PC340LC and 340NLC-7K
KOMATSU PC340LC, 340NLC-7K - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING DIAGRAMS
KOMATSU PC340LC, 340NLC-7K - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING DIAGRAMS - English Workshop Manual and Wiring Diagrams, to Komatsu PC340LC, 340NLC-7K. CONTENTS: PC340LC-7 PC340NLC-7 40001 AND UP 40001 AND UP PC340 07 SECTION01 - specification dimension drawings - dimensions - working ranges - dimensions - working ranges - specifications - pc340lc-7, pc340nlc-7 - weight table - pc340lc-7, pc340nlc-7 - fuel, coolant, and lubricants PC340 7 SECTION10 - engine related parts - radiator • oil cooler • aftercooler - power train - final drive - swing machinery - swing circle - track frame • recoil spring - idler - carrier roller - track roller - track shoe - triple grouser shoe - hydraulic equipment layout drawing - hydraulic tank - hydraulic pump - hpv125 + 125 - ls valve - pc valve - ls(pc)-epc valve - variable volume valve - control valve - main relief valve - variable pressure compensation valve - clss - outline of clss - self pressure reducing valve - swing motor - reverse prevention valve - center swivel joint - travel motor - travel junction valve - travel ppc shuttle valve - valve control - work equipment • swing ppc valve - travel ppc valve - service ppc valve - solenoid valve - ppc accumulator - return oil filter - for breaker - boom hydraulic drift prevention valve - quick return valve - lift check valve - attachment circuit selector valve - hydraulic cylinder - boom cylinder - arm cylinder - bucket cylinder - work equipment - 2. dimension of bucket - air conditioner - air conditioner piping - engine control - governor motor - engine throttle and pump controller - electronic control system - total system diagram - multi monitor system - sensor 20-001 - 1. the standard value for a new machine given in the table is the value used when shipping the ma... - 2. the service limit value given in the tables is the estimated value for the shipped machine bas... - 3. these standard values are not the standards used in dealing with claims. - standard value table for engine related parts - standard value table for chassis related parts 20 101 - inspection and adjustment of engine rpm - measurement of air boost pressure - measurement of exhaust gas color - adjustment of valve clearance - measurement of compression pressure - measurement of blow-by pressure - inspection and adjustment of fuel injection timing - measurement of engine oil pressure - adjustment of engine speed sensor - inspection and adjustment of air compressor belt tension - emergent escape from failure in engine control system - measurement of clearance in swing circle bearings - inspection and adjustment of track shoe tension - inspection of wear on sprocket - inspection and adjustment of hydraulic oil pressure in hydraulic circuit for work equipment, swin... - inspection and adjustment of control circuit oil pressure - inspection and adjustment of pump pc control circuit oil pressure - inspection and adjustment of pump ls control circuit oil pressure - measurement of solenoid valve output pressure - measurement of ppc valve output pressure - adjustment of work equipment and swing ppc valve - inspection of locations of hydraulic drift of work equipment - release of remaining pressure in hydraulic circuit - measurement of oil leakage amount - air bleeding of various parts - inspection procedures for diode - special function of multi-monitor panel - display method and special functions of 7-segment monitor panel - preparations for troubleshooting electrical system 20 201 - points to remember when troubleshooting - sequence of events in troubleshooting - points to remember when carrying out maintenance - checks before troubleshooting - classification and steps for troubleshooting - connector location chart and electrical circuit diagram by system - connection table for connector pin numbers 20 301 - information contained in troubleshooting table 20 501 - information contained in troubleshooting table 30 - how to read this manual - removal and installation of assemblies - disassembly and assembly of assemblies - precautions when performing operation - removal and installation of starting motor assembly - removal - installation - removal and installation of fuel injection pump 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 engine and hydraulic pump assemblies - removal and installation of final drive assembly - disassembly and assembly of final drive assembly - sketches of special tools - removal and installation of swing motor, swing machinery assembly - disassembly and assembly of swing motor, swing machinery assembly - sketches of special tools - 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 track shoe assembly - expansion of track shoe - removal and installation of swing circle assembly - removal and installation of revolving frame assembly - 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 air conditioner unit assembly - removal and installation of counterweight assembly - removal and installation of operator’s cab assembly - removal and installation of monitor assembly - removal and installation of governor pump controller assembly 20 601 - troubleshooting of hydraulic and mechanical system (h-mode) - system chart for hydraulic and mechanical systems - information contained in troubleshooting table - 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, travel or swing 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 - 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 one-touch 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, 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 there is big abnormal noise caused when stopping swing - h-28 swing natural drift is too big PC340 A2 - hydraulic circuit diagram - electrical circuit diagram (1/4) - for multi monitor - electrical circuit diagram (2/4) - for multi monitor - electrical circuit diagram (3/4) - for multi monitor - electrical circuit diagram (4/4) - for multi monitor
Komatsu PC340LC and 340NLC-7K - Repair, Workshop Manual and Electrical Wiring Diagrams
inicio - index
coche - car
moto
4x4
quad - buggy
camión - truck
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