuel cooler
Final drive
Sprocket
Swing machinery
Swing circle
Track frame and recoil spring
Idler
Carrier roller
Track roller
Track shoe
Hydraulic equipment layout drawing
Hydraulic tank and filter
Hydraulic pump
Control valve
CLSS
Functions and operation by valve
Merge-divider valve
Attachment circuit selector valve
Hydraulic drift prevention valve
Valve control
PPC valve
Solenoid valve
PPC accumulator
Return oil filter
Center swivel joint
Travel motor
Swing motor
Hydraulic cylinder
Dimensions of components
Air conditioner piping
Engine control
Electronic control system
Monitor system
Sensor
KOMTRAX system

Standard value table2 topics

Standard value table for engine related parts
Standard value table for chassis related parts

Testing and adjusting37 topics

Tools for testing, adjusting and troubleshooting
Testing engine speed
Testing air boost pressure
Testing exhaust gas color
Adjusting valve clearance
Testing compression pressure
Testing blow-by pressure
Testing engine oil pressure
Handling fuel system parts
Releasing residual pressure from fuel system
Testing fuel pressure
Testing fuel delivery, return rate and leak amount
Bleeding air from fuel circuit
Checking and adjusting air conditioner compressor belt tension
Replacement of fan belt
Measurement of clearance in swing circle bearings
Checking and adjusting track shoe tension
Testing and adjusting oil pressure in work equipment, swing and travel circuits
Testing control circuit basic pressure
Inspection and adjustment of pump PC control circuit oil pressure
Testing and adjusting oil pressure in pump LS control circuit
Testing solenoid valve output pressure
Testing PPC valve output pressure
Adjusting play of work equipment and swing PPC valves
Checking travel deviation
Checking parts which cause hydraulic drift of work equipment
Release of residual pressure from hydraulic circuit
Testing oil leakage
Bleeding air from each part
Inspection procedures for diode
Adjusting mirrors
Special functions of machine monitor
Handling voltage circuit of engine controller
Procedure for turning on KOMTRAX terminal
KOMTRAX terminal lamp indications
Preparation work for troubleshooting of electrical system
Pm clinic service

Troubleshooting184 topics

Failure code table
Fuse locations
Points to remember when troubleshooting
Sequence of events in troubleshooting (Rev. 2007.12)
Checks before troubleshooting
Classification and troubleshooting steps
Information in troubleshooting table
Connection table for connector pin numbers
T- branch box and T- branch adapter table
Failure code [A000N1] Eng. Hi Out of Std
Failure code [AA10NX] Air cleaner Clogging
Failure code [AB00KE] Charge Voltage Low
Failure code [B@BAZG] Eng. Oil Press. Low
Failure code [B@BAZK] Eng. Oil Level Low
Failure code [B@BCNS] Eng. Water Overheat
Failure code [B@BCZK] Eng. Water Level Low
Failure code [B@HANS] Hydr Oil Overheat
Failure code [CA111] EMC Critical Internal Failure
Failure code [CA115] Eng Ne and Bkup Speed Sens Error
Failure code [CA122] Chg Air Press Sensor High Error
Failure code [CA123] Chg Air Press Sensor Low Error
Failure code [CA131] Throttle Sensor High Error
Failure code [CA132] Throttle Sensor Low Error
Failure code [CA144] Coolant Temp Sens High Error
Failure code [CA145] Coolant Temp Sens Low Error
Failure code [CA153] Chg Air Temp Sensor High Error
Failure code [CA154] Chg Air Temp Sensor Low Error
Failure code [CA155] Chg Air Temp High Speed Derate
Failure code [CA187] Sens Supply 2 Volt Low Error
Failure code [CA221] Ambient Press Sens High Error
Failure code [CA222] Ambient Press Sens Low Error
Failure code [CA227] Sens Supply 2 Volt High Error
Failure code [CA234] Eng. Overspeed
Failure code [CA238] Ne Speed Sens Supply Volt Error
Failure code [CA271] IMV/PCV1 Short Error
Failure code [CA272] IMV/PCV1 Open Error
Failure code [CA322] Inj #1 Open/Short Error
Failure code [CA323] Inj #5 Open/Short Error
Failure code [CA324] Inj #3 Open/Short Error
Failure code [CA325] Inj #6 Open/Short Error
Failure code [CA331] Inj #2 Open/Short Error
Failure code [CA332] Inj #4 Open/Short Error
Failure code [CA342] Calibration Code Incompatibility
Failure code [CA351] Injectors Drive Circuit Error
Failure code [CA352] Sens Supply 1 Volt Low Error
Failure code [CA386] Sens Supply 1 Volt High Error
Failure code [CA428] Water in Fuel Sensor High Error
Failure code [CA429] Water in Fuel Sensor Low Error
Failure code [CA435] Eng Oil Press Sw Error
Failure code [CA441] Engine Controller Battery Voltage Low Error
Failure code [CA442] Engine Controller Battery Voltage High Error
Failure code [CA449] Rail Press Very High Error
Failure code [CA451] Rail Press Sensor High Error
Failure code [CA452] Rail Press Sensor Low Error
Failure code [CA488] Chg Air Temp High Torque Derate
Failure code [CA553] Rail Press High Error
Failure code [CA559] Rail Press Low Error
Failure code [CA689] Eng Ne Speed Sensor Error
Failure code [CA731] Eng Bkup Speed Sens Phase Error
Failure code [CA757] All Continuous Data Lost Error
Failure code [CA778] Eng Bkup Speed Sensor Error
Failure code [CA1633] KOMNET Datalink Timeout Error
Failure code [CA2185] Throt Sens Sup Volt High Error
Failure code [CA2186] Throt Sens Sup Volt Low Error
Failure code [CA2249] Rail Press Very Low Error
Failure code [CA2311] IMV Solenoid Error
Failure code [CA2555] Grid Htr Relay Volt High Error
Failure code [CA2556] Grid Htr Relay Volt Low Error
Failure code [D110KB] Battery Relay Drive S/C
Failure code [D196KA] Service Return Relay Disc
Failure code [D196KB] Service Return Relay S/C
Failure code [DA22KK] Pump Solenoid Power Low Error
Failure code [DA25KP] Press. Sensor Power Abnormality
Failure code [DA2RMC] Pump Comm. Abnormality
Failure code [DA2SKQ] Model Selection Abnormality
Failure code [DAFRMC] Monitor Comm. Abnormality
Failure code [DGH2KB] Hydr Oil Sensor Short
Failure code [DHPAMA] F Pump Press Sensor Abnormality
Failure code [DHPBMA] R Pump Press Sensor Abnormality
Failure code [DHSAMA] Sw RH PPC Press Sen. Abnormality
Failure code [DHSBMA] Sw LH PPC Press Sen. Abnormality
Failure code [DW43KA] Travel Speed Sol. Disc
Failure code [DW43KB] Travel Speed Sol. S/C
Failure code [DW45KA] Swing Brake Sol. Disc
Failure code [DW45KB] Swing Brake Sol. S/C
Failure code [DW91KA] Travel Junction Sol. Disc
Failure code [DW91KB] Travel Junction Sol. S/C
Failure code [DWJ0KA] Merge-divider Sol. Disc
Failure code [DWJ0KB] Merge-divider Sol. S/C
Failure code [DWK0KA] 2-stage Relief Sol. Disc
Failure code [DWK0KB] 2-stage Relief Sol. S/C
Failure code [DXA0KA] PC-EPC Sol. Disc
Failure code [DXA0KB] PC-EPC Sol. S/C
Failure code [DXE0KA] LS-EPC Sol. Disc
Failure code [DXE0KB] LS-EPC Sol. S/C
Failure code [DXE4KA] Service Current EPC Disc
Failure code [DXE4KB] Service Current EPC S/C
Failure code [DY20KA] Wiper Working Abnormality
Failure code [DY20MA] Wiper Parking Abnormality
Failure code [DY2CKB] Washer Drive S/C
Failure code [DY2DKB] Wiper Drive (For) S/C
Failure code [DY2EKB] Wiper Drive (Rev) S/C
Before carrying out troubleshooting of electrical system
Information contained in troubleshooting table
E-1 Engine does not start
E-2 Auto-decelerator does not operate
E-3 Automatic warming-up system does not operate
E-4 Preheater does not operate
E-5 All work equipment, swing, and travel mechanism do not move
E-6 Power maximizing function does not operate
E-7 Machine monitor does not display at all
E-8 Machine monitor does not display some items
E-9 Contents of display by machine monitor are different from applicable machine
E-10 Fuel level monitor was lighted in red while engine running
E-11 Engine coolant temperature gauge does not indicate normally
E-12 Hydraulic oil temperature gauge does not indicate normally
E-13 Fuel level gauge does not indicate normally
E-14 Swing lock monitor does not indicate normally
E-15 When monitor switch is operated, monitor displays nothing
E-16 Windshield wiper and window washer do not operate
E-17 Monitoring function fails to display “boom raise” normally
E-18 Monitoring function fails to display “boom lower” normally
E-19 Monitoring function fails to display “arm IN” normally
E-20 Monitoring function fails to display “arm OUT” normally
E-21 Monitoring function fails to display “bucket CURL” normally
E-22 Monitoring function fails to display “bucket DUMP” normally
E-23 Monitoring function fails to display “swing left” normally
E-24 Monitoring function fails to display "swing right" normally
E-25 Monitoring function fails to display “travel” normally
E-26 Monitoring function fails to display “travel differential pressure” normally
E-27 Monitoring function fails to display “service” normally
E-28 KOMTRAX system does not operate normally
E-29 Air conditioner does not operate
E-30 Travel alarm does not sound or does not stop sounding
E-31 Horn does not sound
E-32 Attachment circuit does not change
System chart for hydraulic and mechanical system
H-1 All work equipment lack power, or travel and swing speeds are slow
H-2 Engine speed sharply drops or engine stalls
H-3 No work equipment, swing or travel move
H-4 Abnormal noise is heard from around hydraulic pump
H-5 Auto-decelerator does not work
H-6 Fine control mode does not function or responds slow
H-7 Boom moves slowly or lacks power
H-8 Arm moves slowly or lacks power
H-9 Bucket moves slowly or lacks power
H-10 Work equipment does not move in its single operation
H-11 Work equipment has a bit too fast hydraulic drift
H-12 Work equipment has big time lag
H-13 Other work equipment moves when relieving single circuit
H-14 Power max. switch does not operate
H-15 In compound operation, work equipment with larger load moves slowly
H-16 In swing + boom RAISE operation, boom moves slowly
H-17 In swing + travel operation, travel speed drops sharply
H-18 Machine swerves in travel
H-19 Machine travels slowly
H-20 Machine cannot be easily steered or lacks power
H-21 Travel speed does not shift, or it is too slow or fast
H-22 Track shoe does not turn (on one side only)
H-23 Machine does not swing
H-24 Swing acceleration is poor, or swing speed is slow
H-25 Excessive overrun when stopping swing
H-26 There is big shock when stopping swing
H-27 Large sound is made when upper structure stops swinging
H-28 Swing hydraulic drift is too big
H-29 Attachment circuit does not change
H-30 Flow rate in attachment circuit cannot be adjusted
Method of using troubleshooting chart
S-1 Starting performance is poor
S-2 Engine does not start
S-3 Engine does not pick up smoothly
S-4 Engine stops during operations
S-5 Engine does not rotate smoothly
S-6 Engine lacks output (or lacks power)
S-7 Exhaust smoke is black (incomplete combustion)
S-8 Oil consumption is excessive (or exhaust smoke is blue)
S-9 Oil becomes contaminated quickly
S-10 Fuel consumption is excessive
S-11 Oil is in coolant (or coolant spurts back or coolant level goes down)
S-12 Oil pressure drops
S-13 Oil level rises (Entry of coolant or fuel)
S-14 Coolant temperature becomes too high (overheating)
S-15 Abnormal noise is made
S-16 Vibration is excessive

Disassembly and assembly52 topics

How to read this manual
Coating materials list
Special tools list
Sketches of special tools
Removal and installation of fuel supply pump assembly
Removal and installation of fuel injector assembly
Removal and installation of engine front seal
Removal and installation of engine rear seal
Removal and installation of cylinder head assembly
Removal and installation of radiator assembly
Removal and installation of hydraulic oil cooler assembly
Removal and installation of aftercooler assembly
Removal and installation of fuel cooler assembly
Removal and installation of engine assembly
Removal and installation of fuel tank assembly
Removal and installation of travel motor and final drive assembly
Disassembly and assembly of final drive assembly
Removal and installation of swing motor assembly
Removal and installation of swing motor and swing machinery assembly
Disassembly and assembly of swing machinery assembly
Removal and installation of swing circle assembly
Disassembly and assembly of carrier roller assembly
Disassembly and assembly of track roller assembly
Disassembly and assembly of idler assembly
Disassembly and assembly of recoil spring assembly
Removal and installation of sprocket
Expansion and installation of track shoe assembly
Removal and installation of revolving frame assembly
Removal and installation of counterweight assembly
Removal and installation of center weight
Removal and installation of center swivel joint assembly
Disassembly and assembly of center swivel joint assembly
Removal and installation of hydraulic tank assembly
Removal and installation of control valve assembly
Disassembly and assembly of control valve assembly
Removal and installation of hydraulic pump assembly
Removal and installation of oil seal in hydraulic pump input shaft
Disassembly and assembly of work equipment PPC valve assembly
Disassembly and assembly of travel PPC valve assembly
Disassembly and assembly of hydraulic cylinder assembly
Removal and installation of work equipment assembly
Removal and installation of operator’s cab assembly
Removal and installation of operator’s cab glass (stuck glass)
Removal and installation of front window assembly
Removal and installation of floor frame assembly
Removal and installation of air conditioner compressor assembly
Removal and installation of air conditioner condenser assembly
Removal and installation of air conditioner unit assembly
Removal and installation of machine monitor assembly
Removal and installation of pump controller assembly
Removal and installation of engine controller assembly
Removal and installation of KOMTRAX communication modem assembly

Diagrams and drawings9 topics

Hydraulic circuit diagram
Electrical circuit diagram (1/7)
Electrical circuit diagram (2/7)
Electrical circuit diagram (3/7)
Electrical circuit diagram (4/7)
Electrical circuit diagram (5/7)
Electrical circuit diagram (6/7)
Electrical circuit diagram (7/7)
Connector arrangement diagram

Inside this manual

Real pages from this service manual (961 pages). Open the sample pages (PDF, 791 KB)

Sample pages from the Komatsu PC308USLC-3E0 with SAA6D107E-1 Engine Hydraulic Excavator Service Manual: Specifications, Diagram, Troubleshooting, Foldout diagram

Specifications, page 209: PPC accumulator
Diagram, page 671: Circuit diagram related to engine start and battery charging
Troubleshooting, page 713: 1 Defective power supply
Foldout diagram, page 955: Electrical circuit diagram (2/7)

This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 961 pages

Quantity one is the manual described above.

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Other editions and similar models

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