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TMG -MVE08 Product Manual

860kg mini compact excavator
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TMG-MVE08
PRODUCT MANUAL
v2024.07.10
860KG 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-MVE08 PRODUCT MANUAL v2024.07.10 860KG 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

    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 TMG INDUSTRIAL. ● In some details, this manual probably differs from the manual attached on the machine in use.

  • Page 4: Product Features

    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...............................28 Start key, Maintenance cover...............................30 Fuse case, Fuel filling port, Seat..............................30 Electrical control panel.................................31 Switches.......................................32 Joysticks and Pedals..................................33...
  • Page 6 As accessory....................................69 Maintenance during Long-Time Parking............................72 Troubleshooting..............................73 Symptoms that are not malfunctions............................73 No Battery Power..................................73 Burnout of Fuse...................................74 Restart after Refueling.................................75 Other Symptoms..................................76 Towing......................................77 Parameters................................78 Basic Parameters..................................78 Overall Dimensions of Machine..............................78 Operating Range..................................79 Accessories.................................80 General Safety Measures................................80 Precaution....................................81 Hydraulic Breaking Hammer................................81 Exploded View &...
  • Page 7 Exploded View--Upper Frame Assembly............................92 Parts List--Upper Frame Assembly..............................92 Exploded View--Covering Assembly............................93 Parts List--Covering Assembly ..............................93 Exploded View--Roll Cage Assembly............................94 Parts List--Roll Cage Assembly..............................94 Exploded View--Hydraulic Pipeline Assembly..........................95...

  • 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: Use Of Accessories

    ● Do not use any attachment not approved by TMG INDUSTRIAL company. Otherwise, it will probably endanger the safety or cause adverse influence on operations or life of machine. ● TMG INDUSTRIAL company will not be liable for any injury, accident, or product damage arising from the use of non-approved attachments.

  • 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

    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

    ● 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 TMG INDUSTRIAL service dealer.
  • Page 27 6. TMG-MACH4183: Joystick operation instruction 7. TMG-MACH4184: Warning:Carefully read and understand the manual before operations, checking, and repairs of machine. 8. TMG-MACH4185: Need to wear ear muffs when operating the machine to protect the ears from injury 9. TMG-MACH4186: Machine start unlock 10.

  • Page 28: Controls

    CONTROLS COMPONENT NAME Up frame Chassis Working device 1. Seat 5. Traveling motor 11. Bucket 2. Engine hood 6. Track 12. Bucket cylinder 3. Hydraulic oil tank 7. Drive wheel 13. Arm 4. Fuel tank 8. Track roller 14. Arm cylinder 9.
  • Page 29 Left joystick Start switch Right joystick Fuel meter Left traveling lever Lighting switch Right traveling lever 10. Batter voltage meter Pedal for bulldozer blade lever 11. Throttle lever Pedal for auxiliary hydraulic output 12. Battery switch The specific configuration depends on the machine specification or selected product.

  • Page 30: Start Key, Maintenance Cover

    START KEY Start Key The start key is used to start the engine. FUSE CASE, FUEL FILLING PORT, SEAT Fuse Case This case is functioned to protect the electric system against over-current. Open 1. Remove the seat and open the seat mounting plate. 2.

  • Page 31: Electrical Control Panel

    ELECTRICAL CONTROL PANEL Panel Name and Description DESCRIPTION NOTE Fuel meter Indicates that fuel oil is in the tank. Battery voltage meter Display battery voltage. 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.

  • Page 32: Switches

    SWITCHES Starter Switch Important: Do not rotate the starter key from OFF to ON and then from ON to OFF repeatedly within a short time, otherwise it will probably result in engine malfunction. OFF …… This position is used to stop the engine and insert and withdraw the starter key. ON ……...

  • Page 33: Auxiliary Hydraulic Pedal

    Bulldozing blade joystick Use this joystick to operate the bulldozing blade. (A) … Lower the bulldozing blade. (B)… .Lift the bulldozing blade. Traveling Joystick WARNING ● Before operating the traveling joystick, ensure that the bulldozing blade is in front of the driver seat.

  • Page 34: 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 35: 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. Lamp switch...

  • Page 36: Start Of Engine

    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 37: Operations Of Machine

    OPERATIONS OF MACHINE Joystick Mode (ISO Mode) Work equipment operation diagram. This logo is located inside the front of the cab, check if the machine control mode and label are matched. If different, replace the sticker before operating the machine to match the machine control mode. Failure to do so may result in personal injury or death.
  • Page 38 Warm up the engine (hydraulic oil) WARNING It’s really dangerous to operate the working device without warm-up (Hydraulic oil), as the working device can’t respond quickly to the controls or will motion probably in unexpected manner and the safety devices can’t work normally probably. Therefore, ensure to warm up the machine sufficiently.
  • Page 39 Operations of Traveling Joystick WARNING ● Do not allow any person to access the turning radius or path of machine. Bulldozing blade ● There are blind zones behind the machine. To reverse the machine, if necessary, slew the cab to check the safety and ensure there is no person behind the machine.
  • Page 40 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. Turn left during traveling: To turn left during traveling forward: Place the left joystick to neutral position.
  • Page 41 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 42: Operating Procedures

    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. Do not use the slewing force for demolition or leveling operations.
  • Page 43 Digging of Bedrock For hard bed rocks, it’s preferable to break the rock into small pieces by breaking hammer before digging. It can prevent the damages of machine and thus can be more economic. Guard Bulldozing Blade against Impact Impacting the bulldozing blade with rock will damage the bulldozing blade and bulldozing blade cylinder.

  • Page 44: Precautions For Operations

    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. 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.
  • Page 45 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 46 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 47: 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 48: 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 54 “Fuel and Lubricant Table”. Battery The battery performance deteriorates along with the reduction of temperature.
  • Page 49 ● 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 50 ● 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 51: 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 52: 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 53: 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 54: Overview

    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 55: 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 56 Lubricant Type depending on Replacement Position Type temperature period -20 -10 0 10 20 30 40℃ Oil pump Diesel engine fuel First 50h * SAE 10W-30 API: grade CD Afterwards every 250h ACEA:E-3,E-4 or E-5 SAE 15W-40 Hydraulic oil tank Anti-wear hydraulic oil Every 2000h ** ISO VG32...
  • Page 57 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 58 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 59 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 60: 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 Replacement period Vehicle body...

  • Page 61: 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 engine oil Checking of fuel level Checking of hydraulic oil tank oil level and adding of oil Lubrication of Working Device Every 50h...

  • Page 62: 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 63: 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 64: Lubrication Of Working Device

    ● Posture of machine for checking of hydraulic oil level hydraulic oil level. 1. Start the engine and run at low speed. 2. Fully retract the cylinders (Bucket arm and bucket cylinders) and lower the bucket onto the ground. 3. Lower the bulldozing blade and then stop the engine. 4.

  • Page 65: 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 66: 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 67: Every 250H

    EVERY 250 HOUR 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 68: 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 69: 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 70: 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 71: 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 72: 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 73: 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 74: Burnout Of Fuse

    ● Always wear goggles while using jumper 4. Connect the other clamp of jumper cable (B) to the engine support of the malfunctioned machine. Connect the clamp to a point as far as possible from the battery. After Start of Engine 1.

  • Page 75: Restart After Refueling

    Checking of Fuses If the machine does not start after turning the start switch to the ON position, it may be that the starting power fuse has blown. Open the service cover and check. If the fuse has blown, please contact your sales or service agent. RESTART AFTER REFUELING Air exhausting from Fuel System Important: Do not rotate the engine by starter motor to get ready the fuel system.

  • Page 76: 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 77: 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 78: Parameters

    PARAMETERS BASIC PARAMETERS Technical parameters Unit Operating weight 1900 Bucket capacity Cu-ft Type of working device Backhoe Model R420 Displacement Engine Rated output power/speed kw/r 8.6/3600 Maximum torque/rotating speed N.m/rpm 26.5 / 2500 Maximum traveling speed km/h Slewing speed Speed Maximum grade ability 30°...

  • Page 79: Operating Range

    OPERATING RANGE Working range Unit: mm Maximum digging radius 2900 Ground maximum digging radius 2823 Maximum digging depth 1563 Maximum digging height 2540 Maximum Dump height 1900 Minimum slewing radius 1550 Maximum lifting height of bulldozing blade Maximum digging depth of bulldozing blade...

  • Page 80: 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 81: 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 82 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 83 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 84: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST Exploded View--Bucket Cylinder Assembly Parts List--Bucket Cylinder Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Bucket rear cover cylinder Bucket cylinder piston ring set Bucket cylinder piston rod Grease fitting 10×1 Exploded View--Bucket Arm Cylinder Assembly Parts List--Bucket Arm Cylinder Assembly PART NO.

  • Page 85: Exploded View--Boom Cylinder Assembly

    Exploded View--Boom Cylinder Assembly Parts List--Boom Cylinder Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Boom cylinder piston rod Boom cylinder piston ring kit Boom rear cover cylinder Grease fitting 10×1 Exploded View--Dozer Blade Cylinder Assembly Parts List--Dozer Blade Cylinder Assembly PART NO.

  • Page 86: Exploded View--Lower Frame Assembly

    Exploded View--Lower Frame Assembly Parts List--Lower Frame Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Dozer blade Thrust wheel Lower frame Rubber belt track Central swivel joints Drive wheel Center swing support Travelling motor Dozer blade cylinder ø50x30-100-290 Tensioning device Guide pulley...

  • Page 87: Exploded View--Engine Assembly

    Exploded View--Engine Assembly Parts List--Engine Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Engine support bracket Air Fliter Gear pump Coupling Connect install flange Engine shock absorber Gasoline engine R420...

  • Page 88: Exploded View--Operating Valve Assembly

    Exploded View--Operating Valve Assembly Parts List--Operating Valve Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Operating handle Multi-way valve support Travel lever assembly Multi-way valve Plastic multi-way valve guard Valve carrier plate Crushing/dodging operation pedal Tubing baffle...

  • Page 89: Exploded View--Front Mounting Bracket

    Exploded View--Front Mounting Bracket Parts List--Front Mounting Bracket PART NO. DESCRIPTION Front mounting bracket Exploded View--Back Mounting bracket Parts List--Back Mounting bracket PART NO. DESCRIPTION Back mounting bracket Hydraulic oil filter SP08-10...

  • Page 90: Exploded View--Bucket

    Exploded View--Bucket Parts List--Bucket PART NO. DESCRIPTION PART NO. DESCRIPTION Bucket 0.5 cu-ft Lateral teeth Bucket teeth Bucket pin Exploded View--Bucket Boom Assembly Parts List--Bucket Boom Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Bucket boom Bucket cylinder ø50x30-240-460 Connecting bracket Axis pin ø25x74 Rocking bar Axis pin ø25x150...

  • Page 91: Exploded View--Hydraulic Tank

    Exploded View--Hydraulic Tank Parts List--Hydraulic Tank PART NO. DESCRIPTION PART NO. DESCRIPTION Back connection Oil cup for respirator valve Suction connection with filter element Respirator cover Drain plug Oil glass Hydraulic tank cover Respirator adapter Rubber hose of respirator Hydraulic tank Exploded View--Gasoline Tank Parts List--Exhaust System PART NO.

  • Page 92: Exploded View--Upper Frame Assembly

    Exploded View--Upper Frame Assembly Parts List--Upper Frame Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Lamp bracket Swing motor Axle pin ø25x107 Upper frame Bucket arm cylinder assembly ø50x30 Gasoline engine R420 -325 Axle pin ø25x127 Pedal Swing arm Fan cover Lamp Rear bracket assy Axle pin ø30x107...

  • Page 93: Exploded View--Covering Assembly

    Exploded View--Covering Assembly Parts List--Covering Assembly PART NO. DESCRIPTION PART NO. DESCRIPTION Seat board Power switch Start button Seat panel Lamp switch Fuel indicator Cable accelerator Inspection plate Rear guard rear door Maintenance cover plate Rear guard rear door Left shield Right shield Seat panel Battery indicator...

  • Page 94: Exploded View--Roll Cage Assembly

    Exploded View--Roll Cage Assembly Parts List--Roll Cage Assembly PART NO. DESCRIPTION Canopy Roll cage...

  • Page 95: Exploded View--Hydraulic Pipeline Assembly

    Exploded View--Hydraulic Pipeline Assembly 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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