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Summary of Contents for Doosan DL250A
- Page 1 Shop Manual DL250A Wheel Loader Serial Number 10001 and Up 950106-00788E June 2012...
- Page 2 Table of Contents Safety Wheel Loader Safety ................SP002667 Specifications Specification for DL250A ..............SP002668 General Maintenance General Maintenance Instructions ............SP002454 Standard Torques ................. SP002404 Drivetrain Transmission and Torque Converter ............ SP002672 Transmission Error Codes (ZF) ............SP002673 Front Axle (ZF-MT-L 3085 II) ..............SP002474 Rear Axle (ZF-MT-L 3075 II)..............
- Page 3 Main Pump.................... SP001035 Main Control Valve ................SP000881 Load Isolation System ................SP002678 Unloader Valve ..................SP002681 Pilot System..................SP002683 Hydraulic Schematic DL250A ............... SP002693 Electrical System Air Conditioner ..................SP000172 Electrical System .................. SP002694 Electrical Schematic DL250A ............... SP002695...
- Page 4 SP002667 WHEEL LOADER SAFETYSP002667 Wheel Loader Safety Edition 1 Wheel Loader Safety SP002667 Page 1...
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Page 5: Table Of Contents
Table of Contents Wheel Loader Safety Safety Instructions ..........5 Applicable Models ..........5 Safety Messages ..........6 Safety Decals ............7 General..............7 Transportation ............ 17 Operation ............19 Maintenance ............37 Environment and Circumstances......52 Wheel Loader Safety SP002667 Page 3... -
Page 6: Safety Instructions
APPLICABLE MODELS The contents of this section apply to the following models and serial number ranges. MODEL SERIAL NUMBER RANGE DL250A 10001 and Up DL300A 10001 and Up DL420A 10001 and Up DL550A... -
Page 7: Safety Messages
SAFETY MESSAGES Safety messages and safety decals included in this manual and on the machine provide instructions how to operate, service and maintain the machine. Safety messages and safety decals indicate potential hazards and describe safety precautions required to avoid hazards. Operator and maintenance personnel should read and understand these safety messages and decals before beginning operation or maintenance. -
Page 8: Safety Decals
SAFETY DECALS Location of safety labels (decals) can vary from unit to unit. Refer to appropriate Operation and Maintenance Manual, and parts manual for your unit. Always replace damaged or faded decals. GENERAL Safe Operation is Operator's Responsibility Only trained and authorized personnel should operate and maintain the machine. - Page 9 Proper Work Tools and Attachments Only use work tools and attachments that are recommended by DOOSAN for use on DOOSAN machines. When installing and using optional attachments, read instruction manual for attachment, and general information related to attachments in this manual. Because DOOSAN cannot anticipate, identify or...
- Page 10 Additional protection for operator's cabin may be required such as a Falling Object Protective Structure (FOPS) or window guards. Contact your DOOSAN distributor for information on available protective HAOA110L guards. Figure 2 To prevent personnel from being struck by flying objects, keep personnel out of work area.
- Page 11 Correction of Machine Problems If any machine problems are found during operation and maintenance (noise, vibration, smell, incorrect gauges, smoke, oil leakage, etc.), or if any abnormal warming alerts are displayed on display monitor, stop the machine immediately and take the necessary corrective actions. Do not operate the machine until problem has been corrected.
- Page 12 Hot Coolant and Oils - Burn Prevention Do not touch any part of an operating engine. Immediately after operations are stopped, coolant, engine oil, and hydraulic oil are at their highest temperatures. The radiator and hydraulic tank are still under pressure. Always wait for temperature to cool down.
- Page 13 Maintenance The machine and some attachments have components that reach high temperatures under normal operating conditions. The primary source of high temperatures are the engine and exhaust system. If damaged or incorrectly maintained, the electrical system can be a source of arcs or sparks. Flammable debris (leaves, straw, etc.) must be removed regularly.
- Page 14 Hydraulic System Check hydraulic tubes, hoses and fittings for damage, wear or for leaks. Hydraulic lines and hoses must be properly routed and have adequate support and secure clamps. Leaks can cause fires. Never use a flame or bare skin to check for leaks. Tighten or replace any parts that show leakage.
- Page 15 Never Use Ether Starting Aids Do not use ether or starting fluids on any engine that has glow plugs, or an electric grid type manifold heater. These starting aids can cause an explosion and result in death or serious injury. Use procedures in this manual for connecting battery and for jump-starting.
- Page 16 Never touch injector terminal or inside of engine controller. NOTE:If it is necessary to touch injector terminal or inside engine controller, contact your DOOSAN distributor. Wheel Loader Safety SP002667 Page 15...
- Page 17 • Never modify the operator's cabin by welding, grinding, drilling holes or adding attachments unless instructed by DOOSAN in writing. Changes to the cabin can cause loss of operator protection from rollover and falling objects, and result in death or serious injury.
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Page 18: Transportation
Manual for information on partial disassembly. Refer to Operation and Maintenance Manyal for information on loading, unloading and towing. The machine can be disassembled into parts for transporting. Contact your DOOSAN distributor assistance with disassembly. Loading and Unloading To prevent machine tipping or rollover when loading or unloading machine, always do the following: •... - Page 19 Transporting Machine When transporting machine on a trailer or truck, do the following: • The weight, transportation height, and overall length of machine may change depending on work equipment attached to it. Always check the machine dimensions and work equipment's dimensions before transporting.
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