New Holland LW50 Service Manual
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New Holland LW50 Service Manual

New Holland LW50 Service Manual

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SERVICE
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Wheel Loaders LW50

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  • Page 1 SERVICE MANUAL Wheel Loaders LW50...
  • Page 2 The contents of this manual are proprietary data of New Holland Construction. Reproduction or use of any part for other than the operation and maintenance of New Holland Construction equipment is permissible only if expressly authorized in writing by New Holland Construction.
  • Page 3 OWNER ASSISTANCE We at New Holland and your New Holland dealer want you to be completely satisfied with your investment. Normally any problems with your equipment will be handled by your dealer's Service Department. Sometimes, however, misunderstandings can occur. If your problem has not been handled to your satisfaction, we suggest the following.
  • Page 4 OPERATING THE MACHINE. IMPROVEMENTS New Holland Construction is continually striving to improve its products. We reserve the right to make improvements or changes when it becomes practical and possible to do so, without incurring any obligation to make changes or additions to the equipment sold previously.
  • Page 5 IMPORTANT: The word “IMPORTANT” is used to inform the reader of something he needs to know to prevent minor machine damage if a certain procedure is not followed. ©1999 NEW HOLLAND CONSTRUCTION Find manuals at https://best-manuals.com...
  • Page 6 SOMETHING ABOUT IT BEFORE ACCIDENT OCCURS. REGARDLESS OF THE CARE USED IN THE DESIGN AND CONSTRUCTION OF ANY TYPE OF EQUIPMENT THERE ARE MANY CONDITIONS THAT CAN'T BE COMPLETELY SAFEGUARDED AGAINST WITHOUT INTERFERING WITH REASONABLE ACCESSIBILITY AND EFFICIENT OPERATION. ©1999 NEW HOLLAND CONSTRUCTION Find manuals at https://best-manuals.com...
  • Page 7 CALIFORNIA PROPOSITION 65 WARNING Diesel engine exhaust and some of its constituents are know to the State of California to cause cancer, birth defects, and other reproductive harm. ©1999 NEW HOLLAND CONSTRUCTION Find manuals at https://best-manuals.com...
  • Page 8 FAILURE TO DISCONNECT THE BATTERY MAY RESULT IN DAMAGE TO THE ELECTRICAL SYSTEM, MONITORING SYSTEM AND/OR OTHER ELECTRICAL COMPONENTS. 17. IF WELDING IS REQUIRED ON AN ATTACHMENT, REMOVE THE ATTACHMENT FROM THE MACHINE. ©1999 NEW HOLLAND CONSTRUCTION Find manuals at https://best-manuals.com...
  • Page 9 36. BEFORE SERVICING THE MACHINE, OR ANY OF ITS ATTACHED EQUIPMENT, BE SURE THAT THE ATTACHMENTS ARE LOWERED TO THE GROUND OR ARE SUPPORTED. 37. DO NOT WORK UNDER OVERHANGS, ELECTRIC WIRES, OR WHERE THERE IS DANGER OF A SLIDE. ©1999 NEW HOLLAND CONSTRUCTION Find manuals at https://best-manuals.com...
  • Page 10 39. WHEN DRIVING THE MACHINE ON A ROAD OR HIGHWAY, USE WARNING LIGHTS OR WARNING DEVICES AS MAY BE REQUIRED BY LOCAL OR STATE GOVERNMENT REGULATIONS. HEADLIGHTS, WARNING LIGHTS AND SMV SIGNS ARE AVAILABLE THROUGH YOUR NEW HOLLAND DEALER. 40. KEEP THE MACHINE CLEAN. DO NOT ALLOW TRASH, DEBRIS OR OTHER ARTICLES TO ACCUMU- LATE IN THE CAB, FLOOR OR FOOT CONTROL PEDAL AREA THAT MAY HINDER SAFE MACHINE OPERATION.
  • Page 11 PAGE LEFT INTENTIONALLY BLANK...

  • Page 13: Table Of Contents

    FOREWORD .............................. Using the Technical Handbook ......................Servicing and repair ..........................Warnings and symbols ..........................Danger in the event of non-obser-vance of the safety instructions ............ Organizational measures ........................Selection and qualification of personnel - basic responsibilities ............Safety instructions governing specific operational phases Standard operation ..........................

  • Page 14: Foreword

    This keeps overall servicing & repair costs to a minimum and increases the Read through the Technical Handbook, but also availabilily of the NEW HOLLAND CONSTRUC- the Operating Instructions for the NEW HOL- TION Wheel Loader.

  • Page 15: Warnings And Symbols

    TECHNICAL HANDBOOK LW 50 Warnings and symbols 2732729 Danger in the event of non-obser- The following signs are used in the manual to vance of the safety instructions designate instructions of particular importance: 2 796843 This wheel loader has been built in accor- Imminent danger involving the risk of dance with state-of-the-art standards and death or of severe injuries.

  • Page 16: Organizational Measures

    TECHNICAL HANDBOOK LW 50 Organizational measures 2800456 The operating instructions must always be at Observe all safety instructions and warnings at- hand at the place of use of the machine, e.g. by tached to the machine. stowing them in the tool compartment or tool-box See to it that safety instructions and warnings provided for such purpose.

  • Page 17: Selection And Qualification Of Personnel - Basic Responsibilities

    TECHNICAL HANDBOOK LW 50 Selection and qualification of per- Safety instructions governing sonnel - basic responsibilities specific operational phases Any work on and with the machine must be ex- Standard operation ecuted by reliable personnel only. Statutory minimum age limits must be observed. Avoid any operational mode that might be prejudi- cial to safety.

  • Page 18: Special Work In Conjunction With Utilization Of The Machine - Maintenance And Repairs During Operation - Disposal Of Parts And Consumables

    TECHNICAL HANDBOOK LW 50 In conditions of poor visibility and after dark al- Special work in conjunction with utili- ways switch on the lighting system. zation of the machine - maintenance and repairs during operation - disposal Persons accompanying the driver must be seated of parts and consumables on the passenger seats provided for this purpose.

  • Page 19: Warning Of Special Dangers Electric Energy

    TECHNICAL HANDBOOK LW 50 Warning of special dangers For carrying out overhead assembly work always use specially designed or otherwise safety-ori- Electric energy ented ladders and working platforms. Never use machine parts as a climbing aid. Use only original fuses with the specified current Wear a safety harness when carrying out main- rating.

  • Page 20: Hydraulic And Pneumatic Equipment

    TECHNICAL HANDBOOK LW 50 Transporting and towing - recom- Hydraulic and pneumatic equipment missioning Check all lines, hoses and screwed connections regularly for leaks and obvious damage. Repair The machine must be towed, loaded and trans- damage immediately. Splashed oil may cause in- ported only in accordance with the operating jury and fire.

  • Page 21: Repair Work - Safety Instructions

    Never remove lead seals the machine at all times. Never change rated pressure of pressure relief valves without the explicit authoriza- tion of NEW HOLLAND CONSTRUCTION. Repair personnel Never remove lead seals from pressure relief valves and accumulators. Repair personnel must have know-how and experience relevant to repairing this or comparable machines.

  • Page 22: Accumulators

    TECHNICAL HANDBOOK LW 50 ACCUMULATORS Safety instructions 2800629 Dismantling components Accumulators are installed in the hydraulic system. These accumulators contain nitro- Never dismantle while the machine is at gen under high initial pressure. operating temperature. Even when the hydraulic pressure in the Oils, greases, brake fluid or coolants may system is reduced, the nitrogen remains have a high temperature and result in...

  • Page 23: Engine

    TECHNICAL HANDBOOK LW 50 ENGINE Assisted starting (with jumper ca- 2801064 bles) - safety instructions Engine - repair instructions 2800620 Read and observe: "Repair, safety instruc- Keep any potential ignition sources such tions" and operating instructions for en- as unshielded lights or burning cigarettes gine before working on the engine.

  • Page 24: Welding Operations Welding Operations - Safety Instructions

    TECHNICAL HANDBOOK LW 50 WELDING OPERATIONS Welding operations - safety instructions 2801065 Never perform welding operations unless Prior to any welding operations on the you are qualified to do so. machine: Disconnect the battery, first the nega- Observe the accident prevention regula- tive terminal and then at the positive tions.
  • Page 25 TECHNICAL HANDBOOK LW 50 Notes 2800145 73179329...
  • Page 26 TECHNICAL HANDBOOK LW 50 Service Data General Service Data LW 50 73179329...
  • Page 27 Allgemein General 2 801 850.00 de/us...
  • Page 28 VORWORT ..............................FOREWORD .............................. SI - UND WEITERE GR » OSSEN ........................ SI - AND ADDITIONAL UNITS Raum - und Massegr » o˚ en ........................Quantities of space and mass ........................ Zeitgr » o˚ en .............................. Time-related quantities ..........................Kraft-, Energie- und Leistungsgr » o˚ en ....................
  • Page 29 Fuel consumption ..........................BERECHNUNGSBEISPIELE ........................CALCULATION EXAMPLES Steigungswinkel ............................ Angles of slope ............................Fahrgeschwindigkeiten .......................... Travel speeds ............................Hydraulische Leistungen (Pumpen/Motoren) ..................Hydraulic outputs (pumps/motors) ......................Zylinder-Hubzeiten ..........................Stroking times of cylinders ........................Drehzahlen von Hydraulikmotoren ......................Speeds of hydraulic motors ........................

  • Page 30: Vorwort

    SERVICE DATEN / SERVICE DATA VORWORT FOREWORD 2801092 Jede Person, die mit der Inbetriebnahme, Be- Anyone involved with commissioning, operat- dienung, Inspektion und Wartung dieser ing, inspecting and servicing for this con- Baumaschine befa˚ t ist, mu˚ - bevor sie die struction machine must read through and ersten Handgriffe ausf »...
  • Page 31 SERVICE DATEN / SERVICE DATA 2 801 850.00 de/us...

  • Page 32: Und Weitere Gr " Ossen

    SERVICE DATEN / SERVICE DATA SI - UND WEITERE GR » OSSEN 2801093 SI - AND ADDITIONAL UNITS Raum - und Massegr » o˚ en Quantities of space and mass Gr » o˚ e Formel Einheit Umrechnung Erl » auterungen zeichen Unit Conversion...

  • Page 33: Zeitgr " O˚ En

    SERVICE DATEN / SERVICE DATA Zeitgr » o˚ en Time-related quantities Gr » o˚ e Formel Einheit Umrechnung Erl » auterungen zeichen Unit Conversion Bemerkungen Quantity Symbol alt old neu new F » ur genaue f » ur » uber- Explanations Rechnungen schl »...

  • Page 34: Kraft-, Energie- Und Leistungsgr " O˚ En

    SERVICE DATEN / SERVICE DATA Kraft-, Energie- und Leistungsgr » o˚ en Quantities of force, energy and power Gr » o˚ e Formel Einheit Umrechnung Erl » auterungen zeichen Unit Conversion Bemerkungen Quantity Symbol alt old neu new F » ur genaue f »...

  • Page 35: Umrechnungstabellen

    SERVICE DATEN / SERVICE DATA UMRECHNUNGSTABELLEN CONVERSIONS TABLES Umrechnung von L » angen-Ma˚ en Conversion for units of length L » ange mile Length n mile 1 inch (Zoll) 0,0833 0,0278 2,54 0,0254 1 foot (Fu˚ ) 0,3333 0,00019 0,00016 30,48 0,3048 1 yard...

  • Page 36: Umrechnung Von Fl " Achenma˚ En

    SERVICE DATEN / SERVICE DATA Umrechnung von Fl » achenma˚ en Conversion for units of area Fl » ache sqmile acre Area 1 square inch (Quadratzoll) 0,0069 6,4516 1 square foot (Quadratfu˚ ) 0,111 929,03 0,0929 1 square yard (Quadratyard) 1 296 0,00021 8361,3...

  • Page 37: Umrechnung Von Foot (Fuss) Und Inch (Zoll) In Meter

    SERVICE DATEN / SERVICE DATA Umrechnung von foot (Fuss) und inch (Zoll) in Meter Conversion from foot (Fuss) and inch (Zoll) to metric measures 1 in (inch) = 25,4 mm (genau) 1 ft (foot) = 12 in = 304,8 mm Beispiel: 4 ft 2 in = 1,27 m 1 in (inch) = 25,4 mm (exact) Example: 4 ft 2 in = 1,27 m...

  • Page 38: Umrechnung Von Newtonmeter "Nm" In Foot Pounds "Ft.lb

    SERVICE DATEN / SERVICE DATA Umrechnung von Newtonmeter "Nm" in Foot Pounds "ft.lb." Conversion from newtonmeter "Nm" into foot pounds "ft.lb." 7.376 8.113 8.851 9.588 10.326 11.063 11.801 12.539 13.276 14.014 14.751 15.489 16.226 16.964 17.701 18.439 19.177 19.914 20.652 21.389 22.127 22.864...
  • Page 39 SERVICE DATEN / SERVICE DATA 523.667 524.405 525.143 525.880 526.618 527.355 528.093 528.830 529.568 530.305 531.043 531.781 532.518 533.256 533.993 534.731 535.469 536.206 536.944 537.681 538.419 539.156 539.894 540.631 541.369 542.106 542.844 543.582 544.319 545.057 545.794 546.532 547.269 548.007 548.744 549.482 550.220 550.957...
  • Page 40 SERVICE DATEN / SERVICE DATA 1410 1039.959 1040.697 1041.435 1042.172 1042.910 1043.647 1044.385 1045.122 1045.860 1046.597 1420 1047.335 1048.073 1048.810 1049.548 1050.285 1051.023 1051.760 1052.498 1053.236 1053.973 1054.711 1055.448 1056.186 1056.923 1057.661 1058.398 1059.136 1059.874 1060.611 1061.349 1430 1440 1062.086 1062.824 1063.561 1064.299...
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