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Komatsu PC170LC-11 Shop Manual

Hydraulic excavator
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SEN06607-03
HYDRAULIC
PC170LC
-11
EXCAVATOR
35001
SERIAL NUMBERS
and up

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Summary of Contents for Komatsu PC170LC-11

  • Page 1 SEN06607-03 HYDRAULIC PC170LC EXCAVATOR 35001 SERIAL NUMBERS and up...
  • Page 2 Find manuals at https://best-manuals.com...
  • Page 3 00 INDEX AND FOREWORD PC170LC-11 00-1 Find manuals at https://best-manuals.com...
  • Page 4 BATTERY DISCONNECT SWITCH ....................10-47 ENGINE SYSTEM ..........................10-48 LAYOUT DRAWING OF ENGINE SYSTEM ................... 10-48 ENGINE CONTROL SYSTEM ....................... 10-50 AUTO-DECELERATION SYSTEM ....................10-53 ENGINE AUTOMATIC WARM-UP SYSTEM .................. 10-55 OVERHEAT PREVENTION SYSTEM .................... 10-57 00-2 PC170LC-11 Find manuals at https://best-manuals.com...
  • Page 5 CONTENTS ............................20-2 ABBREVIATION LIST ..........................20-3 STANDARD VALUE TABLE FOR ENGINE ..................... 20-8 STANDARD VALUE TABLE FOR ENGINE: PC170LC-11 ..............20-8 STANDARD VALUE TABLE FOR MACHINE..................20-12 STANDARD VALUE TABLE FOR MACHINE: PC170LC-11 ............20-12 MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE ......20-25 30 TESTING AND ADJUSTING ........................
  • Page 6 HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER ............30-239 HANDLE BATTERY DISCONNECT SWITCH ................30-240 TEST DIODES ..........................30-241 Pm CLINIC............................30-242 Pm CLINIC SERVICE ........................30-242 40 TROUBLESHOOTING ..........................40-1 CONTENTS ............................40-2 ABBREVIATION LIST ........................... 40-12 RELATED INFORMATION ON TROUBLESHOOTING ................. 40-17 00-4 PC170LC-11 Find manuals at https://best-manuals.com...
  • Page 7 FAILURE CODE [AS00R6]......................40-195 FAILURE CODE [AS00ZK]......................40-196 FAILURE CODE [AS10KM]......................40-197 FAILURE CODE [AS10NR] ......................40-198 FAILURE CODE [AS10NT] ......................40-200 FAILURE CODE [B@BAZG] ......................40-201 FAILURE CODE [B@BAZK]......................40-202 FAILURE CODE [B@BCNS] ......................40-204 FAILURE CODE [B@BCZK] ......................40-205 FAILURE CODE [B@HANS] ......................40-207 PC170LC-11 00-5 Find manuals at https://best-manuals.com...
  • Page 8 FAILURE CODE [CA692] ......................40-297 FAILURE CODE [CA697] ......................40-299 FAILURE CODE [CA698] ......................40-300 FAILURE CODE [CA731] ......................40-301 FAILURE CODE [CA778] ......................40-303 FAILURE CODE [CA1117] ......................40-308 FAILURE CODE [CA1664] ......................40-310 FAILURE CODE [CA1669] ......................40-312 FAILURE CODE [CA1673] ......................40-313 00-6 PC170LC-11 Find manuals at https://best-manuals.com...
  • Page 9 FAILURE CODE [CA2976] ......................40-393 FAILURE CODE [CA3142] ......................40-395 FAILURE CODE [CA3143] ......................40-396 FAILURE CODE [CA3144] ......................40-397 FAILURE CODE [CA3146] ......................40-399 FAILURE CODE [CA3147] ......................40-400 FAILURE CODE [CA3148] ......................40-401 FAILURE CODE [CA3151] ......................40-403 FAILURE CODE [CA3165] ......................40-408 PC170LC-11 00-7 Find manuals at https://best-manuals.com...
  • Page 10 FAILURE CODE [CA4157] ......................40-522 FAILURE CODE [CA4159] ......................40-524 FAILURE CODE [CA4164] ......................40-525 FAILURE CODE [CA4165] ......................40-527 FAILURE CODE [CA4166] ......................40-529 FAILURE CODE [CA4168] ......................40-530 FAILURE CODE [CA4169] ......................40-533 FAILURE CODE [CA4171] ......................40-535 FAILURE CODE [CA4249] ......................40-538 00-8 PC170LC-11 Find manuals at https://best-manuals.com...
  • Page 11 FAILURE CODE [DAF9KQ]......................40-646 FAILURE CODE [DAFGMC] ......................40-647 FAILURE CODE [DAFLKA] ......................40-648 FAILURE CODE [DAFLKB] ......................40-650 FAILURE CODE [DAFQKR] ......................40-652 FAILURE CODE [DAZ9KQ]......................40-656 FAILURE CODE [DAZQKR] ......................40-657 FAILURE CODE [DB2QKR] ......................40-661 FAILURE CODE [DB2RKR] ......................40-666 FAILURE CODE [DBP0KM] ......................40-671 PC170LC-11 00-9...
  • Page 12 FAILURE CODE [DWJ0KY] ......................40-781 FAILURE CODE [DWK0KA]......................40-783 FAILURE CODE [DWK0KB]......................40-785 FAILURE CODE [DWK0KY]......................40-787 FAILURE CODE [DWK2KA]......................40-789 FAILURE CODE [DWK2KB]......................40-791 FAILURE CODE [DWK2KY]......................40-793 FAILURE CODE [DWN5KA]......................40-795 FAILURE CODE [DWN5KB]......................40-797 FAILURE CODE [DWN5KY]......................40-799 FAILURE CODE [DWNSKA] ......................40-801 FAILURE CODE [DWNSKB] ......................40-803 00-10 PC170LC-11...
  • Page 13 E-21 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM ..........................40-883 E-22 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEM- PERATURE ..........................40-885 E-23 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED ......40-886 PC170LC-11 00-11...
  • Page 14 H-4 ABNORMAL SOUND FROM HYDRAULIC PUMP AREA............40-954 H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS ............40-955 H-6 SPEED OR POWER OF BOOM IS LOW ................40-957 H-7 LOW ARM SPEED OR POWER ....................40-960 H-8 LOW BUCKET SPEED OR POWER ..................40-964 00-12 PC170LC-11...
  • Page 15 S-13 HIGH COOLANT PRESSURE OR OIL CONTAMINATION..........40-1019 S-14 RAPID OIL PRESSURE LOSS...................40-1020 S-15 FUEL CONTAMINATION OF ENGINE OIL .................40-1022 S-16 OIL IS CONTAMINATED BY COOLANT................40-1023 S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) ........40-1024 S-18 ABNORMAL SOUND FROM MACHINE ................40-1025 PC170LC-11 00-13...
  • Page 16 DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY............50-300 REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY.....50-312 DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY .........50-317 REMOVE AND INSTALL SWING CIRCLE ASSEMBLY ..............50-328 UNDERCARRIAGE AND FRAME......................50-330 SEPARATION AND CONNECTION OF TRACK ASSEMBLY............50-330 00-14 PC170LC-11...
  • Page 17 MAINTENANCE STANDARD OF IDLER ..................60-21 MAINTENANCE STANDARD OF TRACK ROLLER............... 60-23 MAINTENANCE STANDARD OF CARRIER ROLLER ..............60-24 MAINTENANCE STANDARD OF TRACK SHOE ................60-25 MAINTENANCE STANDARD OF TRIPLE SHOE................60-28 HYDRAULIC SYSTEM.......................... 60-29 MAINTENANCE STANDARD OF HYDRAULIC TANK ..............60-29 PC170LC-11 00-15...
  • Page 18 METHOD FOR TESTING SUNLIGHT SENSOR................80-48 TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT..............80-49 METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT......80-49 TEST RELAYS............................80-50 METHOD FOR TESTING RELAYS ....................80-50 AIR CONDITIONER TROUBLESHOOTING CHART 1 ................. 80-51 00-16 PC170LC-11...
  • Page 19 ELECTRICAL CIRCUIT DIAGRAM (1/8)..................90-31 ELECTRICAL CIRCUIT DIAGRAM (2/8)..................90-33 ELECTRICAL CIRCUIT DIAGRAM (3/8)..................90-35 ELECTRICAL CIRCUIT DIAGRAM (4/8)..................90-37 ELECTRICAL CIRCUIT DIAGRAM (5/8)..................90-39 ELECTRICAL CIRCUIT DIAGRAM (6/8)..................90-41 ELECTRICAL CIRCUIT DIAGRAM (7/8)..................90-43 ELECTRICAL CIRCUIT DIAGRAM (8/8)..................90-45 INDEX..................................1 PC170LC-11 00-17...

  • Page 20: Abbreviation List

    (provides better Sensing System combined operation than OLSS). Engine controller electronically controls supply pump, common rail, and injector. This function Common Rail Injection Engine maintains optimum fuel injection amount and fuel injection timing. 00-18 PC170LC-11...
  • Page 21 Technology tronic control and communication. This valve is installed at inlet port of pump, and it adjusts fuel intake amount in order to control fuel Inlet Metering Actuator Engine discharged volume of supply pump. (Same as IMV) PC170LC-11 00-19...
  • Page 22 Inlet Metering Valve Engine discharged volume of supply pump. (Same as IMA) This mechanism separates oil in blowby gas and Komatsu Closed Crank- KCCV Engine returns it to the intake side to combust it there. It case Ventilation primarily consists of filters.
  • Page 23 Variable Geometry Tur- The turbocharger on which the cross-section Engine bocharger area of the exhaust passage is made variable. *1: Code for applicable machine model D: Bulldozer HD: Dump truck HM: Articulate dump truck PC: Hydraulic excavator PC170LC-11 00-21...
  • Page 24 Clockwise Counter Clockwise Electronic Control Unit Electronic Control Module Engine EXGND External Ground F.G. Frame Ground Ground Inlet Metering Actuator No Connection Steering STRG Signal Solenoid Standard Option PRESS Pressure SPEC Specification Switch TEMP Temperature Torque Converter Transmission 00-22 PC170LC-11...

  • Page 25: Troubleshooting

    REMARK • Some of the attachments and options described in this shop manual may not be available in some areas. If they are required, consult your Komatsu distributor. • The materials and specifications are subject to change without notice. • Shop Manuals are available for "machine part" and "engine part". For the engine unit, see the shop manual for the machine which has the same engine model.

  • Page 26: Signal Word

    REMARK Remark This signal word contains useful information to know. Unit International System of Units (SI) is used in this manual. For reference, units that have been used in the past are given in { }. 00-24 PC170LC-11...

  • Page 27: Safety Matters

    Appropriate servicing and repair are extremely important to ensure safe operation of the machine. The shop manuals describe the effective and safe servicing and repair methods recommended by Komatsu. Some of the servicing and repair methods require the use of special tools designed by Komatsu for special purpos- •...

  • Page 28: Precautions During Work

    Then, disconnect the quick release battery terminal (-). REMARK For the machine without the system operating lamp, turn the starting switch to OFF position, wait for two minutes or more before starting the work. Disconnect the quick release battery terminal (-). 00-26 PC170LC-11...
  • Page 29 • Do not use gasoline to wash parts as a general rule. Do not use gasoline to clean electrical parts, in partic- ular. PC170LC-11 00-27...
  • Page 30 • Hanging angle must be 60 ° or smaller as a rule. • When slinging a heavy load (25 kg or heavier), the hanging angle of the rope must be narrower than that of the hook. 00-28 PC170LC-11...
  • Page 31 Precautions for using mobile crane REMARK Read Operation and Maintenance Manual of the crane carefully in advance and operate the crane safely. Precautions for using overhead traveling crane When raising a heavy component (heavier than 25 kg), use a hoist or crane. PC170LC-11 00-29...
  • Page 32 Wire rope (JIS G3525 6x37-A type) (Standard Z twist wire ropes without galvanizing) Nominal diameter of rope ( mm) Allowable load ( kN { t} ) 8.8 {0.9} 12.7 {1.3} 17.3 {1.7} 22.6 {2.3} 28.6 {2.9} 35.3 {3.6} 55.3 {5.6} 79.6 {8.1} 141.6 {14.4} 221.6 {22.6} 318.3 {32.4} 00-30 PC170LC-11...
  • Page 33 When tightening nuts of the air conditioner hoses and tubes, be sure to use 2 wrenches. Use one wrench to fix and tighten the nut with the other wrench to the specified torque (Use a torque wrench for tightening). PC170LC-11 00-31...
  • Page 34 • The figure shows an example of fitting of O-ring. • An O-ring is fitted to every joint of the air conditioner piping. For tightening torques, see THE OTHER INFORMATION, "Pre- cautions for disconnection and connection of air conditioner piping". 00-32 PC170LC-11...
  • Page 35 Fire around the machine due to highly heated exhaust gas Some models and specifications may be equipped with KDPF (Komatsu Diesel Particulate Filter). KDPF is a system for purifying exhaust gas by removing soot in exhaust gas. In the process of purification (re- generation), the temperature of discharged exhaust gas may be higher than that of conventional models.
  • Page 36 • When checking fuel, oil, battery electrolyte, or coolant, always use lighting equipment with anti-explosion specifications. • When taking the electrical power for the lighting equipment from the machine, follow the instructions in the Operation and Maintenance Manual. 00-34 PC170LC-11...
  • Page 37 Be sure to wear rubber gloves when handling the materials left after the fire. The material of the gloves, which is recommended is polychloroprene (Neoprene) or polyvinyl chloride (in the lower temperature environment). When wearing cotton work gloves, wear rubber gloves under them. PC170LC-11 00-35...
  • Page 38 Avoid exposure to burning rubber or plastics which produce a toxic gas that is harmful to people. • When disposing of parts made of rubber or plastics (hoses, cables, and harnesses), always comply with the local regulations for disposing industrial waste products. 00-36 PC170LC-11...
  • Page 39 This machine is equipped with the following two exhaust gas treatment systems: • Komatsu Diesel Particulate Filter (hereafter KDPF): A device which captures soot in the exhaust gas to pu- rify exhaust gas. This process performs the combustion of soot referred to as "regeneration".
  • Page 40 If it gets on your skin, thoroughly wash it off with water. Never relocate or modify the exhaust gas after-treatment device. The harmful gas may be exhausted and it can cause serious damage to the environment as well as violation of laws. 00-38 PC170LC-11...
  • Page 41 If AdBlue/DEF or the machine installed with AdBlue/DEF cannot be stored in the indoors where the temper- ature is at –11 °C or higher (if they are left outdoors in cold weather), AdBlue/DEF in the tank may freeze. Drain AdBlue/DEF to prevent it from freezing. PC170LC-11 00-39...
  • Page 42 Do not discard the oil inconsiderately. Ask the customer for disposal or bring it back to dispose it ap- propriately. REMARK Cover the places tightly with caps, tapes, or plastic bags if it is hard to provide the plugs. 00-40 PC170LC-11...
  • Page 43 Cleaning operation Perform oil cleaning to remove the contaminants and sludges in the hydraulic circuit after repair of the hydraulic device (pump, or control valve) or during operation of the machine. PC170LC-11 00-41...
  • Page 44 PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 00 INDEX AND FOREWORD REMARK The oil cleaning equipment can remove the ultra fine (approxi- mately 3 μm) particles that the filter built in the hydraulic equip- ment cannot remove. So, it is very effective device. 00-42 PC170LC-11...
  • Page 45 Introduction of parts for the disassembly of the face seal type hoses and tubes Hose side Pipe joint side Nominal No. O-ring (3) Plug (1) Nut (2) 07376-70210 02789-00210 02896-11008 07376-70315 02789-00315 02896-11009 07376-70422 02789-00422 02896-11012 07376-70522 02789-00522 02896-11015 07376-70628 02789-00628 02896-11018 PC170LC-11 00-43...
  • Page 46 Split flange Sleeve head Flange (1) 38.1 17.5 07379-00400 07371-30400 07378-10400 07000-12021 01010-80825 01643-50823 42.9 19.8 07379-00500 07371-30500 07378-10500 07000-13022 01010-80830 01643-50823 47.6 22.2 07379-00640 07371-30640 07378-10600 07000-13025 07372-51035 01643-51032 52.4 26.2 07379-01044 07371-31049 07378-11000 07000-13032 07372-51035 01643-51032 00-44 PC170LC-11...
  • Page 47 Introduction of parts for the removal of O-ring boss type joint Nominal No. Plug (1) O-ring (2) 07040-10807 07002-10823 07040-11007 07002-11023 07040-11209 07002-11223 07040-11409 07002-11423 07040-11612 07002-11623 07040-11812 07002-11823 07040-12012 07002-12034 07040-12412 07002-12434 07041-13012 07002-13034 07040-13316 07002-13334 07041-13612 07002-13634 07040-14220 07002-14234 07040-15223 07002-15234 PC170LC-11 00-45...
  • Page 48 When installing split flanges, tighten the bolts uniformly and alternately to prevent uneven tightening. • As a rule, apply liquid gasket (LG-5) or liquid sealant (LS-2) to the threaded portion of each taper male screws which receive pressure. 00-46 PC170LC-11...
  • Page 49 When the coolant is drained, be sure that the drain valve is securely tightened, then refill the coolant reser- voir with the coolant Komatsu recommends to the specified level. Start the engine to circulate the coolant in the piping, and add the coolant to the specified level again.
  • Page 50 • Parts which connects the above, or etc. Check that there is no unusual noise by comparing to it of the time when the machine was new. If there is any unusual noise, repair KDPF or muffler, referring to "TROUBLESHOOTING" and "DISASSEMBLY AND ASSEMBLY". 00-48 PC170LC-11...
  • Page 51 The pins of the male and female connectors are attached to wires by crimping or soldering. If excessive force is applied to the wire, the jointed portion (1) may become loose, and it may result in a defective connection or breakage. PC170LC-11 00-49...
  • Page 52 • If there is oil or water in the compressed air, it causes the contacts to become dirtier. Use clean air which any oil and water has been removed from. 00-50 PC170LC-11...
  • Page 53 If a filter oth- er than a Komatsu genuine filter is used, fuel system contamination and damage may occur. Therefore Komatsu recommends using only Komatsu fuel filters and install them following the procedures in the shop manual.
  • Page 54 Plug the removed pipes and the openings of the removed components with the caps, tapes, plastic bags, etc. to prevent foreign material from entering. NOTICE Do not expose the openings or stuff it, otherwise foreign material may enter it. 00-52 PC170LC-11...
  • Page 55 To propose the periodic inspection (Pm clinic, etc.) according to the service meter reading. How to operate KOMTRAX For the operating method of each screen of KOMTRAX, ask KOMTRAX key person in your Komatsu distributor. PC170LC-11 00-53...
  • Page 56 Provide an oil container to receive a quantity of hydraulic oil which may flow out. Connection Hold hose adapter (1) or hose (5), and insert it in mating adapter (3), aligning the axis. REMARK Do not hold rubber cap portion (4). 00-54 PC170LC-11...
  • Page 57 While keeping the condition of step 1, turn lever (3) to the right (clockwise). While keeping the conditions of steps 1 and 2, pull out whole body (2) to disconnect it. REMARK Provide an container to receive a quantity of hydraulic oil which may flow out. PC170LC-11 00-55...
  • Page 58 While keeping the conditions of steps 1 and 2, pull out whole body (2) to disconnect it. REMARK Provide an container to receive a quantity of hydraulic oil which may flow out. 00-56 PC170LC-11...
  • Page 59 00 INDEX AND FOREWORD DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER Connection Hold the tightening adapter part, and push body (2) straight un- til sliding prevention ring (1) contacts contact surface (a) of the hexagonal part at the male end. PC170LC-11 00-57...

  • Page 60: Connecting Connectors

    Connecting connectors Check the connector visually. • Check that there is no dust, dirt, oil, or water stuck to the connector pins (joint portion). 00-58 PC170LC-11...
  • Page 61 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

This manual is also suitable for:

35001