Kubota XN12-8 Operation Manual Download Page 165

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Parameters

Overall Dimensions of Machine

Applicable models: XN12-8

Overall dimensions

Unit: mm

a Wheel track

910

b Overall length of crawler

1235

c Ground clearance of platform

460

d Tail slewing radius of platform

660

e Chassis width

800-950

f Track width

180

g Track height

320

h Transport length

2170/2850

i Ground clearance of seat

1520

j Overall height

2270

m Boom slewing - right

n Boom slewing – left

7-3

Summary of Contents for XN12-8

Page 1: ...XN12 8 Operation Manual Applicable model number XN12 8 Please read this manual and fully understand its content before proceeding with the operation inspection and maintenance of this machine ...

Page 2: ...g and maintenance of machine will result in injuries or deaths Before any operation checking or maintenance of machine please read and understand this manual Please always carry this manual with you It s preferable to preserve this manual on the machine If this manual is lost or damaged please immediately order a new manual from a dealer At the transfer of this machine please ensure to hand this m...

Page 3: ... 0 1 Notice denotes low danger level for which the negligence will result in minor or medium injuries Important The word Importance is intended to alert the operation and maintenance personnel of the possible damages of machine and its components It s impossible for us to predict all possibly existed dangers Therefore the warnings in this manual or on this machine can t cover all possible accident...

Page 4: ...ails this manual probably differs from the manual attached on the machine in use Please be noted that the information contained in this manual and the parameters of machine are subject to changes without further notice The manual is in the circular manual box behind the seat Serial number Important Do not disassemble the machine nameplate with serial number Observe the serial numbers of machine an...

Page 5: ...h a variety of attachments Track width flexible machine width structure Run in period For the first 100 hours of the new machine as indicated by the timer please follow the instructions below Using the new machine without run in will deteriorate acceleration performance and probably shorten the life of machine Sufficiently warm up the engine and hydraulic oil Avoid heavy load and rapid operations ...

Page 6: ... manual are as below Prohibition Lock Unlock 0 4 Noise and vibration A Weighted emission sound pressure level at the operator s position measured according to work cycle procedures specified in ISO 6396 is 78dB A The hands and arms are exposed to a weighted root mean square acceleration that is less than 2 5 m s2 The body is exposed to a weighted root mean square acceleration that is less than 0 5...

Page 7: ...erations of Procedures 3 17 Parking of This Machine 3 26 Treatment in Cold Weather 3 28 Handling of Rubber Tracks 3 29 Transportation 4 1 Loading and Unloading 4 2 Lifting of Machine 4 4 Fixing of Machine 4 6 Maintenance 5 1 Overview 5 2 Service Data 5 4 Critical Safety Parts 5 11 Maintenance List 5 13 Walk Around Checking 5 15 Daily routine checking Every 10h 5 17 After first 50h For new machine ...

Page 8: ...arameters 7 2 Overall Dimensions of Machine 7 3 Operating Range 7 4 Lifting power 7 5 Accessories 8 1 General Safety Measures 8 2 Precaution 8 5 Hydraulic Breaking Hammer 8 6 Optional accessories 8 11 Parts number position 8 13 ...

Page 9: ...Safety 1 1 ...

Page 10: ...the adverse influence of alcohol drug medicine or fatigue or under sleepy status Upon detection of machine abnormality During the operations checking or maintenance of machine upon detection of any machine abnormality Such as noise vibration smell abnormal instrument smoking or oil leakage error warning indication and abnormal display of electric control panel immediately notify a sales or service...

Page 11: ...appliances During the use of grinding miller breaking hammer or compressed air please wear appropriate protective appliances such as safety goggles and filtration mask as the splashing of metal cause serious harms Please use the hearing protection devices during the operations of machine Exposure to a high noise environment for a long time will result in harm or even complete loss of hearing Insta...

Page 12: ...completely understand all gestures The operator must respond to the gestures of designated person only However the operator must abide by the stop gesture made by anyone in all cases The signaler must stand in a clearly visible place while making the gestures Precautions for Standing up from or Leaving Driver Seat Before standing up from the driver seat to open close windows or disassemble install...

Page 13: ...m ignited cigarette match lighter and other flame or fire source Do not smoke or use open fire while handling fuel or performing the operations of fuel system Do not leave the operation site while filling fuel or lubricating oil Do not disassemble the fuel tank cap or refuel while the engine is running or is not cooled down In addition do not splash fuel to any machine hot surface or electronic sy...

Page 14: ...ent of looseness the hoses and pipes will be damaged due to vibration or contact with other parts during operations This will probably result in spray of high pressure oil to cause fire accident or harms Toxic Exhaust Gas from Engine Do not operate the engine in an enclosed place with poor ventilation If the natural ventilation is not possible install ventilation fan fan extended exhaust pipe or o...

Page 15: ...ne parts Before use ensure that the installed accessories will not come into contact with other parts Do not use any attachment not approved by Ken stone company Otherwise it will probably endanger the safety or cause adverse influence on operations or life of machine Ken stone company will not be liable for any injury accident or product damage arising from the use of non approved attachments No ...

Page 16: ...es and electric cables together with administrator If necessary discuss with administrator to determine the detailed safety measures to be taken to ensure safety During operations on road ensure to take the safety of pedestrians and vehicles into consideration Use a signaler and or signals Isolate the working zone against the access of non authorized personnel Before operations in water or driving...

Page 17: ...operation failure due to malfunction or engine malfunction immediately stop the engine as per stop procedure and park the machine securely till the malfunction is repaired Precautions within Cab If installed Before entering the cab remove the mud and oil grease from the shoe bottoms Operating the machine pedals with shoe bottoms affixed with mud and oil grease will result in accidents due to slip ...

Page 18: ...handle or any joystick as handrail Before starting machine keep all non authorized personnel away from this zone Start the engine only after the safe start is confirmed by checking the following items Walk around the machine and alert the repair personnel and the personnel walking around the machine Start the engine only after it s confirmed that there is no person around the machine Check for war...

Page 19: ...d checking in a place without personnel or obstacle Upon detection of any malfunction stop the engine as per the procedure and report malfunction Warm up the engine and hydraulic oil Check all instruments and warning devices for normal functioning Check for presence of noise Test the engine speed control Operate all control devices to ensure normal functioning For Cold Weathers Take cautions that ...

Page 20: ...During operations in a dark place turn on the working lamp and headlamp of machine and when necessary install additional lighting devices In event of poor visibility due to severe weathers Such as fog snow rain and haze stop the operations of machine till the visibility turns good Clean the windows mirrors lamps and camera to keep good visibility Adjust the mirrors and camera to optimal positions ...

Page 21: ...aveling joystick pedal ensure that the bulldozing blade is in front of the driver seat Please bear in mind that the operation direction of the traveling joystick pedal with bulldozing blade behind the driver seat is reverse to that with bulldozing blade in front of driver seat Safe Traveling The bulldozing blade shall be lifted during traveling Retract the bucket working device as shown in above d...

Page 22: ...e to the front position In event of an emergency lower the bucket onto the ground and stop the engine of machine When walking on slopes or ramps drive slowly Reduce engine speed when going downhill Do not reverse the machine down a slope Bulldozing blade Precautions for Traveling on Slopes While traveling on slopes take cautions to prevent the rollover and gliding of machine Do not drive the machi...

Page 23: ...cautions and do not drive over road curbs or entrap in the snow For frozen soil surface the ground becomes soft when the temperature rises which will probably result in rollover of machine and entrapment of operator in the machine While parking the machine on a unstable ground lower the bulldozing blade Do not change direction on slopes or cross slopes First return to the flat surface and then tak...

Page 24: ...h voltage cables unless all safety measures specified by local and national authorities are already taken There is a danger of electric shock and death when any person approaches to the machine that is discharging electric spark or is near or in contact with power supply Always keep a safe spacing between machine and high voltage cables Before starting operations please verify the relevant operati...

Page 25: ...y result in surface collapse Do not operate in any place with falling stone danger Keep a safe spacing between machine and edge of digging site Do not dig the ground ahead of machine During the operations near a cliff or road curb to ease the escape in any event form a right angle between tracks and cliff or road curb and place bulldozing blade in the front Do not access any soft ground area This ...

Page 26: ...beneath the machine There is a possible falling danger of machine when the ground becomes unstable Before the operations on the top of any building or other structure check the strength and structure It will cause serious harms or destruction if the building or structure collapses Do not perform demolition operations above your head There is a falling damage of damaged parts or collapse danger of ...

Page 27: ...e bucket working device is heavily loaded Especially do not laterally slew swing on a slope When the machine is equipped with breaking hammer grinder or extended bucket arm the attachment end is heavier than that with standard bucket For machine with such heavy end do not face the bucket arm boom towards down slope direction for digging or towards lateral direction for operations 1 19 Landfill har...

Page 28: ...er to ensure the safe lifting operations The soft or uneven ground non level status lateral load dynamic or sudden load dangerous environment and personnel experience are included Before operating the machine the operation personnel and other personnel shall be really familiar with the Operation Manual The safe operation regulations of the machine shall be strictly followed in all cases If the cha...

Page 29: ...ing of rope can cause danger Use wire ropes compatible with the towing force Do not use any kinked twisted or even damaged rope Do not suddenly apply heavy load onto the rope Please wear safety gloves during the handling of rope Ensure that an operator is assigned each on the towing machine and the towed machine Do not operate the towing operation on a slope Keep all personnel away from the rope d...

Page 30: ...chine against movement While parking the machine in a street use gratings warning signs or lamps to keep the visible even in the night in order to prevent the impact with other vehicles Complete the following operations before leaving the machine Lower the bucket and bulldozing blade onto the ground Lift up the safety lock handle to the locking position Stop the engine and withdraw the starter key...

Page 31: ...truck cargo body and the ramps clean without oil sand ice snow or other impurity in order to prevent the side slip of machine Clean the tracks Block the wheels of transport truck by wedges to prevent movement While loading or unloading the machine drive the machine slowly in 1st gear low speed as per the signals of the signaler Do not change direction on ramps Do not slew swing on ramps Otherwise ...

Page 32: ...information Do not operate the lifting if there is any operator on the machine Operate slowly during lifting to prevent the rollover of machine During lifting keep all personnel away from working zone Do not move the machine over any person 1 24 Safe Transport of Machine During the transport of machine understand and abide by all applicable safety rules vehicle codes and traffic regulations Take t...

Page 33: ...tical Safety Parts Replace the fuel hoses periodically The fuel hoses will wear gradually along with time even if no wear symptom is visible Upon detection of any wear symptom replace the fuel hose regardless of the replacement schedule To understand more details please refer to the section List of Critical Safety Parts Explosion Proof Lamps 1 25 Danger No operation Affix warning information No Op...

Page 34: ... electric parts against water ingress The water ingress into the electric parts will probably result in short circuit or malfunction Do not clean the battery electronic control units sensors connector or cab by water or steam Stop of Engine before Maintenance While the machine is working or the machine is not working but the engine is running avoid lubricating or further adjusting the machine If t...

Page 35: ...s necessary to operate beneath the lifted machine or device always fix by cushion woods jack or other firm and stable supports Do not access the area beneath the machine or working device before it s firmly supported This operation is especially important for the hydraulic cylinder operations Fixing of Working Device During the repairs and replacements of bucket teeth or side teeth to prevent the ...

Page 36: ...ly If the fuel tank cap is missing replace with original cap only The use of non authorized fuel tank cap pressure in the fuel tank Do not use fuel for any cleaning purpose Use correct fuel grade based on the season Handling of Hoses The leakage of lubricating oil or fuel can result in fire accident Do not distort bend or impact any hose Do not use any distorted bent or cracked pipeline metal pipe...

Page 37: ...e in the hydraulic oil pipes can hold for a long time Before the maintenance thoroughly relieve the internal pressure The high pressure of hydraulic oil can penetrate skin and eyes to cause serious injuries and blindness or even death Please bear in mind that the hydraulic oil permeating from orifices is nearly invisible to naked eyes While checking for leakage wear goggles and thick gloves and pr...

Page 38: ...ering pins and bucket teeth ensure there is no person in surrounding area Guard against High Pressure Grease In the track pensioner the grease is injected under high pressure If the tension is not adjusted by the following designated procedure the grease relief valve will probably fly out to cause injuries Never loosen the grease pipe fittings Slowly loosen the grease relief valve Do not rotate it...

Page 39: ...ne Heavy Machinery service dealer Disconnection of Battery Cables Please disconnect the battery cables before operations or electric welding of electronic system Firstly disconnect the negative cable of battery During re connection finally connect the negative cable of battery Caution during Handling of Battery of battery 1 31 The battery contains sulfur acid The accidental touch will harm your ey...

Page 40: ...l the distilled water till the level is above the upper limit Otherwise the hand feel 1 32 electrolyte will leak out The contact with such electrolyte can harm your skin or corrode the machine parts Clean the surrounding area of electrolyte level marking by a wet cloth and check the level Do not clean by a dry cloth otherwise it can cause electrostatic accumulation and combustion or explosion Peri...

Page 41: ...ast clamp of battery charging cable to a place as far as possible from the battery To start the engine with battery charging cable always wear goggles and gloves Use the battery charging cable and clamps of dimensions suitable to the battery capacity Never use damaged or corroded battery charging cable or clamps Ensure that the battery capacity is same for the Malfunctioned machine and Rescue mach...

Page 42: ... low idling speed to fastest speed and check for leakage of oil or water from repaired parts Operate all joysticks and check machine for normal operations Waste Disposal Ensure to collect the drained oil of 1 34 machine into a container The improper treatment of waste oil will pollute the environment While disposing harmful objects including lubricating oil fuel coolant solvent filter and battery ...

Page 43: ...e safety signs Please review these signs and operation instructions contained in this manual jointly with the machine driver The safety signs shall be clean clear and easily legible If any safety label falls is damaged or becomes illegible please replace with new one Please provide your product serial number while ordering new signs from a Ken stone Heavy Machinery service dealer If a part body on...

Page 44: ...Safety Safety Signs 1 36 ...

Page 45: ...ne of machine 4 Risk from rotating parts Please turn off before checking and maintenances 3 Danger from underbody bolts thrown from track roller adjuster To guarantee the safe and correct operations ensure to read the operation manual before adjusting the track roller adjuster 5 Safe distance and danger from collision with working device Please keep away from machine during operations ...

Page 46: ...is only used for driving through narrow passages 8 9 10 Warning 1 The operations or maintenance of this machine by incorrect method will cause bodily injury accident 2 Before operating the machine ensure to read and understand the operation manual attached in the machine 3 Ensure that all safety facilities are ready and effective 4 Before operating the machine please fasten the seat belt Warning I...

Page 47: ...ystick or traveling joystick while getting on or off the machine otherwise the parts will be damaged Warning 15 There is a danger of electric shock during operations of cables 11 No people are allowed to stand in the working area 12 Pay attention when relieving pressure ...

Page 48: ... the machine is lifted fix it by cushion blocks or supports Do not operate beneath the lifted machine when the machine is not fixed by any support 1 40 20 Keep the boom and bulldozing blade separated While lowering the boom take cautions not to touch the boom with bulldozing blade ...

Page 49: ...Controls 2 1 ...

Page 50: ...Track 11 Bucket 2 Engine hood 6 Drive wheel 12 Bucket cylinder 3 Hydraulic oil tank 7 Track roller 13 Arm 4 Fuel tank 8 Traveling motor 14 Arm cylinder 9 Bulldozer blade 15 Boom 10 Cylinder of blade 16 Boom cylinder 17 Swing joint 18 Swing cylinder 19 Hydraulic circuit ...

Page 51: ...lldozer blade lever 6 Boom swing lever 7 Pedal for telescopic track 8 Pedal for hydraulic circuit 9 Lighting switch 10 Water temperature meter 11 Warning sign 12 hour meter 13 Throttle lever 14 Start switch 15 Safety lock handle The specific configuration depends on the machine specification or selected product ...

Page 52: ...ngine is stopped When opening or closing the service cover please be careful not to pinch your hands or other parts of your body Opening 1 Insert the hood key and turn it counterclockwise to unlock the maintenance cover 2 Lift the hood lock and lift the maintenance cover Closing 1 Unlock the limit lever and close the maintenance cover 2 Insert the hood key and turn it clockwise to lock the mainten...

Page 53: ...e fuse box Close 1 Unlock the limit lever and close the maintenance cover 2 Insert the hood key and turn it clockwise to lock the maintenance cover Warning place Stop the engine before refueling Any overflown fuel shall be wiped away immediately Do not top up the fuel tank Leave an expansion space for the fuel Tighten the fuel tank cap securely Opening 1 Insert the hood key and turn it countercloc...

Page 54: ... and sit back on the seat 2 Adjust the backrest to the angle you want by rotating the handle 1 B Front and back adjustment 1 Pull up the adjustment lever 2 slide the seat back and forth and adjust it to the position you want when operating the machine 2 Loosen the adjustment handle 2 at the position you want to fix the seat 2 6 ...

Page 55: ...2 7 Records ...

Page 56: ...blem with the charging system the light flashes and an alarm sounds 3 Oil pressure indicator When the engine is running if the oil pressure is abnormally low the light flashes and an alarm sounds 4 Water temperature meter Shows the change of cooling water temperature 5 Work light indicator Show the working conditions of the work lights 6 Warm up indicator When the engine is warmed up the light goe...

Page 57: ...on during use please timely contact service personnel 2 9 After Service Information Provided that the operations are performed normally as per the instructions of the manual the malfunctions occurred within the warranty period will be repaired free of charge Please carry this warranty certificate during the repair of this product and repair by a sales point of this device The repair expense will b...

Page 58: ...s used to stop the engine and insert and withdraw the starter key ON Engine running position All electric devices are functional at this position START Engine running position Upon release of key the switch automatically returns to ON Horn button 2 10 If the coolant temperature is too low rotate counter clockwise the key hold for 10 15s and then release before start Rotate the key to ON and then t...

Page 59: ...t touch such controls accidentally While lifting up or lowering down the safety lock handle take cautions not to touch any joystick Before leaving the driver seat lower the working device onto the ground lift up the safety lock handle to locking position and stop the engine Meanwhile ensure to withdraw the key close the doors and hoods and carry the key with you and then preserve it in a designate...

Page 60: ...t the bulldozingblade Warning Before operating the traveling joystick ensure that the bulldozing blade is in front of the driver seat Please bear in mind that the operation direction of the traveling joystick with bulldozing blade behind the driver seat is reverse to that with bulldozing blade in front of driver seat Use these two levers to move forward or backward and change direction 2 12 Travel...

Page 61: ...used for hammer operation Note Make sure you have and correctly installed the breaker device Step on the pedal forward the breaker will start to work release the pedal and the breaker will stop 2 13 Pedal lock l Flip the cover to the outside to lock the foot pedal so that it cannot be stepped on l Flip the cover to the inside to expose the pedals and then you can step on the pedals This pedal is u...

Page 62: ...and 2nd auxiliary switch for several times to relieve the pressure in the auxiliary hydraulic circuit Slowly loosen the bleeding plug to relieve the internal pressure of hydraulic oil tank While disconnecting hoses stand on one side and loosen slowly Slowly relieve the internal pressure before disassembling These pipelines transport the hydraulic oil needed to operate hydraulic breakers or other w...

Page 63: ...ition for 10min b During the running of engine at low idling speed operate the hydraulic auxiliary switch repeatedly for approximately 10 times to bleed the air from hydraulic pipes c Stop the engine and wait for at least 5min till the air bubbles overflow from the hydraulic oil in the oil tank Important If applicable follow the attachment manufacturer s procedure to bleed the air 6 Check for pres...

Page 64: ...Operations 3 1 ...

Page 65: ...ght and maintain three point balance posture Hands and feet for your body Do not use safety lock handle or any joystick as handrail 3 2 Walk Around Checking Before the first start of engine each day fulfill one walk around checking Refer to page 5 14 and 5 15 Maintenance Walk Around Checking Daily Routine Checking Before the first start of engine each day fulfill one walk around checking Refer to ...

Page 66: ...then check as below All warning lamps turn on for 1s and the warning tone is issued for 2s The instruments start working Press the lamp switch and check and ensure that the boom lamp turn on 3 3 If a lamp fail to turn on or a warning lamp fails to sound the lamp bulb or wire is probably damaged Please contact Kenstone service agent for repair Start and Stop of Engine Before Start of Engine 1 Adjus...

Page 67: ...ime before the supply of sufficient fuel will cause start failure of starter motor Normal Start 1 Pull the accelerator joystick to neutral position 2 Rotate the starter key to START position to start the engine 3 After the engine is started release the key The key will automatically return to ON position 4 Check and ensure that all warning lamps are already off 5 Return the accelerator joystick St...

Page 68: ...the key The key will automatically return to ON position 5 Check and ensure that all warning lamps are already off 6 Return the accelerator joystick and warm up the engine Refer to Warm up the engine item Warm up the engine Important Before the completion of warm up Avoid the full speed running of engine Do not warm up the engine for a long time 20min or longer When the idling is required occasion...

Page 69: ...avy load or during high speed running Otherwise it will result probably in overheating or blockage of engine Do not stop the engine hastily unless in event of emergency 1 Return to the throttle lever 2 Let the engine idle for about 5 minutes 3 Turn the starter key to the OFF position to turn off the engine ...

Page 70: ...hrottle control Slew rightward upper frame Dump bucket Swing leftward the boom Lower bulldozing blade Auxiliary oil circuit work stop Swing rightward the boom Lift bulldozing blade Operations Operations of Machine Operations of Machine Joystick Mode ISO Mode Warning Before starting operations please carefully check and confirm the joystick mode to be used The descriptions in this manual use the IS...

Page 71: ...il temperature is 20 do not operate any joystick quickly During the operations the appropriate hydraulic oil temperature is 50 80 If it s necessary to operate under low temperature warm up the hydraulic oil to at least 20 Normal Warm up 1 Pull the accelerator joystick to neutral position Then run the engine at medium speed under no load condition for approximately 5min 2 Completely lower down the ...

Page 72: ...eed of the bucket is normal Checking after Warm up After the warm up of engine and machine Hydraulic oil check as per following procedure and when necessary repair 1 Check the warning lamps and instruments as below Whether all warning lamps turn off Whether the water temperature meter is 105 2 Check for normal engine exhaust gas color sound and vibration 3 Lift up the safety lock handle to locking...

Page 73: ...etract the bucket working device and lower the boom to reduce the gravity center and face the machine towards front before traveling This machine can change the track width Normally to keep stable of machine it s better to operate with extended track width Change of Track Width Operate in a level and solid ground without obstacles 1 Lift the machine body by bucket working device and bulldozing bla...

Page 74: ...extend the crawler to the maximum width of 950 mm 2 Rotate the extension plate around the pins for 180 3 11 Extend Retract 3 Install the pins and tighten thebolts Change of bulldozer blade width 1 loosen the bolts 1 and take out the pins 2 4 Lift the pedal cover to the inside and then step on the pedal in the direction B to retract the width of the chassis to 800 mm ...

Page 75: ... machine Before operating the traveling joystick ensure that the bulldozing blade is in front of the driver seat Please bear in mind that the operation direction of the traveling joystick with bulldozing blade behind the driver seat is reverse to that with bulldozing blade in front of driver seat Remove all obstacles from the path of machine Move the machine back and forth 1 Pull the accelerator j...

Page 76: ...e forward Pull forward the joystick To drive backward Pull backward the joystick When the bulldozing blade is in the rear of cab To drive forward Pull backward the joystick To drive backward Pull forward the joystick 3 13 Pivot Steering Turn left when parking to turn forward left push the right traveling lever to turn back left pull the right traveling lever Turn right when parking same operating ...

Page 77: ...nd push the left traveling lever forward Park the machine on a level solid and safe ground Set the parking device If it s necessary to park the machine on a slope block the track by wedges to prevent movement of machine When the safety lock handle is unlocked the accidental touch of any joystick will result in sudden movement of machine and cause serious injuries or deaths Please be noted that eve...

Page 78: ...ight joystick to control the boom and bucket Use the left joystick to operate the arm and slewing Return the joysticks to neutral position to stop the bucket working device Lower down the safety lock handle to the unlocking position 3 15 Before slewing check the surrounding area for safety Slew the up frame left Push the left joystick left Slew the up frame right Push the left joystick right Slewi...

Page 79: ...s lever forward Swing the boom right pull this lever backward Operations of Bulldozing Blade Lower bulldozing blade Push this lever forward Raise bulldozing blade Pull this lever backward 3 16 Retract bucket arm Push the left joystick backward Extend bucket arm Push the left joystick forward Operations of Arm Swing of Boom Operations of Bucket ...

Page 80: ...l times Do not use the slewing force for demolition or leveling operations Do not use slewing force to dismantle walls or level ground In addition do not insert the bucket teeth into the ground during slewing Otherwise the bucket working device will be damaged No Digging during Traveling Do not insert the bucket into the ground or use the traveling force for digging Steady Operations of Hydraulic ...

Page 81: ... arm cylinder No Digging by Pulling or Hammering Bucket This will shorten the life of bucket working device Dig by hydraulic force Do not operate by the down force of machine Using additional tension onto the machine will shorten the life of machine During digging use the hydraulic force of cylinders by shallow depth and large travel Digging of BedRock For hard bed rocks it s preferable to break t...

Page 82: ...th rock will damage the bulldozing blade and bulldozing blade cylinder Careful Retraction of Bucket Working Device For deep digging operations if the bulldozing blade is in the front take cautions to prevent impacting the boom and bucket with bulldozing blade During operations place the bulldozing blade on the rear of machine whenever possible While retracting the bucket working device take cautio...

Page 83: ...d onto the machine body and damage the machine Avoid driving over obstacles whenever possible If it s necessary to drive over obstacles close the bucket working device to the ground drive the machine at low speed and drive the machine in such manner that the obstacles are in the middle of tracks 3 20 Precautions for Operations of This Machine in Water Immersing the rear of machine in the water as ...

Page 84: ...s the performances of machine on a slope will be deteriorated due to severe working conditions While traveling on a slope lower the bucket to 20 30cm off the ground While climbing up a steep slope extend the bucket working device to the front position In event of an emergency lower the bucket onto the ground and stop the engine of machine While traveling on a slope drive slowly in 1st gear Low spe...

Page 85: ...r dry leaves or traveling on a wet metal plate or frozen surface Do not park the machine laterally on a slope Traveling Posture on Slopes Up slope Traveling To climb up a 15 or higher slope maintain the machine posture as shown in above diagram Downs lope Traveling While driving down a 15 or higher slope reduce the engine speed and maintain the machine posture shown in above diagram 3 22 Operation...

Page 86: ... In Event of Track Slip In event of traveling failure due to track slip while climbing up a slope use the digging force of bucket arm to climb up the slope In Event of Engine Flame out If the engine stops while driving down a slope shift the traveling joystick to neutral position stop the machine and then start the engine 3 23 Operations Operating Procedures ...

Page 87: ...und in the front of machine 3 Pull the bucket joystick during forward traveling to slowly drive out the machine Allowed Operations of Machine Digging 1 Place the bulldozing blade to the opposite side of the digging zone 2 Dig by bucket arm and bucket It s preferable to dig by shallow depth and large travel The maximum digging force is achieved when the angle between boom and bucket arm is 80 120 I...

Page 88: ...oading While loading soil into the cargo body of a truck loading from the rear end of truck can load more soil easier than loading from the front end In addition the small angle slewing can be used to improve the efficiency Leveling 1 Close the bucket working device to the machine body 2 Slowly push away the soil from the side face of soil pile 3 If the soil pile is low push the soil from the top ...

Page 89: ...ensure to withdraw the key close the doors and hoods and carry the key with you and then preserve it in a designated place 1 Place the left and right traveling joysticks to neutral positions 2 Push backward the accelerator joystick to idle the engine 3 Lower the bucket and bulldozing blade onto the ground 4 Lift up the safety lock handle to the locking position For details please refer to Stopping...

Page 90: ...Operations Parking of This Machine Locking Ensure to lock the following parts 3 27 ...

Page 91: ...k to prevent freezing Refer to page 5 27 Water drainage from fuel tank As the battery capacity will drop remarkably in low temperature environment cover the battery or take the battery out of the machine and store it in a warm place If the electrolyte level is too low add distilled water before starting operations in the morning To prevent the freezing of battery electrolyte at nighttime do not ad...

Page 92: ...d rocks steel beams or scrap irons or near the edges of steel plates will damage the rubber tracks Driving the machine on a riverbed or place with numerous pebbles can probably result in inclusion of pebbles in the tracks and the damage or falloff of tracks Do not operate this machine by the sea The salt content will probably corrode the steel core 3 29 Keep the tracks away from the adhesion of fu...

Page 93: ...ing the operations of this machine Do not slew the under frame The superstructure is not slewed when the bucket working device is lifted in the front of machine body Otherwise the load will be concentrated at single point of tracks and the tracks will be twisted to cause rapid damage In all cases avoid changing the route suddenly or avoid the in situ steering on concrete surface whenever possible ...

Page 94: ...tracks within 25 55 For long time storage 3 months of rubber tracks please store in an indoor place without direct sun exposure or rainfall The rubber tracks are not as stable as steel tracks as they are completely made of rubber Take special cautions during the lateral slewing and swing Guard against Falloff of Rubber Tracks Abide by the following precautions to prevent the falloff of tracks Alwa...

Page 95: ...urface In such case this machine is inclined by 10 or more Please drive the machine with both tracks on level surface Do not change the direction when the tracks are loose as shown in the diagram In such case the rubber tracks will fall off if the machine drives backward In such case the rubber tracks will fall off if the machine slews 3 32 ...

Page 96: ...Transportation 4 1 ...

Page 97: ...ansport truck by wedges to prevent movement While loading or unloading the machine drive the machine slowly in 1st gear low speed as per the signals of the signaler Do not change direction on ramps Do not slew swing on ramps Otherwise the machine will probably roll over Slewing swinging the machine on the cargo body of truck will probably result in unstable legs of machine Therefore operate slowly...

Page 98: ... will not touch the ramps 5 Lower the bucket working device as low as possible and take cautions not to impact it with the transport truck 6 Reduce engine speed 7 According to the signaler s signals drive the machine straightly up or down along the ramps in 1st gear low speed 8 Load the machine to designated position of transport truck Refer to Transport Status in page 4 6 for details 4 3 ...

Page 99: ...verall parameters The gravity center varies depending on the installed attachments and optional devices Tounderstand more details please contact your Ken stone service dealer 4 4 Lifting 1 Slew the superstructure to place the bulldozing blade behind the machine Adjust the superstructure to be parallel with track frame 2 Lift the bulldozing blade to highest position 3 Sufficiently extend the bucket...

Page 100: ...Transportation Lifting of Machine 4 5 unit mm ...

Page 101: ... lower framework of machine in order to prevent the side slip of machine 7 Fix the bucket by chains or ropes Important A wood board can be placed beneath the bucket to prevent damaging the ground by the bucket Safety Measures Taken during Transport Warning 4 6 During the transport of machine understand and abide by all applicable safety rules vehicle codes and traffic regulations Take the length w...

Page 102: ...Maintenance 5 1 ...

Page 103: ...manual please ask your sales or service dealer for help Keeping Machine Clean Clean the machine before checking and 5 2 maintenance Keep the machine clean Stop the engine before cleaning the machine Cover the electric parts against water ingress The water ingress into the electric parts will probably result in short circuit or malfunction Do not clean the battery electronic control units sensors c...

Page 104: ...threads of screw plug not wrapped with seal ring Waste Disposal Ensure to collect the drained oil of machine into a container The improper treatment of waste oil will pollute the environment While disposing harmful objects including lubricating oil fuel coolant filter and battery please abide by the applicable laws and regulations Checking after Maintenance Accelerate the engine speed gradually fr...

Page 105: ... while adding fuel oil To replace with fuel oil of other trademark please replace completely Fuel Specified fuel The diesel shall meet the following specification This table lists some diesel specifications available in the world 5 4 Diesel specification Region Diesel specifications Region GB252 China JIS K2204 grade 2 Japan ASTMD975 No 1 D S15 No 2 D S15 USA Canada ISO 8217DMX Worldwide Bio diese...

Page 106: ...er Use fuel with sulfur content volume ratio at 0 5 Use ultra low sulfur fuel especially in U S and Canada The use of fuel with high sulfur content can probably result in sulfur acid corrosion in engine cylinders Do not mix the diesel with kerosene used engine oil or residual fuel It s prohibited to use kerosene The low quality fuel will reduce the engine performance and or damage the engine It s ...

Page 107: ...ace the gear oil ahead of the specified periods Use running water soft water Do not use well water or river water If the outside temperature is 0 add coolant antifreeze Determine the mixture ratio as per the coolant manufacturer s instructions The replacement period of hydraulic oil depends on the type of hydraulic oil in use The new machine is filled with Ken stone genuine hydraulic oil 46 at the...

Page 108: ...ic devices please timely replace the hydraulic oil and oil return filter element as per the table below During the replacement of hydraulic oil clean the oil suction filter screen Replacement period Hour Item Hydraulic oil Filter element 1st time 25 2nd time 100 Periodic 1200 600 200 By taking the breaking hammer operating ratio of 100 for instance Refer to Hydraulic Breaking Hammer in page 8 6 fo...

Page 109: ...od Hydraulic system Ventilator Every 1000h Engine lubrication system Engine oil filter Filter cartridge Replace after first 50 hours then every 250 hours Fuel system Fuel filter Filter cartridge Every 250h Air filter system Air filter Primary Outer filter element Every 1 000h or 6 cleaning cycles Whichever comes first Secondary Inner filter element At replacement of primary filter element ...

Page 110: ...ce 1 20 Combination wrench 18mm Piece 1 21 Combination wrench 19mm Piece 1 22 Socket head 10mm Piece 1 23 Socket head 11mm Piece 1 24 Socket head 12mm Piece 1 25 Socket head 13mm Piece 1 26 Socket head 14mm Piece 1 27 Socket head 15mm Piece 1 28 Socket head 16mm Piece 1 29 Socket head 17mm Piece 1 30 Socket head 18mm Piece 1 31 Socket head 19mm Piece 1 Extended socket head 32 Socket head 21mm Piec...

Page 111: ... nuts and bolts of same dimensions and specifications Category Width across flats b Dimension a X pitch Tightening torque Common connection mm mm N m Ft lb Coarse thread 10 M6 X 1 0 9 8 0 5 7 2 0 4 12 13 M8 X 1 25 22 6 1 1 16 6 0 8 14 17 M10 X 1 5 47 1 2 4 34 7 1 7 17 19 M12 X 1 75 83 4 4 1 61 5 3 0 19 22 M14 X 2 0 134 4 6 7 99 1 4 9 22 24 M16 X 2 0 207 9 10 4 153 3 7 7 27 30 M20 X 2 5 410 9 20 5 ...

Page 112: ...riod Fuel system Fuel pipes Every 2 years Packing on fuel tank cover Heater Heater hoses Cooling system Rubber hoses Hydraulic system Main machine Hydraulic pipe Pump outlet Hydraulic pipe Pump oil suction port Hydraulic pipe Slewing motor Hydraulic pipe Traveling motor Working device Hydraulic pipe Boom cylinder pipeline Hydraulic pipe Bucket arm cylinder pipeline Hydraulic pipe Bucket cylinder p...

Page 113: ... Please consult with your sales or service dealer for the replacement of safety parts Except the critical safety parts check and tighten the hydraulic pipes and when necessary replace During the replacement of hydraulic pipes replace the O ring and seal ring as well Check the fuel and hydraulic pipes as per the schedule specified by the following table Refer to Maintenance Checking type Checking i...

Page 114: ...and adjustment of track tension 5 25 Lubrication of slewing support and slewing motor gears 5 26 Water drainage from fuel tank 5 27 Checking of battery electrolyte level and adding of electrolyte 5 28 Every 250h Checking and adjustment of fan belt 5 30 Replacement of engine oil and filter 5 30 Cleaning of air filter 5 31 Checking of accelerator control system 5 32 Cleaning of radiator fins and oil...

Page 115: ...e List 5 14 Checking and maintenance item Page As nesessary Replace the bucket teeth 5 42 Replace the bucket 5 43 Lubricate joysticks and pedals 5 44 Check the rubber track 5 45 Replace the rubber track 5 46 Maintenance List ...

Page 116: ...ately Before operations within the machine please securely fix the engine hood or machine hood Keep the engine hood and machine hood closed under windy weather or while parking the machine on a slope 5 15 Before starting the engine patrol around the machine and remove any combustible materials around the engine At the same time check the machine for oil or water leakage as well as loose or damaged...

Page 117: ...lock and hook seat on bucket for presence of damage Optional 5 Check handrails footplates and anti slip surfaces for damage and check for any loose bolt 6 Check tracks and track shoes for presence of slip check track carrier rollers idling device and sprocket for presence of damage and wear and check for loose bolt 7 Check traveling motor for oil leakage 8 Check shelter and guard plates for damage...

Page 118: ...ndling the coolant antifreeze ensure to wear goggles and gloves In event of splashing of coolant antifreeze into your eyes or onto your skin clean by clean water immediately Otherwise it will cause injuries 1 Open the engine hood 2 Check the coolant level in the water tank 1 The coolant level shall be within upper limit and lower limit If below the lower limit add coolant Adding 5 17 1 Take out th...

Page 119: ...and lower limit of oil dipstick 1 Both excessive and insufficient oil levels will cause malfunction 3 Tighten the oil filler cap 2 4 Start the engine run at low idling speed for 5min and then stop the engine 5 Check the oil level after approximately 10min Checking of fuel level Warning Do not smoke or use open fire while handling fuel or performing the operations of fuel system Do not disassemble ...

Page 120: ...g with the oil temperature Maintain the machine and check the fuel status by the posture shown in the diagram below 5 19 Posture of machine for checking of hydraulic oil level 1 Start the engine and run at low speed 2 Fully extend the track width 3 Fully retract the cylinders Bucket arm and bucket cylinders and lower the bucket onto the ground 4 Lower the bulldozing blade and then stop the engine ...

Page 121: ...he engine hood 2 Slowly loosen the bleeding plug 2 to relieve the internal pressure and then take out the plug 3 Add hydraulic oil till the oil level is in the middle of level gauge 1 4 Pressurize the hydraulic oil tank as shown in diagram below Add hydraulic oil Note For machines equipped with a ventilator there is no need to pressurize Pressurization of Hydraulic Oil Tank 1 Start the engine and ...

Page 122: ... 10h Lubrication of Working Device 1 Maintain the machine under the status shown in above diagram lower the working device to the ground and then stop the engine 2 Lubricate the grease fitting by a grease gun 3 Wipe away excessive grease 5 21 ...

Page 123: ...5 22 Records ...

Page 124: ...ing of battery overheating of engine or earlier wear of belt The over tight belt will damage the water pump or bearing and alternator drive belt Important Keep the belts away from all greases Checking 1 Lift up and open the machine cover 2 Check the tension Approximately 98N based on the centers of fan pulley 1 and alternator pulley 2 3 Check the fan belt 3 Upon detection of any of following condi...

Page 125: ...lockwise Reduce tension Counter clockwise 3 Tighten bolt 5 and lock nut 4 Note After the replacement with new belt run the engine at low idling speed for approximately 3 5min to run in new belt and then adjust the tension Replacement of engine oil and filter Refer to page 5 30 Replacement of engine oil and filter 5 24 ...

Page 126: ...r high pressure If the tension is not adjusted by the following designated procedure the grease relief valve will probably fly out to cause injuries Never loosen the grease pipe fittings Slowly loosen the grease relief valve Do not rotate it for 1 turn Do not place your face arms legs or body in front of the grease relief valve If no grease flows out when the grease relief valve is loosened the va...

Page 127: ...ricating grease via the grease fitting 3 of grease relief valve 2 3 Check the track tension Reduce tension 1 Remove the cover plate 2 Slowly loosen by one turn the grease relief valve 2 by a wrench to drain the grease If it s difficult to drain the grease drive the machine back and forth 3 Tighten the grease relief valve 2 Tightening torque 177 N M Lubricate slewing support and slewing motor gears...

Page 128: ...bearing and grease pipe Water drainage from fuel tank Warning Do not smoke or use open fire while handling fuel or performing the operations of fuel system Do not disassemble the fuel tank cap or refuel while the engine is running or is not cooled down Do not splash fuel to any high temperature surface of machine Refuel the fuel tank in a well ventilated place Do not top up the fuel tank Leave an ...

Page 129: ...ttery when the electrolyte level is below the lower limit Otherwise it will speed up the internal aging and shorten the life of battery In addition it can lead to burst explosion The battery can generate inflammable hydrogen to probably cause explosion Keep away from fire sources including open fire spark and ignited cigarette Clean the area above electrolyte level marking by a wet cloth and check...

Page 130: ...a lot of water Checking 1 Open the maintenance cover 2 Check the fluid level The fluid level must be between upper limit H and lower limit L If not add distilled water till the fluid level reaches upper limit H 3 Check terminals for looseness and contamination 5 29 Adding If the adding of distilled water is required add water before start of operations in order to prevent freezing 1 Take out the c...

Page 131: ...engine hood and take out the oil filler port 2 5 30 3 1 Open the engine cover and remove the fuel filler opening 2 2 Place a tray under the drain plug 3 for the waste oil 3 Remove the oil drain plug 3 to drain the oil Important Check for metal powder in the waste oil If it contains a large amount of metal powder please consult your sales or service agent 4 Press the oil drain plug 3 and tighten it...

Page 132: ...hing them will cause scalding While using compressed air please wear necessary protection appliances including goggles and filtration mask as the metal fragments and other objects will splash to cause accidents of serious harms Important Take cautions not to scratch the filter element Do not use any damaged filter element Important During the operations under dusty environment please daily fulfill...

Page 133: ...e accelerator joystick and the speed regulator on the engine side are connected by wiring Check the wires at their fixing positions for presence of stretching and looseness l If the wires at their fixing positions are stretched or loose there probably has a malfunction l The replacement and adjustment of wires require experiences Please ask your sales or service dealer for operations Cleaning of r...

Page 134: ...ne in a well ventilated place and wait for the machine to cool down before maintenance Any overflown fuel shall be wiped away immediately 1 Open the engine hood 2 Rotate the filter 1 counter clockwise by a filter wrench to take it out 3 Clean the mounting surfaces of filter housing 4 Apply a thin film of fuel to the washer of new filter housing 5 Manually install new filter 6 After the filter wash...

Page 135: ...5 34 Records ...

Page 136: ...Otherwise the ingress of dusts into the cylinders will damage the engine 1 Open the engine hood 4 Take out the primary filter element 3 5 Cover the inlet and outlet on the back of body 4 by cloth or tape to guard against ingress of dusts 6 Clean the inside of housing 4 7 Remove the cloth or tape used in step 5 8 Install new filter element 9 Install the dust collector 2 by facing upward the TOP and...

Page 137: ... engine immediately when necessary This operator must pay special attention not to touch any joystick or pedal unless it s absolutely necessary The other operator for the maintenance must keep the body and clothing away from motion parts of machine While the engine is running it s really dangerous standing behind the machine as the machine probably moves suddenly While the engine is running never ...

Page 138: ...er the attached operation instructions of 5 37 the detergent 10 Repeat steps 4 8 to clean the cooling system 11 Tighten the water drainage plug 4 12 Add new coolant Mixture of antifreeze and running water through filler port to the radiator till the radiator is full Add the coolant slowly and easily 13 Install the radiator cap 3 14 Warm up the engine Use instruments to check the cooling system for...

Page 139: ...5 38 Records ...

Page 140: ... Engine Fuel Injector Nozzles These operations require experiences Please ask your sales or service dealer for operations Checking of Crankcase Ventilation Hole System These operations require experiences Please ask your sales or service dealer for operations 5 39 ...

Page 141: ...embling cap or filter or disconnecting pipeline before the pressure relief of hydraulic system will probably result in out spray of hydraulic oil Slowly loosen the bleeding plug to relieve the pressure of oil tank While disassembling connector or plug or disconnecting hose stand on one side loosen slowly to gradually relieve internal pressure and then take out 1 Adjust the machine to the hydraulic...

Page 142: ...uipped 12 Install the suction filter element 2 on the flange 1 13 Install the flange 1 back to its original position 14 Tighten the oil drain plug 3 15 Remove the rubber plug 6 16 Fill the rubber tube 5 with hydraulic oil to the center of the round oil mark 17 Install the hose back to the original position of the flange 1 and tighten it 18 Pressurized hydraulic oil tank If not equipped with a brea...

Page 143: ...serious personal harms While hammering hard metal parts such as tooth pins bucket teeth side teeth and bearings please wear protective articles including goggles and gloves While hammering tooth pins and bucket teeth ensure there is no person in surrounding area During operations the non authorized personnel are prohibited to access the workingzone 5 42 Installation 1 Clean the area for installati...

Page 144: ...ork and keep contact with each other One operator must sit in the driver seat to get ready to stop the engine immediately when necessary This operator must pay special attention not to touch any joystick or pedal unless it s absolutely necessary The other operator for the maintenance must keep the body and clothing away from motion parts of machine During the use of hammer the pins and the metal f...

Page 145: ... a hammer to knock the tooth pin 2 off the bucket 5 Remove the bucket Installation 1 Align the pin hole A on the bucket with the pin hole on the stick install the tooth pin and the fastening nut 2 2 Operate the cylinder align the pin hole B on the bucket with the pin hole on the connecting rod and install the tooth pin and the fastening nut 5 44 Disassembling Ⓑ Lubrication of Joysticks and Pedals ...

Page 146: ... is stretched and non adjustable please replace the track 1 Handle If the height A is 5mm replace 2 Wire rope 5 45 If two or more segments of the wire rope are exposed please replace If more than half of the side face of wire rope is cut please replace 3 Metal core Replace even if only one metal core fallsoff 4 Rubber If the cracking length is 60mm repair If the wire rope is visible repair as soon...

Page 147: ...solutely necessary The other operator for the maintenance must keep the body and clothing away from motion parts of machine Disassembling 1 Completely loosen the tension of rubber tracks Refer to page 5 25 Check and adjust track tension l If it s necessary to operate beneaththe 5 46 Replacement of Rubber Tracks 2 Lift the machine body by working device 3 Place a steel tube 1 in the rubber track an...

Page 148: ... off the pensioner and then stop the rotation of sprocket 5 Slide inward the rubber track to install it onto the pensioner and then pull out the steel tube 6 Check rubber track for secure installation on sprocket and pensioner 7 Tension the rubber track to standard tension Refer to the Checking and adjustment of track tension in page 5 26 for details 8 Install the other rubber track by same proced...

Page 149: ...8 Disconnect the negative cable of battery and cover the battery to guard against freezing During Parking Warning Do not operate the machine in an enclosed place with poor ventilation If the natural ventilation is not possible install ventilation fan fan extended exhaust pipe or other ventilation device 1 To prevent rusting operate the machine once a month to circulate the oil throughout whole sys...

Page 150: ...ubrication system of engine 2 Get ready the fuel system 3 Start the engine Idle the engine for approximately 15min and then Check for normal oil pressure Check for leakage of fuel engine oil and coolant and check indicator lamps and or level gauge for normal functioning 5 Avoid operating for a long time at minimum or maximum engine speed or operating the loaded residue within the first loading hou...

Page 151: ...Troubleshooting 6 1 ...

Page 152: ... reach a nearly horizontal position its movement speed will drop shortly A noise of slewing motor can be heard at the start and end of slewing 6 2 A noise of traveling motor can be heard when the machine stops suddenly during high speed traveling A noise of control valve can be heard when the working device is subject to excessive external force or moves to the end of travel The operations of the ...

Page 153: ...achine on a safe place 2 Check whether the steam overflows from the closed engine hood or machine hood 3 If the steam overflows from engine compartment immediately stop the engine and contact your sales or service dealer for repair If no steam overflows run the engine at low idling speed to cool down the coolant 4 When the water temperature is less than 105 C turn off the engine 5 After the engine...

Page 154: ...ve terminal During disconnection firstly disconnect the cable from negative terminal Connect the last clamp of jumper cable to a point as far as possible from the battery cable to start engine Important The jumper cable and clamps in use shall be suitable to the battery capacity Do not use any damaged or corroded jumper cable or clamp Important Ensure the same capacity for the battery on the rescu...

Page 155: ...on of Jumper Cable After the successful start of the engine of malfunctioned machine disconnect the jumper cable in reverse sequence of the connection procedure Battery ofrescue machine Battery of malfunctioned machine To engine block 6 5 1 Disconnect the clamp of jumper cable B from the engine support of malfunctioned machine 2 Disconnect the other jumper cable B from the charger 3 Disconnect the...

Page 156: ... the consultation is required please contact your sales or service dealer 1 Open the fuse case cover 1 2 Check fuses for burnout 3 If a fuse is burnt please replace with spare fuse of same specification Layout and protected circuits of fuses 1 Rotate the starter key to OFF to stop the engine 2 Open the engine hood 6 6 Burnout Normal Current Circuit 20A Rectifier 30A Start signal 30A Electric lock ...

Page 157: ...vice cover and check If the fuse has blown please contact your sales or service agent Note The fuse is a large fuse used in high current applications Like ordinary fuses they function as fuses protecting electrical components and wiring from damage caused by excessive current Precautions for external maintenance power supply Note The external power supply is limited to 12V15A Can not be charged ...

Page 158: ...ine stops due to shortage of fuel please add fuel rotate the key to ON for 60s and then rotate it to START position Running the starter motor for a long time before the supply of sufficient fuel will cause start failure of starter 1 Add fuel 2 Turn the starter key to the ON position and hold it for about 60 seconds Note The air content in the fuel system will cause start failure or other problems ...

Page 159: ... is a problem with charging If the light continues to flash after maintenance there may be a problem with the charger If you need help please consult your sales or service agent Engine oilpressure indicator lamp The engine lubrication system is internally malfunctioned Check the engine oil level If this lamp flashes when the oil level is normal or still flashes after adding of oil please consult w...

Page 160: ...er release the safety lock lever Please refer to page 2 11 Not enough digging power l Hydraulic oil level is too low l The hydraulic oil is not hot enough l Air filter is clogged l Incorrect hydraulic oil type l Add to the specified liquid level Please refer to page 5 17 l Clean the air filter Please refer to page 5 27 l Replace hydraulic oil Please refer to page 5 34 Unable to walk or inflexible ...

Page 161: ...8 l Drain the water Please refer to pages 5 24 Tracks fall off l Tracks are too loose l Increase the tension Please refer to page 5 21 The engine emits black smoke from time to time l Air filter is clogged l Clean the air filter Please refer to pages 5 27 Engine exhausts white or blue smoke l Too much oil l Inferior fuel l Adjust to the specified liquid level Please refer to page 5 16 l Change the...

Page 162: ...portant Do not tow the machine when the engine is not started or the machine is not running Otherwise the towed machine will probably be damaged Important Please ensure to abide by the following procedure when the machine is towed by traction hole The negligence of any of following steps will probably damage the traction hole or other framework part Towing of Machine Use the following procedure to...

Page 163: ...Parameters 7 1 ...

Page 164: ... ability 30 30 Track sub assembly Ground pressure k Pa 31 56 31 67 Material Rubber Rubber Tension control type Tightening cylinder Tightening cylinder Type of pump gear pump gear pump Fuel oil fluid pressure and capacity Working pressure Mpa 16 16 Flow L min 16 25 16 9 Hydraulic oil tank capacity L 16 16 Fuel tank capacity L 11 11 All ratings of the machine are obtained when the machine is operati...

Page 165: ...k 910 b Overall length of crawler 1235 c Ground clearance of platform 460 d Tail slewing radius of platform 660 e Chassis width 800 950 f Track width 180 g Track height 320 h Transport length 2170 2850 i Ground clearance of seat 1520 j Overall height 2270 m Boom slewing right 50 n Boom slewing left 55 7 3 ...

Page 166: ...g radius 3040 B Maximum digging radius 3135 C Maximum digging depth 1580 D Maximum digging height 2620 E Maximum Dump height 2000 F Maximum vertical digging depth 1580 G Minimum slewing radius 1510 H Maximum lifting height of bulldozing blade 140 I Maximum digging depth of bulldozing blade 200 7 4 ...

Page 167: ...Parameters Lifting power 7 5 ...

Page 168: ...7 6 Records ...

Page 169: ...Accessories 8 1 ...

Page 170: ...easures please follow the instructions of the signaler If it s necessary to place temporarily heavy weights or accessories onto the ground during disassembling or installation please ensure to place them in a steady place During lifting keep all personnel away from working zone There is probablya danger of object falling or contact with personnel in the working zone Use a crane to move heavy weigh...

Page 171: ...perations otherwise it will be extremely dangerous Driving down a steep slope with attachment lifted Driving laterally on a steep slope Slewing on a steep slope If a heavy attachment is installed while stopping the machine the impulsion force of the machine will be larger than usual value before the complete stop Please carefully take the distance into consideration to prevent impact against surro...

Page 172: ...evice is heavily loaded Especially do not slow laterally on a slope 2 For a machine with installed breaking hammer or grinder the attachment is heavier than the installed standard bucket Do not operate this machine laterally especially during the down slope digging Please carefully take the distance into consideration to prevent impact against surrounding objects of machine and keep a safe spacing...

Page 173: ...ery Otherwise it will probably cause safety issues or cause adverse influence on operations or life of machine Ken stone Heavy Machinery will not be liable for any injury accident or product damage arising from the use of non approved attachments If a bucket in width of 450M installed the swing stop block must be installed If no swing stop block is installed it will probably result in impact of bu...

Page 174: ...h 800mm will probably result in rollover of machine due to poor stability If it s necessary to operate the machine with narrow track width 800mm retract the bucket working device and lower the boom to reduce the gravity center and face the machine towards front before traveling While operating the optional products such as breaking hammer tipping bucket and grab bucket ensure that the track width ...

Page 175: ... the working face l During the crushing operations appropriately aim the hammer head at the object to be crushed and avoid the air impact l Do not pry by hammer head or pry during breaking l Do not move the hammer head during crushing l Do not impact one same surface continuously for 30s l Do not crush when the cylinder is fully extended or retracted at travel end Reserve at least 50mm travel 8 7 ...

Page 176: ...t of Hydraulic Oil With installed hydraulic breaking hammer the hydraulic oil deteriorates faster than the normal operations Ensure to replace the hydraulic oil and oil return filter element The failure to replace timely will result in damage of machine and breaking hammer hydraulic system To prolong the life of hydraulic system ensure to replace the hydraulic oil and oil return filter element aft...

Page 177: ...l Products Hydraulic Breaking Hammer For the use of common anti wear hydraulic oil Breaking hammer operating ratio Filter element replacement period Hydraulic oil replacement period Replacement period Hour 8 9 ...

Page 178: ...8 10 Records ...

Page 179: ...Optional accessories Auger Ripper Quick hitch Thumb part Grab Rake Digging bucket 200mm 300mm 500mm 600mm 700mm 800mm 900mm Tilt bucket 600mm 800mm 8 11 ...

Page 180: ...Optional accessories Canopy 8 12 ...

Page 181: ...Parts number position Upper frame number 20060001 8 13 ...

Page 182: ...ation in this manual is subject to change without notice Version 1 December 2021 SHANDONG KEN STONE HEAVY MACHINERY CO LTD ADD DINGYUANZHAI INDUSTRIAL PARK GUAN COUNTY SHANDONG PROVINCE POST CODE 252512 SERVICE LINE 86 635 8362550 Editor Hongrui Zhang 2021 12 ...

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Kubota XN12-8, Operation Manual

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