Komatsu 114E-3 Series Engine Service Manual
491 pages · Publication SEN00169-18
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- Models
- 114E-3 Series
- Manual type
- Service Manual
- Pages
- 491
- Publication
- SEN00169-18
- Condition
- Brand new
What's inside
From the manual's own table of contents: 8 sections, 166 entries. See sample pages (PDF, 554 KB)
Index and foreword11 topics
- 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
Specification5 topics
- General
- Specifications
- General view
- Dimensions table
- Engine performance curves
Structure, function and maintenance standard27 topics
- Intake, exhaust system
- Intake system
- Exhaust system
- Turbocharger
- Lubricating oil system
- Cooling system
- Fuel system (common rail)
- Maintenance standard
- Cylinder head
- Cylinder block
- Cylinder liner
- Crankshaft
- Piston, piston ring and piston pin
- Connecting rod
- Vibration damper
- Timing gear
- Camshaft
- Valve and valve guide
- Rocker arm, shaft and tappet
- Flywheel and flywheel housing
- Oil pump
- Water pump drive
- Water pump
- Thermostat
- Fan drive
- Alternator
- Starting motor
Standard value table2 topics
- Standard value table for testing, adjusting and troubleshooting
- Run-in standard and performance test criteria
Testing and adjusting17 topics
- Testing and adjusting tools list
- Sketches of special tools
- Testing air boost pressure
- Adjusting valve clearance
- Testing compression pressure
- Testing blowby pressure
- Testing oil pressure
- Handling fuel system parts
- Releasing residual pressure in fuel system
- Testing fuel pressure
- Reduced cylinder mode operation
- No-injection cranking
- Testing leakage from pressure limiter and return rate from injector
- Bleeding air from fuel circuit
- Testing fuel system for leakage
- Handling controller high-voltage circuit
- Replacing alternator belt
Troubleshooting72 topics
- Points on troubleshooting
- Error and failure code table
- Information in troubleshooting table
- T-branch box and T-branch adapter table
- Connection table for connector pin numbers
- E-1 Code [111/CA111] Engine Controller Internal Failure
- E-2 Code [115/CA115] Eng. Ne and Bkup Speed Sensor Error
- E-3 Code [122/CA122] Charge Air Press Sensor High Error
- E-4 Code [123/CA123] Charge Air Press Sensor Low Error
- E-5 Code [131/CA131] Throttle Sensor High Error
- E-6 Code [132/CA132] Throttle Sensor Low Error
- E-7 Code [144/CA144] Coolant Temp. Sensor High Error
- E-8 Code [145/CA145] Coolant Temp. Sensor Low Error
- E-9 Code [153/CA153] Charge Air Temp. Sensor High Error
- E-10 Code [154/CA154] Charge Air Temp. Sensor Low Error
- E-11 Code [155/CA155] Charge Air Press. High Speed Derate
- E-13 Code [221/CA221] Ambient Air Press. Sensor High Error
- E-14 Code [222/CA222] Ambient Air Press. Sensor Low Error
- E-15 Code [227/CA227] Abnormally high level in sensor power supply 2 circuit
- E-17 Code [238/CA238] Ne Speed Sensor Sup. Volt. Error
- E-20 Code [281/CA281] High pressure pump error
- E-21 Code [322/CA322] Injector No. 1 System Open/Short Error
- E-22 Code [323/CA323] Injector No. 5 System Open/Short Error
- E-23 Code [324/CA324] Injector No. 3 System Open/Short Error
- E-24 Code [325/CA325] Injector No. 6 System Open/Short Error
- E-25 Code [331/CA331] Injector No. 2 System Open/Short Error
- E-26 Code [332/CA332] Injector No. 4 System Open/Short Error
- E-27 Code [342/CA342] Engine Controller Data Matching Error
- E-28 Code [351/CA351] INJ. Drive Circuit Error
- E-30 Code [386/CA386] Sensor Sup. 1 Volt. High Error
- E-31 Code [428/CA428] Water Sensor High Level Error
- E-32 Code [429/CA429] Water Sensor Low Level Error
- E-33 Code [431/CA431] Idle Validation Switch Error
- E-34 Code [432/CA432] Idle Validation Process Error
- E-35 Code [435/CA435] Eng. Oil Switch Error
- E-36 Code [441/CA441] Supply Voltage Low Error
- E-37 Code [442/CA442] Supply Voltage High Error
- E-39 Code [451/CA451] Rail Press. Sensor High Error
- E-40 Code [452/CA452] Rail Press. Sensor Low Error
- E-41 Code [488/CA488] Charge Air Temp. High Torque Derate
- E-43 Code [559/CA559] Rail Press Low Error
- E-44 Code [689/CA689] Eng. Ne Speed Sensor Error
- E-45 Code [731/CA731] Eng. Bkup Speed Sensor Phase Error
- E-46 Code [757/CA757] All Engine Controller Data Lost Error
- E-47 Code [778/CA778] Eng. Bkup Speed Sensor Error
- E-49 Code [2185/CA2185] Throttle Sens. Sup. Volt. High Error
- E-50 Code [2186/CA2186] Throttle Sens. Sup. Volt. Low Error
- E-51 Code [2249/CA2249] Rail Press very Low Error
- E-52 Code [2265/CA2265] Abnormally high level in electric lift pump
- E-53 Code [2266/CA2266] Abnormally low level in electric lift pump
- E-55 Code [2555/CA2555] Intake Air Heater Relay Supply Voltage Low Error
- E-56 Code [2556/CA2556] Intake Air Heater Relay Supply Voltage High Error
- E-57 Code [---/B@BAZG] Eng. Oil Press. Low Speed Derate
- E-58 Code [---/B@BAZG] Eng. Oil Press Low Torque Derate
- E-59 Code [---/B@BCNS] Eng. Overheat
- Method of using troubleshooting charts
- 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 assembly7 topics
- How to read this manual
- Coating materials list
- Special tools list
- Disassembly and assembly
- General disassembly of engine
- General assembly of engine
- Disassembly and assembly of supply pump
Repair and Replacement of parts17 topics
- Special tool table
- Dimensions of cylinder heads
- Checking of valves
- Pressure test
- Vacuum test of valve seat insert
- Cleaning and checking of cylinder head bolts
- Replacement of camshaft bushings
- Cleaning and checking of cylinder liners before reuse
- Cleaning and checking of pistons before reuse
- Cleaning and checking of crankshafts before reuse
- Replacement of crankshaft gears
- Cleaning and checking of main bearings before reuse
- Cleaning and checking of main bearing metal caps and mounting bolts before reuse
- Cleaning and checking of connecting rod bearings before reuse
- Cleaning and checking of connecting rods before reuse
- Checking of connecting rods for bending and twisting
- Replacement of connecting rod bushings
Inside this manual
Real pages from this service manual (491 pages). Open the sample pages (PDF, 553 KB)
- Specifications, page 162: 30 Testing and adjusting
- Diagram, page 288: E-29 Code [352/CA352] Sensor Sup. 1 Volt. Low Error
- Troubleshooting, page 344: Method of using troubleshooting charts
This is a service manual
Here's how it compares to the other manual types.
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, 491 pages
Quantity one is the manual described above.
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60-day returns
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).