SUNWARD SWTL 4518 Manual

Operation & Maintenance Manual
SKID-STEER LOADER
This manual should be always kept on the machine
HUNAN SUNWARD INTELLIGENT MACHINERY CO., LTD.

SWTL4518 Operation & Maintenance Manual
1
INDEX
1 GENERAL SAFETY RULES AND OTHER SAFETY INSTRUCTION.................................................. 4
1.1 GENERAL SAFETY RULES.............................................................................................................. 4
1.2 OTHER SAFETY INSTRUCTION ..................................................................................................... 4
1.2.1 GENERAL SIGNS ............................................................................................................................. 4
1.2.2 GENERAL PROTECTION.......................................................................................................... 8
1.2.3 PREVENTIONS DURING OPERATING ....................................................................................... 11
1.2.4 MAINTENANCE PREVENTION ................................................................................................... 14
2 TRANSPORTATION AND STORAGE OF THE MACHINE ................................................................ 17
2.1 LOADING OF THE MACHINE........................................................................................................ 17
2.2 PROTECTION OF THE MACHINE ................................................................................................. 17
2.3 UNLOADING OF THE MACHINE .................................................................................................. 17
2.4 LIFTING OF THE MACHINE .......................................................................................................... 18
2.5 LONG TERM STORAGE OF THE MACHINE................................................................................ 18
3 ASSEMBLY INSTURCTION OF MACHINE......................................................................................... 20
3.1 FIXING STEPS OF MACHINE......................................................................................................... 20
3.2 OPERATION AND MAINTENANCE CONDITION OF MACHINE.............................................. 20
3.3 AMBIENT CONDITION OF MACHINE ......................................................................................... 20
3.4 APPLICATION SCOPE AND FORBIDDEN SCOPE OF MACHINE ............................................. 20
3.5 INSTRUCTION OF OPTIONAL EQUIPMENT............................................................................... 20
4 SPECIFICATION OF MACHINE ............................................................................................................ 25
4.1 DESCRIPTION OF MACHINE........................................................................................................ 25
4.2 GENERAL DATA ............................................................................................................................. 27
4.2.1 OVERALL DIMENSION ................................................................................................................ 27
4.2.2 ENGINE ..................................................................................................................................... 28
4.2.3 ELECTRIC SYSTEM ................................................................................................................ 28
4.3 MACHINE IDENTIFICATION ........................................................................................................ 29
4.4 SECURITY DEVICES....................................................................................................................... 30
4.5 INSTRUMENTS................................................................................................................................ 32
4.6 JOYSTICKS....................................................................................................................................... 33
4.7 SWITCHES AND BUTTONS ........................................................................................................... 34
4.8 CABIN ............................................................................................................................................... 36
4.9 SEAT BELT....................................................................................................................................... 36
4.10 AUTO-LEVELLING SYSTEM......................................................................................................... 37
4.11 FLOATATION SYSTEM .................................................................................................................. 37
4.12 ELECTRICAL CONTROL BOX OF ENGINE .............................................................................................. 37
4.13 MAIN ELECTRICAL CONTROL BOX ...................................................................... 错误！未定义书签。
4.14 DOCUMENTS CASE........................................................................................................................ 39
4.15 ENGINE HOOD................................................................................................................................. 39
4.16 REAR COVER................................................................................................................................... 39
4.17 BATTERY ......................................................................................................................................... 40
4.18 FRONT DOOR (OPTION WITH CLOSED CABIN)........................................................................ 40
5 OPERATION OF THE MACHINE .......................................................................................................... 41
5.1 RUNNING-IN.................................................................................................................................... 41
5.2 CHECKS BEFORE OPERATION..................................................................................................... 41
5.3 STARTING THE ENGINE................................................................................................................ 41
5.3.1 NORMAL STARTING .................................................................................................................... 42
5.3.2 STARTING THE ENGINE IN COLD WEATHER......................................................................... 42
5.4 WARM UP THE ENGINE AND THE HYDRAULIC SYSTEM ...................................................... 42
5.5 STOPPING THE ENGINE ................................................................................................................ 43
5.6 MACHINE MOVEMENT ................................................................................................................. 43
5.7 OPERATION OF WORKING EQUIPMENTS ................................................................................. 45
5.8 LOADING.......................................................................................................................................... 46
5.8.1 LOADING ON LEVEL FLOOR...................................................................................................... 46
5.8.2 LOADING ON SLOPES .................................................................................................................. 46
5.9 DIGGING........................................................................................................................................... 47
5.10 LEVELLING UP................................................................................................................................ 47
5.11 PARKING THE MACHINE .............................................................................................................. 47
5.12 ACCELERATION ............................................................................................................................. 48

SWTL4518 Operation & Maintenance Manual
2
5.13 USE OF THE QUICK COUPLER ..................................................................................................... 49
5.13.1 ASSEMBLE THE BUCKET .............................................................................................................. 50
5.13.2 DISASSEMBLE THE BUCKET ................................................................................................... 50
5.13.3 AJUST THE QUICK COUPLER MECHANISM .............................................................................. 50
5.14 USE OF AUXILIARY PEDAL.......................................................................................................... 51
5.15 HIGH FLOW SYSTEM......................................................................................................................... 52
5.16 MAXIMUM IMMERSION IN AFLUID ............................................................................................. 52
5.17 MOVE THE MACHINE WITH TOWING HOOK. ............................................................................. 52
5.18 STARTING THE MACHINE WITH BOOSTER CABLES................................................................. 53
6 MAINTENANCE........................................................................................................................................... 54
6.1 REQUIREMENT SERVICE ................................................................................................................... 54
6.2 ADVICE FOR THE MAINTENANCE ................................................................................................... 54
6.3 GENERAL INFORMATION FOR CARRY OUT THE MAINTENANCE ........................................... 55
6.3.1 OILS AND COOLANT.................................................................................................................... 55
6.3.2 CAPACITIES ................................................................................................................................... 55
6.3.3 CODIFICATION OF THE MAIN CHANGED PART .................................................................... 55
6.3.4 TORQUE FOR SCREWS................................................................................................................. 56
6.3.5 LUBRICATION POINTS ................................................................................................................ 56
6.4 DESCRIPTION MACHINE FOR MAINTENANCE.............................................................................. 57
6.4.1 ENGINE DESCRIPTION................................................................................................................. 57
6.4.2 HYDRAULIC SYSTEM DESCRIPTION ....................................................................................... 58
6.4.3 ELECTRICAL SYSTEM ................................................................................................................. 58
6.4.4 SAFETY BELT ................................................................................................................................ 58
6.5 MAINTENANCE PLAN......................................................................................................................... 59
6.5.1 BEFORE STARTING ...................................................................................................................... 61
6.5.1.1 CHECKING ENGINE OIL LEVEL.......................................................................................... 61
6.5.1.2 CHECKING ENGINE COOLANT LEVEL.............................................................................. 61
6.5.1.3 CHECKING ENGINE FUEL LEVEL...................................................................................... 61
6.5.1.4 CHECKING THE HYDRAULIC OIL LEVEL......................................................................... 61
6.5.1.5 CHECKING THE ELECTRIC CABLES.................................................................................. 62
6.5.1.6 CHECKING THE SAFETY BELT ........................................................................................... 62
6.5.1.7 CHECKING THE LEAKING OF OIL...................................................................................... 62
6.5.1.8 CHECKING THE QUICK COUPLER...................................................................................... 62
6.5.1.9 CHECKING THE WATER AND SEDIMENTS SEPARATOR ............................................. 62
6.5.2 EVERY 50 HOURS OF OPERATION ............................................................................................ 62
6.5.2.1 CHECKING THE COOLER PIPES.......................................................................................... 62
6.5.2.2 CHECKING THE COOLANT LEVEL..................................................................................... 63
6.5.2.3 GREASING THE PINS OF BOOM AND CYLINDERS ......................................................... 63
6.5.2.4 CHECKING TRACK DROP..................................................................................................... 63
6.5.2.5CHECKING THE WHEEL NUT DRIVING TORQUE ............................................................ 64
6.5.3 EVERY 100 HOURS OF OPERATION ......................................................................................... 64
6.5.3.1 CLEANING THE TERMINALS OF THE BATTERY............................................................. 64
6.5.3.2 CLEANING THE OIL TANK’S BREATHER ......................................................................... 64
6.5.3.3 CHECKING THE CYLINDER RODS...................................................................................... 64
6.5.3.4 GREASING ALL OF PINS ....................................................................................................... 64
6.5.4 VERY 250 HOURS OF OPERATION ............................................................................................ 64
6.5.4.1 CHECKING THE FAN BELT .................................................................................................. 64
6.5.4.2 CLEANING THE RADIATOR ................................................................................................. 64
6.5.4.3 CHANGING THE ENGINE OIL .............................................................................................. 64
6.5.4.4 CHANGING THE ENGINE OIL FILTER................................................................................ 65
6.5.4.5 CHANGING THE FUEL FILTER ............................................................................................ 65
6.5.4.6 CHECKING THE NUT TORQUE OF THE HYDARULIC MOTOR AND THE HUB
HOLDING TO THE CHASSIS............................................................................................................. 66
6.5.5 EVERY 500 HOURS OF OPERATION .......................................................................................... 66
6.5.5.1 CLAEN THE FUEL-WATER SEPARATOR........................................................................... 66
6.5.5.2 CHECK THE TIGHTENESS OF PUMP FIXING SCREWS................................................... 67
6.5.5.3 CHECKING THE FLUID LEVEL OF THE BATTERY.......................................................... 67
6.5.5.4 CHANGING THE HYDRAULIC OIL FILTER ....................................................................... 68
6.5.6 EVERY 1000 HOURS OF OPERATION ........................................................................................ 68
6.5.6.1 CHANGING THE HYDARULIC OIL AND CLEAN THE SUCTION................................... 68

SWTL4518 Operation & Maintenance Manual
3
6.5.6.2 CHECKING THE PUMP’S PRESSURE AND THE VALVE ................................................. 69
6.5.6.3 CHANGING THE HYDRAULIC OIL TANK BREATHER.................................................... 69
6.5.6.4 CHECKING THE TIGHTNESS OF THE CYLINDER HEAD SCREW................................. 69
6.5.6.5 CHECKING THE LOOSENESS OF THE VALVE ................................................................. 69
6.5.7 EVERY 2000 HOURS OF OPERATION............................................................................................. 69
6.5.7.1 CHANGING THE COOLANT.................................................................................................. 69
6.5.7.2 CHECKING THE STARTER AND ALTERNATOR .............................................................. 70
6.5.8 WHEN REQUIRED ......................................................................................................................... 70
6.5.8.1 DRAINING THE FUEL TANK ................................................................................................ 70
6.5.8.2 ADJUST CRAWLERS .............................................................................................................. 70
6.5.9 TROUBLE SHOOTING................................................................................................................... 71
7. EMERGENCY INSTRUCTION................................................................................................................... 75
8. OTHER DATA ENCLOSED........................................................................................................................ 76
8.1 ELECTRIC CIRCUIT DIAGRAM.................................................................................................................. 76
8.2 HYDRAULIC DRAWING ............................................................................................................................ 76
9. MANUFACTURER INFORMATION ......................................................................................................... 77

SWTL4518 Operation & Maintenance Manual
4
1GENERAL SAFETY RULES AND OTHER SAFETY
INSTRUCTION
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.
1.1 GENERAL SAFETY RULES
The following items are extremely important. Operators must read with great care and follow
them while operating and performing maintenance.
•Only authorized and experienced personnel can use or maintain the machine.
•The using and maintenance must be taken follow with the safety rules describe in this
manual.
•Use the machine only when the machine is in good operating condition.
•Don’t use the machine for the tasks exceed its capacity.
•Operate the machine only when the operator sits correctly in the driving position.
•Before do any maintenance, park the machine in a firm and level surface, lower working
equipments to the ground, engage the safety lock of working equipment, stop the engine.
•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.
•Install only authorized auxiliary equipments. Any additional equipment more than the
authorized auxiliary equipments list in this manual may not perform well even cause
damage to the machine and injury to persons. See the list of authorized auxiliary
equipments.
•Before travel on the road, make sure the lights, signaling and safety devices are in good
condition and engage relative safety devices.
•Do not use the machine before read and understand this manual. Any inappropriate use
of this machine could be very dangerous for the operator and the person around the
machine. Many of the accident are caused by insufficient knowledge of the safety
regulations described in this manual.
•It is extremely dangerous operate the machine under the effect of alcohol or drugs. Do
not take alcohol, medicine what makes you sleepy or drugs before or during use the
machine.
1.2 OTHER SAFETY INSTRUCTION
1.2.1 GENERAL SIGNS
Safety precaution labels are fixed to the machine to warn 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 labels. Keep all the labels clean and readable.
Change all the damaged labels.
The following table shows the different labels fixed on the machine and the respective meanings.

SWTL4518 Operation & Maintenance Manual
5
GENERAL LABELS
moving parts, when Entanglements in can
cause serious injury
High temperature
See manual book
Note

SWTL4518 Operation & Maintenance Manual
6
Prevent electric shock
Prevent slip
Oil level
Fuel
Engine oil filter core
Fuel oil filter core
Air filter

SWTL4518 Operation & Maintenance Manual
7
Engine water temperature
Hydraulic oil level
Hydraulic oil filter
voltage
Drag position
Hoist position
The following table shows the different acoustic labels fixed on the machine and the respective
meaning.
ACOUSTIC LABELS
The max noisy level out of cabin.

SWTL4518 Operation & Maintenance Manual
8
The max noisy level in cabin.
1.2.2 GENERAL PROTECTION
(1) Clothes And Personal Protection
•Inappropriate clothing may lead to injury to the
operator. Please wear protective clothing while
operating or performing maintenance such as
hardhat, goggles glasses, mask gloves, safety
shoes and headphones.
•If you have long hair, tie up them before approach
the machine since they can get entangled in the
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.
(2) Enter And Leave The Machine
Use the appropriate footplates and handles showed in the following picture while entering and
leaving the machine.。

SWTL4518 Operation & Maintenance Manual
9
•Enter and leave the machine only when the machine is not moving unless it is in
emergency.
•Never hold on the joysticks.
•Use always the appropriate handles while entering and leaving the machine.
•Always be carefully while entering and leaving the machine. Keep your body balance
during the whole processes of entering and leaving the machine.
•Before enter and leave the machine, make sure the footplate and handles are not covered
with oil, grease, ice or other slippery matter. In case it happens, clean the slippery matter
carefully immediately.
•Take great care in case the machine is wet. It could be very slippery.
(3) 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.
5) Raise the restrain bar to upward.