New Holland L180 Repair Manual
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New Holland L180 Repair Manual

Skid steer loader, compact track loader, mechanical and pilot control, cab upgrade machines
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COMPACT TRACK LOADER
Mechanical and Pilot Control
(Cab Upgrade Machines)
REPAIR
MANUAL
87630288 NA
Replaces87578815 NA
Issued 12-2006
Revised 05-2007
SKID STEER LOADER
L180
L185
L190
C185
C190
www.newhollandconstruction.com

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Summary of Contents for New Holland L180

  • Page 1 SKID STEER LOADER COMPACT TRACK LOADER L180 L185 L190 C185 C190 Mechanical and Pilot Control (Cab Upgrade Machines) REPAIR MANUAL 87630288 NA Replaces87578815 NA Issued 12-2006 Revised 05-2007 www.newhollandconstruction.com...
  • Page 2 REPAIR MANUAL C185 C190 L180 L185 L190 87630288 1 6/6/2007 Find manuals at http://best-manuals.com/search?&s=NH-87639288...
  • Page 3 Contents INTRODUCTION DISTRIBUTION SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM A.10.A A.12.A SECONDARY HYDRAULIC POWER SYSTEM HIGH­FLOW HYDRAULIC POWER SYSTEM A.16.A ELECTRICAL POWER SYSTEM A.30.A LIGHTING SYSTEM A.40.A POWER PRODUCTION B.10.A ENGINE FUEL AND INJECTION SYSTEM B.20.A AIR INTAKE SYSTEM B.30.A ENGINE COOLANT SYSTEM B.50.A LUBRICATION SYSTEM B.60.A...
  • Page 4 ENVIRONMENT CONTROL Air­conditioning system E.40.C SAFETY SECURITY ACCESSORIES Safety E.50.B WORKING ARM SINGLE ARM Lift H.40.B SINGLE ARM TOOL ATTACHMENT Tilt H.50.C TOOLS AND COUPLERS CARRYING Unarticulated tools J.50.B COUPLING Hydraulic coupling J.80.C COUPLING Mechanical coupling J.80.B 87630288 1 6/6/2007 Find manuals at http://best-manuals.com/search?&s=NH-87639288...
  • Page 5 87630288 1 6/6/2007 Find manuals at http://best-manuals.com/search?&s=NH-87639288...
  • Page 6 INTRODUCTION 87630288 1 6/6/2007 Find manuals at http://best-manuals.com/search?&s=NH-87639288...
  • Page 7 Contents INTRODUCTION Basic instructions Torque Conversion factors 87630288 1 6/6/2007 Find manuals at http://best-manuals.com/search?&s=NH-87639288...
  • Page 8 INTRODUCTION Basic instructions Technical Information This manual has been produced by a new technical information system. This new system is designed to deliver technical information electronically through CDROM and in paper manuals. A coding system called ICE has been developed to link the technical information to other Product Support functions e.g. Warranty. Technical information is written to support the maintenance and service of the functions or systems on a customers machine.
  • Page 9 INTRODUCTION (F) Service data (remove disassembly, assemble, install) for all the mechanical, electrical or hydraulic devices, • components and assemblies. Sections Sections are grouped according to the main functions or a systems on the machine. Each Section is identified by a letter A, B, C etc.
  • Page 10 INTRODUCTION Index POWER PRODUCTION ­ B ENGINE ENGINE ­ Dynamic description (B.10.A ­ C.30.A.10) ENGINE ­ General specification (B.10.A ­ D.40.A.10) ENGINE ­ Remove (B.10.A ­ F.10.A.10) ENGINE ­ Troubleshooting (B.10.A ­ G.40.A.10) Information Units and Information Search Each chapter is composed of information units. Each information unit has the ICE code shown in parentheses which indicates the function and the type of information written in that information unit.
  • Page 11 INTRODUCTION Page Header and Footer The page header will contain the following references: Section and Chapter description • The page footer will contain the following references: Publication number for that Manual, Section or Chapter. • Version reference for that publication. •...
  • Page 12 INTRODUCTION Torque BOLT TORQUE INFORMATION DECIMAL HARDWARE Fasteners should be replaced with the same or higher grade. If higher grade fasteners are used, these should only be tightened to the strength of the original. Make sure the fasteners threads are clean and that thread engagement is started. This will prevent them from failing when being tightened.
  • Page 13 INTRODUCTION GRADE 2 * GRADE 5, 5.1 or 5.2 GRADE 8 or 8.2 GRADE L9 (Alloy) Dry ** Lubricated Dry** Lubricated Dry** Lubricated Head SIZE Nm lb/ft Nm lb/ft Nm lb/ft Nm lb/ft Nm lb/ft Nm lb/ft Nm lb/ft Nm lb/ft 1234 910 1051 775...
  • Page 14 INTRODUCTION GRADE 8.8 Bolts, Nuts and Studs GRADE 10.9 Bolts, Nuts and Studs SIZE lb/in lb/ft lb/in lb/ft 1375 to 1545 1010 to 1140 1900 to 2140 1400 to 1580 2400 to 2700 1770 to 1990 3315 to 3730 2445 to 2750 Use the above torques when specifications are not given.
  • Page 15 INTRODUCTION O­Ring Face Seal End Nom. SAE Tube OD Thread Size Newton lb/in lb/ft Dash Size metres ­4 6.4 mm 1/4 inch 9/16 ­ 18 23 to 26 204 to 228 ­6 9.5 mm 3/8 inch 11/16 ­ 16 34 to 40 300 to 348 ­8 12.7 mm...
  • Page 16 INTRODUCTION Conversion factors Metric to U.S. MULTIPLY TO OBTAIN AREA: square meter 10.763 91 square foot hectare 2.471 05 acre newton FORCE: 3.596 942 ounce force newton 2.224 809 pound force LENGTH: millimeter 0.039 370 inch meter 3.280 840 foot kilometer 0.621 371 mile...
  • Page 17 INTRODUCTION U.S. to Metric MULTIPLY TO OBTAIN VOLUME: cubic inch 16.387 06 cubic centimeter cubic foot 0.028 317 cubic meter cubic yard 0.764.555 cubic meter ounce (US fluid) 29.573 53 milliliter quart (US liquid) 0.946 353 litre quart (Imperial) 1.136 523 litre gallon (US) 3.785 412...
  • Page 18 REPAIR MANUAL DISTRIBUTION SYSTEMS C185 C190 L180 L185 L190 87630288 1 6/6/2007...
  • Page 19 Contents DISTRIBUTION SYSTEMS ­ A PRIMARY HYDRAULIC POWER SYSTEM A.10.A C185 , C190 , L180 , L185 , L190 SECONDARY HYDRAULIC POWER SYSTEM A.12.A C185 , C190 , L180 , L185 , L190 A.16.A HIGH­FLOW HYDRAULIC POWER SYSTEM C185 , C190 , L180 , L185 , L190 A.30.A...
  • Page 20 DISTRIBUTION SYSTEMS ­ A PRIMARY HYDRAULIC POWER SYSTEM ­ 10.A C185 C190 L180 L185 L190 87630288 1 6/6/2007 A.10.A / 1...

  • Page 21: Table Of Contents

    Contents DISTRIBUTION SYSTEMS ­ A PRIMARY HYDRAULIC POWER SYSTEM ­ 10.A TECHNICAL DATA PRIMARY HYDRAULIC POWER SYSTEM Capacity Special tools General specification Relief valve General specification Hydraulic pump General specification Filter by­pass General specification FUNCTIONAL DATA PRIMARY HYDRAULIC POWER SYSTEM Identification Hydraulic schematic frame 01 Hydraulic schematic frame 02...
  • Page 22 Decontaminating Relief valve Flow test Pressure test Hydraulic pump Flow test Disassemble Visual inspection Assemble Remove Install Charge pump Pressure test Pressure test (Machines Equipped with Pilot Controls) Reservoir Apply vacuum Filling Remove Install Visual inspection Filter Remove Install Oil cooler Remove Install DIAGNOSTIC...

  • Page 23: Primary Hydraulic Power System Capacity

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Capacity Hydraulic System Capacity ­ System 57 L (14.8 US gal) PRIMARY HYDRAULIC POWER SYSTEM ­ Special tools CAS10280 CAS ­ 10280 Flowmeter CAS1808 CAS­1808 Flowmeter Fitting Kit CAS10090 CAS­10090 Hand Pump 87630288 1 6/6/2007...
  • Page 24 57 L (14.8 US gal) SUPREME SAE 10W­30 Chain Tank NEW HOLLAND AMBRA AUTO Each Side 10.1 L (10.7 US qt) (L180 and L185 Machines) SUPREME SAE 10W­30 Chain Tank NEW HOLLAND AMBRA AUTO Each Side 12.3 L (13 US qt) (L190 Machines) SUPREME SAE 10W­30...

  • Page 25: Relief Valve General Specification

    Relief valve ­ General specification Loader Control Valve Main Relief Pressure Settings Main Relief Pressure at 20 gpm L180, L185 and L190 Machines 20,498 kPa (205 bar) (2975 ­50/+140 psi) at 2300 rpm C185 and C190 Machines 20,500 kPa (205 bar) (2975 psi) at 2300 rpm 87630288 1 6/6/2007 A.10.A / 6...

  • Page 26: Hydraulic Pump General Specification

    Hydraulic Pump Type Gear Displacement (Per Revolution) 31.8 cc (1.94 in ³) L180 ­ L185 ­ C185 Machines Flow at Engine Rated rpm at 100% Volumetric Efficiency 73.1 L/min (19.3 US gpm) L180 ­ L185 ­ C185 Machines Displacement (Per Revolution) 36.05 cc (2.20 in ³)

  • Page 27: Filter By­pass General Specification

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM Filter by­pass ­ General specification Return Filter Bypass Pressure 345 kPa (50 psi) 87630288 1 6/6/2007 A.10.A / 8...

  • Page 28: Primary Hydraulic Power System Identification

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Identification bs05e050 87630288 1 6/6/2007 A.10.A / 9...

  • Page 29: Hydraulic Schematic Frame

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 01 (Mechanical Control Machines) BC06J471­01A 17. Hydraulic reservoir 1. Left piston pump 9. Left drive motor 2. Right piston pump 10. Right drive motor 18. Drain manifold 3.
  • Page 30 DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM 7. Check valve 15. Charge pressure switch 8. Hydraulic pump 16. Orifice 87630288 1 6/6/2007 A.10.A / 11...
  • Page 31 DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 02 (Mechanical Control Machines) BC06J471­02A (5) Circuit Relief Valve (23) Tilt Cylinders (28) Lift Spool (16) Shut ­ Off Plug (24) Lift Cylinders (29) Auxiliary Spool (16A) Anti ­...

  • Page 32: Hydraulic Schematic Frame

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 03 (Mechanical Control Machines) BC06J471­03A (5) Circuit relief valve (15) Charge pressure switch (33) Left two speed shuttle valve (11) Left brake (16). Orifice (34) Right two speed shuttle valve (12).

  • Page 33: Hydraulic Schematic Frame

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 04 (Mechanical Control Machines) BC06J471­04A (5) Circuit Relief Valve (27) Tilt Spool (37) High Flow Pump (5A) Circuit Relief Valve (Track (28) Lift Spool (38) High Flow Oil Cooler Models) (16) Orifice (29) Auxiliary Spool...

  • Page 34: Hydraulic Schematic Frame

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 05 (Mechanical Control Machines) BC06J471­05A 40. Attachment case drain 41. Hydraulic coupler control valve 42. Hydraulic coupler cylinder 87630288 1 6/6/2007 A.10.A / 15...

  • Page 35: Hydraulic Schematic Frame

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 06 (Mechanical Control Machines) BC06J471­06A 43. Secondary auxiliary control valve 87630288 1 6/6/2007 A.10.A / 16...

  • Page 36: Hydraulic Schematic Frame 07 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 07 (Machines Equipped with Pilot Controls) BC06J471­07A 1. Left Piston Pump 9. Servo Piston 17. Charge Pressure Switch 2. Right Piston Pump 10. Hydraulic Pump 18.

  • Page 37: Hydraulic Schematic Frame 08 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 08 (Machines Equipped with Pilot Controls) BC06J471­08A 23. Backup Alarm Port 26. Ground Drive Controller Spool 24. Ground Drive Controller 27. Resolver Block Shuttle Valve 25.

  • Page 38: Hydraulic Schematic Frame 09 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 09 (Machines Equipped with Pilot Controls) BC06J471­09A 5. Circuit Relief Valve 32. Brake/Two Speed Valve 15. Flushing Valve 33. Charge Pressure Switch 18. Shut­Off Plug 34.

  • Page 39: Hydraulic Schematic Frame 10 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 10 (Machines Equipped with Pilot Controls) BC06J471­10A 38. Implement Controller 40. Implement Controller Spool 39. Control Interlock Valve 41. Implement Controller Spool with Magnetic Detent 87630288 1 6/6/2007 A.10.A / 20...

  • Page 40: Hydraulic Schematic Frame 11 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 11 (Machines Equipped with Pilot Controls) BC06J471­11A 5. Circuit Relief Valve 46. Tilt Cylinders 42. Loader Control Valve (Wheel Models) 47. Lift Cylinders 43. Tilt Spool 48.

  • Page 41: Hydraulic Schematic Frame 12 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 12 (Machines Equipped with Pilot Controls) BC06J471­12A 5. Circuit Relief Valve 47. Lift Cylinders 43. Tilt Spool 48. Tilt Cylinders with Cushions (190 Models) 44. Lift Spool 49.

  • Page 42: Hydraulic Schematic Frame 13 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 13 (Machines Equipped with Pilot Controls) BC06J471­13A 52. High Flow Pump 53. High Flow Filter 54. High Flow Control Valve 87630288 1 6/6/2007 A.10.A / 23...

  • Page 43: Hydraulic Schematic Frame 14 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 14 (Machines Equipped with Pilot Controls) BC06J471­14A 55. Attachment Case Drain 56. Hydraulic Coupler Control Valve 57. Hydraulic Coupler Cylinder 87630288 1 6/6/2007 A.10.A / 24...

  • Page 44: Hydraulic Schematic Frame 15 (Machines Equipped With Pilot Controls)

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Hydraulic schematic frame 15 (Machines Equipped with Pilot Controls) BC06J471­15A 58. Secondary Auxiliary Control Valve 87630288 1 6/6/2007 A.10.A / 25...

  • Page 45: Hydraulic Pump Sectional View

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM Hydraulic pump ­ Sectional view BS98F177 1. Gear plate 7. Washer 13. Wear plate 2. Cover 8. Washer 14. Seal 3. Bearing sleeve 9. Dowel pin 15. Seal 4. Body 10. Oil seal 16.

  • Page 46: Primary Hydraulic Power System Cleaning

    DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Cleaning Contamination in the hydraulic system is a major cause of the malfunction of hydraulic components. Contamination is any foreign material in the hydraulic oil. Contamination can enter the hydraulic system in several ways.
  • Page 47 DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM Visible contamination is foreign material that can be found by sight, touch, or odor. Visible contamination can cause a sudden failure of components. Exam­ ples of visible contamination: (A) Particles of metal or dirt in the oil. (B) Air in the oil.
  • Page 48 DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM Using the fitting kit CAS10508, install the valve in the hole for the drain plug. Make sure that the valve is closed. Stop the vacuum pump. Connect the inlet hose for the portable filter to the valve that is installed in the hole for the drain plug.
  • Page 49 DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM Install new hydraulic and hydrostatic filter elements on the machine. Start the engine. Check for oil leakage around the new hydraulic and hydrostatic filters. Stop the engine. Check the level of the oil in the reservoir and add oil as required.
  • Page 50 DISTRIBUTION SYSTEMS ­ PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM ­ Decontaminating Start and run the engine at 1500 rpm (r/min). Completely retract the all attachment cylinders on the machine. Stop the engine. WARNING If retracting the cylinder rods causes the attachment to be raised, block the attachment in place before pro­...
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This manual is also suitable for:

L190L185C185C190

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