SUNWARD SWL2820 Operator's Manual
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SUNWARD SWL2820 Operator's Manual

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Operator's Manual
SKID-STEER LOADER
HUNAN SUNWARD INTELLIGENT MACHINERY CO., LTD.
OPERATION AND MAINTENANCE MANUAL

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Сергей
May 23, 2025

Здравствуйте.Как отпустить стрелу ковша при заглохшем двигателе Sunward swl 2820

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1 comments:
Mr. Anderson
May 25, 2025

To release the bucket arm on a Sunward SWL2820 when the engine is off:

1. Stop the engine.
2. Release the residual pressure.
3. Raise the restrain bar.
4. Get off the machine.
5. Rotate the levers to unlock the coupling pins.
6. Ensure the coupling pins are disengaged.

These steps allow you to safely unhitch the bucket or other equipment.

This answer is automatically generated

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Summary of Contents for SUNWARD SWL2820

  • Page 1 Operator’s Manual SKID-STEER LOADER HUNAN SUNWARD INTELLIGENT MACHINERY CO., LTD. OPERATION AND MAINTENANCE MANUAL...

  • Page 2: Table Of Contents

    SWL2820 Operator’s Manual TABLE OF CONTENTS INTRODUCTION ............................5 MODELS AVAILABLE........................5 ABOUT THIS MANUAL ........................5 TREATMENT OF THIS MANUAL....................5 UNITS ..............................5 DEFINITION OF “LEFT” SIDE AND “RIGHT” SIDE ..............5 PRECONDITION TO USE THE MACHINE ..................6 ..............................
  • Page 3 SWL2820 Operator’s Manual 3.4.1 RESTRAIN BAR ........................29 3.4.2 BOOM LOCKS .......................... 30 3.4.3 RETAINER OF AUXILIARY CONTROL PEDAL..............30 3.4.4 ENGINE HOOD LOCK ......................30 3.4.5 CABIN OVERTURNING PROTECTION LOCK ..............30 3.4.6 SEAT ............................31 INSTRUMENTS..........................32 JOYSTICKS............................33 SWITCHES AND BUTTONS ......................
  • Page 4 SWL2820 Operator’s Manual REQUIREMENT SERVICE......................58 ADVICE FOR THE MAINTENANCE....................58 GENERAL INFORMATION FOR CARRY OUT THE MAINTENANCE ........59 5.3.1 OILS AND COOLANT......................59 5.3.2 CAPACITIES ..........................59 5.3.3 CODIFICATION OF THE MAIN CHANGED PART.............. 60 5.3.4 TORQUE FOR SCREWS ......................60 5.3.5...
  • Page 5 SWL2820 Operator’s Manual 5.5.7.1 CHANGING THE COOLANT ....................76 5.5.7.2 CHECKING THE STARTER AND ALTERNATOR ............76 5.5.8 WHEN REQUIRED ......................... 76 5.5.8.1 DRAINING THE FUEL TANK ....................76 5.5.9 TROUBLE SHOOTING........................77 OPTIONAL EQUIPMENT ........................82 SECURITY MEASURES ........................82 SECURITY MEASURES FOR INSTALLATION ................

  • Page 6: Introduction

    1.2 ABOUT THIS MANUAL This manual contents all the information about the SWL machine. The safety regulations, description, use and maintenance instructions are included in this manual. HUNAN SUNWARD INTELLIGENT MACHINERY CO., LTD supply this manual together with the spare parts book.

  • Page 7: Precondition To Use The Machine

    SWL2820 Operator’s Manual 1.6 PRECONDITION TO USE THE MACHINE To use this skid-steer loader properly and safely, operator must know well about this machine and have basic experience on using this kind of machine. If you are a new operator of skid-steer loader, please do not work with this machine before you get a special training on it.
  • Page 8 SWL2820 Operator’s Manual If not avoided, this situation could cause serious injuries even death. If not avoided, this situation may cause minor or moderate injury to operator (or other persons) or damage to the machine. There are other signal words showed under to indicate precautions that are useful for operator.

  • Page 9: Security

    SWL2820 Operator’s Manual 2 SECURITY This section describes the possible hazards that may appear during the operation and maintenance of the machine. Authorized additional equipments have their manual given together with the equipments. 2.1 MEANING OF THE SAFETY SIGNS Safety precaution labels are fixed to the machine to warn about possible hazards that may cause personal injuries or even death.
  • Page 10 SWL2820 Operator’s Manual Float Tail warning Oil level Diesel Oil Oil filter...
  • Page 11 SWL2820 Operator’s Manual Drag position Lifting points Operation direction Operation direction Safety pin for boom Security button...

  • Page 12: Acoustic Signs

    SWL2820 Operator’s Manual Emergency exit Engine hood 2.1.2 ACOUSTIC SIGNS The following table shows the different acoustic labels fixed on the machine and the respective meaning. ACOUSTIC LABELS 此处噪音值需要根据整改后测试的具体数据来填 写, 而不是 97 The max noisy level out of cabin. The max noisy level in cabin.

  • Page 13: Location Of The Safety Labels

     It is forbidden to modify the connections and safety settings of the hydraulic system. Before do any modification, please consult your dealer. Any unauthorized modification may lead to serious injury to operator or damage to the machine. HUNAN SUNWARD INTELLIGENT MACHINERY CO., LTD will not take the responsibility to the result caused by this kind of unauthorized modification.

  • Page 14: Enter And Leave The Machine

    SWL2820 Operator’s Manual moving part of the machine and cause serious injuries and damage.  When working for 8 hours with a noise exceeding 90 dB, it is necessary to use headphones.  When working in a special dangerous area, additional protections could be required according to the conditions.

  • Page 15: Prevention Of Fire To Fuel And Oil

    SWL2820 Operator’s Manual Before leave machine, carry out the following procedures in the sequence. 1) Park the machine in a safe position. 2) Lower the working equipment to the ground. 3) Engage the parking brake. 4) Engage the auxiliary equipment control pedal retainer.

  • Page 16: Prevention Of Damage Of Working Equipment

    SWL2820 Operator’s Manual  Loosen the coolant safety cap slowly when the coolant is hot to release the residual pressure inside the tank before open it. If it is hot it may spurt out and cause serious burns.  Before checking the coolant level, the hydraulic oil level and the engine oil level, stop the engine and wait till they cool down.

  • Page 17: Check The Machine

    SWL2820 Operator’s Manual 2.4.1.2 CHECK THE MACHINE  Take a walk around check on the machine before work. Make sure that none component of the machine is damaged. Repair or replace the damaged parts if it is necessary.  Make sure that lights are in good condition, rear-view mirrors are clean and fix in the good position suitable for you, windshield wipers work properly before starting work.

  • Page 18: Moving On Slopes

    SWL2820 Operator’s Manual 2.4.3.1 MOVING ON SLOPES WRONG RIGHT  Before move on slopes, make sure the parking brake is in good operation condition.  Do not change the direction while moving on slopes and try to avoid moving obliquely on slopes.

  • Page 19: Prevention Of Electric Shock

    SWL2820 Operator’s Manual  When you are going to park the machine on public road, please provide the signalling device according to the local regulations.  When it is necessary to park the machine on a slope, please follow the procedures following: 1) Position the machine with the bucket downward.

  • Page 20: Transportation

    SWL2820 Operator’s Manual  Overload could cause serious injuries or even death. Never overload the machine. For the detail capacity of machine, please refer the section of specification in this manual. Do not try to get a better efficiency of the machine by doing any unauthorized change.

  • Page 21: Running The Engine During The Maintenance

    SWL2820 Operator’s Manual  To prevent pollution, never deposit the fuel, oil and grease directly onto the ground. Use containers to keep the fuel, oil and grease and drain them according to the local regulations. WRONG 2.5.2 RUNNING THE ENGINE DURING THE MAINTENANCE ...

  • Page 22: Prevention On The Starter And Alternator

    SWL2820 Operator’s Manual  Damaged hoses could be extremely dangerous and could cause serious injuries. Change the damaged hoses and connections as soon as possible.  If you are hit by a jet of high-pressure oil and suffer injury to your skin and eyes, wash your skin and eyes with clean water and consult a doctor immediately.

  • Page 23: Precaution During Inflating The Tires

    SWL2820 Operator’s Manual  Always tighten the terminals and caps securely. DISCONNECT Loosen terminals or caps may cause fire and explosion.  Do not let tools other metal objects make any contact between battery terminal.  Disconnect first the negative earth cable (-) and then the other positive cable (+).When connecting,...

  • Page 24: General Description Of The Machine

    SWL2820 Operator’s Manual 3 GENERAL DESCRIPTION OF THE MACHINE 3.1 DESCRIPTION OF THE MACHINE 3.1.1 FRONT VIEW 3.1.2 REAR VIEW...

  • Page 25: Machine Distribution

    SWL2820 Operator’s Manual 3.1.3 MACHINE DISTRIBUTION...

  • Page 26: Specification

    SWL2820 Operator’s Manual 1. Bucket 6. Fuel tank 2. Working lamp 7. Arm 3. Cabin 8. Wheel 4. Hydraulic oil tank 9. Exhaust pipe 5. Engine hood 10. Rear cover 3.2 SPECIFICATION 3.2.1 GENERAL DATA ITEM SWL 2820 Operating weight...

  • Page 27: Overall Dimension

    SWL2820 Operator’s Manual 3.2.2 OVERALL DIMENSION Item Specification SWL2820 3850 ㎜ Overall operating height 3002 ㎜ Height to bucket hinge pin 2018 ㎜ Height to top of cab 2834 ㎜ Height to bottom of level bucket 2475 ㎜ Overall length without attachment 3261 ㎜...

  • Page 28: Engine

    SWL2820 Operator’s Manual Rollback of bucket on ground 30° Rollback of bucket at full height 97° 987 ㎜ Wheelbase 190 ㎜ Bottom of belly pan Angle of departure 25° 1168 ㎜ Clearance circle front without bucket 1954 ㎜ Clearance circle front 1534 ㎜...

  • Page 29: Machine Identification

    SWL2820 Operator’s Manual 3.3 MACHINE IDENTIFICATION There are several plates fixed to the machine for having a control of each machine SUNWARD produce. The plates have been fixed in different places of the machine. The following items describe all the plate.

  • Page 30: Engine Identification Plate

    SWL2820 Operator’s Manual 3.3.3 ENGINE IDENTIFICATION PLATE The engine identification plate is placed on the engine as show in the below picture. 3.3.4 SERIAL NUMBER OF CHASSIS The serial number of the chassis is placed as showed in the below picture.

  • Page 31: Boom Locks

    SWL2820 Operator’s Manual 3.4.2 BOOM LOCKS  Loader Locks are used for ensure that the boom not goes down when the machine is stopped and with the boom raised. It blocks the hydraulic cylinder so that it is impossible to close them when the cylinders are opened.

  • Page 32: Seat

    3.4.6 SEAT Sunward skid steer loader seat is a specially designed deluxe driver seat for construction machineries. The backrest and cushion are both designed according to body engineering ergonomics, which will offer driver most comfort. The seat is assembled with suspension, which helps to reduce the harmful vibration effectively and ease the fatigue of driver.

  • Page 33: Instruments

    SWL2820 Operator’s Manual  The seat is equipped with a sensor that detect if operator is seated or not. The working equipment and travel system will be blocked while the operator is not seated correctly in operation position.  The seat size is designed according to standard of ISO 11112, the shock absorber design is fit for EN ISO 7096 EM9 standard.

  • Page 34: Joysticks

    SWL2820 Operator’s Manual Parking brake warning light This light comes on when the parking button is being acted. It goes out when the parking button is released. Working light warning light This light comes on when the working lights are turned on.

  • Page 35: Switches And Buttons

    SWL2820 Operator’s Manual Front Boom lowering Back Boom lifting Left Bucket folding Right Bucket dumping Front & left Boom lowering- Bucket folding Front & right Boom lowering - Bucket dumping Back & left Boom lifting- Bucket folding Back & right Boom lifting- Bucket dumping Restrain bar The restrain bar is extremely important for the safety of operation.
  • Page 36 SWL2820 Operator’s Manual 1) Ignition key and switch There is one ignition switch located on the right joystick support. This rotary switch has four fixed positions. The marks and functions for the four positions are indicated in the following table.

  • Page 37: Cabin

    SWL2820 Operator’s Manual 7) Beacon light switch It is located on the right front panel. It is an ON/OFF switch. When it is pressed to ON position, the beacon light will be working. 8) Accumulator switch It is to cut off the battery supply circle. Switch off it when it is necessary.

  • Page 38: Fasten The Seat Belt

    SWL2820 Operator’s Manual 3.10.1 FASTEN THE SEAT BELT To fasten the seat belt, the operator needs to be seated and then follow these steps: 1. Take first the male clasp and introduce it into the female clasp until the blocking position.

  • Page 39: Fuses

    SWL2820 Operator’s Manual 3.14 FUSES The electric circuit is equipped with fuses that maintain the amperage of the electric circuit under a maximum allowed. Most of fuses are grouped in one box located on the right side of the cabin .

  • Page 40: Relays

    SWL2820 Operator’s Manual Green Standby Ignition Green Standby Green Standby 3.15 RELAYS Most of the relays are positioned inside the fuse box. The following table shows the relays and their Position. Descriptions Position Steering indicator light Top row 1 Top 2...

  • Page 41: Engine Hood

    SWL2820 Operator’s Manual 3.17 ENGINE HOOD  Never open engine hoods while the engine is running.  Never start the engine with engine hood open, only when the maintenance procedure makes it necessary.  Do not maintain the engine hood open without the safety bar engage in the cylinder.

  • Page 42: Operation Of The Machine

    SWL2820 Operator’s Manual 4 OPERATION OF THE MACHINE 4.1 RUNNING-IN A new machine must be used carefully during the first 100 working hours. It is due to ensure the proper running-in of the components. Proper running-in is important to prolong the machine life Working with excessive load during the first operation period can cause damages to the components.

  • Page 43: Normal Starting

    SWL2820 Operator’s Manual  Never use starting aid fluids because they may cause explosions.  Do not keep the starter continuously rotating for more than 15 seconds.  It the engine does not start, wait for at least 2 minutes before trying again.

  • Page 44: Stopping The Engine

    SWL2820 Operator’s Manual  After the coolant temperature reaches 60C, lower the restrain bar and slowly operate all working equipment cylinders for a while.  During warming up process, check if there is any abnormal noises or vibration s. If there is, settle the problem before working.
  • Page 45 SWL2820 Operator’s Manual...
  • Page 46 SWL2820 Operator’s Manual Movement MARK LEFT JOYSTICK POSITION Forward Backward Forward left 45° Forward right 45° Backwards left 45° Backward right 45° COUNTER ROTATING LEFT...

  • Page 47: Operation Of Working Equipments

    SWL2820 Operator’s Manual COUNTER ROTATING RIGHT When you have to move on slopes, please operate the machine extremely according to the safety regulations. 4.7 OPERATION OF WORKING EQUIPMENTS For the auxiliary equipments operation, see the related instructions of the auxiliary equipments.

  • Page 48: Loading

    SWL2820 Operator’s Manual BUCKET OPEN 4.8 LOADING 4.8.1 LOADING ON LEVEL FLOOR 1) Start moving with the arm completely lowered and directs the bucket forward the base of the material what you want to load. 2) Move forward to the material, while the bucket is full, gradually raise the boom and fold the bucket until the end of stroke at the same time.

  • Page 49: Digging

    SWL2820 Operator’s Manual 3) Lower the bucket and move reverse and dump the material to where you desire. 4.9 DIGGING Wrong digging operation will damage the machine. Carry out the follows steps and correct digging method while digging. 1) At the beginning of work, always adjust the bucket angle to the correct digging direction.

  • Page 50: Parking The Machine

    SWL2820 Operator’s Manual 4.11 PARKING THE MACHINE When you are going to park the machine, do the following steps: 1) Try to move and park the machine on a firm and level surface to ensure the safety convenience maintenance. 2) Lower the working equipment to the ground.

  • Page 51: Acceleration

    The revolution range goes from approximate: SWL2820: 800 rpm to 2800 rpm. Fix the hand accelerator lever to the proper position according to the working condition.

  • Page 52: Securing The Machine

    SWL2820 Operator’s Manual 4.13.2 SECURING THE MACHINE After move the machine on the transporting vehicle, to ensure the safety during transportation, the steps following must be carried out to secure the machine. 1) Lower the bucket to the ground and let its back on the ground, see the figure below.

  • Page 53: Use Of The Quick Coupler

    SWL2820 Operator’s Manual  Make sure the lifting equipment have enough capacity to lift the machine  Eyebolts are not supplied by Sunward normally. The owner of the machine is responsible for install the eyebolts on the cabin roof.  The eyebolts must be installed properly on the four installing block on the roof of cabin.

  • Page 54: Hitch The Bucket

    SWL2820 Operator’s Manual  Never unhitch the bucket or other accessory when the boom is lifted up. 4.15.1 HITCH THE BUCKET To engage the bucket or other equipments follow the steps below: 1) Rotate the levers to unlock the coupling pins completely.

  • Page 55: Ajust The Quick Coupler Mechanism

    SWL2820 Operator’s Manual 4.15.3 AJUST THE QUICK COUPLER MECHANISM  Before adjust the mechanism make sure the bucket rest on the floor stably.  The quick coupler mechanism has to be adjusted periodically, so that it works correctly.  The mechanism is provided with a spring that regulates the force you need to turn the handle.

  • Page 56: High Flow System

    SWL2820 Operator’s Manual  When connecting auxiliary equipment, make sure the pedal is in the neutral position and the safety retainer is engaged.  About each auxiliary operation instruction, please refer to related auxiliary operation manual. 4.17 HIGH FLOW SYSTEM It’s useful with such attachments that need great flow rate.

  • Page 57: Long-Term Storage

    SWL2820 Operator’s Manual 1) Approach the two machines and get a proper distance to connect the booster cables. But keep the two machines not touch. 2) Connect the positive terminals (+) of the two machines with one cable. 3) Connect the negative terminals (-) of the aiding battery to the earth block of engine of the machine with the depleted battery.

  • Page 58: After The Period Of Inactivity

    SWL2820 Operator’s Manual 4.21.3 AFTER THE PERIOD OF INACTIVITY After a long time of inactivity, proceed as follow:  Clean the machine deeply.  Release the exhaust pipe.  Check all the fluids level of the machine.  Install the battery and make sure it is charged.

  • Page 59: Maintenance

    The machine has been designed and manufactured for giving the maximum autonomy with a minimum of maintenance. Before sell the machine SUNWARD has test the machine to ensure an optimum working of the machine. To keep the machine in good working it is recommended to do maintenance program describes in this manual.

  • Page 60: General Information For Carry Out The Maintenance

    SWL2820 Operator’s Manual  Avoid the skin contact with used oil since it could irritate it. If your eyes get in contact with oil clear your eyes with plenty water and if it persists contact a doctor. In case of ingest accidentally oil contact as soon as possible a doctor.

  • Page 61: Codification Of The Main Changed Part

    SWL2820 Operator’s Manual Engine oil Fuel tank Travelling Mechanism 2X15 5.3.3 CODIFICATION OF THE MAIN CHANGED PART The following table shows the codification of the parts need changing frequently. SWL2820 PART MANUFACTURER CODE Engine Air Filter Yanmar 750201000020 Engine Oil Filter...

  • Page 62: Lubrication Points

    SWL2820 Operator’s Manual 5.3.5 TOOL LIST Name Qty. INNER HEXAGON SPANNER S5 GB5356 DOUBLE-END SPANNER 8-10 GB4388 DOUBLE-END SPANNER 13-16 GB4388 DOUBLE-END SPANNER 17-19 GB4388 DOUBLE-END SPANNER 18-21 GB4388 DOUBLE-END SPANNER 30-32 GB4388 ADJUSTABLE WRENCH 300X36 CROSS POINT SCREWDRIVER WITH...

  • Page 63: Description Machine For Maintenance

     The fuel tank is located in the backside of the machine and has a capacity of 70L for SWL2820.  Change all of fuel supply pipes every 2 years or 4000 hours (whichever occurs first). Remark: please use real Hunan Sunward Intelligent Machinery Co.,Ltd parts or approved by Sunward. 5.4.2 HYDRAULIC SYSTEM DESCRIPTION ...

  • Page 64: Electrical System

    SWL2820 Operator’s Manual 5.4.3 ELECTRICAL SYSTEM  Never wet any of the electric components, since the wet electric components could result damaged.  Never remove any electric component installed and install any other component with different characteristics.。  If any welding operation has to be carried out, disconnect the battery and the alternator.
  • Page 65 SWL2820 Operator’s Manual 5.5.2.2 CHECKING THE COOLANT LEVEL 5.5.2.3 CHECKING THE TIRE PRESSURE 5.5.2.4 CREASING THE PINS OF BOOM AND CYLINDERS 5.5.2.5 CHECKING THE WHEEL NUTS DRIVING TORQUE 5.5.3.1 CLEANING THE TERMINALS OF THE BATTERY 5.5.3.2 CLEANING THE OIL TANK’S BREATHER 5.5.3.3 CHECKING THE CYLINDER...
  • Page 66 SWL2820 Operator’s Manual HYDRAULIC OIL FILTER 5.5.6.1 CHANGING THE OIL IN THE GEAR CHAIN BOX 5.5.6.2 CHANGING THE HYDRAULIC OIL AND CLEAN THE SUCTION 5.5.6.3 CHANGING THE AIR FILTER 5.5.6.4 CHECKING THE PRESSURE OF PUMP AND VALVE 5.5.6.5 CHANGING THE HYDRAULIC OIL TANK BREATHER 5.5.6.6 CHECKING THE TIGHTNESS...

  • Page 67: Before Starting

    SWL2820 Operator’s Manual 5.5.1 EFORE STARTING 5.5.1.1 CHECKING ENGINE OIL LEVEL  Cool down the oil if the engine was running before. In this case wait 15 minutes for cooling down the oil before carry out the check.  For checking the oil level, raise the dipstick (see photo below) and read the oil marks on it.

  • Page 68: Checking The Electric Cables

    SWL2820 Operator’s Manual 5.5.1.5 CHECKING THE ELECTRIC CABLES  Make sure all relays and fuses are well fastened and there are not loosen cables or connections.  Make sure there is no sign of short circuit in the electrical system.

  • Page 69: Every 50 Hours Of Operation

    SWL2820 Operator’s Manual 5.5.2 EVERY 50 HOURS OF OPERATION 5.5.2.4 CHECKING THE COOLER PIPES  Check the entire cooler pipes for any leakage. The machine could overheat if a big quantity of coolant spells out. The hydraulic circuit could result damage if a big quantity of oil spells out.

  • Page 70: Cleaning The Oil Tank's Breather

    SWL2820 Operator’s Manual 5.5.3.2 CLEANING THE OIL TANK’S BREATHER  Keep the tank breather clean is very important, since it ensures a pressure release inside the oil tank. 5.5.3.3 CHECKING THE CYLINDER RODS  Make sure the cylinder rods are not corroded or damaged. It could reduce the machine’s efficiency.

  • Page 71: Checking The Oil Level In The Gear Chain

    SWL2820 Operator’s Manual  Never use oily products, since it facilitate the adhesion of dust and reduces the efficiency of the radiator. 5.5.4.5 CHECKING THE OIL LEVEL IN THE GEAR CHAIN  The checking has to be carried out in an level surface.

  • Page 72: Changing The Fuel Filter

    SWL2820 Operator’s Manual  Do not proceed to change the engine oil filter just after stopping the engine, since the oil is still hot. Wait for a while until the oil cool down.  Oil filters are considered special waste. It has to be collected following the current environment regulation.

  • Page 73: Every 500 Hours Of Operation

    SWL2820 Operator’s Manual Driving Torque for Hydraulic Motor 160 Nm  Check the driving torque that holds the hub-holding. Take as reference the following driving torque given in the following table: Driving Torque for Hub-Holding 160 Nm 5.5.5 EVERY 500 HOURS OF OPERATION 5.5.5.1 CLAEN THE FUEL-WATER SEPARATOR...

  • Page 74: Checking The Fluid Level Of The Battery

    SWL2820 Operator’s Manual Driving Torque for Piston Pump Elastic Driving Torque for Gear Pump Piston Coupler Pump 130 Nm 130 Nm 5.5.5.3 CHECKING THE FLUID LEVEL OF THE BATTERY For checking the fluid level of the battery proceed as follow: 1) Open the plug on the topside of the battery.

  • Page 75: Changing The Air Filter

    SWL2820 Operator’s Manual Proceed as follow to change the hydraulic oil: 1) Park the machine on a level surface and release the residual pressure by moving a few times all the cylinders. Lower the boom and rest the bucket on the floor.

  • Page 76: Checking The Pump's Pressure And The Valve

    SWL2820 Operator’s Manual  Never wash the air filter, always change it with a new one.  Never run the engine without air filter. Proceed as follow to change the air filter: 1) Stop the engine and wait till it cools down.

  • Page 77: Every 2000 Hours Of Operation

    SWL2820 Operator’s Manual 5.5.7 EVERY 2000 HOURS OF OPERATION 5.5.7.1 CHANGING THE COOLANT  Never change the coolant just after stopping the engine, since the coolant is still warm. Let the coolant cool down until it goes under 40-45˚C.  Never loosen the coolant cap when the coolant is still hot. Warm water could spill out violently and produce burnings.

  • Page 78: Trouble Shooting

    SWL2820 Operator’s Manual 5.5.9 TROUBLE SHOOTING Trouble Cause Solution Electric system   Lamps do not work properly Fault cables Check and repair any even with engine running at loose terminal high speed connection   Lamps come Faulty fan belt tension...
  • Page 79 SWL2820 Operator’s Manual Trouble Cause Solution Power system   Oil level too low Refill Oil pressure warming light   Oil filter clogged Change filter remains on even with engine   at high speed Oil unsuitable for the...
  • Page 80 SWL2820 Operator’s Manual Trouble Cause Solution blow   Fuel with low cetane Change with correct rating fuel   Overheating Abnormal noises (during combustion or in mechanical   Exhaust silencer Change parts) inside damaged   Excessive valve...
  • Page 81 SWL2820 Operator’s Manual Trouble Cause Solution   Endothermic engine Reduce loads due to strongly overloaded lifting Traction force is insufficient   Incorrect setting of the Set valve in only one direction max. pressure valve relevant to that direction ...
  • Page 82 SWL2820 Operator’s Manual Trouble Cause Solution Others   Fuel runs out of Refuel and bleed the Fuel completely depleted system before start the engine again   Alternator faulty Repair or change   Consume electric Charge the battery...

  • Page 83: Optional Equipment

    SWL2820 Operator’s Manual 6 OPTIONAL EQUIPMENT  Besides of the standard equipments for SWL series skid steer loader, Sunward also provides optional equipment. Please read the following information carefully before operation and refer to the involved instruction.  Only use the special or particular optional equipment recommended by Sunward or meeting with the request mentioned in the tables.

  • Page 84: Performance Of The Optional Equipment

    SWL2820 Operator’s Manual Prolonged working equipment would reduce the stability of the machine. Be carefully when travelling on slope to avoid rolling over of the machine. For optional equipment to be installed with the dimension beyond the standard one, pay more attention during moving of the equipment or travelling of the machine.

  • Page 85: Connection Of High Flow Hydraulic Circuit (For Option With High Flow System)

    SWL2820 Operator’s Manual Make sure the oil would not flow into connectors of pedal and unconnected pipes when replacing the independent hydraulic circuit or before disassembling the quick coupler. 6.5.2 CONNECTION OF HIGH FLOW HYDRAULIC CIRCUIT (FOR OPTION WITH HIGH FLOW SYSTEM) Application of equipment which has high flow hydraulic circuit may be available.

  • Page 86: Other Data

    SWL2820 Operator’s Manual 7 OTHER DATA 7.1 ELECTRIC DIAGRAM 7.2 ELECTRIC ELEMENTS CHART Code Name and function Battery 12V Alternator Starter Main fuse Starting fuse Fast pull fuse Start switch fuse Safety switch fuse Meter fuse Clearance light fuse Head work lamp fuse...
  • Page 87 SWL2820 Operator’s Manual High flow valve fuse Warm air conditioner fuse Wiper fuse Wiper motor Washing motor Warm air conditioner Fuel pump Fuel Valve Pilot valve Parking brake Working device valve Boom float valve High flow valve Indicators Safety-bar switch...

  • Page 88: Hydraulic Diagram

    SWL2820 Operator’s Manual Boom float switch Washing switch Water temperature sensor Fuel sensor Oil pressure sensor Start relay Protect relay Fast pull relay Delay relay Safety relay Pilot relay K7~K8 Invert relay Brake indication relay Parking lamp relay Horn relay...
  • Page 89 SWL2820 Operator’s Manual SWL2820 Hydraulic Diagram...
  • Page 90 SWL2820 Operator’s Manual Auxiliary Lift Tilt SWL2820 Hydraulic Diagram For High Flow (Optional)

  • Page 91: Information Of Manufacturer

    SWL2820 Operator’s Manual 8 INFORMATION OF MANUFACTURER Company Name: Hunan Sunward Intelligent Machinery Co., Ltd. Brand: Address: No.16, Lixiang Road (M), Xingsha, Changsha, 410100 Hunan, China Tel: 0086 731 4020688 4020666 Service point: Information of Distributors Information of Distributor Name:...

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