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SUNWARD SWL 2021 Series, Operator'S Manual

The SUNWARD SWL 2021 Series Operator's Manual is available for free download on our website. This comprehensive manual provides detailed instructions on how to operate and maintain your SUNWARD SWL 2021 Series equipment. Download your manual today to ensure optimal performance and longevity of your machinery.

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SWL2820 Operator’s Manual 

46 

COUNTER 

ROTATING 

RIGHT  

G 

 

 

 

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.  

When the machine is equipment with the standard working equipments bucket, follow the 
operation as follow.  

OPERATION  

MARK  

RIGHT JOYSTICK POSITION 

BOOM RAISE  

 

 

BOOM LOWER  

 

 

BUCKET FOLD  

 

 

Summary of Contents for SWL 2021 Series

Page 1: ...Operator s Manual SKID STEER LOADER HUNAN SUNWARD INTELLIGENT MACHINERY CO LTD OPERATION AND MAINTENANCE MANUAL...

Page 2: ...1 MOVING ON SLOPES 17 2 4 3 2 MOVING ON UNUSUAL SURFACES 17 2 4 3 3 PARKING THE MACHINE 17 2 4 4 PREVENTION OF ELECTRIC SHOCK 18 2 4 5 LIMITS OF THE MACHINE 18 2 4 6 TRANSPORTATION 19 2 5 MAINTENANCE...

Page 3: ...WARM UP THE ENGINE AND THE HYDRAULIC SYSTEM 42 4 5 STOPPING THE ENGINE 43 4 6 MACHINE MOVEMENT 43 4 7 OPERATION OF WORKING EQUIPMENTS 46 4 8 LOADING 47 4 8 1 LOADING ON LEVEL FLOOR 47 4 8 2 LOADING ON...

Page 4: ...ING TORQUE 68 5 5 3 EVERY 100 HOURS OF OPERATION 68 5 5 3 1 CLEANING THE TERMINALS OF THE BATTERY 68 5 5 3 2 CLEANING THE OIL TANK S BREATHER 69 5 5 3 3 CHECKING THE CYLINDER RODS 69 5 5 3 4 GREASING...

Page 5: ...S 82 6 2 SECURITY MEASURES FOR INSTALLATION 82 6 3 PERFORMANCE OF THE OPTIONAL EQUIPMENT 83 6 4 REPLACEMENT OF OPTIONAL EQUIPMENT 83 6 5 CONNECTION OF HYDRAULIC CIRCUIT 83 6 5 1 CONNECTION OF STANDARD...

Page 6: ...and how to use the machine correctly in any case 1 3 TREATMENT OF THIS MANUAL This operation and maintenance manual must be handled with great care and always kept in the machine so that the operator...

Page 7: ...is no danger for you and for people around you If you have any doubt regarding the safety regulations please contact your SWL dealer 1 7 Signals To help you to use machine safely we have described man...

Page 8: ...ndicate precautions that are useful for operator It is used for precautions that must be taken to avoid actions what could shorten the life of the machine It is used for information that is extremely...

Page 9: ...he machine to warn about possible hazards that may cause personal injuries or even death They are placed where the possible danger is Before using the machine make sure you understand all the security...

Page 10: ...SWL2820 Operator s Manual 9 Float Tail warning Oil level Diesel Oil Oil filter...

Page 11: ...SWL2820 Operator s Manual 10 Drag position Lifting points Operation direction Operation direction Safety pin for boom Security button...

Page 12: ...ergency 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 97 The max noisy level out of cabi...

Page 13: ...IGENT MACHINERY CO LTD will not take the responsibility to the result caused by this kind of unauthorized modification Install only authorized auxiliary equipments Any additional equipment more than t...

Page 14: ...event fire accident 2 3 3 ENTER AND LEAVE THE MACHINE Use the appropriate footplates and handles showed in the following picture while entering and leaving the machine Enter and leave the machine only...

Page 15: ...way from the fuel and oil Stop the engine and never smoke during refueling Only do the refilling fuel and oil in the well ventilated areas Close well the safety cap after refilling oil or fuel Do not...

Page 16: ...eed to do any adjustment when working under altitude of 2300meters The working temperature must be above 30 and should fully warm the machine before starting the machine to work The machine can be use...

Page 17: ...wear safety goggles and rubber gloves when starting the machine with booster cables 2 Two persons are necessary to carry out the starting with booster cables one sitting in the seat and the other one...

Page 18: ...with inclination more than 15 If the fuel gauge indicates in red range immediately refuel Inclination of machine may make the engine suck air and stop suddenly if the fuel level is low 2 4 3 2 MOVING...

Page 19: ...se serious injury even death Before starting working near the electrical cables consult the power company what is the voltage with the cables and inform the power company of your coming work If necess...

Page 20: ...tion is not accordant with the ramps please get down ramps and try again Always keep low speed when loading and unloading machine Be careful that any part more than wheels touching goods around can ch...

Page 21: ...3 WORKING UNDER THE WORKING EQUIPMENT AND MACHINE If it is necessary to carry out service and maintenance under the working equipment or the machine support the equipment and machine with block and st...

Page 22: ...It will cause sudden machine move It is very dangerous for the operators 2 5 6 PREVENTION OF BATTERY HAZARD Battery electrolyte contains sulphuric acid and generates flammable hydrogen gas The sulphu...

Page 23: ...e battery cables before it 2 5 7 PRECAUTION DURING INFLATING THE TIRES Take into consideration that tires can burst while being inflating Inflate the tires bit by bit For inflating the tires use an ai...

Page 24: ...SWL2820 Operator s Manual 23 3 GENERAL DESCRIPTION OF THE MACHINE 3 1 DESCRIPTION OF THE MACHINE 3 1 1 FRONT VIEW 3 1 2 REAR VIEW...

Page 25: ...SWL2820 Operator s Manual 24 3 1 3 MACHINE DISTRIBUTION 1 7 2 3 4 5 6 8 9 10...

Page 26: ...Fuel tank 7 Arm 8 Wheel 9 Exhaust pipe 10 Rear cover 3 2 SPECIFICATION 3 2 1 GENERAL DATA ITEM SWL 2820 Operating weight 2780kg Nominal load 725kg Tipping Load 1450kg Bucket volume 0 4m3 Breakout for...

Page 27: ...operating height 3850 B Height to bucket hinge pin 3002 C Height to top of cab 2018 D Height to bottom of level bucket 2834 E Overall length without attachment 2475 F Overall length with standard buck...

Page 28: ...width centerline to centerline 1293 W Width with excavating bucket 1600 3 2 3 ENGINE ITEM YAMMAR 4TNV84T ZKSU POWER OUTPUT 39 9Kw MAX TORQUE 147 1 160 5N m ROTATION 2800rpm 3 2 4 ELECTRIC SYSTEM ITEM...

Page 29: ...ce The plates have been fixed in different places of the machine The following items describe all the plate 3 3 1 MACHINE IDENTIFICATION PLATE AND PRODUCT IDENTIFICATION NUMBER PIN The identification...

Page 30: ...ASSIS The serial number of the chassis is placed as showed in the below picture 3 4 SECURITY DEVICES 3 4 1 RESTRAIN BAR The restrain bar in made of steel and wrapped with a special rubber At the end o...

Page 31: ...is to engage the locks The loader lock achieves definitive position when the cylinders head surface contact with loader locks Anytime when you stop the machine with arm raised you need to engage the l...

Page 32: ...ing comfortable Rotating handle anti clockwise vibration rigidity reduced Rotating handle clockwise vibration rigidity increased suspension vibration device can be adjusted in no level according to bo...

Page 33: ...hour meter keeps in function while the engine is running independent on engine rotating speed and working situation 4 Battery warning light In normal conditions the warning light comes on when the st...

Page 34: ...ine It is designed according to ISO 10968 2004 Its operating positions and relevant functions are showed in the following diagram Direction Function Front Forward Back Backward Left Turn left Right Tu...

Page 35: ...Foot accelerator is for adjusting engine speed and power together with hand accelerator The foot accelerator lever will return to its limit position after the operation finish 5 Hand accelerator Be s...

Page 36: ...ng brake button again The LED will go out after press again NOTE The parking brake is engaged automatically when engine stopped This is due to the lack of pressure of hydraulic circuit Only when the e...

Page 37: ...environment to the operator and guarantee operator s safety Cabin can be raised by rotate with the base of front joint with chassis The rear window is also used as an emergency exit in case of accide...

Page 38: ...s repair or remove it immediately 3 11 AUTO LEVELLING SYSTEM The auto levelling system consists in maintain the bucket parallel to the floor when the boom is moving up It helps the operator to maintai...

Page 39: ...fuses of the electric system The position no direction is from left to right POSITION COLOUR CAPACITY A INVOLVED CIRCUIT 1 Red 10 Horn 2 Green 15 Steering light 3 Green 15 Rear working light 4 Green 1...

Page 40: ...he relay They are also grouped in one box located on the right side of the cabin see the photo above The position no direction is from left to right 3 16 DOCUMENTS CASE There is a document case locate...

Page 41: ...safety bar and press the cover down until the lock engaged 3 18 REAR COVER Important The rear cover can only be opened after open the engine hood To open the rear cover you must open first the engine...

Page 42: ...FORE OPERATION Before any operation carry out the checking steps If necessary do the repair or maintenance before work Before starting engine seat properly in the operator s seat and keep the seat bel...

Page 43: ...EAT position and hold for no more than 15 minutes The preheating warning should be on 2 When the preheating warm goes off Turn the ignition key to the START position and keep it The engine will start...

Page 44: ...key from the switch 4 6 MACHINE MOVEMENT Before you begin to move the machine make sure you understand all the control functions and also all the safety regulation A wrong use of the machine could re...

Page 45: ...SWL2820 Operator s Manual 44 A B C H G D E F...

Page 46: ...SWL2820 Operator s Manual 45 Movement MARK LEFT JOYSTICK POSITION Forward A Backward E Forward left 45 B Forward right 45 H Backwards left 45 D Backward right 45 F COUNTER ROTATING LEFT C...

Page 47: ...o the safety regulations 4 7 OPERATION OF WORKING EQUIPMENTS For the auxiliary equipments operation see the related instructions of the auxiliary equipments When the machine is equipment with the stan...

Page 48: ...n slopes the regulations of MOVING ON SLOPES must be followed with Only do the loading on slopes when it is absolutely necessary Always go up with the bucket directly forward and go down in reverse wi...

Page 49: ...efficiency you have to adjust the position of bucket and boom combined while filling 4 The digging depth must be suitable for the machine Different type ground will affect the available digging depth...

Page 50: ...2 Lower the working equipment to the ground 3 Raise the restrain bar to lock the working equipment and traveling system 4 Engage the retainer for auxiliary equipment control pedal 5 Apply the parking...

Page 51: ...two stoppers on the engine accelerator device to fix the limits of minimal and maximal engine speed The machine manufacturer or the engine supplier fixed the stopper position after test Do modify the...

Page 52: ...use serious accidents Follow the following steps to unload the machine from the transporting vehicles 1 Park the transporting vehicle on a firm and level surface and apply the braking system Position...

Page 53: ...different types of working equipments homologated by Sunward Some precautions for hitch and unhitch the working equipments To hitch or unhitch the bucket choose a flat ground and make sure the machine...

Page 54: ...ual pressure Raise the restrain bar 6 Get off the machine 7 Rotate back the levers to the position of locking 8 Check the coupling pins are properly positioned in its retainers 4 15 2 UNHITCH THE BUCK...

Page 55: ...uipment The pedal has three positions Neutral Position The hydraulic oil does not flow to the auxiliary equipment Right Position The hydraulic oil flow in one of the pipes to the auxiliary equipment a...

Page 56: ...9 MOVE THE MACHINE WITH TOWING HOOK Only use cable strong enough to remove the machine Release the parking brake before towing Never tow the machine for long distance When the machine is stuck in mud...

Page 57: ...ose suitable storage location it is better to store the machine in the room if it only could be stored in outdoor it must choose firm and flat ground and cover the machine Locate the machine in a shel...

Page 58: ...key to position Preheat See item 4 2 Starting the Machine and check if the entire indicators are working properly Indicator for the fuel level Indicator for the oil pressure Battery Warning Light Preh...

Page 59: ...d when you need to check the hydraulic system Apply the parking brake when go out from the machine Raise the cabin following the recommendation Use always the recommended oil and grease given in this...

Page 60: ...hine or even damage the machine OILS COOLANT AND FUELS SPECIFICATION Hydraulic Oil TOTAL AZOLLA ZS46 MOBIL AW46 Engine Oil MOBIL DELVAC1330 ESSO LUBE D 3 10W 30 Engine Coolant TOTAL MULTIS EP2 ESSO BE...

Page 61: ...3 4 TORQUE FOR SCREWS Unless other specification tighten the nuts and bolts according to the torques shown in the below table Tighten the goods by the wrenches with gauge Thread Diameter mm Quality 8...

Page 62: ...1 6 DOUBLE END SPANNER 30 32 GB4388 1 6 ADJUSTABLE WRENCH 300X36 1 8 CROSS POINT SCREWDRIVER WITH PLASTIC HANDLE 6X150 GB1064 89 1 9 FLAT HEAD SCREWDRIVER WITH PLASTIC HANDLE 8X200 1 10 WIRE PLIERS 20...

Page 63: ...gh space to expansion of fuel When the fuel run out or when the fuel filter has been changed the pipes needs to be bleed The fuel tank is located in the backside of the machine and has a capacity of 7...

Page 64: ...rts It is recommendable to follow this plan Be aware of the working hours by reading the hour meter Write down all the maintenance assistance done to the machine in order to do a proper maintenance pl...

Page 65: ...5 4 1 CHECKING THE GEARING CHAIN TENSION X 5 5 4 2 ADJUST THE CHAIN IF NECESSARY X 5 5 4 3 CHECKING THE FAN BELT X 5 5 4 4 CLEANING THE RADIATOR X 5 5 4 5 CHECKING THE OIL LEVEL IN THE GEAR CHAIN BOX...

Page 66: ...ER X 5 5 6 4 CHECKING THE PRESSURE OF PUMP AND VALVE X 5 5 6 5 CHANGING THE HYDRAULIC OIL TANK BREATHER X 5 5 6 6 CHECKING THE TIGHTNESS OF CYLINDER HEAD SCREW X 5 5 6 7 CHECKING THE LOOSENESS OF VALV...

Page 67: ...ight figure Do not remove the coolant cap when the fluid is hot since it could spray out violently and cause injury 5 5 1 3 CHECKING ENGINE FUEL LEVEL For checking the engine fuel level use the indica...

Page 68: ...there are no leaking in it If any leaks appear repair it immediately Clean the spilled oil if there is 5 5 1 9 CHECKING THE QUICK COUPLER Check visually that the two coupler pins are engaged If any of...

Page 69: ...the radiator expansion tank tube It could mark the wrong coolant level 5 5 2 6 CHECKING THE TIRE PRESSURE Never exceed the pressure recommended in this manual The tire could blast you or the people a...

Page 70: ...ion 4 Try to move the entire wheel 5 If the angle between the original position of the point and the turned position is more than 2 degree the gearing chain is loosening Proceed on the same way for ch...

Page 71: ...iner 3 During the oil is flowing remove the engine refilling cap in order easy the flow 4 Check and clean the engine oil drain plug treads and sealing surface install the drain plug 5 Refill with the...

Page 72: ...l filter 2 Clean the gasket surface of filter head with a lint free cloth 3 Discard the O ring 4 Install a new O ring 5 Fill the new filter with clean fuel and lubricate the O ring seal with clean lub...

Page 73: ...part of the separator with fuel 4 Mount again the separator by tightening the ring again 5 Release the handle to allow fuel into the separator 6 Bleed the fuel circuit by turning a while ignition key...

Page 74: ...lter when the oil is warm Used filters must be collected following the local regulation Proceed as follow for changing the hydraulic oil filter 1 Remove the oil tank cap for releasing the remaining pr...

Page 75: ...he oil level has reached his level the hole is completely full of oil when removing the plug in the piston pump 8 Also check the oil level on the gauge located in the backside See picture below 9 If t...

Page 76: ...side If necessary remove the part inside the filter 4 4 Clean inside the filter container 5 Introduce the new filters carefully inside the filter container 6 Tighten the flanges and close the filter c...

Page 77: ...til it stops to flow 5 Put on and screw up the two drain plug again 6 Refill with the recommended coolant described in this manual 7 Start the engine and let it run at idle speed for a while 8 Stop th...

Page 78: ...insufficient Charge battery Starter does not work with key in START position Faulty main fuse Change Starter pinion engages and disengages while starting engine Battery charge insufficient Charge bat...

Page 79: ...of radiator breather The engine coolant temperature indicator reaches overheating range Working at too high altitude Coolant temperature indicator always at the end of right scale Faulty instrument C...

Page 80: ...faulty Repair or change Oil level too low Refill Presence of foam Use the recommended oil Suction pipe tightness Check and eliminate leakage Suction filter clogged Change Machine moves with delay wit...

Page 81: ...Travel motor faulty Repair or change Suction filter clogged Change Endothermic engine dose not reach max speed Change diesel oil filter and check injection pump Auxiliary pump gear pump faulty Check r...

Page 82: ...tem before start the engine again Alternator faulty Repair or change Battery completely depleted Consume electric power when the engine is stopped Charge the battery Or start the engine with booster c...

Page 83: ...struction during installation or disassembly of any optional equipment Install or disassemble the optional equipment on stable and flat ground Define the information signal and apply it if one or more...

Page 84: ...cement of other optional equipment are identical with the ones of bucket Beside of the quick coupler there are also two coupling rod and one independent hydraulic circuit to control the optional equip...

Page 85: ...OPTION WITH HIGH FLOW SYSTEM Application of equipment which has high flow hydraulic circuit may be available The oil return system is on the right side of boom Make sure the oil would not flow into co...

Page 86: ...Battery 12V G Alternator M1 Starter F00 Main fuse F01 Starting fuse F02 Fast pull fuse F0 Start switch fuse F1 Safety switch fuse F2 Meter fuse F3 Clearance light fuse F4 Head work lamp fuse F5 Rear w...

Page 87: ...SP2 Travel pressure switch SP3 Brake pressure switch SP4 Reversing pressure switch L1 L5 Outline light L6 L7 Head work lamp L8 L9 Rear work lamp L10 L11 Parking brake light L12 L13 Turning light L14 B...

Page 88: ...relay K10 Parking lamp relay K11 Horn relay K12 Flasher K13 K14 Float relay HL1 Brake indication lamp T1 Delay module XP Maintenance power DL1 Reversing horn R0 Air heater R1 R4 Resistance D1 D7 Diod...

Page 89: ...SWL2820 Operator s Manual 88 SWL2820 Hydraulic Diagram...

Page 90: ...SWL2820 Operator s Manual 89 Lift Tilt Auxiliary SWL2820 Hydraulic Diagram For High Flow Optional...

Page 91: ...any 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 Inform...

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