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2550
CRAWLER DOZER
Service Manual
Print N° 84414739B English
T
HIS ALERT SYMBOL SIGNALS IMPORTANT MESSAGES INVOLVING YOUR SAFETY
Read and heed carefully the safety instructions listed and follow the precautions recommended to avoid potential
risks and to safeguard your health and your safety.
You will find this symbol in the text of this Manual referred to the following key words:
WARNING - Cautions directed to avoid improper repair interventions involving potential consequences for the
operator's safety.
DANGER - These warnings qualify specifically potential dangers for the safety of the operator or other persons
directly or indirectly involved.
All maintenance and repair interventions explained in this Manual must be performed exclusively by the Service
Organization of the Manufacturer, observing strictly the instructions explained using, whenever necessary, the
recommended specific tools.
Whoever performs the operations reported without following exactly the precautions is responsible on his own, for
the damages that may result.
Neither the Factory nor any Organizations in its Distribution Network, including but not limited to national, regional
or local distributors, are responsible for any liability arising from any damage resulting from defects caused by parts
and/or components not approved by the Factory for use in maintaining and/or repairing products manufactured or
merchandized by the Factory.
In any case, no warranty of any kind is made or shall be imposed with respect to products manufactured or
merchandized by the Factory, when failures are caused by the use of parts and/or components not approved by the
Factory.
Study SAFETY RULES in the front of this manual thoroughly for the protection of machine and safety of personnel.
.
IMPORTANT NOTICE
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Summary of Contents for Case 2550
- Page 1 Factory. In any case, no warranty of any kind is made or shall be imposed with respect to products manufactured or merchandized by the Factory, when failures are caused by the use of parts and/or components not approved by the Factory.
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Page 2: Avoid Accidents
AVOID ACCIDENTS Most accidents and injuries occurring in industry, on the farm, at home or on the road, are caused by the failure of some individual to follow simple and funda- mental safety rules or precautions. For this reason, MOST ACCIDENTS CAN BE PREVENTED by recog- nizing the real cause and taking the necessary precau- tions, before the accident occurs. - Page 3 SUMMARY GENERALITIES SECTION 0 ENGINE SECTION 1 TRANSMISSION-TORQUE CONVERTER SECTION 2 STEERING CLUTCHES - BRAKES SECTION 3 FINAL DRIVES SECTION 4 UNDERCARRIAGE SECTION 5 DOZER EQUIPMENT SECTION 6 HYDRAULIC SYSTEM ELECTRICAL SYSTEM SECTION7 AIR CONDITIONING UNIT SECTION 8 SECTION 8 SECTION 7 SECTION 1 SECTION 6...
- Page 4 FD255...
- Page 5 Thanks very much for your reading, Want to get more information, Please click here, Then get the complete manual NOTE: If there is no response to click on the link above, please download the PDF document first, and then click on it. Have any questions please write to me: admin@servicemanualperfect.com...
- Page 6 SECTION 0 GENERALITIES TABLE OF CONTENTS TITLE PAGE SAFETY RULES ....................I - VIII TECHNICAL DATA TABLES .................. 1 - 15 GENERAL INSTRUCTIONS ................16 - 20 DIAGNOSTIC CHECKS ....................21 MEASURE UNITS ....................... 22 CLASSIFICATION OF STANDARD PARTS ..............22 TIGHTENING TORQUES ....................
- Page 7 FD255...
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Page 8: Safety Rules
WARNING Study this Manual before starting, operating, maintaining, fuelling or servicing the machine. Read and heed all safety rules before any intervention. SAFETY RULES - Do not allow unauthorised personnel to operate service - Be sure all protective guards or panels are in place, and or maintain this machine. -
Page 9: Stop The Machine
- Operate the machine at speeds slow enough to ensure - In case of enclosed cabs, always let open a discharge complete control at all times. to the outside, to ensure air circulation. - Page 10 SAFETY RULES - Be alert to avoid changes in traction conditions that could - Be alert of people in the operating area of the machine. When operating a machine, know what clearances will cause loss of control. DO NOT DRIVE on ice or frozen ground conditions when working the machine on steep be encountered, overhead doors, cables, pipes, bear- ing load limitations of ground, bridges, floors or ramps.
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Page 11: Maintenance
SAFETY RULES - Keep shoes free of mud or grease before climbing or - Securely block the machine and lock it every time you leave it unattended. Return keys to authorized security. driving the machine. Heed all shut-down operations of the Operation and Maintenance Instruction Manual are followed. - Page 12 - For field service, move machine to level ground, if - To move a disabled machine, use a trailer or a low-boy, if available. In case towing is needed , use all necessary possible, and block it. If work on an incline is absolutely necessary, first block signals required by local and national regulations, and follow the directions provided in this Manual.
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Page 13: Electrical System
- In case pressures must be measured, use instruments - Never attempt to check or adjust fan belts when engine of adequate capacity. Always follow the recommended is running. - Page 14 - Prior to any intervention, install all safety devices accord- properly adjusted in accordance with the instructions ing to current rules and regulations. In case equipment provided by the Manuals of the Manufacturer. Never on the machine must be operated by hydraulic systems, perform adjustments with engine running, except when remember to proceed only after seating in the operator’s...
- Page 15 However, should this material be subject to tempera- tures exceeding 315 °C (600 °F) - in practice only in case 3) if it was found or there is a reasonable doubt that Viton of a fire or subject to the flame of an oxyacetylene torch - made components are involved, the contaminated hydrofluoric acid is generated.
- Page 16 2550 CRAWLER DOZER TECHNICAL DATA TABLES...
- Page 18 2550 0 - 1 TECHNICAL DATA TABLES 2070 2973 2770 4465 2940 4490 BULLDOZER HSU + RIPPER 3800 5415 5855 ANGLEDOZER 4460 5360 5800 NOTE: - MACHINE IN OPERATING CONDITIONS - HEIGHT OF GROUSERS: 71.4 mm - The figure includes optional tools L.
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Page 19: Technical Data Tables
TECHNICAL DATA TABLES 2550 0 - 2 Overall lenght (bare tractor) 4 490 Overall lenght (with semi-U blade) 5855 Overall lenght (with angledozer blade) 5 800 Overall width (bare tractor) 2 940 Overall width (with semi-U blade) 3650 Overall width (with angledozer blade) -
Page 20: Power Train System
2550 0 - 3 TECHNICAL DATA TABLES Model CUMMINS 6CTAA8.3 Type Diesel, 4 - cycle, direct injection, turbocharged, aftercooled Bore x stroke 114 x 135 mm Displacement 8268 cm Number of cylinders Net flywheel power (SAE J1349) 177 kW at 2200 rpm... - Page 21 Transmission filters filter capacity, without by-pass Return Paper type with by-pass valve Transmission regulating valve Mounted on converter case Relief valve pressure (at 10 l/min flow) 10 ± 0.5 bar Safety hand lever valve In lock position inhibits the gear engagement...
- Page 22 2550 0 - 5 TECHNICAL DATA TABLES Brake Wet, Single band, bi-directional. Brake mechanism is actuated by a spring and released by the transmission oil system, in the braking operation. It is actuated by steering system during the steering operation.
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