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TMG -MVE12 Product Manual

1200kg mini compact excavator
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TMG-MVE12
PRODUCT MANUAL
v2023.12.22
1200KG MINI
COMPACT EXCAVATOR
Please read and understand the product manual completely before assembly
Check against the parts list to make sure all parts are received
Wear proper safety goggles or other protective gears while in assembly
Do not return the product to dealer. They are not equipped to handle your requests.
Missing parts or questions on assembly?
Please call: 1-877-761-2819 or email: cs@tmgindustrial.com

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  • Page 1 TMG-MVE12 PRODUCT MANUAL v2023.12.22 1200KG MINI COMPACT EXCAVATOR Please read and understand the product manual completely before assembly Check against the parts list to make sure all parts are received Wear proper safety goggles or other protective gears while in assembly Do not return the product to dealer.

  • Page 2: Signal Words

    SAFETY WARNING SIGNS This sign denotes a safety warning. The information behind the sign include important safety information. Please read and understand this information to prevent personal injuries or deaths. The machine owner or employer is responsible for instructing every operator to operate all equipment correctly and safely in detailed manner.

  • Page 3: Introduction

    INTRODUCTION Foreword This manual describes the operations, checking, and maintenance of this machine and the safety descriptions to be observed during operations. Should you have any doubt, please contact a dealer or service provider of Ken stone Heavy Machinery. ● In some details, this manual probably differs from the manual attached on the machine in use. ●...
  • Page 4 Product Features ● Small size, flexible operation ● Can be equipped with 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.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS Signal words.................................2 Introduction................................3 Safety..................................8 General Precautions..................................8 Precautions during Preparations..............................11 Safety Measures at Start ................................12 Operation Precautions..................................13 Precautions for Parking................................18 Precautions during Transport...............................19 Precautions for maintenance...............................20 Safety Signs....................................26 Controls................................28 Component Name..................................2 Start key, Maintenance cover...............................30 Fuse case, Fuel filling port, Seat..............................30 Electrical control panel.................................31 Switches.......................................32 Joysticks and Pedals..................................33...
  • Page 6 Every 2000h....................................77 As accessory....................................78 Maintenance during Long-Time Parking............................81 Troubleshooting..............................82 Symptoms that are not malfunctions............................82 Engine Overheating..................................82 No Battery Power..................................83 Burnout of Fuse...................................84 Restart after Refueling.................................85 Flashing of Warning Lamps.................................85 Other Symptoms..................................86 Towing......................................87 Parameters................................88 Basic Parameters..................................88 Overall Dimensions of Machine..............................88 Operating Range..................................89 Lifting power....................................89 Accessories.................................90 General Safety Measures................................90...
  • Page 7 Exploded View--Upper Frame Assembly-1 (Swing Cylinder).....................103 Parts List--Upper Frame Assembly-1 (Swing Cylinder)......................103 Exploded View--Diesel Fuel Tank Assembly..........................104 Parts List--Diesel Fuel Tank Assembly............................104 Exploded View--Fuel Oil System..............................104 Parts List--Fuel Oil System................................104 Exploded View--Cooling System..............................105 Parts List--Cooling System ...............................105 Exploded View--Air Intake System.............................105 Parts List--Air Intake System..............................106 Exploded View--Exhaust System...............................106 Parts List--Exhaust System...............................106...

  • Page 8: Safety

    SAFETY GENERAL PRECAUTIONS You are liable to abiding by the safety laws and regulations of relevant departments and fulfilling the operations, checking, and maintenance of machine. As a matter of fact, all accidents are caused by the non-compliance with basic safety rules and precautions. Most accidents can be avoided by authenticating the potential dangers in advance.
  • Page 9 No Disassembling of Safety Devices ● Please ensure that all guardrails, shelters, and doors are installed properly and securely. Before operating the machine, please repair or replace damaged parts. ● Know how to use safety lock handle, seat belt, and other safety devices and understand the correct operation methods.
  • Page 10 ● Fire accident caused by pipelines: Ensure that the clamps, protection devices, and cushion pads of hoses and pipes are securely fixed. In event of looseness, the hoses and pipes will be damaged due to vibration or contact with other parts during operations.

  • Page 11: Precautions During Preparations

    PRECAUTIONS DURING PREPARATIONS Understanding of working zone Before starting operations, understand the situation of working zone to ensure safety. ● Check the terrain and ground situation of working zone. For indoor operations, check the building structure and when necessary take safety measures. ●...

  • Page 12: Safety Measures At Start

    SAFETY MEASURES AT START Safety measures when starting Support your body weight by three-point safety posture while getting on/off the machine. ● Do not jump on or off the machine. Do not attempt to get on or off a moving machine. ●...

  • Page 13: Operation Precautions

    OPERATION PRECAUTIONS Operating Machine with Maximum Track Width Always operate the machine with extended track width of 950mm, in order to improve the machine stability to the maximum extent. Operating the machine with narrow track width (800mm) will probably result in rollover of machine due to poor stability.
  • Page 14 Avoid driving over obstacles whenever possible. If it’s necessary to drive over obstacles, keep the bucket operating device near the ground and travel at low speed. Do not drive over any obstacle that will incline the machine by 10° or larger. On rugged roads, drive the machine at low speed and avoid the sudden startup, stop, and direction change.
  • Page 15 No Movement of Bucket over Personnel Moving the bucket over the personnel has a danger of splashing of loaded material or the sudden falling of bucket. Guarantee of Driver’s Safety during Loading Do not load before the driver reaches a safe place. Do not swing or position bucket above personnel or cab.
  • Page 16 Keep away from unstable ground (Cliffs, road curbs, and deep ditches). If the ground collapses due to machine weight or vibration, there is a possible danger of machine falling or rollover. Please bear in mind that the soil turns infirm after heavy rain or explosion. The ground on the top of embankment and the ground around and on top of the dug ditches are also infirm.
  • Page 17 Please pay attention to the objects above your head During operations under bridges, in tunnels, near cables, or indoors, guard the boom and bucket arm against impact with any overhead object. Not Designed for Lifting Application This machine is specially designed for digging operations. Therefore, it’s not installed with safety devices for lifting operations.

  • Page 18: Precautions For Parking

    PRECAUTIONS FOR PARKING Safe parking ● Stop the machine on a level, solid, and safe ground. Set the parking device. ● If it’s necessary to park the machine or tilt the machine on a slope, securely park the machine and block the machine 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.

  • Page 19: Precautions During Transport

    PRECAUTIONS DURING TRANSPORT Safe loading/unlocking of machine Fix to suspension parts The machine will probably roll over or fall off during loading and unloading. Ensure to take the following safety measures: Ramp Select a solid and level ground and keep a sufficient spacing from the road curb. Stop block Fix the ramps of sufficient strength and dimensions to the cargo body of truck.

  • Page 20: Precautions For Maintenance

    PRECAUTIONS FOR MAINTENANCE Warning Information of “No Operation” Sign During the checking or maintenance of machine, the start of engine or the touch of any joystick by non-authorized personnel will probably result in serious injury accidents. Before maintenance, please stop the engine and withdraw and carry the key. Affix warning information “No Operation ”...
  • Page 21 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. Keeping Away from Motion Parts Keep away from all rotating and motion parts.
  • Page 22 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, or hose, otherwise it will probably result in burst. Re-tighten any loose connector.
  • Page 23 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. ●...
  • Page 24 ● Do not fill the distilled water till the level is above the upper limit. Otherwise the 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.
  • Page 25 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, solvent, filter, and battery, please abide by the applicable laws and regulations. Disposal of Harmful Chemicals The direct contact with harmful chemicals will cause serious harms.

  • Page 26: Safety Signs

    SAFETY SIGNS To guarantee the safety of operator and operation personnel in the working zone, please set up the following safety signs (markings) at some portions of machine. Walk around the machine with this manual and observe the contents and placement locations of these safety signs.
  • Page 27 CAUTION DANGER The hydraulic oil tank must contain a certain ● Work ranges it pressure to prevent damaging the water stand people to pump. Refer to the instructions on the forbid operation manual. (10) (11) (12) (13) (14) (15) (16) (17) (18) (19)

  • Page 28: Controls

    CONTROLS COMPONENT NAME Up frame Chassis Working device 1. Seat 5. 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.
  • Page 29 Left joystick Pedal for hydraulic circuit Right joystick Lighting switch Left traveling lever 10. Water temperature meter Right travelinglever 11. Warning sign Bulldozer blade lever 12. hour meter Boom swing lever 13. Throttle lever Pedal for telescopic track Start switch Safety lock handle The specific configuration depends on the machine specification or selected product.

  • Page 30: Start Key, Maintenance Cover

    START KEY, MAINTENANCE COVER Start Key The start key is used to start the engine. Maintenance cover CAUTION Before opening the access panel, ensure that the safety lock handle is at locking position and the engine is stopped. When opening or closing the service cover, please be careful not to pinch your hands or other parts of your body.

  • Page 31: Electrical Control Panel

    SEAT WARNING Adjustment and Fixing of Seats (For high-end seats only) A. Adjust the backrest angle 1. Stand up straight and sit back on the seat. 2. Adjust the backrest to the angle you want by rotating the handle (1). B.

  • Page 32: Switches

    Precautions This instrument is a water-proof instrument, featuring stable performance and high conciseness and elegance, and is an intelligent instrument developed specially for small excavators. To guarantee the stable data and prolong the life of instrument, please notice the following issues: 1.

  • Page 33: Joysticks And Pedals

    JOYSTICKS AND PEDALS Safety lock handle WARNING ● Before standing up from the driver seat to adjust the operator’s seat, lower the working device to the ground, lift up the safety lock handle to lock it, and stop the engine. When the safety lock handle is lowered down (Unlocked), the accidental touch of any joystick will result in sudden movement of machine and cause serious injuries or deaths.
  • Page 34 Traveling Joystick 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.

  • Page 35: Accessory

    ACCESSORY Auxiliary hydraulic pipeline (If installed) WARNING Disconnecting the pipelines before the pressure relief of hydraulic system will probably result in out-spray of hydraulic oil. ● After the stop of engine, immediately press all auxiliary hydraulic pedals and 2nd auxiliary switch for several times to relieve the pressure in the auxiliary hydraulic circuit.

  • Page 36: Operations

    ● Press the lamp switch and check and ensure that the boom lamp turn on. If a lamp fail to turn on or a warning lamp fails to sound, the lamp bulb or wire is Probably damaged. Please contact TMG INDUSTRIAL service agent for repair.
  • Page 37 Start of Engine WARNING ● Keep all personnel away from working zone. ● Sound the horn to alert the personnel around machine. Important: Do not run the starter motor continuously for >15s. If the engine fails to start, wait for 60s and then attempt to restart the engine.

  • Page 38: Operations Of Machine

    Stop of Engine Important: Do not stop the engine suddenly under heavy 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.
  • Page 39 Drive leftward Drive rightward Extending track Back up to left Back up to right Retracting track Extend arm Lower boom Safety lock locked Retract arm Lift boom Safety lock unlocked Slew leftward upper Load bucket frame Throttle control Slew rightward Dump bucket upper frame Swing leftward the...
  • Page 40 5. Drive forward and backward slowly for several times. Warm-up in Cold Weathers 1. Fulfill the normal warm-up procedure. 2. Operate the bucket cylinder to an end and hold. Do not hold at this position more than 30s. 3. Repeat step 2, till the running speed 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.
  • Page 41 3. Lift the cover of the left foot pedal to the inside, unlock the foot pedal, and then step on the pedal in the forward direction A to extend the crawler to the maximum width of 950 mm. 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 42 When the bulldozing blade is in the rear of cab: To drive forward: Pull backward the joystick. To drive backward: Pull forward the joystick. 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 to operate the left traveling lever.
  • Page 43 Operations of Working Device WARNING ● Before starting operations, please carefully check and confirm the joystick mode to be used. ● The descriptions in this manual use the ISO mode of machine. Use the right joystick to control the boom and bucket. Use the left joystick to operate the arm and slewing.

  • Page 44: Operations Of Procedures

    Operations of Bulldozing Blade Lower bulldozing blade: Push this lever forward. Raise bulldozing blade: Pull this lever backward. OPERATING PROCEDURES Prohibited Operations WARNING ● Do not operate on a bed rock (hard or soft). ● Do not slew during the traveling. If it’s necessary to operate the bucket working device during traveling, operate at sufficiently low speed to ensure the complete control at all times.
  • Page 45 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 the rock into small pieces by breaking hammer before digging.
  • Page 46 Caution of Downward Digging with Bulldozing Blade This bulldozing blade is designed for simple bulldozing operations. Do not use the bulldozing blade for deep digging. Otherwise, the bulldozing blade and the under frame will probably be damaged. Precautions for Operations Precautions during Traveling Driving the machine over obstacles (Including rocks and stumps) will probably apply high load onto the machine body and damage the machine.
  • Page 47 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.
  • Page 48 If both tracks are stuck in the mud 1. Operate above-mentioned steps 1~4 for both tracks. 2. Insert the bucket into the ground 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.

  • Page 49: Parking Of This Machine

    PARKING OF THIS MACHINE Parking WARNING ● Stop the machine on a level, solid, and safe ground. Set the parking device. ● If it’s necessary to park the machine or tilt the machine on a slope, securely park the machine and block the machine against movement. ●...

  • Page 50: Treatment In Cold Weather

    TREATMENT IN COLD WEATHERS Preparations for Cold Weathers It’s difficult to start the engine in cold weathers. Replacement of Fuel and Lubricants Replace the hydraulic oil, engine oil, and fuel with trademarks suitable to cold weathers. Refer to page 57 “Fuel and Lubricant Table”. Battery The battery performance deteriorates along with the reduction of temperature.
  • Page 51 ● Keep the tracks away from the adhesion of fuel, lubricating oil, salt, and chemical solvent. These substances will probably corrode the welds of track steel cores to cause rusting or falloff. Such substances adhered onto the tracks shall be immediately removed by water.
  • Page 52 ● Please avoid driving the machine with one track on a slope or protrusion and the other track on level surface (In such case, this machine is inclined by 10° or more). Please drive the machine with both tracks on level surface. ●...

  • Page 53: Transportation

    TRANSPORTATION LOADING AND UNLOADING WARNING The machine will probably roll over or fall off during unloading. Ensure to take the following safety measures: ● Select a solid and level ground and keep a sufficient spacing from the road curb. ● Fix the ramps of sufficient strength and dimensions to the cargo body of truck. The inclination of the ramps shall not exceed 15°.

  • Page 54: Lifting Of Machine

    LIFTING OF MACHINE WARNING ● Master and use the correct lifting signals. ● Daily check the lifting device for damaged and missing parts and when necessary replace. ● Please use the ropes of sufficient capacity for the machine weight during lifting. ●...

  • Page 55: Fixing Of Machine

    FIXING OF MACHINE After loading the machine to designated position, fix as per following requirements. Transport Status 1. Lower the bulldozing blade. 2. Sufficiently extend the bucket cylinder and bucket arm cylinder and then lower the boom. 3. Lift up the safety lock handle to the locking position. 4.

  • Page 56: Maintenance

    MAINTENANCE OVERVIEW Maintenance Overview To maintain the good status and long-term serviceability of the machine, please fulfill the checking and maintenance correctly and safely abide by the procedures recommended by this manual. Based on the total operating time of the machine, the checking and maintenance items can be divided into several groups: Every 10h (Walk-around checking and daily routine checking), every 50h, and every 250h.

  • Page 57: Service Data

    Seal Rings and Split Pins Seal Rings ● Ensure to replace all disassembled seal rings and split pins with new ones. ● Take cautions not to damage or twist any seal ring during installation. ● While wrapping the screw plug with seal ring tape, thoroughly remove the used seal ring tap from the threads and clean the threads.
  • Page 58 To maintain the performance and life of engine, please always use clean and high-quality fuel. ● To prevent freezing in cold weathers, please choose diesel still suitable when the actual temperature is less by at least 12℃ than the expected minimum outside temperature. ●...
  • Page 59 Periodical Replacement of Hydraulic Oil With installed hydraulic breaking hammer, the hydraulic oil deteriorates faster than the common digging 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 lives of hydraulic devices, please timely replace the hydraulic oil and oil return filter element as per the table below.
  • Page 60 List of Tools(If installed) List of tools Name and specification Unit Quantity Remark Tool box Socket hex. wrench (4mm) piece Socket hex. wrench (5mm) piece Socket hex. wrench (6mm) piece Socket hex. wrench (8mm) piece Socket hex. wrench (10mm) piece Socket hex.
  • Page 61 Table of Tightening Torques Nuts and Bolts (Grade ISO10.9) Unless otherwise specified, tighten the nuts and bolts to the torques listed in table below. ● The tightening torques for installation of plastic caps are not listed in the table below. To understand more details, please consult with your sales or service dealer.

  • Page 62: Critical Safety Parts

    CRITICAL SAFETY PARTS To operate the machine safely, please fulfill the periodical checking and maintenance. The following critical safety parts shall be replaced periodically to improve safety.These parts can cause serious injuries or fire accident if they are damaged. List of Critical Safety Parts Vehicle body Periodically replaced critical safety part Replacement period...

  • Page 63: Maintenance List

    MAINTENANCE LIST Checking and maintenance item Page Walk-Around Checking Opening of engine hood and machine hood for checking Walk-around checking of machine Checking in driver seat Daily routine checking (Every 10h) Checking and adding of coolant Checking and adding of engine oil Checking of fuel level Checking of hydraulic oil tank oil level and adding of oil Lubrication of Working Device...

  • Page 64: Walk-Around Checking

    WALK-AROUND CHECKING Fulfill the following checking before the first start of engine each day. WARNING ● Before operations, fulfill the walk-around checking and when necessary repair immediately. ● 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.

  • Page 65: Daily Routine Checking (Every 10H)

    DAILY ROUTINE CHECKING (EVERY 10H) Fulfill the following checking before the first start of engine each day. WARNING ● Before operations, fulfill the daily routine checking and when necessary repair immediately. ● 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.

  • Page 66: Checking Of Fuel Level

    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 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.

  • Page 67: Lubrication Of Working Device

    Pressurization of Hydraulic Oil Tank 1. Start the engine and run at low speed. 2. Disassemble the bleeding plug (2) and set the safety lock handle to unlocking position. 3. Fully extend the bucket, bucket arm, boom, swing, and span cylinders. 4.

  • Page 68: After First 50H (For New Machine Only)

    AFTER FIRST 50H (FOR NEW MACHINE ONLY) Checking and adjustment of fan belt WARNING Please stop the engine and wait for the machine to cool down before maintenance. . ● The engine, exhaust pipe, radiator, hydraulic pipes, sliding parts, and many other machine parts are really hot when the engine is just stopped.

  • Page 69: Every 50H

    • 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 valve is malfunctioned. Please contact a TMG INDUSTRIAL service dealer for repairs.

  • Page 70: Lubrication Of Slewing Support And Slewing Motor Gears

    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). •...

  • Page 71: Checking Of Battery Electrolyte Level And Adding Of Electrolyte

    Checking of battery electrolyte level and adding of electrolyte DANGER ● Do not use the battery 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). ●...

  • Page 72: Every 250H

    EVERY 250 HOUR Checking and adjustment of fan belt Replacement of engine oil and filter WARNING Please stop the engine and wait for the machine to cool down before maintenance. . ● The engine, exhaust pipe, radiator, hydraulic pipes, sliding parts, and many other machine parts are really hot when the engine is just stopped.

  • Page 73: Checking Of Accelerator Control System

    1. Open the engine hood. 2. Loosen the clamp (1) and take out the dust collector (2). 3. Clean the inside of dust collector (2). 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.

  • Page 74: Replacement Of Fuel Filter

    Replacement of Fuel Filter WARNING ● Do not smoke or use open fire while handling fuel or performing the operations of fuel system. ● Stop the engine in a well-ventilated place and wait for the machine to cool down before maintenance. ●...

  • Page 75: Every 1000H

    EVERY 1000H Replace the air filter WARNING Please stop the engine and wait for the machine to cool down before maintenance. . ● The engine, exhaust pipe, radiator, and many other machine parts are really hot when the engine is just stopped. Touching such parts can cause scalding.

  • Page 76: Every 1500H

    1. Open the engine hood. 2. Slowly loosen the radiator cap (3) to relieve the internal pressure and then take out the cap. 3. Place a tray beneath the water drainage plug (4) to collect the used coolant and then loosen the water drainage plug (4) to drain the coolant.

  • Page 77: Every 2000H

    EVERY 2000H Connection of Engine Valve Seats These operations require experiences.Please ask your sales or service dealer for operations. Replacement of Hydraulic Oil and Cleaning of Oil Suction Filter Screen WARNING ● Please stop the engine and wait for the machine to cool down before maintenance. . •...

  • Page 78: As Accessory

    AS ACCESSORY Replace bucket teeth Replace the bucket teeth when the tooth sleeves are worn. Do not wait for the bucket to be damaged before replacement. WARNING ● Before the maintenance or repairs beneath the machine, lower all movable working devices onto the ground or lowest position. ●...

  • Page 79: Lubricate Joysticks And Pedals

    Disassembling 1. Lower the bucket steadily onto the ground as shown in above diagram. Note: While disassembling the tooth pin, adjust the bucket position in such manner that the bucket barely comes into contact with the ground. If the bucket is steadily on the ground, the resistance will be really high so that it’s difficult to disassemble the tooth pin.

  • Page 80: Replace The Rubber Track

    (4) Rubber If the cracking length is ≥60mm, repair. If the wire rope is visible, repair as soon as possible, regardless of the cracking length. ≥60mm Replacement of Rubber Tracks WARNING ● If it’s necessary to operate beneath the lifted machine or working device, always use cushion woods, jack, or other firm and stable supports.

  • Page 81: Maintenance During Long-Time Parking

    MAINTENANCE DURING LONG-TIME PARKING Parking Procedure If it’s necessary to park the machine for ≥30 days, please park the machine indoors. If it’s necessary to park outdoors, please park the machine on a wood-paved level ground and cover the machine by water-proof cap to keep dry. 1.

  • Page 82: Troubleshooting

    TROUBLESHOOTING SYMPTOMS THAT ARE NOT MALFUNCTIONS The following symptoms are not malfunctions. ● With engine running at low speed, when the arm reaches a nearly vertical position, its retraction speed will drop shortly. ● A noise of traveling motor can be heard when the machine stops suddenly during high speed traveling.

  • Page 83: No Battery Power

    NO BATTERY POWER The following symptoms indicate no battery power. ● No rotation of starter motor or start failure of engine. Low volume of horn. ● Remedy procedure Start the engine by the booster battery on other machine (booster machine) and jumper cable. WARNING ●...

  • Page 84: Burnout Of Fuse

    BURNOUT OF FUSE If a lamp fails to turn on or the electronic system fails to work, the fuse is probably burnt. Check the fuse. Checking and Replacement of Fuses WARNING If a fuse is burnt again shortly after replacement, the electronic system is probably malfunctioned. The improper repair will probably cause fire danger.

  • Page 85: Restart After Refueling

    RESTART AFTER REFUELING Air exhausting from Fuel System Important: Do not rotate the engine by starter motor to get ready the fuel system. This will probably cause overheating of starter motor to damage coil, pinion, and/or ring gear. Important: If the engine stops due to shortage of fuel, please add fuel, rotate the key to ON for 60s, and then rotate it to START position.

  • Page 86: Other Symptoms

    OTHER SYMPTOMS For the symptoms not listed in table below or the further existed problems after appropriate solutions, please consult with your sales or service dealer. Problem Cause Solutions The left and right joysticks ● Lack of grease on left and right joysticks ●...

  • Page 87: Towing

    TOWING WARNING During towing, the improper operations, the incorrect use of rope, or the improper checking will cause serious injuries or deaths. ● The breakage or disengagement of rope can cause danger. Use ropes compatible with the towing force. ● Do not use any kinked, twisted, or even damaged rope. ●...

  • Page 88: Parameters

    PARAMETERS BASIC PARAMETERS Technical parameters Unit Operating weight 1012 Bucket capacity 0.02 Type of working device Backhoe Model Kubota D722 Displacement 0.719 Engine Rated output power/speed kw/r/min 10.2/2500 Maximum torque/rotating speed N.m/r/min 42.9/2000 Maximum traveling speed km/h (High/low) Slewing speed Speed Maximum grade ability Ground pressure...

  • Page 89: Operating Range

    OPERATING RANGE Working range Unit: mm Ground maximum digging radius 3040 Maximum digging radius 3135 Maximum digging depth 1580 Maximum digging height 2620 Maximum Dump height 2000 Maximum vertical digging depth 1580 Minimum slewing radius 1510 Maximum lifting height of bulldozing blade Maximum digging depth of bulldozing blade LIFTING POWER...

  • Page 90: Accessories

    ● Please consult with Ken stone Heavy Machinery before installing optional products. ● Do not use any attachment not approved by TMG INDUSTRIAL. Otherwise it will probably cause safety issues or cause adverse influence on operations or life of machine.

  • Page 91: Precaution

    ● Do not use any attachment not approved by Ken stone Heavy Machinery. Otherwise it will probably cause safety issues or cause adverse influence on operations or life of machine. ● TMG INDUSTRIAL will not be liable for any injury, accident, or product damage arising from the use of non-approved attachments.
  • Page 92 Precautions for Operations ● Start the engine and run at 75% of maximum speed. ● Perform the crushing operation by placing the hammer head perpendicular to the working face. ● During the crushing operations, appropriately aim the hammer head at the object to be crushed and avoid the air impact.
  • Page 93 Periodical Replacement 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 after the hours listed in table below.

  • Page 94: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST Exploded View--Front Operation, Upper Frame, Lower Frame Assembly Parts List-- Front Operation, Upper Frame, Lower Frame Assembly PART NO. DESCRIPTION Front operating device Upper frame assembly Lower frame assembly (retractable)

  • Page 95: Exploded View--Engine Assembly

    Exploded View--Engine Assembly Parts List--Engine Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Kubota Engine-D722 A8.5 E-type pad Engine leg welding A8.6 Sealing strip Engine shock absorber A8.7 Overall bushing Hex head bolt M12x30 A8.8 Driving gear Diesel filter bracket welding A8.9 Driven gear Coupling...

  • Page 96: Exploded View--Front Operating Device Assembly-1

    Exploded View--Front Operating Device Assembly-1 Parts List--Front Operating Device Assembly-1 PART NO. DESCRIPTION PART NO. DESCRIPTION Swing head Boom-arm connecting shaft Swing head upper frame connecting Bucket cylinder rear shaft shaft Hex bolts M10x16 Plain washer ø10 Bucket Boom cylinder-swing head connecting Bucket cylinder 50x30-240x470 shaft Steering head-boom connecting shaft...

  • Page 97: Exploded View--Front Operating Device Assembly-2 (Boom Cylinder)

    Exploded View--Front Operating Device Assembly-2 (Boom Cylinder) Parts List--Front Operating Device Assembly-2 (Boom Cylinder) PART NO. DESCRIPTION PART NO. DESCRIPTION Rear cover cylinder 63 Retaining ring HS97 64x59.2x1.5 B7.1 B7.10 B7.2 Piston rod assemblies 30 B7.11 O-ring HS90 degree 63x3.1 Piston 63 PFC guide ring 30x8x2 B7.3...

  • Page 98: Parts List--Front Operating Device Assembly-3 (Arm Cylinder)

    Parts List--Front Operating Device Assembly-3 (Arm Cylinder) PART NO. DESCRIPTION PART NO. DESCRIPTION B12.1 Rear cover cylinder 50 B12.10 Buffer ring for HRB shaft 30x40.7x4.2 Piston rod assemblies 30 Retaining ring HS97 51x46.2x1.5 B12.2 B12.11 Front cover 50-30 O-ring HS90 degree 50x3.1 B12.3 B12.12 B12.4...

  • Page 99: Exploded View--Roll Cage Assembly

    Exploded View--Roll Cage Assembly Parts List--Roll Cage Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Canopy Flange hex nut M14 Hex bolt M12x70 Roll cage (down) Plain washer ø12 Hex flange bolts M15x45 Flange hex nut M12 Spring washer ø16 Roll cage (up) Flange hex nut M16 Hex flange bolts M14x40 Exploded View--Front Hood Valve Operating Device...

  • Page 100: Parts List--Front Hood Valve Operating Device

    Parts List--Front Hood Valve Operating Device PART NO. DESCRIPTION PART NO. DESCRIPTION Multi-way valve fixing frame welding Multi-way valve D3.1 Pedal bracket assembly Operating ball head D3.2 Multi-way valve-joystick assembly D3.3 Left and right joystick Front operating hood Travel lever assembly D3.4 Operating lever assembly on both Front cover instrument combination...

  • Page 101: Parts List--Front Hood Valve Operating Device-1 (Multi-Way Valve Assembly)

    Parts List--Front Hood Valve Operating Device-1 (Multi-way Valve Assembly) PART NO. DESCRIPTION PART NO. DESCRIPTION D3.1.1 Stud bolt M8x378 D3.1.17 Reset spring ø1.8xø21x53 Nut M8 Positioning screw D3.1.2 D3.1.18 Inlet valve body Spring base D3.1.3 D3.1.19 D3.1.4 Reversing valve body D3.1.20 Hexagon socket screw M5x10 Reversing valve body...

  • Page 102: Exploded View--Lighting (Swivel Arm Mounted) And Lamps (Rear Lighting)

    Exploded View--Lighting (Swivel Arm Mounted) and Lamps (rear lighting) Parts List--Lighting (Swivel Arm Mounted) and Lamps (rear lighting) PART NO. DESCRIPTION PART NO. DESCRIPTION 5 beads LED light assembly 5-bead LED light assembly A F1.1 Light mounting bracket F1.2 5-bead LED light assembly B Hexagon flange bolts M10x20 Hexagon bolts M8x65 F1.3...

  • Page 103: Parts List--Upper Frame Assembly

    Parts List--Upper Frame Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Upper frame-D722 front roll cage type Bolt M10x40 Battery brake fixing device Clamp ø25-38 Hexagon bolts M14x60 Oil pipe ø25x36-200 Hexagon bolts M14x40 Respirator Hood Lock Arm Slewing support guard 1 Battery pressure plate Slewing support guard 2 Battery...

  • Page 104: Exploded View--Diesel Fuel Tank Assembly

    Exploded View--Diesel Fuel Tank Assembly Parts List--Diesel Fuel Tank Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Diesel tank Bolt Front hood Combination pad ø14 Diesel tank cover Oil pipe connector Broken cable fixing plate Oil outlet Oil dipstick Exploded View--Fuel Oil System Parts List--Fuel Oil System PART NO.

  • Page 105: Exploded View--Cooling System

    Exploded View--Cooling System Parts List--Cooling System PART NO. DESCRIPTION PART NO. DESCRIPTION Radiator assembly Hydraulic tank Water tank inlet hose Oil inlet pipe Water tank outlet hose Oil outlet pipe Clamp ø32-44 Right angle connector Overflowing kettle Three-way connector Thin water pipe Straight connector Clamp ø10-16 Exploded View--Air Intake System...

  • Page 106: Parts List--Air Intake System

    Parts List--Air Intake System PART NO. DESCRIPTION PART NO. DESCRIPTION Air baffle 01-00 Clamp ø44-64 Air baffle 02 Air filter bracket welding-Kubota Air baffle 03 Outline drawing of air filter Air filter intake hose Hex flange bolts M8x30 Air filter to engine intake hose Hex flange nuts M8 Exploded View--Exhaust System Parts List--Exhaust System...

  • Page 107: Parts List--Throttle Control System

    Parts List--Throttle Control System PART NO. DESCRIPTION PART NO. DESCRIPTION Hand throttle assembly Round head bolt M5x70 Throttle cable lock Cotter pin ø2x20 Exploded View--Retractable Lower Frame Assembly-1 Parts List--Retractable Lower Frame Assembly-1 PART NO. DESCRIPTION PART NO. DESCRIPTION Main front shovel welding Dozer cylinder guard Secondary shovel welding on both Hexagon bolts M10x16...

  • Page 108: Exploded View--Retractable Lower Frame Assembly-2 (Dozer Blade Cylinder)

    Exploded View--Retractable Lower Frame Assembly-2 (Dozer Blade Cylinder) Parts List--Retractable Lower Frame Assembly-2 (Dozer Blade Cylinder) PART NO. DESCRIPTION PART NO. DESCRIPTION N8.1 Back cover cylinder50 N8.9 PFC guide ring 30x8x2 Piston rod assemblies 30 Retaining ring HS97 51x46.2x1.5 N8.2 N8.10 Piston 50 O-ring HS90 degree 50x3.1...

  • Page 109: Exploded View--Retractable Lower Frame Assembly-3 (Central Swivel Joint)

    Exploded View--Retractable Lower Frame Assembly-3 (Central Swivel Joint) Exploded View--Retractable Lower Frame Assembly-4 Parts List--Retractable Lower Frame Assembly-4 PART NO. DESCRIPTION PART NO. DESCRIPTION Lower frame intermediate support Telescopic cylinder connecting shaft frame Track beam Hexagon bolts M10x35 Telescopic cylinder 50x30-150x400 Tensioner cover Butter spout M6x1 Hexagon bolts M14x40...

  • Page 110: Exploded View--Retractable Lower Frame Assembly-5 (Telescopic Cylinder)

    Exploded View--Retractable Lower Frame Assembly-5 (Telescopic Cylinder) Parts List--Retractable Lower Frame Assembly-5 (Telescopic Cylinder) PART NO. DESCRIPTION PART NO. DESCRIPTION Back cover cylinder50 O-ring HS90 degree 50x3.1 O3.1 O3.10 Piston rod assemblies 30 O-ring HS90 degree 22x2.65 O3.2 O3.11 Front cover 50-30 GSF gray circle 50x39x4.2 O3.3 O3.12...

  • Page 111: Parts List--Retractable Lower Frame Assembly-6

    Parts List--Retractable Lower Frame Assembly-6 PART NO. DESCRIPTION PART NO. DESCRIPTION Telescopic lower frame welding Cotter pin ø4*65 Track 180X72X37B Guide wheel Drive wheel Rollers Swing motor 191M412 (245) Hexagon bolts M12x40 Hexagon bolts M14x40 Tensioning device Swing motor-nut Exploded View--Hydraulic Pipeline Assembly Parts List--Hydraulic Pipeline Assembly PART NO.

  • Page 112: Exploded View--Hydraulic Pipeline Assembly (Valve Part Of The Front Hood)-1

    Exploded View--Hydraulic Pipeline Assembly (Valve Part of the Front Hood)-1 Parts List--Hydraulic Pipeline Assembly (Valve Part of the Front Hood)-1 PART NO. DESCRIPTION PART NO. DESCRIPTION Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Straight connector...

  • Page 113: Exploded View--Hydraulic Pipeline Assembly (Valve Part Of The Front Hood)-2

    Exploded View--Hydraulic Pipeline Assembly (Valve Part of the Front Hood)-2 Exploded View--Hydraulic Pipeline Assembly (Valve Part of the Front Hood)-3...

  • Page 114: Parts List--Hydraulic Pipeline Assembly (Valve Part Of The Front Hood)-3

    Parts List--Hydraulic Pipeline Assembly (Valve Part of the Front Hood)-3 PART NO. DESCRIPTION PART NO. DESCRIPTION Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Hydraulic hose Straight connector Hydraulic hose Right angle elbow Exploded View--Grease Lubrication Pipeline Assembly(Upper Frame Part) Parts List--Grease Lubrication Pipeline Assembly(Upper Frame Part) PART NO.

  • Page 115: Exploded View--Travel Motor

    Exploded View--Travel Motor 985 m /r (60in /r) Displ. has split Geroler ring. seals not included in seal kit Shuttle Valve Location when Applicable...

  • Page 116: Parts List--Travel Motor

    Parts List--Travel Motor PART NO. DESCRIPTION PART NO. DESCRIPTION Shaft and bearing kit (1-1/2 “ straight) Seal, shaft Key (for 1-1/2 straight shaft) Seal, shaft face Shaft and bearing kit (1-3/4” tapered) Screw, cap Shaft and bearing kit (1-3/4 “ tapered- Screw, cap ---special shaft for seal) Nut, hex (1-3/4 “...

  • Page 117: Exploded View--Swing Motor

    Exploded View--Swing Motor Parts List--Swing Motor PART NO. DESCRIPTION PART NO. DESCRIPTION Screw, cap (6 point drive 5/16-24 x 7/8) Nut (for tapered shaft) Flange mounting (4 bolt) 3/8-16 UNC Housing, 7/8-14 O-ring ports Flange mounting (4 bolt) M10 x 1,5 Housing, 1/2 NPTF ports Flange mounting (4 bolt Magneto) Housing, manifold ports (5/16-18 UNC)

  • Page 118: Body Main Wiring Harness

    Body Main Wiring Harness Fuse Box Wiring Harness Please refer to our website for detailed warranty conditions and coverage. For the most up-to-date and comprehensive warranty information, visit www.tmgindustrial.com...

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