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The openings of a connector (tee or elbow) and

a hose are crimped for metallic sealing. Be

careful not to damage the seating surface

during disassembling or assembling.

1. Hose

2. Union nut

3. Connector

A. Seating surface

B. Crimping surface of hose cap

C. Crimping surface of connector

An O-ring equipped with the hose mouth fitting

seals the hydraulic pressure of the fitting part to

prevent the oil leakage.

The tightening torque for the piping joint of a

hydraulic hose is determined by the screw

diameter of the hose mouth fitting. When a

failure is found in a hose piping joint, pay

attention to the following points to repair and

replace it even before the periodic inspection

of the hydraulic component unit.

1. Hose

2. Union nut

3. Connector

4. O-ring

A. Crimping surface of O-ring

４

4.8

CONNECTING HYDRAULIC HOSES AND PIPING JOINT

The following 2 types of fitting part are used for hose piping.

4.8.1

METAL JOINT

4.8.2

O-RING SEAL JOINT

O-RING PART

Be sure to replace the O-ring with a new one at reassembly.

If oil leakage occurs due to union loosening, replace the O-ring with a new one instead of

retightening, confirm that it is in contact with the sealing surface properly, and then tighten it.

Do not use a new O-ring which has damage or deterioration. Also, it may cause oil leakage or

markedly decrease the service life of the hydraulic components to use an O-ring other than the

specified parts even if it has the same size because the material or hardness can be different.

JOINT PART

Take enough care not to damage the O-ring groove surface and sealing surface of hoses, pipes

and other hydraulic components when connecting them. Using damaged parts causes oil leakage.

Be sure to keep out dust or other foreign materials. Foreign materials caught in the fitting part

causes oil leakage.

［

4. INSPECTION AND MAINTENANCE

］

4-15

Содержание SK35SR-6

Страница 1: ...STAND AND FOLLOW ALL SAFETY PRECAUTIONS AND INSTRUCTIONS FOUND IN THIS MANUAL BEFORE OPERATING THE MACHINE Destination OCE 2014 06 SK35SR 6 PX16 30001 Copyright 2015 Kobelco Construction Machinery Co...

Страница 3: ...22 1 4 7 INSPECTION AND MAINTENANCE ON THE MACHINE 1 23 1 5 SECURE VISIBILITY 1 25 1 5 1 PRECAUTIONS FOR SECURING VISIBILITY 1 25 1 6 PROHIBITED WORKS 1 26 1 6 1 PROHIBITED WORKS IN MACHINE OPERATION...

Страница 4: ...OF LEVERS AND PEDALS 2 12 2 5 2 PILOT CONTROL SHUT OFF LEVER 2 13 2 5 3 CONTROL LEVER 2 14 2 5 4 TRAVEL LEVER PEDAL 2 16 2 5 5 ENGINE THROTTLE LEVER 2 17 2 5 6 DOZER CONTROL LEVER 2 17 2 5 7 BOOM SWIN...

Страница 5: ...5 STOPPING MACHINE ENGINE 3 16 3 6 CHECK AFTER STARTING ENGINE 3 17 3 6 1 CHECKING EXHAUST COLOR SOUND AND ODOR 3 18 3 6 2 PILOT CONTROL SHUT OFF LEVER 3 19 3 6 3 CHECKING MONITOR PANEL OPERATION 3 1...

Страница 6: ...AINTAING THE MACHINE 4 4 4 2 1 GENERAL SAFETY PRECAUTIONS 4 4 4 3 LUBRICANT FUEL COOLANT SPECIFICATIONS 4 7 4 4 MAINTENANCE PARTS 4 9 4 5 NECESSARY TOOL 4 10 4 6 TORQUE SPECIFICATIONS FOR BOLTS NUTS 4...

Страница 7: ...INSPECTION MAINTENANCE PROCEDURES 4 58 4 16 1 REPLACING RETURN FILTERS 4 58 4 16 2 REPLACING AIR BREATHER ELEMENT 4 60 4 16 3 INSPECTING AND ADJUSTING VALVE CLEARANCE 4 61 4 16 4 INSPECTING AND ADJUS...

Страница 8: ...SWITCH BREAKER 7 9 7 3 2 CONTROL LEVER SWITCH NIBBLER 7 10 7 3 3 CONTROL LEVER SWITCH EXTRA 7 11 7 4 PERIODIC INSPECTION AND MAINTENANCE OF NIBBLER CRUSHER AND BREAKER 7 12 7 4 1 PERIODIC INSPECTION A...

Страница 9: ...S 8 31 8 4 2 AFFIXING CONTROL LEVER PATTERN LABEL 8 32 8 5 QUICK HITCH 8 33 8 5 1 PROHIBITED WORKS 8 33 8 5 2 PRECAUTIONS 8 33 8 5 3 REMOVING FRONT ATTACHMENT 8 34 8 5 4 INSTALLING FRONT ATTACHMENT 8...

Страница 13: ...cedures are completely understood This manual describes the basic operating techniques Skill is gained as the operator utilizes these techniques and completes them with an actual machine Some figures...

Страница 14: ...in operation are due to non observance of elementary safety rules and precautions Many accidents can be avoided if the causes are known and proper cautions are taken beforehand No matter how devices a...

Страница 15: ...ging work Trenching work Loading work Ground leveling work Demolition work For more information about work procedures see chapters MACHINE OPERATION and OPTIONAL EQUIPMENT FRONT REAR AND RIGHT LEFT OF...

Страница 16: ...ly inspected by specialized personnel and all damaged parts must be restored using genuine parts For structural changes or part replacements of the cab contact KOBELCO authorized dealer distributor RO...

Страница 17: ...orm us the machine serial number engine serial number and hour meter read See below for the locations on which the machine serial number and engine serial number are stamped Write them down in the fol...

Страница 21: ...measures NOTES DANGERS WARNINGS and CAUTIONS contained in this manual and on the machine should be read and understood by all personnel before starting any work with or on the machine 2 Operation mai...

Страница 22: ...uctions or procedures which if not correctly followed may result in severe machine damage 1 SAFETY PRECAUTIONS 1 4 Copyright 2015 Kobelco Construction Machinery Co Ltd All rights reserved S2PX00051ZE0...

Страница 23: ...he battery and hang a Do Not Operate tag in the operator s station Remove the key from the starter switch 4 If possible make all repairs after parking the machine on the level and firm ground Block th...

Страница 24: ...19 Long or damaged fuel lubricant and hydraulic oil lines tubes and hoses can cause a fire Do not bend or strike high pressure lines Do not insteach part which are bent or struck with something Inspec...

Страница 25: ...bestos used in these components is usually sealed in resin or by other ways Normal handling is not hazardous as long as the dust containing asbestos is not generated in the air If the dust containing...

Страница 26: ...these labels can be easily read If words or illustrations are illegible clean off the dirt Use a cloth water and detergent to clean the warning labels Never use organic solvents or gasoline If warnin...

Страница 29: ...r Part number PY20T01073P1 Location Seat stand cover Part number PS20T01023P1 1 ELECTRIC SHOCK 2 READ THIS MANUAL CAREFULLY 3 HANDLING OF PILOT CONTROL SHUT OFF LEVER 4 INTERFERENCE BY THE ATTACHMENT...

Страница 30: ...20T01414P1 Location Seat stand cover Part number PS20T01042P1 Read this manual to handle the battery properly Location Seat stand cover Part number PS20T01043P1 5 KEEP CLEAR OF THE SWING AREA 6 DISASS...

Страница 31: ...94P1 Location Side of radiator Part number PX20T01165P1 Location Guard Part number YT20T01352P1 9 HANDLING THE CABLE 10 HOT COOLANT 11 STOP ENGINE BEFORE SERVICING 12 HOT PARTS 1 SAFETY PRECAUTIONS 1...

Страница 32: ...Part number PE20T01012P1 Getting hit by the operating machine may cause personal injury Do not get close to the machine Location Seat stand cover Part number PS20T01049P1 Location Right side inside ca...

Страница 33: ...art number PE20T01028P1 Location Seat stand cover canopy right side of cab cab Part number YN20T01039P1 18 WATCH YOUR HAND S AND LEG S 19 ROPS WARNING 20 HANDLING ROTARY MULTI CONTROL VALVE 1 SAFETY P...

Страница 34: ...hose Part number PS20T01192P1 Location Cover Part number PX20T01139P1 21 HANDLING ROTARY MULTI CONTROL VALVE 22 HANDLING ROTARY MULTI CONTROL VALVE OPTION 23 AVOID BEING BURNED OPTION 24 NIBBLER CRUS...

Страница 35: ...PV20T01008P1 Location Right side of cab Part number PS20T01083P2 Be sure to read this manual before removing installing the attachment 25 NIBBLER CRUSHER AND BREAKER OPERATION 26 NIBBLER CRUSHER AND B...

Страница 36: ...ITCH OPERATION SWITCH 30 HANDLING THE QUICK HITCH OPTION This label is affixed to the machine equipped with KOBELCO standard quick hitch 31 HANDLING THE QUICK HITCH OPTION This label is affixed to the...

Страница 37: ...ality of the layer of earth and soil in the working site before operating the machine to establish safety working procedures Avoid a site where rocks may fall or landslides may occur Put up barricades...

Страница 38: ...ow to escape from the cab Use the cutter on the grip side of the hammer to cut the seat belt etc in an emergency Hearing loss may occur when an environment is extremely noisy Wear ear protectors or ea...

Страница 39: ...s to wash parts such as light oil nor gasoline Use non combustible oil as washing liquid Do not weld the pipes and tubes containing combustible liquid and do not perform gas cutting 1 4 5 FIRE PREVENT...

Страница 40: ...s such as grease oil and mud from the steps and handrails if adhesion of any of them is found When getting on and off the machine do not fail to use the handrail step and track shoe facing to the mach...

Страница 41: ...alfunction or fire Never clean inside of the operator s station and the electrical components such as sensors and connectors with pressurized water or steam KEEP THE AREA AROUND THE OPERATOR S SEAT CL...

Страница 42: ...or failure If you detect any abnormality during operation immediately stop the machine and repair it DO NOT USE THE MACHINE IN BAD CONDITION 1 SAFETY PRECAUTIONS 1 24 Copyright 2015 Kobelco Constructi...

Страница 43: ...rbed by the equipment attachment Place the signal person in case of poor visibility to direct the operator with his her directions signals and signs Place the only one signal person at the working sit...

Страница 44: ...d piling It may cause severe damage to machine parts Operate the bucket boom and arm cylinders to leave some clearance as clearance A in the figure to the both stroke ends If the cylinder is operated...

Страница 45: ...to generate impact to remove dirt It may cause damage to the equipment attachment and cylinders Never lift up the machine with arm cylinder stroke end It may cause damage to the equipment attachment...

Страница 46: ...found PRECAUTIONS OF STARTING THE ENGINE Move the pilot control shut off lever to the LOCKED position Be sure to start the engine from the operator s seat Sound the horn before starting the engine to...

Страница 47: ...d as much as possible When traveling on slopes be careful of tipping rolling over and skidding Keep the bucket at the height of 30 to 40 cm 12 to 40 64 cm above the ground to enable the bucket touch t...

Страница 48: ...N OR SNOW COVERED GROUND The frozen or snow covered ground is extremely slippery and the machine can skid further by even a small slope Do not perform the dash start stop and swing and travel slowly S...

Страница 49: ...careful not to strike the dozer against large rocks etc It may cause a premature damage of the dozer or cylinder If the machine is supported by the dozer be sure to ground the dozer bottom evenly avo...

Страница 50: ...ng confirm their existence location and carefully carry out the operation Use extreme caution not to hit the attachment in working sites with limited height such as tunnels bridges or under electrical...

Страница 51: ...oon after the rain fall as the shoulders of roads may become looser Take care not to dig the foot areas of the machine too much to prevent the machine from falling off This machine is designed and man...

Страница 52: ...f limits signs at the working site And if the working site is in the busy traffic area place the signal persons to control traffic LIGHTING When working in dark places turn on the working light Whenev...

Страница 53: ...travel or work there The weight or vibration of the machine may cause a collapse of such ground resulting in tipping rolling over of the machine Especially it often occurs after a rain blast or earthq...

Страница 54: ...ribed in this manual before inspecting and maintaining the machine And then safely and carefully perform the inspection and maintenance CONFIRM THE JOB PROCEDURES Confirm all working procedures before...

Страница 55: ...o not refuel drain the fuel inspect or maintain the machine before the internal pressure becomes zero High pressure oil from even a pin hole can penetrate the skin or eyes and cause severe injury or b...

Страница 56: ...step and handrail and support the body with the hands and feet Use protective gears such as safety belt as needed VENTILATION PRECAUTIONS Inspecting and maintaining the machine indoor or in a place wi...

Страница 57: ...ions for Welding Turn the starter switch to the OFF position Disconnect the cable at the negative terminal of the battery to cut off the current Attach welder ground cable within 1 m 3 3 ft from the p...

Страница 58: ...tion voids our liability for the machine Consult KOBELCO authorized dealer distributor for any modification to the machine beforehand PAYING ATTENTION TO BROKEN PIECES WHEN HAMMERING When hammering po...

Страница 59: ...and check oil or water leakage from the maintained part Slowly operate each control lever to confirm its operation performance Increase the engine speed and again check oil or water leakage Manipulate...

Страница 60: ...charge the battery of which the battery electrolyte level is lower than the lower limit This might cause explosion Check the battery electrolyte level periodically and make up the loss with distilled...

Страница 61: ...out 10 minutes at high idle 8 Start the engine of disabled machine 9 After starting the engine of disabled machine remove the jumper cables in the reverse procedure of the connection 10 Check and repa...

Страница 62: ...ted or damaged wire rope which may result in break Never tow the machine on a slope Never climb onto the towing wire rope Never stand between the towing machine and the machine or thing being towed du...

Страница 63: ...dealer distributor 1 11 HANDLING ACCUMULATOR Improper handling of the accumulator containing high pressure nitrogen gas may cause severe injury due to explosion Follow the instructions below without f...

Страница 67: ...ring 32 Bucket cylinder 7 Swing motor 20 Rubber track shoe 33 Idler link 8 Swivel joint 21 Idler Assembly 34 Bucket link 9 Air cleaner 22 Lower roller 35 Bucket 10 Battery 23 Upper roller 36 Light 11...

Страница 68: ...el pedal 16 Travel speed select switch 7 Right travel pedal 17 WORKING LIGHT SWITCH 8 Boom swing foot pedal 18 Deceleration switch 9 Dozer control lever 19 Wiper switch Cab 10 Optional Pedal Breaker N...

Страница 69: ...ers the red range let the engine run at low idle until the water cools down and the pointer returns to the white range 1 White 2 Red 3 Blue 2 3 MONITOR PANEL The monitor consists of the following thre...

Страница 70: ...is not properly charged In that case inspect the charging system See INSPECTING AND MAINTAINING BATTERY in Chapter 4 This warns of temperature abnormalities of the engine coolant If it is lit stop th...

Страница 71: ...ravel speed select switch is located on the grip of the right travel lever When you turn the starter switch OFF the travel speed is changed back to travel in LOW 1st 2 3 6 FUEL LEVEL LAMP LIT IN RED 2...

Страница 72: ...starter key to the START position After the engine is started release the starter key The starter key will return to the ON position by itself When the electric circuit related to quick hitch operati...

Страница 73: ...boom and canopy OFF position ON position The working lights on the boom and canopy are lit The horn sounds while the switch located on the top of the left control lever grip is being pressed 2 4 2 TR...

Страница 74: ...tion and noise while waiting for a dump truck or workers Turning the starter switch OFF from ON automatically turns off the deceleration function You can rotate this switch to move the wiper on the fr...

Страница 75: ...ocking the quick hitch to be possible 2 4 8 QUICK HITCH OPERATION SWITCH The alarm sound will not stop until the quick hitch operation switch is set to the UNLOCK side For detailed operations see REMO...

Страница 76: ...4 Engine Throttle Lever 5 Dozer Control Lever 6 Boom Swing Foot Pedal 7 Optional Pedal Breaker Nibbler 2 5 HANDLING OF LEVERS AND PEDALS 2 5 1 LOCATION OF LEVERS AND PEDALS 2 MACHINE FAMILIARIZATION 2...

Страница 77: ...m swing foot pedal to the LOCKED position before standing up or moving Setting the pilot control shut off lever to the LOCKED position does not lock the boom swing foot pedal Set the pilot control shu...

Страница 78: ...LOCKED position the attachment swing motor and dozer do not work The pilot control shut off lever is installed only on the left side 2 5 3 CONTROL LEVER CONTROL PATTERN OF LEVERS Before operation be s...

Страница 79: ...nd bucket are held in the position where they are The operations of the boom and arm are different between the ISO and BHL patterns For how to switch the rotary multi control valve ISO BHL see Chapter...

Страница 80: ...ection When travel motor 1 is located on the front side the travel lever functions will be opposite If you put your foot on a pedal during work there is a possibility of severe injury because the mach...

Страница 81: ...eed is maximized The dozer can be operated by using the dozer 1 control lever on the right side of the operator s seat Dozer control lever 1 returns to the neutral position if it is released and the d...

Страница 82: ...tact pressure locally to weaken the ground Be sure to ground the dozer bottom evenly avoiding offset or concentrated load 4 If you perform digging at the dozer size or front side the bucket may interf...

Страница 83: ...check to replace any blown fuses with new ones If there is a corroded fuse generating white powder on it or if some looseness exists between a fuse and its fuse holder replace it as well 2 6 2 REPLAC...

Страница 84: ...5 5A Travel alarm 14 10A Sequence relay 6 5A Lever lock solenoid 15 10A Hand control solenoid 7 5A Rotating beacon 16 10A Socket radio 8 10A Travel in HIGH 2nd speed solenoid 17 20A Working light 9 5...

Страница 85: ...t protects electrical components and wiring from burn out due to excess current In case the starter does not work when the starter switch is turned ON disconnection of the fusible link is suspected Ch...

Страница 86: ...ching bracket and bolts before fastening the seat belt Check attaching bolts which are used to secure the belt to the seat for loosening and tighten loose bolts again Change the seat belt every three...

Страница 87: ...om vibration it is important to set the suspension according to your own weight There are five weight adjustment levels to select from Pull up and slide the handle 1 horizontally release it in the pos...

Страница 88: ...control lever is unexpectedly touched without the pilot control shut off lever locked it may cause severe accident resulting in severe injury 2 10 1 CAB DOOR LOCK This is used to fix door in the condi...

Страница 89: ...he condition where the machine is parked in level and locked securely If the lock is released in the forward tilting position of machine there is a possibility of falling of the front window When clos...

Страница 90: ...indow frame 1 Release lock 1 to open the window 2 Move lock 1 to the LOCKED position to close the window ON The lamp turns on Neutral The lamp turns on when the door opens and turns off when the door...

Страница 91: ...ENCY ESCAPE FROM OPERATOR S STATION If it is impossible to open the cab door in an emergency escape from the cab by the following way For how to open the front window see RETRACTING UPPER FRONT WINDOW...

Страница 92: ...4 The grease gun holder is positioned inside of the right side cover When the gun is not used put it on this holder 2 12 OTHER EQUIPMENT ACCESSORY 2 12 1 TOOLS 2 12 2 GREASE GUN HOLDER 2 MACHINE FAMIL...

Страница 93: ...you close the side cover it is automatically locked 2 12 3 GUARD AND SIDE COVER WITH LOCK LEVER Be sure to stop the engine before opening the engine hood or side cover The engine hood fuel inlet righ...

Страница 97: ...r Check the engine for any oil fuel or coolant leakage Repair as required Check the area around the engine and radiator for any accumulated material and remove as required Check the hydraulic device h...

Страница 98: ...required Check coolant level of the reserve tank 1 when engine is cooled down After the engine stops the coolant is hot and the high pressure is accumulated in the radiator Removing the radiator cap u...

Страница 99: ...the oil level again 4 Wipe filler cap 2 with a clean cloth and attach it in place 5 Close the engine food and lock it with the starter key 3 2 2 CHECKING ENGINE OIL LEVEL AND REFILLLING TEMPERATURE AF...

Страница 100: ...light oil or clean it with air gun and then fit it to the filler port again 5 After refilling tighten filler cap 3 securely Close the hydraulic oil tank cover and lock it with the starter key to fini...

Страница 101: ...of H L the oil level is normal The oil level varies depending on the oil temperature Use the following rough indications Before operation Near the L level oil temp 10 to 30 degrees C During normal op...

Страница 102: ...battery charge failure engine overheating or early wear of the belt On the other hand excess belt tension may cause damage to the bearing or belt To check the belt tension press on the center of the...

Страница 103: ...ILTER If the filter is extremely dirty cooling performance is decreased Clean it referring to CLEANING RADIATOR OIL COOLER CORE AND FILTER in Section 250 HOUR 3 MONTH INSPECTION MAINTENANCE PROCEDURES...

Страница 104: ...l pressure lamp Unlit Lit Unlit 2 Battery charge lamp Unlit Lit Unlit 3 Engine coolant temperature lamp Unlit Unlit Unlit 4 Fuel level lamp Unlit Unlit Unlit 5 Travel in HIGH 2nd speed lamp Unlit Unli...

Страница 105: ...left side of the front cab only If they do not light presumably light bulbs are burned out or electrical wire is broken Contact KOBELCO authorized dealer distributor for repair 3 3 2 CHECKING WORKING...

Страница 106: ...ARTING ENGINE After making sure that no one is stayed and no obstacle is left around the machine sound horn and start the engine Do not hold the starter switch in the START position for more than 15 s...

Страница 107: ...by itself 5 After the engine speed is stabilized move the engine throttle lever to the low idle position to warm up the engine 3 4 2 START UP IN COLD CONDITIONS In cold weather due to increase in oil...

Страница 108: ...nnect the jumper cable to a ground surface as far as possible from the battery If the battery electrolyte is frozen do not attempt to start the the engine with another power supply 1 Battery 2 Bolt Us...

Страница 109: ...utes at high idle The battery of the disabled machine is partially charged 8 Start the engine of the disabled machine 9 Soon after the starting of the engine of the disabled machine remove the jumper...

Страница 110: ...ture 4 Turn starter key 2 to the OFF position to stop the engine 5 Remove starter key 2 3 5 STOPPING MACHINE ENGINE To protect the engine be sure to run the engine for 5 minutes with no load and low s...

Страница 111: ...nance or repair is necessary be sure to stop the engine and put the warning tags DO NOT START ENGINE DO NOT OPERATE and UNDER INSPECTION MAINTENANCE on noticeable places Never apply an excessive load...

Страница 112: ...rate in a speed generating the sympathetic vibration Vibration may abruptly become large by resonance at a certain speed Do not use the machine with around that speed to protect parts from being damag...

Страница 113: ...ees C at minimum before starting the work if the work in a low temperature is unavoidable It extends the service life of the machine If any improper operation is found stop the engine immediately Cont...

Страница 114: ...the work in a low temperature is unavoidable Middle speed position 1 Move engine throttle lever 1 to the middle speed position to accelerate the engine speed 2 Make sure that the pilot control shut of...

Страница 115: ...control pattern 4 Tighten wing bolt 2 to fix lever 3 after setting the control pattern Firmly tighten wing bolt 2 by your fingers without tools 5 Close the cover 6 Operate the attachment to make sure...

Страница 116: ...ou operate the machine while the control pattern labels do not match the actual machine movement it may cause severe accident resulting in severe injury Replace the control pattern label with the one...

Страница 117: ...roughly You can further improve your operational skill by throughly learning the performance and structure of this machine 3 9 1 MACHINE TRAVEL Confirm the travel motor position before traveling When...

Страница 118: ...the engine is running and press the travel speed select switch Display lamp 1 is lit 2 Use the travel levers to travel the machine 3 Press the travel speed select switch again after stopping the mach...

Страница 119: ...op it after slow traveling as much as possible 3 9 3 STOP TRAVELING When the attachment or swing operation is unavoidably required during traveling do not perform the operation rapidly Stopping the Ma...

Страница 120: ...rength of bridges and shoulders and strengthen them if necessary 4 Be careful not to touch a bridge beam and electrical power line 5 Traveling on a rough road has a great impact on the machine Reduce...

Страница 121: ...ound and chock the crawlers Downward slope Upward slope 1 The maximum gradeability of this machine is 58 30 degrees 2 Operate the travel levers slowly when going downhill 3 Use the low 1st speed when...

Страница 122: ...r for a long time use a grease gun to apply grease until the old grease comes out from the inside 1 Idler link 2 Bucket link 3 Bucket If the hydraulic oil is not warmed up sufficient gradeability may...

Страница 123: ...the boom and arm to the ground and shake the mud or gravel off the crawler Gravel or mud clogged in a crawler can be cleared by lifting the crawler up and moving it forward and reverse 3 9 7 GETTING...

Страница 124: ...1 Move the pilot control shut off lever to the UNLOCKED position 2 Raise the bucket to a proper height from the ground 3 Operate left control lever 1 to swing the machine 4 While you are not swinging...

Страница 125: ...ent stop during boom DOWN has a great impact on the machine resulting in adverse effects on parts 5 If soil does not fall out easily set the bucket in the bucket out position and move the bucket lever...

Страница 126: ...he center last 1 For backfilling and leveling work after digging use the dozer 2 Scrape the embankment from the top or side surface If the load on the machine is too much adjust the dozer height by us...

Страница 127: ...boom to the left and right respectively You can perform the side ditch digging as shown in the right figure A Right swing B Left swing 3 10 5 SIDE DITCH DIGGING WORK As the boom swing operation especi...

Страница 128: ...ing radius without boom swing in mm ft in 2 380 7 10 2 380 7 10 These values are for the standard arm specification 3 10 6 WORK IN NARROW PLACE When working in a narrow place the position as shown in...

Страница 129: ...ark the machine on a level and firm surface Avoid parking on a slope When it is unavoidable wedge the bucket teeth into the ground and chock the crawler 1 so that the machine does not move Set the pil...

Страница 130: ...e place and stop the engine immediately Then repair the machine according to applicable procedures described in INSPECTION AND MAINTENANCE CHART in Chapter 4 3 12 PRECAUTIONS AFTER OPERATION Check the...

Страница 131: ...to the maximum after finishing work for a day Be careful not to refuel with fuel to a level more than necessary to the top end of tank There is a possibility of overflowing because the fuel expands a...

Страница 132: ...h as oil deterioration and seal adhesive 1 After an emergency stop set the pilot control shut off lever to the LOCKED position 2 If you made an emergency stop without putting the attachment or bucket...

Страница 133: ...he following Right side cover Auto lock Engine hood Cab door Cab specification 3 15 LOCKING 3 MACHINE OPERATION 3 39 Copyright 2015 Kobelco Construction Machinery Co Ltd All rights reserved S2PX00051Z...

Страница 134: ...can extend the service life of rubber track shoe and take its full advantages Be sure to read PRECAUTIONS FOR USE OF RUBBER TRACK SHOE before using it 3 16 HANDLING OF RUBBER TRACK SHOE STANDARD 3 16...

Страница 135: ...ed wipe it off immediately Do not travel over an oil puddle on the ground 4 Do not enter a place with high temperature due to fire or steel plate under the blazing sun Also do not perform the ground l...

Страница 136: ...Avoid such locations or wash the rubber track shoes after use 8 Use the rubber track shoes at a temperature between 25 to 55 degrees C because of physical properties of rubber 9 Do not turn on an une...

Страница 137: ...n a slope or hillock causes damage on the rubber track shoes Travel with the both sides on the same flat surface 12 Do not turn with a position as shown in the figure It causes coming off or damage of...

Страница 138: ...ge to the radiator cylinder block and cylinder head When being shipped from the factory the coolant mixed with Long Life Coolant is used to prevent rust and freezing of the cooling system When operati...

Страница 139: ...17 3 HANDLING OF ELECTRICAL COMPONENTS Electrical components are weak in water Be careful to keep water away from them when washing the machine or performing maintenance in the rain Particularly use e...

Страница 140: ...e machine is not in use Use extreme caution when starting to use the machine at the next time Apply a sufficient quantity of anti rust oil to any parts which rust easily especially to the exposed area...

Страница 141: ...level and coolant level before starting the engine Refill engine oil or coolant if its level is low Wipe off the rust preventive oil from the cylinder rods After the lubricating operation apply the r...

Страница 145: ...a certain service time see WHEN REQUIRED Use only specified oils fluids lubricants filters and replacement parts to keep machine in optimum operating condition Use the oils and greases with the specif...

Страница 146: ...ystem contamination when machine is clean CHECK THE HOUR METER Read the hour meter every day to check for items which get to the next inspection and maintenance time STOP THE ENGINE BEFORE INSPECTION...

Страница 147: ...ls mixed Contact the person in charge and take appropriate measures if any foreign materials are found HANDLING OF WASTE OIL AND ANTIFREEZE Be sure to drain waste oil and antifreeze in containers and...

Страница 148: ...gers hands or arm into it Align the pin with a bore visually IN DUSTY WORKING SITE Pay attention to the followings in dusty sites Check the air cleaner for clogging Clean the air cleaner element earli...

Страница 149: ...nts to be used in various climates and working conditions 1 New machines contain marked grease 2 L L C means Long Life Coolant 3 Cartridge part number KAPG0420D1 400 g 20 Pail can part number KAPG1601...

Страница 150: ...n all regions including areas where low temperatures or freezing is not normally expected BIO DEGRADABLE OILS USE OF BIO DEGRADABLE OILS When using Bio degradable Oil BIO OIL refer to the following in...

Страница 151: ...250 hours Fuel filter 119802 55801 Cartridge 1 Replace every 500 hours Water separator 119802 55730 Element 1 When required 24321 000650 O ring 1 Radiator PM05P00013S002 Radiator cap 1 Replace every 1...

Страница 153: ...UE SPECIFICATIONS FOR BOLTS NUTS Follow the table in the next page when tightening or retightening bolts or nuts in every part Check for any loose or missing bolts or nuts before daily operation and d...

Страница 156: ...7 8 73 to 87 3 4 36 152 2 to 171 8 112 to 126 1 41 245 2 to 264 8 181 to 195 Screw diameter PF Wrench mm Tightening torque N m lbf ft 1 8 14 13 to 17 10 to 12 1 4 19 24 1 to 33 9 18 to 26 3 8 22 44 1...

Страница 157: ...e piping 4 8 1 METAL JOINT METAL JOINT 4 8 2 O RING SEAL JOINT O RING SEAL JOINT O RING PART 1 Be sure to replace the O ring with a new one at reassembly 2 If oil leakage occurs due to union loosening...

Страница 158: ...around them of the hoses pipes and other hydraulic components remove and dry the cleaning solvent completely before connecting these parts Wipe away all grease on the screw parts before assembling an...

Страница 159: ...al pressure of the hydraulic oil tank 8 Now the pressures in the hydraulic system and hydraulic oil tank is released You can start the inspection and maintenance of the hydraulic system 4 9 RELEASING...

Страница 160: ...ION AND MAINTENANCE CHART Follow the chart below for recommended intervals of regular inspection and maintenance procedures Perform inspection and maintenance according to the calendar time or operati...

Страница 161: ...Engine 2 2 Fuel system Hydraulic system Upper frame 4 INSPECTION AND MAINTENANCE 4 19 Copyright 2015 Kobelco Construction Machinery Co Ltd All rights reserved S2PX00051ZE03 0731CsCshWbYs...

Страница 162: ...Lower frame Attachment Electricity Other equipment 4 INSPECTION AND MAINTENANCE 4 20 Copyright 2015 Kobelco Construction Machinery Co Ltd All rights reserved S2PX00051ZE03 0731CsCshWbYs...

Страница 163: ...tor 4 11 WHEN REQUIRED Thoroughly read and understand 1 SAFETY PRECAUTIONS of this manual before operating inspecting or maintaining the machine 4 11 1 MAKING UP WASHER FLUID The washer fluid reservoi...

Страница 164: ...removed parts in the reverse procedure of the step 1 4 11 2 REPLACING WORKING LIGHT Because a lighted lamp becomes hot its life may be shortened if grease or other oil is adhered on it When replacing...

Страница 165: ...ly send and receive signals to each other and use extreme caution to ensure the safety An abrupt operation of the front attachment is strictly prohibited because it may cause danger When aligning the...

Страница 166: ...es of bucket 6 and arm 7 with each other and then insert pin 5 5 Insert pin 3 and install retaining ring 2 Fit O ring 1 in place 6 Apply grease to the grease nipples for each pin until the grease come...

Страница 167: ...k pin 3 3 Inspect locking pin 4 and rubber lock pin 3 If locking pin 4 is too short or rubber lock pin 3 is in poor condition as shown to the right replace it with a new one 4 11 4 REPLACING TOOTH POI...

Страница 168: ...he side cutters replace the bolts and nuts with new ones Tightening torque 249 6 to 308 4 N m 184 to 227 lbf ft 3 After tightening the nuts spot weld them INSTALLING THE TOOTH POINT Align the rear fac...

Страница 169: ...place the shoe with a new one If lugs are worn and more than half of one steel cord B is broken replace the shoe with a new one If cracking A of 60 mm 2 4 inch or longer occurs between lugs of the rub...

Страница 170: ...als 1 on a rubber track shoe is detached replace it with a new one 2 If a cracking occurs on a rubber track shoe and a core metal 1 stands out replace it with a new one 3 Crackings A which occur where...

Страница 171: ...rous to loosen the grease nipple rapidly because grease will splash Loosen the grease nipple gradually with your face kept away from around the grease nipple The grease nipple can pop out due to the i...

Страница 172: ...er track shoe and slowly rotate the sprocket in the reverse direction If the rubber track shoe comes off from the iron pipes slide it horizontally to remove it 1 Iron pipe A Rotation direction 1 Use t...

Страница 173: ...rotation and check that the rubber track shoe is securely placed on the sprocket idler and lower roller 1 7 Inspect and adjust the tension of rubber track shoe 2 following INSPECTING AND MAINTAINING...

Страница 174: ...flat head screwdriver between boot 3 and plastic cover 4 to release four clicks one by one 2 After applying the grease install plastic cover 4 and boot 3 4 11 7 LUBRICATING PUSH ROD OF CONTROL LEVER...

Страница 175: ...8 CHECKING ELECTRIC WIRING Contact KOBELCO authorized dealer distributor if frequent replacement of fuses is needed or a trace of short circuit is found Be sure to disconnect the battery cable at the...

Страница 176: ...er distributor for judgement of repair 4 12 8 HOUR DAILY INSPECTION MAINTENANCE PROCEDURES For the following inspection and maintenance items see 3 MACHINE OPERATION and this chapter 4 12 1 VISUALLY C...

Страница 177: ...mediately park the machine at a safe place and stop the engine 1 Move the pilot control shut off lever to the LOCKED position and then stop the engine 2 When checking for the leakage spot wear protect...

Страница 178: ...ing the machine slowly in a wide area 1 Travel Motor 2 Sprocket 3 Lower Roller 4 Track Shoe 5 Upper Roller 6 Idler 4 12 4 CHECKING OIL LEAKAGE AND WEAR OF UNDERCARRIAGE If abnormal wear sound or oil l...

Страница 179: ...stop the engine 2 Open the engine food and raise cock 2 of the water separator to Close position C 3 Tighten the drain cock 3 and drain the accumulated water to a container If the water does not drain...

Страница 180: ...wing cylinder foot pin 1 6 Boom and arm connecting pin 1 14 Swing cylinder rod pin 1 7 Bucket cylinder foot pin 1 15 Swing bracket and frame connecting pin 2 8 Bucket cylinder rod pin 1 4 12 6 GREASIN...

Страница 181: ...level supply distilled water before starting the engine before charging INSPECTING AND MAINTAINING BATTERY Wear protective glasses long sleeve shirt and rubber gloves when handling or servicing batter...

Страница 182: ...ot rise at start up and the engine fails to start measure the specific gravity of the battery electrolyte If it is lower than the specified specific gravity auxiliary charge is required Standard speci...

Страница 183: ...ve 1 and drain the water and sediment deposited on the bottom Be careful not to be splashed by the flushed fuel 4 Close drain valve 1 when the clean fuel is discharged 4 13 2 FUEL TANK DRAINING Since...

Страница 184: ...traveling devices and prevent track shoes from coming off due to insufficient tension Perform the work in pairs and the operator should operate the machine according to signals from the other worker T...

Страница 185: ...ack shoes causes coming off or early wear of them Adjustment It is necessary to adjust the track shoe tension depending on the work condition at the working site At the working site covered with many...

Страница 186: ...Grease Cylinder A Grease Injection B Pressure 3 Check the track shoes tension again and repeat the adjustment for a proper tension as needed If the tension is still loose after pressing sufficient gre...

Страница 187: ...grease nipple 1 of the grease cylinder gradually to drain the grease Do not loosen grease nipple 1 more than one turn 2 If the grease does not come out well move the machine track shoe forward and bac...

Страница 188: ...it with the starter key Belt Tension of new belt Tension of belt in use Pushing force Fan 8 to 12 mm 0 32 to 0 47 inch 10 to 14 mm 0 39 to 0 55 inch 98 N 22 lbf 4 14 250 HOUR 3 MONTH INSPECTION MAINT...

Страница 189: ...tor cap securely 7 Install the under cover Belt in use refers to the belt that has been used for five or more minutes since it is attached to the engine and the engine starts running 4 14 2 CHECKING R...

Страница 190: ...e on the packing replace the outer element with a new one even when the cleaning has not yet been performed six times 4 14 3 AIR CLEANER MAINTENANCE Wear protective glasses or respirator when using co...

Страница 191: ...CING INNER ELEMENT Be careful when attaching the O ring If water enters inside an engine failure occurs For machines with double element specifications do not clean and reuse the inner element The inn...

Страница 192: ...ecommended oil see LUBRICANT FUEL COOLANT SPECIFICATIONS in Chapter 4 7 Start the engine run it at idle for several minutes and then stop the engine Check that the oil level is in the range of H and L...

Страница 193: ...REPLACING ENGINE OIL FILTER Immediately after the engine is stopped the parts are heated Wait for them to cool down The oil filter cannot be reused because it is a cartridge type Also it cannot be di...

Страница 194: ...cock 4 Drain cock A Fuel inlet B Fuel outlet C Close D Open 4 14 6 BLEEDING AIR FROM FUEL SYSTEM If air enters or remains in the fuel system fuel cannot be sent to the fuel injection pump When the fue...

Страница 195: ...applying grease wipe off old grease which is pushed out No Greasing point Point s No Greasing point Point s 1 Dozer cylinder foot pin 1 3 Dozer foot pin 2 2 Dozer cylinder rod pin 1 4 14 7 GREASING S...

Страница 196: ...et 6 3 Securely tighten cap 1 4 14 9 CLEANING AND REPLACING THE RADIATOR CAP HANDLING OF RADIATOR CAP Inside the radiator the high pressure steam occurs and it may cause personal injury Do not loosen...

Страница 197: ...e the side cover on the right side and install the under cover 4 14 10 CLEANING RADIATOR OIL COOLER CORE AND FILTER Direct strike of compressed air steam or high pressure water on the body can cause i...

Страница 198: ...the filter mounting area for fuel leakage 4 15 500 HOUR 6 MONTH INSPECTION MAINTENANCE PROCEDURES Thoroughly read and understand 1 SAFETY PRECAUTIONS of this manual before performing the inspection a...

Страница 199: ...Install element 6 to the body of the water separator 7 Attach O ring 8 to case 5 and tighten it with ring 9 8 Lower cock 2 to Open D 9 After draining be sure to follow BLEEDING AIR FROM FUEL SYSTEM in...

Страница 200: ...d it is very dangerous Before removing the return filter stop the engine and then press the valve head on top of the breather cap to release the pressure in the hydraulic oil tank Wait for the hydraul...

Страница 201: ...emove cover 2 6 Remove spring 3 valve 4 and element filter A from the tank 7 Replace O ring 5 on the mounting surface of cover 2 8 Clean the removed parts with light oil 9 Attach the element by the re...

Страница 202: ...xhaust ports between cover 3 and body 5 8 Attach cover 3 and then attach nut 2 9 Attach breather cap 1 10 Remove the stay and return the right side cover to the specified position 4 16 2 REPLACING AIR...

Страница 203: ...3 INSPECTING AND ADJUSTING VALVE CLEARANCE 4 16 4 INSPECTING AND ADJUSTING STARTER AND GENERATOR There is the possibility that the brush is worn or the bearing is out of grease Adjust the starter and...

Страница 204: ...ush the eyes or skin with plenty of fresh water and seek medical attention PAY ATTENTION TO HOT PARTS Immediately after operation the oil is hot and it may result in burns Wait until the oil temperatu...

Страница 205: ...utes 6 Stop the engine remove the drain plug and drain the water into a container Pour clean soft water into radiator 3 with the drain plug removed to clean the radiator until the clear water is disch...

Страница 206: ...ming Adjust the fuel injection timing to achieve the best engine performance Cleaning EGR Cooler On the cooling water chamber side of the EGR cooler rust and water scale are adhered after a long time...

Страница 207: ...CE PROCEDURES Thoroughly read and understand 1 SAFETY PRECAUTIONS of this manual before performing the inspection and maintenance Follow this section together with daily 50 hour 250 hour 500 hour 1000...

Страница 208: ...ELCO authorized dealer distributor Dispose of the drained waste oil properly as the industrial waste 4 18 2 CLEANING SUCTION STRAINER HANDLING OF HYDRAULIC OIL TANK The oil in the hydraulic oil tank i...

Страница 209: ...trainer 4 by inserting it 10 Install cover 3 with bolt 2 Tightening Torque 20 7 to 25 3 N m 15 3 to 18 7 lbf ft 11 Start the engine run it at low idle for several 5 to 7 minutes After that operate eac...

Страница 210: ...ed hydraulic oil to prevent a fire On each P port of the pilot valves for left and right hand operator control levers the pilot valve for travel and the solenoid valve the filtered connector is attach...

Страница 211: ...light oil or air to clean the dust accumulated on the filter 5 Check O ring 3 and if damaged replace it 6 After cleaning attach the connector and hose For the tightening torque see TORQUE SPECIFICATI...

Страница 212: ...E SPECIFICATIONS FOR JOINTS HYDRAULIC HOSES in Chapter 4 1 Remove cover 6 in the left side of the machine by loosening two bolts 7 2 Remove the hose and tee connected to inline filter 1 and then remov...

Страница 213: ...3 Lower roller 4 Track shoe 5 Upper roller 6 Idler 4 18 4 OIL CHANGE OF LOWER ROLLER IDLER AND UPPER ROLLER The high pressure grease is charged in the grease cylinder of the track spring When adjusti...

Страница 214: ...inlet plug 4 with an Allen wrench to drain old engine oil 7 Refill the specified amount 65 cc 4 0 cu in of engine oil through the fuel inlet 8 Wind a sealing tape around plug 4 and tighten the plug s...

Страница 215: ...ch to drain old gear oil 4 Refill the specified amount 80 cc 4 9 cu in of gear oil through the fuel inlet 5 Wind a sealing tape around plug 3 tighten the plug securely and then clean up any oil around...

Страница 216: ...ied amount 55 cc 3 4 cu in of gear oil through the fuel inlet 7 Wind a sealing tape around plug 4 and tighten the plug securely Clean up any oil around the engine 8 Attach the removed parts in the rev...

Страница 217: ...temperature and pressure Stop the engine first remove the breather cap press the valve release the pressure from the tank and then remove the cover Immediately after operation the oil is hot and it m...

Страница 218: ...e cover under the hydraulic oil tank 5 Clean the surface around the hydraulic oil tank to keep it away from foreign materials 6 Press breather cap 2 on the top of the hydraulic oil tank several times...

Страница 219: ...Pour the oil while checking the oil level with level gauge G 12 Attach filler port cover 4 with bolt 3 Tightening Torque 20 7 to 25 3 N m 15 3 to 18 7 lbf ft 13 Start the engine run it at low idle fo...

Страница 223: ...ions of the attachment Refer to masses and dimensions described in SPECIFICATIONS in this manual to select the proper transportation method Perform a previous inspection on the route such as limitatio...

Страница 224: ...ramp and travel slowly Raise the dozer and load unload the machine onto from the trailer with the attachment lowered as much as possible but not hitting the trailer 4 When loading the machine with the...

Страница 225: ...ce the embankment by pile driving to prevent the collapse of the embankment slope if necessary 3 The surface of the platform or embankment must be level to that of the trailer bed 4 Load the machine p...

Страница 226: ...per wire ropes to prevent it from moving during transportation 1 Wire rope A Chock B LOCKED position 5 3 FIXING THE MACHINE After loading the machine on the required position fix the machine by the fo...

Страница 227: ...from the area around and under the machine Keep the machine horizontal when lifting it This lifting procedures are applicable for machines in a standard specification The lifting procedures differ fo...

Страница 228: ...ss kg lbs 130 290 Overall length x Overall height x Overall width LxHxW mm ft in 1 240x330x1 700 4 1 x13 0 x5 7 Mass kg lbs 180 400 5 5 GENERAL SPECIFICATIONS FOR EQUIPMENT ATTACHMENT 5 5 1 BOOM GENER...

Страница 231: ...2 5 4 2 Gradeability degre e 58 30 Engine Model YANMAR 3TNV82A B Engine Total Displacement liters cu in 1 330 81 1 Engine Output Rating kW min 1 PS min 1 17 1 2 400 23 2 400 Boom Swing Angle Right Le...

Страница 232: ...6 2 MACHINE DIMENSIONS 6 2 1 CANOPY TYPE MACHINE 6 2 2 CAB TYPE MACHINE 6 SPECIFICATIONS 6 4 Copyright 2015 Kobelco Construction Machinery Co Ltd All rights reserved S2PX00051ZE03 0731CsCshWbYs...

Страница 233: ...6 3 CRAWLER AND BUCKET TYPES 6 3 1 CRAWLER TYPE 6 3 2 BUCKET TYPE 6 SPECIFICATIONS 6 5 Copyright 2015 Kobelco Construction Machinery Co Ltd All rights reserved S2PX00051ZE03 0731CsCshWbYs...

Страница 234: ...Max vertical wall digging depth 2 620 8 7 2 G Min front swing radius 2 380 7 9 7 G Min front swing length 2 380 7 9 7 H Height at min slew radius 3 790 12 5 2 J 8 feet level digging depth 2 610 8 6 8...

Страница 235: ...30 4 4 4 F Max vertical wall digging depth 2 620 8 7 2 G Min front swing radius 2 380 7 9 7 G Min front swing length 2 380 7 9 7 H Height at min slew radius 3 790 12 5 2 J 8 feet level digging depth 2...

Страница 239: ...lic breaker or nibbler crusher to the machine When using the nibbler crusher or hydraulic breaker to get full performance of its function and avoid damage to the machine and nibbler crusher or hydraul...

Страница 240: ...the hydraulic breaker for other than the demolition work If a rock cannot be broken by hitting the same point for 30 seconds change the target point If you still continue hitting it raises the oil te...

Страница 241: ...it It may cause damage to various parts Never use this machine for the lifting work Safety must be given the first priority If the cylinder rod reaches the stroke end when lowering the arm the impact...

Страница 242: ...OSITION HYDRAULIC BREAKER WORK Use the forward looking or rearward looking position without swing or offset for the hydraulic breaker work Even if you use an attachment other than the hydraulic breake...

Страница 243: ...NG SELECTOR VALVE Incorrect selector valve switching results in poor function which decreases work efficiency and speed and sometimes causes damage to the machine Be sure to switch the selector valve...

Страница 244: ...dth across flats 24 mm 4 After switching the selector valve tighten bolt 2 with the screw key 5 mm 7 2 1 SWITCHING PROCEDURES OF SELECTOR VALVE SWITCHING PROCEDURE Before the switching work stop the e...

Страница 245: ...bler crusher and breaker see SWITCHING SELECTOR VALVE 7 3 1 CONTROL LEVER SWITCH BREAKER PRECAUTIONS FOR LEAVING THE OPERATOR S SEAT Do not leave the machine with the engine running Press switch 1 tha...

Страница 246: ...ave the machine with the engine running Slide switch 2 that is located on the right control lever to open or close the nibbler crusher According to the slide distance of the nibbler crusher control sw...

Страница 247: ...ng Slide the switch 1 that is located on left control lever to actuate the extra operation According to the slide distance of the extra control switch the hydraulic oil flow rate increases 7 NIBBLER C...

Страница 248: ...tamination and deterioration of the hydraulic oil may cause poor function of the control valves early wear and seizure of the hydraulic pump and failure of the whole hydraulic circuit When the hydraul...

Страница 251: ...d and drinks on the controller It may cause failure of the machine When an error occurred on the controller do not disassemble it by yourself but contact KOBELCO authorized dealer distributor for repa...

Страница 252: ...displayed on the multi display stop the work immediately and inspect and maintain the failure part For inspecting or maintaining see INSPECTION AND MAINTENANCE The indications on the multi display do...

Страница 253: ...e Cold condition Warm up the engine This indicates the remaining volume of fuel When the fuel level is low the pointer points E For fuel to use see LUBRICANT FUEL COOLANT SPECIFICATIONS in Chapter 4 1...

Страница 254: ...may occur in working Immediately perform inspection and maintenance 5 This notifies of the machine status and maintenance Buzzer sound type Sounds Type 1 Continuous Type 2 Sound 0 2 seconds stop 0 3...

Страница 256: ...ay main screen a Press menu switch 1 to enter user menu screen b 2 Using the up and down arrow switches move the cursor to MAINTENANCE Press menu switch 1 to enter MAINTENANCE 3 Using the up and down...

Страница 257: ...rol table displays the operating time of each day for the current month 3 Press down arrow switch 4 to show the information of the previous month 4 When the information of three months ago is displaye...

Страница 258: ...3 Using the up and down arrow switches select any of YEAR MONTH DAY HOUR MINUTE as display d 4 Press menu switch 1 to enter display e The background color of value turns blue 5 Using the up and down...

Страница 259: ...own arrow switches move the cursor to Brightness day as display e 4 Press menu switch 1 to enter display e The background color of value turns blue 5 Using the up and down arrow switches select the de...

Страница 260: ...own arrow switches move the cursor to Brightness night as display e 4 Press menu switch 1 to enter display f The background color of value turns blue 5 Using the Up and Down arrow switches select the...

Страница 261: ...t interval specified for the filter oil After reaching to the end of replacement interval inspect and maintain them following to the section of INSPECTION AND MAINTENANCE The recommended replacement i...

Страница 262: ...ime of the hydraulic oil is 5000 hr The multi display warns of it without a buzzer OPERATING CONTROL SCREEN This screen displays the operating time of each day in the unit of 0 5 hr less than 0 5 hr a...

Страница 263: ...ORITY B WHEN WARNINGS ARE DISPLAYED These displays show the warnings that may lead to severe troubles Stop the operation immediately investigate the causes and take proper measures 1 WARNING CLASSIFIC...

Страница 264: ...evention of blur on the glasses The air conditioner is located on the right side in the cab and sends out warm and cool air in the cab 8 2 1 GRILLE AIR OUTLET PRECAUTION IN USE OF AIR CONDITIONER Prev...

Страница 265: ...e set temperature is adjusted by turning the knob The temperature goes down by turning the knob left and goes up by turning the knob right AIR CONDITIONER SWITCH Operates the air conditioner compresso...

Страница 266: ...fore using the air conditioner if the temperature is high The engine coolant is used for heating and it is possible to heat the air when the temperature of the coolant is high For your health do not o...

Страница 267: ...1 Tightening torque 23 2 3 N m 6 After adjustment run the engine at low idle for about 5 minutes before checking the belt tension again 8 2 7 INSPECTION AND ADJUSTMENT OF AIR CONDITIONING COMPRESSOR B...

Страница 268: ...ws the reference value Clean them earlier than the specified time in case the machine is being used in dusty area REMOVING FRESH AIR FILTER REMOVING RECIRCULATION AIR FILTER Hold the handle grip of re...

Страница 269: ...he air conditioning system Figure C The refrigerant is insufficient Contact KOBELCO authorized 8 2 9 CHECKING THE AIR CONDITIONER REFRIGERANT Do not loosen parts in the refrigerant circuit because the...

Страница 270: ...a sign of gas leakage Contact KOBELCO authorized dealer distributor for inspection Follow the following regulations to conserve global environment 1 Do not release the refrigerant which is sealed in t...

Страница 271: ...8 Display Time Frequency 1 Press power switch 1 to switch the power from OFF to ON After displaying the band the frequency or the time is displayed 8 3 HANDLING OF RADIO 8 3 1 COMPONENTS OF RADIO 8 3...

Страница 272: ...vious station on the new band is selected 1 When pressing the UP or DOWN key the frequency increases or decreases 8 3 3 DISPLAY SWITCHING 8 3 4 BAND SWITCHING 8 3 5 HOW TO SELECT STATION With this rad...

Страница 273: ...presetting this function receives the memorized station on PRESET 1 1 Press and hold one of the six PRESET keys 5 2 After the memorized PRESET No blinks three times the frequency is displayed Auto tun...

Страница 274: ...g the operation of volume control key the level of volume is displayed 2 Press and hold the volume control key to change the volume level continuously up or down 3 After operation of the volume contro...

Страница 275: ...control the volume of right and left speakers Treble adjustment TRE To control the treble Bass adjustment BAS To control the bass 8 3 7 SOUND CONTROL 8 OPTIONAL EQUIPMENT 8 27 Copyright 2015 Kobelco...

Страница 276: ...y 7 To turn the volume up on the right speaker press the UP 4 key while BAL is displayed To turn the volume up on the left speaker press the DOWN key 4 To emphasize the treble press the UP key 4 while...

Страница 277: ...s the DOWN key 4 3 Press the DISP key 6 again and the Minute display blinks 4 To increase Minute press the UP key 4 To decrease Minute press the DOWN key 4 5 Press the DISP key 6 again to complete the...

Страница 278: ...d on the control pattern labels If you operate the machine while the control pattern labels do not match the actual machine movement it may cause severe accident resulting in severe injury When the la...

Страница 279: ...on of the desired control lever pattern 4 Tighten wing bolt 2 to fix lever 3 after setting the control pattern Firmly tighten wing bolt 2 by your fingers without tools 5 Close the cover at the front o...

Страница 280: ...ification Inside the cab door 8 4 2 AFFIXING CONTROL LEVER PATTERN LABEL The control pattern labels are magnetic They are needed when changing the control pattern Keep them in a safe place CONTROL PAT...

Страница 281: ...fferent from when a usual front attachment is installed Check for interference before operation 8 5 QUICK HITCH The following precautions and descriptions about handling the quick hitch body is intend...

Страница 282: ...1 is actuated to release the front attachment The alarm sound starts as soon as the switch is switched to the UNLOCK side The alarm sound will not stop until the quick hitch operation switch is at th...

Страница 283: ...ipped with the sliding mechanism for preventing an erroneous switch operation See 2 4 8 QUICK HITCH OPERATION SWITCH Movable hook 1 is actuated to fix the front attachment The alarm sound stops as soo...

Страница 284: ...ure that fixed hook 4 and lock plate 5 are firmly fixed to front attachment pin 2 8 OPTIONAL EQUIPMENT 8 36 Copyright 2015 Kobelco Construction Machinery Co Ltd All rights reserved S2PX00051ZE03 0731C...

Страница 287: ...ribed in this MANUAL Should in depth troubleshooting repair or replacement of components or adjustment of valves be required contact an authorized dealer distributor for assistance 9 TROUBLESHOOTING 9...

Страница 293: ...operation inspection maintenance or repair of this machine Any procedure in this chapter should be performed by the service person who fully understand this machine and has needed skills 10 SPECIAL P...

Страница 294: ...10 2 1 RELEASING PROCEDURES OF TRAVEL MOTOR BRAKES Be careful not to damage the lip of cover 6 It might cause oil leaks Be careful not to damage removed parts during storage 8 Install O ring 11 cover...

Страница 295: ...procedure should be used only in case of machine failure Always use extreme caution during operations Keep other persons away from the bucket attachment and boom The bucket or attachment can move unex...

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