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CAEL 3.5T Operation And Maintenance Instruction

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Operation and maintenance instructions
Hydraulic Excavato
Warning: Unsafe use of this machine may cause serious injury or
death. Operation and maintenance personnel must read this
manual before operating and maintaining this machine. This manual
should be placed near the machine for timely reference and all
personnel related with this machine should consult this manual
regularly.
original instructions
CAEL
3.5T
r
1

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Summary of Contents for CAEL 3.5T

  • Page 1 Operation and maintenance instructions CAEL 3.5T Hydraulic Excavato Warning: Unsafe use of this machine may cause serious injury or death. Operation and maintenance personnel must read this manual before operating and maintaining this machine. This manual should be placed near the machine for timely reference and all personnel related with this machine should consult this manual regularly.
  • Page 2 Preface Dear users, Thank you for your trust and love for our factory products! The company produces series of agricultural small excavator is given priority to with excavation, lifting unloading operation auxiliary agricultural small excavator, design a compact structure, power matching, product stability is good, cost-effective, can meet the plain, hills, forest under different operating conditions of excavation and unloading requirements, also applies to brick factory, kiln, river, construction, dredging, road construction.
  • Page 3 appearance will be different from the actual product. If the actual excavator mechanical structure and technical parameters change due to the technical improvement and are not shown in this manual, please consult the company for the latest product information of the product. Before using or repairing the machine, the relevant information shall be approved, and we may contact the company's technical service station if necessary.

  • Page 4: Table Of Contents

    Catalogue 目录 Chapter I Safety precautions and safety identification ............6 1.1, Safety precautions ......................6 General precautions ......................6 1.2 Safety identification tips ....................6 1.3 Security identification location ..................6 1.2 Nameplate indication ....................11 1.3 Safety information ....................... 12 Chapter 2 Preparation before work ...................23 2.1 Inspection of fuel oil quantity ..................
  • Page 5 3.14 Prohibited operations ....................40 3.15 Snow day operation ....................41 3.16 Parking machine ......................42 3.17 Transport ........................42 3.19 Transportation machine .................... 43 3.20 Lift the object with a bucket ..................44 Chapter 4: Basic parameters of the excavato ..............45 4.1 General diagram ......................46 4.3 Main dimensions and specifications ................

  • Page 6: Chapter I Safety Precautions And Safety Identification

    Chapter I Safety precautions and safety identification 1.1, Safety precautions General precautions It is your responsibility to follow the relevant departmental safety codes and laws and to operate the inspection and maintain the machine as required by the manufacturer. 1.2 Safety identification tips The following warning signs and safety signs are used.
  • Page 7 （1）Diagram of the excavator operation mode △ Carry out the basic operation of the excavator according to the above diagram. It is strictly prohibited to operate the excavator according to the sign. （2）Wear ear guards when operating the excavator △ With ear protection device warning （3）Put down the operation lock after operating the machine.
  • Page 8 △ Fill fuel at the specified location. △ Turn off the engine when filling the fuel, and the fuel filling should be kept away from all open fires. （5）No one standing person at the lower end of the working device △...
  • Page 9 （7）It is strictly prohibited to stand within the operation scope △ It is strictly prohibited to stand in the operation. △ Note the rotation radius of the machine. （8）Pay attention to the machine running noise of 93dB △warning that: in some specific operating conditions of the machine, the actual noise e mission may be different from the values determined using the noise test code.
  • Page 10 （11） Maintenance sticker （12） Battery disconnecting （13）Adjust the throttle （14）Start switch identification...

  • Page 11: Nameplate Indication

    （15）Ear-side noise identification The A-weighted emission sound pressure level at the operator's station is 86 dB(A). The uncertainties of noise emission values is 3.5 dB. （16） Seat adjustment instructions △ Back adjustment, front and back adjustment, up and down adjustment. Note: The weight adjustment range is 51.9kg-114.1kg.

  • Page 12: Safety Information

    The location of the nameplate Nameplate 1.3 Safety information Safe rules Only the trained and guided personnel can operate and maintain the machine. Observe all safety rules, precautions and instructions when operating or maintaining on the machine. Being in the influence of alcohol or drugs, can severely reduce / weaken the ability to...
  • Page 13 safely operate or repair the machine, putting yourself and others present at risk. When working with another operator or site traffic commander, make everyone understand all the gesture signals used. If an exception is found If any abnormality (voice, vibration, smell, incorrect instrument display, smoke, oil leakage, etc., or any abnormal display on the alarm device or monitor), report to the supervisor and necessary measures shall be taken.
  • Page 14 Keep the machine clean 1. If the electrical system enters the water, there is a risk of failure or failure. No rinse the electrical system (sensors, connectors) with water or steam. 2. If the machine is checked and maintained with mud or oil pollution, it is slippery the danger of falling and falling or the danger of dirt entering the eye.
  • Page 15 Armor and ladder To prevent personnel injuries caused by slipping or falling from the machine, follow the following requirements. 1. When on and down the machine, use the handrails and steps marked in the picture. 2. To ensure safety, face the machine and keep three points (two feet, one hand or two hands and one foot) in contact with the handrail and steps (including track boards) to support yourself.
  • Page 16 Thermal coolant When checking or discharging the coolant, to prevent hot water or steam spray caused by hot Injury, before starting the operation, wait for the water to cool until you can touch the radiator cover by hand. The temperature of. Even if the coolant has cooled, before the radiator cover is removed slowly release the cover to drain the internal pressure of the radiator.
  • Page 17 Fire and explosion-proof Fire caused by fuel or engine oil Fuel oil, oil, antifreeze and window detergent are very flammable and dangerous. To prevent fire, the following regulations must be observed: 1. Do not smoke or use any open flame near the fuel or engine oil. 2.
  • Page 18 accumulated in or stuck around the engine, exhaust manifold, silencers, battery, or inside the hood. Short circuit of the electrical system can cause a fire 1. Keep the wire joints clean and firmly fixed. 2. Check whether the wires are loose or damaged every day. Tighten loose joints or wire clips, and repair or replace damaged wires.
  • Page 19 Prevent falling, scattering and intrusions FOPS or Top guard is not fitted. It shall not be used for applications where the risk of falli ng object is possible. Attachment installation When installing selected items or accessories, there are safety or legal problems, so please contact our service staff in advance.
  • Page 20 Before starting operations, thoroughly check the work area for any abnormal and hazardous situation. 1. When operating near combustible materials such as thatched roofs, dry leaves, or hay, There is a danger of fire, so be careful when operating. 2. Check the terrain and conditions of the work site ground and identify the safest operator law.
  • Page 21 1. When working in a dark place, turn on the working lights and headlights installed on the machine, and set up auxiliary lighting in the working area when necessary. 2. If the sight is not good, if there is fog, snow, rain or dust, to stop the operation. Ventilation of the enclosed areas The engine exhaust can be fatal.
  • Page 22 position as a machine, all personnel should use qualified dust filter masks. 3. During the operation process, other personnel are not allowed to approach. 4. Compliance with work site regulations, regulations and environmental standards.

  • Page 23: Chapter 2 Preparation Before Work

    Chapter 2 Preparation before work Before operation, the vehicle condition and the operation area should be fully understood to ensure safety. 2.1 Inspection of fuel oil quantity Fuel oil quantity inspection Before operation, the fuel capacity of the vehicle should be checked. When the fuel is insufficient, the fuel should be replenished in time to avoid entering the air because the fuel is exhausted, and the machine may be unable to catch fire after refueling again.
  • Page 24 2.3 Hydraulic oil and oil quantity inspection Check the hydraulic oil level before operation, hydraulic oil level is too low in the body tilt tank side, will cause oil pump suction oil and the vehicle without any action (the action should be immediately stalled, the oil pump continue to work with hydraulic pump serious wear and even damage) need to add hydraulic oil or the body flat, if no hydraulic oil or unable to pad the body, for part of the mechanical operating system model can try to break the rotating stem, push the big arm, arm to the high side of the...

  • Page 25: Check Of The Lubrication Points

    2.4 Check of the lubrication points Each lubrication point of the excavator should be checked before operation. Generally, butter should be added to each lubrication point every 8 hours. The refueling quantity should be sufficient, and the refueling frequency should be increased when the working conditions are bad.

  • Page 26: Check The Strength Of The Bridge

    1. Check the terrain and ground conditions of the operation area and check during indoor operation. 2. Check the building structure and take safety measures if necessary. 3. Avoid things such as ditches, underground pipelines, trees, cliffs, and racks. 4. Empty wires or dangerous areas such as rockfall or landslide. 5.

  • Page 27: Keep The Machine Clean At All Times

    2.9 Keep the machine clean at all times 1. Wipe off lubricating oil, grease, soil, snow or ice to prevent this the skid caused an accident. 2. Remove all loose objects and unnecessary devices in the machine. 3. Remove the dust, lubricating oil or grease from the engine part to prevent it breaking out of fire.

  • Page 28: Chapter 3: The Safe Operation Of The Machine

    Chapter 3: The Safe Operation of the Machine 3.1 Start the engine If a warning sign is hung on the operating device control lever, do not start the engine or contact the control lever. Look out Personnel must be familiar with potential hazards and possess the necessary training an d skills to troubleshoot problems.
  • Page 29 current in the starter will rise rapidly, leading to the burning of the coil. Start the key itself with dust, can effectively avoid dust water and other substances into the key, once there are impurities such as water into the key, can lead to lock core stuck not back or internal short circuit, damage the starter, so on rainy days or wet, outside dust more environment to avoid long time out the key parking, if need parking must be the key of protective measures.

  • Page 30: Operation

    accident. 3.3 Operation Check after starting the engine When checked, move the machine to a wide area without obstacles and operate slowly. No one is allowed to approach the machine. Be sure to fasten your seat belt. Check the machine movement for consistent with the display on the control mode card. If not, immediately use the correct control mode card more.

  • Page 31: Adjust The Exterior Mirrors

    the seat back, releasing the lever. Note: Make sure the seat is attached. Spring preload adjustment The air seat weight can be adjusted by rotating the seat front knob. 1. Increase the spring tension by turning the regulator clockwise to accommodate the heavy operator's operating weight.

  • Page 32: Other Devices In The Driver's Seat

    3.6 Displays and manipulates unit descriptions The switches of the display and operation units are versatile and can also be used for menu navigation in the display. Each function is described in detail in its respective chapters. 1. Fuel supply indicator The fuel supply indicator shows the relative amount of fuel in the tank.
  • Page 33 Battery disconnect switch Using the battery disconnect switch, the main circuit can be disconnected. The battery disconnect switch is on the left side of the seat and is marked with the power off switch. Horn switch The horn switch is used to control the horn on and off, and plays a warning role by sounding the horn.
  • Page 34 Operation of the boom If the excavator experiences an overload situation, the boom must be lowered until the load reaches the ground. To raise the boom, pull back using the right joystick. To lower the main boom, push forward using the right joystick. Note: The hand-arm vibration total value is 2.5 m/s2.the hand-arm vibration total value is 2.5 m/s2.

  • Page 35: Tops (Tip-Over-Protection-Structure)

    To pick up the bucket, use the right joystick and press left. To empty the bucket, use the right joystick and press right. When loading into the bucket, make sure not to hit the bucket teeth against the front plate of the bulldozer. The bucket is moved as shown.
  • Page 36 1. Bundle the lifting equipment to the four corners of the ceiling; 2. Remove the three M10 screws at the front end of the ceiling, and then remove the four M14 screws at the back side of the ceiling. 3. Lift the equipment slowly to lift the entire ceiling over the seat and console. 4.

  • Page 37: Safety Rules For Walking

    there are no obstacles. 3. Before walking, sound your horn to warn the people in the area. 4. Only sit in the seat to operate the machine. 5. No one is allowed to ride the machine except the operator. 6. Check whether the walking alarm device works normally. 7.

  • Page 38: Walk On The Slope

    6. When passing over a bridge or a building, first check whether the structure is strong enough to support the weight of the machine. 7. When walking on the highway, first ask the relevant authorities to check and follow their instructions. 8.

  • Page 39: Operate On The Slope

    On the current slope, reduce the engine speed to keep the walking lever close "Middle" position and walked at low speed. Walk on the slope straight up and down, and turn on or across the slope. It is very dangerous. Do not turn on or cross a slope.

  • Page 40: Prohibited Operations

    3.14 Prohibited operations 1. Do not dig up the working face below the suspended part, which will have the risk of falling rocks or, the danger of hitting the machine. 2. Don't dig too deep in the front and bottom of the machine. Otherwise, the ground below the machine may be collapse to drop the machine.

  • Page 41: Snow Day Operation

    6. When dismantling, do not remove overhead. This will be broken the danger of falling broken parts or building collapse and causing serious injury or damage. 7. Do not use the impact of the working device to crushing. There will be broken material The risk of causing personnel injury or damage to the work device, 8.

  • Page 42: Parking Machine

    causes the machine to roll over. 3. If the machine enters deep snow, it is a danger of falling over or buried in the snow. Be careful not to leave the shoulder or fall in the snow. 4. When clearing the snow, the objects on the shoulder and near the road are buried in the snow and cannot be seen in the snow, so there is a danger of the machine tipping over or bumping into the buried object, so we must be careful to operate it.

  • Page 43: Transportation Machine

    Special care must therefore be taken. Be sure to do the following. 1. It can only be installed and unloaded on the hard, flat ground. From the edge of the road or cliff maintain a safe distance 2. Do not install or unload the machine with the working equipment. There is a danger that the machine may fall or roll over.

  • Page 44: Lift The Object With A Bucket

    When transporting the machine on a trailer, do the following. 1. The weight, transport height and total length of the machine vary according to the working device, so be sure to confirm the size. 2. When passing a bridge or building on private land, it is first checked whether its structure is sufficient to support the weight of the machine.
  • Page 45 below. Stability calculation table, with horizontal columns for moment arm, moment, moment a rm, and vertical columns for length (track support), vertical extension (backhoe), and lev el. For example, when the track support is vertical, the moment is 1.27P (KN). Load lifting moment table, divided into two tables, the first for static conditions and the second for dynamic conditions.

  • Page 46: Chapter 4: Basic Parameters Of The Excavato

    Chapter 4: Basic parameters of the excavato 4.1 General diagram Name of Main structural component (R350) grade name spur teeth lateral teeth excavator bucket connecting rod rocking bar bucket cylinder bucket arm bucket arm cylinder swing arm boom cylinder dozer blade idle wheel thrust wheel driving wheel...

  • Page 47: Main Dimensions And Specifications

    4.2 Hinge-connected pin of the machine working device Position indication of machine worker pin shaft (R350) Number Connect pin shaft The boom must first be connected to the pin shaft Shake the arm cylinder Shake the arm cylinder Together in the cylinder of the rack The arm pulls the axle first The oil lamp poles lit by an oil lamp can also be connected to form a shaft Then connect the oil lamp to the oil shaft...
  • Page 48 unit: mm working range R350 Maximum ground excavation height 4200 Maximum unloading depth 2360 Maximum mining depth 3000 Maximum range of ground activity 5540 Transportation length 3560 radius of gyration 2212 Minimum tail radius of rotation 1300 Track height Maximum lifting height Topes maximum subsidence height The car body is always high 2352...
  • Page 49 4.4 Hydraulic schematic diagram and details Hydraulic schematic diagram As an important part of hydraulic system design, its function is to clearly show the working principle, structure and control mode of hydraulic system. According to the hydraulic schematic diagram of the machine hydraulic oil road, more can be used for the problem of hydraulic pipeline.

  • Page 50: Excavator Parameter Table

    4.6 Excavator parameter table Model information Configuration status R350 ●Standard 〇Matching –Not The working weight of the whole Engine model 2645 xinchai3B11 machine(kg) Bucket capacity(m³) Max horsepower (ps) Walking speed Maximum power 0-1.6 17.9 Low/High (Km/h) (Kw) Climbing ability(%) Maximum speed (rpm) 2400 Specific pressure to Displacement...
  • Page 51 Track telescopic range Shipping width(mm) – 1450 (mm) Shipping Height(mm) ● 2900 Counterweight ground Armrest 〇 clearance (mm) Quick change Bucket width(mm) 〇 Hydraulic quick Boom Length(mm) 〇 2000 change Rake Stick Length(mm) 〇 1000 Disposition Wood grabber Dozer plate width(mm) 〇...

  • Page 52: Chapter 5: Common Faults And Solutions

    Chapter 5: Common faults and solutions 5.1 Common faults and solutions of excavator Common fault failure cause The machine is The overflow valve is blocked or Remove the cleaning or tighten the weak and slow to overloose overflow valve move Pump damage Replace the hydraulic pump The oil pump inlet pipe is...
  • Page 53 gasoline gasoline and with gasoline The overflow valve is adjusted Tune loose overflow valve too tight The engine does Battery loss voltage Charge or catch fire with an external not catch fire battery Diesel oil is dry to fuel the pipe Unplug the diesel pipe on the engine to There is air in the road drain air, install or press the hand oil...
  • Page 54 increased Headlights are Line plugs fall off Check whether the line plug is falling off not on, the code or is loose meter or display Parts damage Replace parts does not work The battery is not The generator line breaks Check the engine wiring and reconnect it charged Fuse damage...
  • Page 55 move do method The operating Multi-channel valve stem Reinstall the return spring or tighten the lever cannot be return spring is fixed return spring fixing screws, see Section returned or The setting screw is either 9.3 for the disassembly method pushed back becoming loose or falling off put sth.

  • Page 56: Installation Of Detached Tracks

    the lock nut, then release the lock nut and remove the control screw with a 6mm inner hexagon wrench. 1. Soak frame 1 in gasoline back and forth several times. 2. Press box 2 side down and strike gently. 3. Repeat the 1. 2 action until the overflow valve can be heard when the internal component snap impact sound is shaken horizontally, and the overflow valve is cleared.
  • Page 57 Then, by adjusting the mechanical tensioning device and tightening the track, special attention should be paid to safety during these series of operations. The improper operation will lead to serious safety accidents (such as track involvement, crowbar swinging or flying out, etc.). In uncertain circumstances, please contact the manufacturer for guidance.

  • Page 58: Chapter 6 Maintenance And Maintenance

    Chapter 6 Maintenance and Maintenance 6.1 Notes for maintenance engine maintenance As the main power system of the excavator, the engine needs to be maintained in accordance with the "engine operation manual" carried by the vehicle. The maintenance in strict accordance with the provisions in the engine operation manual can effectively improve the engine life and reduce the occurrence of faults.
  • Page 59 Replace the safety-key components regularly 1. To ensure that the machine can be used safely for a longer time, regularly refueling and check and maintain. To improve safety, please replace safety key components such as hoses and safety belts regularly. 2.

  • Page 60: Fuel Oil Recommendation

    Hydraulic pipe(pipeline of yaw cylinder) Hydraulic pipe(bulldozer cylinder pipeline) Hydraulic pipe(pilot valve) Hydraulic pipe(auxiliary pipe) 6.2 Fuel oil recommendation Diesel fuel shall meet the following standards and this table lists several current fuel specifications in the world. Fuel specification position Diesel position specifications...
  • Page 61 3. The sulfur content and volume ratio is less than 0.05~0.10 15% fuel. (Ultra-low sulfur fuel should be used in the United States or Canada) Using high sulfur fuel may cause sulfuric acid corrosion in the engine cylinder. 4. The use of kerosene is prohibited. Do not mix kerosene, used engine lubricants or residual fuel with diesel oil.

  • Page 62: Maintenance Catalogue

    Users must add sufficient butter to the above refueling points every 8 hours.※ 6.4 Maintenance catalogue Schedule of the excavator maintenance catalogue: Excavator maintenance catalog First time conventional model Remark Filter element Maintenance Maintenance time time name method method...
  • Page 63 Oil filter replace 200h replace For severe working conditions,the cleaning and air filter Clean up 200h replace replacement cycle will be shortened(air blowing,not washing Diesel filter replace 200h replace pilot filter 500h replace 1000h replace Hydraulic suction 300h replace 600h replace filter Hydraulic...

  • Page 64: List Of Filter Element Models

    Travel motor replace 500h replace L-CKD 220 gear oil butter Raise machines water tank Air blowing or high-pressur e Clean up clean up radiator water flushing Hydraulic Air blowing or high-pressur e Clean up clean up water flushing radiator Inspection list of important parts: Important maintenance maintenance...

  • Page 65: Change The Engine Oil

    Chai filter / model /CX0708 Machine filter / model /JX0810Y Oil-absorption filter element / model number Pilot filter/ model 6.6 Change the engine oil Notes for oil change 1. The oil change must be carried out in the heat engine condition. 2.
  • Page 66 6.7 Replacing the method of the filter element As shown in the figure above, if the core is replaced, you need to open the rear cover of the excavator first, and all the filter elements can be seen after opening it. First, remove the oil pipe and joint on the filter element with a wrench, and then remove the filter element for replacement.

  • Page 67: Ec Declaration Of Conformity

    List of accessories and spare parts Annex list 1. Foot pad 2. With accessories Accessories name quantity type R350 14 Boxes Each 1 ⃝ The corner of the sleeve ⃝ grease gun ⃝ shifting spanner ⃝ hold-all ⃝ Filter filter wrench ⃝...

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