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Komatsu PC490LCi-11 Shop Manual

Komatsu PC490LCi-11 Shop Manual

Hydraulic excavator
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SEN06592-03
HYDRAULIC
PC490LCi
-11
EXCAVATOR
85113
SERIAL NUMBERS
and up

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Summary of Contents for Komatsu PC490LCi-11

  • Page 1 SEN06592-03 HYDRAULIC PC490LCi EXCAVATOR 85113 SERIAL NUMBERS and up...
  • Page 2 Find manuals at https://best-manuals.com...
  • Page 3 00 INDEX AND FOREWORD PC490LCI-11 00-1 Find manuals at https://best-manuals.com...

  • Page 4: Table Of Contents

    BATTERY DISCONNECT SWITCH ....................10-45 ENGINE SYSTEM ..........................10-46 LAYOUT DRAWING OF ENGINE SYSTEM ................... 10-46 ENGINE CONTROL SYSTEM ....................... 10-49 AUTO-DECELERATION SYSTEM ....................10-52 ENGINE AUTOMATIC WARM-UP SYSTEM .................. 10-54 OVERHEAT PREVENTION SYSTEM .................... 10-56 00-2 PC490LCI-11 Find manuals at https://best-manuals.com...
  • Page 5 WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM............10-407 BUCKET CLEARANCE ADJUSTMENT SHIM ................10-408 CAB AND ITS ATTACHMENTS ......................10-409 ROPS CAB ...........................10-409 CAB MOUNT ..........................10-410 CAB TIPPING STOPPER ......................10-411 20 STANDARD VALUE TABLE ........................20-1 CONTENTS ............................20-2 PC490LCI-11 00-3 Find manuals at https://best-manuals.com...

  • Page 6: Index

    00 INDEX AND FOREWORD ABBREVIATION LIST ..........................20-3 STANDARD VALUE TABLE FOR ENGINE ..................... 20-8 STANDARD VALUE TABLE FOR ENGINE: PC490LCI-11 ............... 20-8 STANDARD VALUE TABLE FOR MACHINE..................20-11 STANDARD VALUE TABLE FOR MACHINE: PC490LCI-11 ............20-11 MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE ......20-37 STANDARD VALUE TABLE FOR ELECTRICAL ...................
  • Page 7 FAILURE CODE [989N00] ......................40-191 FAILURE CODE [A1U0N3] ......................40-192 FAILURE CODE [A1U0N4] ......................40-194 FAILURE CODE [A900FR]......................40-196 FAILURE CODE [A900N6] ......................40-197 FAILURE CODE [A900NY]......................40-198 FAILURE CODE [AA10NX] ......................40-199 FAILURE CODE [AB00KE] ......................40-201 FAILURE CODE [AQ10N3] ......................40-204 PC490LCI-11 00-5 Find manuals at https://best-manuals.com...
  • Page 8 FAILURE CODE [CA357] ......................40-288 FAILURE CODE [CA386] ......................40-290 FAILURE CODE [CA441] ......................40-291 FAILURE CODE [CA442] ......................40-293 FAILURE CODE [CA449] ......................40-294 FAILURE CODE [CA451] ......................40-295 FAILURE CODE [CA452] ......................40-297 FAILURE CODE [CA515] ......................40-299 FAILURE CODE [CA516] ......................40-301 00-6 PC490LCI-11 Find manuals at https://best-manuals.com...
  • Page 9 FAILURE CODE [CA1977] ......................40-399 FAILURE CODE [CA1993] ......................40-402 FAILURE CODE [CA2185] ......................40-405 FAILURE CODE [CA2186] ......................40-407 FAILURE CODE [CA2249] ......................40-409 FAILURE CODE [CA2265] ......................40-410 FAILURE CODE [CA2266] ......................40-412 FAILURE CODE [CA2271] ......................40-414 FAILURE CODE [CA2272] ......................40-416 PC490LCI-11 00-7 Find manuals at https://best-manuals.com...
  • Page 10 FAILURE CODE [CA3315] ......................40-532 FAILURE CODE [CA3316] ......................40-535 FAILURE CODE [CA3317] ......................40-537 FAILURE CODE [CA3318] ......................40-538 FAILURE CODE [CA3319] ......................40-540 FAILURE CODE [CA3321] ......................40-541 FAILURE CODE [CA3322] ......................40-543 FAILURE CODE [CA3419] ......................40-546 FAILURE CODE [CA3421] ......................40-548 00-8 PC490LCI-11 Find manuals at https://best-manuals.com...
  • Page 11 FAILURE CODE [CA4161] ......................40-672 FAILURE CODE [CA4162] ......................40-675 FAILURE CODE [CA4163] ......................40-678 FAILURE CODE [CA4164] ......................40-680 FAILURE CODE [CA4165] ......................40-682 FAILURE CODE [CA4166] ......................40-684 FAILURE CODE [CA4168] ......................40-686 FAILURE CODE [CA4169] ......................40-689 FAILURE CODE [CA4171] ......................40-691 FAILURE CODE [CA4249] ......................40-694 PC490LCI-11 00-9...
  • Page 12 FAILURE CODE [DB92KK] ......................40-798 FAILURE CODE [DB95KP] ......................40-800 FAILURE CODE [DB96KP] ......................40-804 FAILURE CODE [DB99KQ]......................40-808 FAILURE CODE [DB9LKA] ......................40-813 FAILURE CODE [DB9LKB] ......................40-815 FAILURE CODE [DB9QKR] ......................40-817 FAILURE CODE [DB9RKR] ......................40-824 FAILURE CODE [DBR0MC]......................40-830 FAILURE CODE [DBR2KK]......................40-831 FAILURE CODE [DBR5KP]......................40-834 00-10 PC490LCI-11...
  • Page 13 FAILURE CODE [DKT5KB] ......................40-959 FAILURE CODE [DKT6KA] ......................40-961 FAILURE CODE [DKT6KB] ......................40-963 FAILURE CODE [DKT8KA] ......................40-965 FAILURE CODE [DKT8KB] ......................40-967 FAILURE CODE [DKT9KA] ......................40-969 FAILURE CODE [DKT9KB] ......................40-971 FAILURE CODE [DKTAKA]......................40-973 FAILURE CODE [DKTAKB]......................40-975 FAILURE CODE [DKTAMB] ......................40-977 PC490LCI-11 00-11...
  • Page 14 FAILURE CODE [DW43KA] ......................40-1075 FAILURE CODE [DW43KB] ......................40-1077 FAILURE CODE [DW43KY] ......................40-1079 FAILURE CODE [DW45KA] ......................40-1081 FAILURE CODE [DW45KB] ......................40-1084 FAILURE CODE [DW45KY] ......................40-1087 FAILURE CODE [DW4CKY]......................40-1089 FAILURE CODE [DW4FKA] ......................40-1090 FAILURE CODE [DW4FKB] ......................40-1093 FAILURE CODE [DW4FKY] ......................40-1095 00-12 PC490LCI-11...
  • Page 15 FAILURE CODE [DXEAKB] ......................40-1193 FAILURE CODE [DXEAKY] ......................40-1195 FAILURE CODE [DY20KA] ......................40-1197 FAILURE CODE [DY20MA]......................40-1199 FAILURE CODE [DY2CKB]......................40-1201 FAILURE CODE [DY2DKB]......................40-1204 FAILURE CODE [DY2EKB]......................40-1206 TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) ............40-1208 E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) ..........40-1208 PC490LCI-11 00-13...
  • Page 16 E-36 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT SWING ............................40-1258 E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING BRAKE DOES NOT OPERATE ....................40-1261 E-38 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE PROPERLY, OR INDI- CATOR NOT DISPLAYED ON MONITOR ................40-1263 00-14 PC490LCI-11...
  • Page 17 E-63 CONTROL BOX DISPLAYS THE MESSAGE [Tilt Bucket Sensor Offline!] ......40-1304 E-64 CONTROL BOX DISPLAYS THE MESSAGE [Waiting for satellites...]........40-1305 E-65 CONTROL BOX DISPLAYS THE MESSAGE [Komatsu controller not connected!] ....40-1306 E-66 CONTROL BOX DISPLAYS THE MESSAGE [Sensors are invalid] ........40-1310 E-67 CONTROL BOX DISPLAYS THE MESSAGE [Waiting to initialize..] .........40-1313...
  • Page 18 H-37 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED)................................40-1402 H-38 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY) ......40-1403 H-39 UNUSUAL NOISE IS HEARD FROM AROUND FAN ............40-1404 TROUBLESHOOTING OF ENGINE (S-MODE) .................40-1405 INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE).......40-1405 00-16 PC490LCI-11...
  • Page 19 REMOVE AND INSTALL ENGINE REAR OIL SEAL..............50-190 REMOVE AND INSTALL ENGINE HOOD ASSEMBLY ..............50-200 REMOVE AND INSTALL FUEL TANK ASSEMBLY ...............50-217 REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY ............50-226 REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY......50-237 REMOVE AND INSTALL KDPF ASSEMBLY.................50-249 PC490LCI-11 00-17...
  • Page 20 REMOVE AND INSTALL OPERATOR'S CAB ASSEMBLY ............50-561 REMOVE AND INSTALL OPERATOR'S CAB GLASS (ADHERED GLASS) .........50-579 REMOVE AND INSTALL FRONT WINDOW ASSEMBLY .............50-591 REMOVE AND INSTALL FLOOR FRAME ASSEMBLY..............50-600 REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY ..........50-615 REMOVE AND INSTALL OPERATOR'S SEAT ................50-628 00-18 PC490LCI-11...
  • Page 21 MAINTENANCE STANDARD OF CENTER SWIVEL JOINT ............60-62 WORK EQUIPMENT..........................60-63 MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE..........60-63 MAINTENANCE STANDARD OF BOOM CYLINDER ..............60-72 MAINTENANCE STANDARD OF STROKE SENSING BOOM CYLINDER ........60-73 MAINTENANCE STANDARD OF STROKE SENSING ARM CYLINDER........60-75 PC490LCI-11 00-19...
  • Page 22 FAILURE CODE [879CKA]........................80-59 FAILURE CODE [879CKB]........................80-60 FAILURE CODE [879DKZ]........................80-61 FAILURE CODE [879EMC] ........................80-63 FAILURE CODE [879FMC] ........................80-64 FAILURE CODE [879GKX] ........................80-65 A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE)................................80-67 00-20 PC490LCI-11...
  • Page 23 ELECTRICAL CIRCUIT DIAGRAM (7/13)..................90-33 ELECTRICAL CIRCUIT DIAGRAM (8/13)..................90-35 ELECTRICAL CIRCUIT DIAGRAM (9/13)..................90-37 ELECTRICAL CIRCUIT DIAGRAM (10/13) ..................90-39 ELECTRICAL CIRCUIT DIAGRAM (11/13) ..................90-41 ELECTRICAL CIRCUIT DIAGRAM (12/13) ..................90-43 ELECTRICAL CIRCUIT DIAGRAM (13/13) ..................90-45 INDEX..................................1 PC490LCI-11 00-21...
  • Page 24 (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. 00-22 PC490LCI-11...
  • Page 25 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) PC490LCI-11 00-23...
  • Page 26 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 27 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 PC490LCI-11 00-25...
  • Page 28 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 00-26 PC490LCI-11...

  • Page 29: 00 Index And Foreword

    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 30 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 { }. 00-28 PC490LCI-11...

  • Page 31: Safety Notice For Operation

    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 32 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 (-). 00-30 PC490LCI-11...
  • Page 33 • Do not use gasoline to wash parts as a general rule. Do not use gasoline to clean electrical parts, in partic- ular. PC490LCI-11 00-31...
  • Page 34 • 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. 00-32 PC490LCI-11...
  • Page 35 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. PC490LCI-11 00-33...
  • Page 36 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} 00-34 PC490LCI-11...
  • Page 37 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). PC490LCI-11 00-35...
  • Page 38 • 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". 00-36 PC490LCI-11...

  • Page 39: Precautions To Prevent Fire

    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 40 • 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. 00-38 PC490LCI-11...

  • Page 41: Actions If Fire Occurs

    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. PC490LCI-11 00-39...

  • Page 42: Precautions For Disposing Of Waste Materials

    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. 00-40 PC490LCI-11...

  • Page 43: Actions Taken To Meet Exhaust Gas Regulations

    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 44: Precautions For Def

    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. 00-42 PC490LCI-11...

  • Page 45: Store Adblue/Def

    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. PC490LCI-11 00-43...
  • Page 46 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. 00-44 PC490LCI-11...
  • Page 47 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. PC490LCI-11 00-45...

  • Page 48: Precautions For Handling Hydraulic Equipment

    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. 00-46 PC490LCI-11...

  • Page 49: Precautions For Disconnection And Connection Of Pipings

    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 PC490LCI-11 00-47...
  • Page 50 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 00-48 PC490LCI-11...
  • Page 51 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 PC490LCI-11 00-49...
  • Page 52 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. 00-50 PC490LCI-11...
  • Page 53 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 54 • 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". 00-52 PC490LCI-11...

  • Page 55: Precautions For Handling Electrical Equipment

    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. PC490LCI-11 00-53...
  • Page 56 • 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. 00-54 PC490LCI-11...

  • Page 57: Precautions For Handling Fuel System Equipment

    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 58: Precautions For Handling Intake System Equipment

    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. 00-56 PC490LCI-11...

  • Page 59: Practical Use Of Komtrax

    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. PC490LCI-11 00-57...

  • Page 60: Disconnect And Connect Push-Pull Type Coupler

    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). 00-58 PC490LCI-11...
  • Page 61 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. PC490LCI-11 00-59...
  • Page 62 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. 00-60 PC490LCI-11...
  • Page 63 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. PC490LCI-11 00-61...

  • Page 64: Precautions For Disconnection And Connection Of Connectors

    Connecting connectors Check the connector visually. • Check that there is no dust, dirt, oil, or water stuck to the connector pins (joint portion). 00-62 PC490LCI-11...
  • Page 65 If the wiring harness is dirty with oil and dust, wipe it off with a dry cloth. Avoid water washing or steam washing. If water washing is unavoidable, do not use high-pressure water or steam directly on the wiring harness. If water gets directly on the connector, do as follows. PC490LCI-11 00-63...
  • Page 66 After the connector is completely dried, blow the contact restorer, and reassemble them. Handling controller When performing arc welding on the machine body, disconnect all of the wiring harness connectors connected to the controller. Fit an arc welding ground close to the welding point. 00-64 PC490LCI-11...
  • Page 67 When performing the troubleshooting for the circuit (measurement of voltage, resistance,continuity, current, etc.), shake the related wiring harnesses and connectors several times and check that the multimeter read- ing does not change. NOTICE If the value changes on the multimeter, there may be a defective contact in the circuit. PC490LCI-11 00-65...

  • Page 68: Method For Disconnecting And Connecting Deutsch Connector

    In order to check whether locks (a) and (b) are completely inserted, insert female connector (2) by rocking it vertically (in the arrow z direction). (Arrow: x, y, z) REMARK Lock (a) in the figure is pulled down (not set completely), and lock (b) is set completely. 00-66 PC490LCI-11...

  • Page 69: Method For Disconnecting And Connecting Slide Lock Type Connector

    (L2), and then pull out connector (1) to- ward you. Method for connecting slide lock type connector (FRAMATOME-3, FRAMA- TOME-2) Insert it straight until it clicks. Method for disconnecting slide lock type connector (FRAMATOME-24) Slide down lock (red) (L1). PC490LCI-11 00-67...
  • Page 70 TYPE CONNECTOR 00 INDEX AND FOREWORD While pressing lock (L2), pull out connector (1). REMARK Lock (L2) is located behind connector (1) in the figure. Method for connecting slide lock type connector (FRAMATOME-24) Insert it straight until it clicks. 00-68 PC490LCI-11...

  • Page 71: Method For Disconnecting And Connecting Connector With Lock To Pull

    Method for disconnecting connector with lock to pull Disconnect the connector (2) by pulling lock (B) (on the wiring harness side) of connector (2) outward. Method for connecting connector with lock to pull Insert the connector securely until it "clicks". PC490LCI-11 00-69...

  • Page 72: Method For Disconnecting And Connecting Connector With Lock To Push

    While pushing up lock (C) of the connector with flat-head screwdriver [1], pull out connector (3) in the direction of the ar- row. Method for connecting connector with lock to push (BOSCH-3) Insert it straight until it clicks. 00-70 PC490LCI-11...
  • Page 73 Method for disconnecting connector with lock to push (SUMITOMO-4) While pressing lock (D), pull out connector (4) in the direction of the arrow. Method for connecting connector with lock to push (SUMITOMO-4) Insert it straight until it clicks. PC490LCI-11 00-71...

  • Page 74: Method For Disconnecting And Connecting Connector With Housing To Rotate

    REMARK Housing (H1) is left on the wiring harness side. Method for connecting connector with housing to rotate Insert the connector to the end while aligning its groove to the other. Turn housing (H1) clockwise until it clicks. 00-72 PC490LCI-11...
  • Page 75 For mid- to small-size excava- wire for auto- tors CAVS mobile (nominal No. 1.25 and lower) (Type 2) General wiring for extremely Heat-resistant cold weather specification low-voltage Heat-resistant cross- -50 to +110 wire for auto- linked polyethylene Wiring at high-temperature mobile place PC490LCI-11 00-73...
  • Page 76 Standard 10.8 11.4 13.0 13.6 16.0 17.6 Nominal No. 0.5f 0.75f 0.85 1.25f 1.25 Number of strands Diameter of round compres- round compres- round compression strand sion sion Conductor Cross-sec- tional area 0.56 0.88 1.29 ( mm d (approx.) 00-74 PC490LCI-11...
  • Page 77 In a color code consisting of 2 colors, the first color is the color of the background and the second color is the color of the marking. Example) GW indicates that the background is "Green" and marking is "White". PC490LCI-11 00-75...
  • Page 78 HOW TO READ ELECTRICAL WIRE CODE 00 INDEX AND FOREWORD Types of circuits and color codes Type of wire AVS, AV, CAVS Charge Ground Start Light Instrument Signal Type of circuit Others 00-76 PC490LCI-11...
  • Page 79 (The standard dimension is entered on the left side and the tolerance of the shaft is entered with a positive or negative symbol at the center and that of the hole on the right side) Tolerance Standard dimension Shaft Hole -0.030 +0.046 -0.076 PC490LCI-11 00-77...
  • Page 80 The allowable maximum interference between the hole of a part and the shaft of another part to be assem- bled is called "allowable interference". • The allowable interference shows the repair limit of the part of smaller tolerance. 00-78 PC490LCI-11...
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