New Holland B80B Service Manual

Backhoe loader

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SERVICE MANUAL

B80B

Backhoe Loader

Part number 48143704

edition English

April 2017

CONSTRUCTION

Table of Contents

Summary of Contents for New Holland B80B

Page 2 SERVICE MANUAL B80B 48143704 20/04/2017 Find manuals at https://best-manuals.com...
Page 3 Contents INTRODUCTION Engine..................10 [10.001] Engine and crankcase ............. 10.1 [10.254] Intake and exhaust manifolds and muffler .
Page 4 [35.104] Fixed displacement pump ............35.3 [35.359] Main control valve .
Page 5 [55.518] Wiper and washer system............55.4 Front loader and bucket...............
Page 6 INTRODUCTION 48143704 20/04/2017 Find manuals at https://best-manuals.com...
Page 7: Table Of Contents
Contents INTRODUCTION Safety rules ..................3 Safety rules .
Page 8 INTRODUCTION Safety rules Personal safety This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible death or injury. Throughout this manual you will find the signal words DANGER, WARNING, and CAUTION followed by special in- structions.
Page 9: Safety Rules
INTRODUCTION Safety rules DANGER Improper operation or service of this machine can result in an accident. Do not operate this machine or perform any lubrication, maintenance, or repair on it until you have read and understood the operation, lubrication, maintenance, and repair information. Failure to comply will result in death or serious injury.
Page 10: Safety Rules - Ductile Iron
INTRODUCTION Safety rules - Ductile iron DANGER Altering cast ductile iron can cause it to weaken or break. Before you weld, cut, or drill holes on any part of this machine, make sure that the part is not cast ductile iron. Failure to comply will result in death or serious injury.
Page 11 INTRODUCTION Safety rules - Ductile iron DANGER Improper operation or service of this machine can result in an accident. Any unauthorized modifications made to this machine can have serious consequences. Consult an authorized dealer on changes, additions, or modifications that may be required for this machine. Do not make any unauthorized modifications.
Page 12: Safety Rules
INTRODUCTION Safety rules Unless otherwise instructed, always perform these steps before you service the machine: 1. Park the machine on a flat, level surface. 2. Place the backhoe in the transport position with the swing lock pin installed for transport. 3.
Page 13: Safety Rules - Ecology And The Environment
INTRODUCTION Safety rules - Ecology and the environment Soil, air, and water are vital factors of agriculture and life in general. When legislation does not yet rule the treatment of some of the substances required by advanced technology, sound judgment should govern the use and disposal of products of a chemical and petrochemical nature.
Page 14: Basic Instructions - Important Notice Regarding Equipment Servicing
Some information could not be updated due to modifications of a technical or commercial type, or changes to the laws and regulations of different countries. In case of questions, refer to your Case New Holland Construction Equipments Sales and Service Networks. 48143704 20/04/2017...
Page 15: Basic Instructions
INTRODUCTION Basic instructions WARNING Explosive gas! Batteries emit explosive hydrogen gas and other fumes while charging. Ventilate the charging area. Keep the battery away from sparks, open flames, and other ignition sources. Never charge a frozen battery. Failure to comply could result in death or serious injury. W0005A WARNING Hazardous chemicals!
Page 16: Basic Instructions - Fuse And Relay Locations
INTRODUCTION Basic instructions - Fuse and relay locations The machine is equipped with a fuse located on the side console. Side console box 1. Turn the thumb screws (1) to loosen the panel cover (2) for the fuse box. Remove the panel cover. 2.
Page 17: Basic Instructions
INTRODUCTION Basic instructions WARNING Crushing hazard! If you service the machine with the loader lift arms raised, always use the support strut. Remove the retaining pin and place the support strut onto the cylinder rod. Install the retaining pin into the support strut.
Page 18 INTRODUCTION Lower supported loader lift arms: 1. Raise the lift arms so that the end of the support strut no longer rests on the cylinder. 2. Shut down the engine. RCPH10TLB227AAF 3. Remove the retaining pin from the support strut. 4.
Page 19: Basic Instructions
INTRODUCTION Basic instructions Open the hood: 1. Shut down the engine. 2. Turn the handle (1) counter-clockwise to release the hood latch. PTIL13TLB1558AB 3. Lift the hood and rotate forward. PTIL12TLB0559AB NOTICE: To avoid damage to the hood parts, always close the hood before moving the loader. Close the hood: 1.
Page 20: Basic Instructions - Shop And Assembly
Only genuine spare parts guarantee the same quality, duration, and safety as original parts, as they are the same parts that are assembled during standard production. Only CNH Original Parts or NEW HOLLAND CONSTRUCTION Original Parts can offer this guarantee.
Page 21 Failure to comply could result in death or serious injury. W0111A The special tools that NEW HOLLAND CONSTRUCTION suggests and illustrate in this manual have been specifically researched and designed for use with NEW HOLLAND CONSTRUCTION machines. The special tools are essential for reliable repair operations.
Page 22: Torque - Minimum Tightening Torques For Normal Assembly
INTRODUCTION Torque - Minimum tightening torques for normal assembly METRIC NON-FLANGED HARDWARE NOM. LOCKNUT LOCKNUT SIZE CL.8 CL.10 CLASS 8.8 BOLT and CLASS 10.9 BOLT and W/CL8.8 W/CL10.9 CLASS 8 NUT CLASS 10 NUT BOLT BOLT PLATED PLATED UNPLATED UNPLATED W/ZnCr W/ZnCr 2.2 N·m (19 lb...
Page 23 INTRODUCTION METRIC FLANGED HARDWARE NOM. CLASS 8.8 BOLT and CLASS 10.9 BOLT and LOCKNUT LOCKNUT SIZE CLASS 8 NUT CLASS 10 NUT CL.8 CL.10 W/CL8.8 W/CL10.9 BOLT BOLT PLATED PLATED UNPLATED UNPLATED W/ZnCr W/ZnCr 2.4 N·m (21 lb 3.2 N·m (28 lb 3.5 N·m (31 lb 4.6 N·m (41 lb 2.2 N·m (19 lb...
Page 24 INTRODUCTION 1. Manufacturer's Identification 2. Property Class 3. Clock Marking of Property Class and Manufacturer's Identification (Optional), i.e. marks 60° apart indicate Class 10 properties, and marks 120° apart indicate Class 8. INCH NON-FLANGED HARDWARE LOCKNUT LOCKNUT NOMINAL SAE GRADE 5 BOLT SAE GRADE 8 BOLT GrB W/ Gr5 GrC W/ Gr8...
Page 25 INTRODUCTION INCH FLANGED HARDWARE NOM- LOCKNUT LOCKNUT SAE GRADE 5 BOLT and SAE GRADE 8 BOLT and INAL GrF W/ Gr5 GrG W/ Gr8 SIZE BOLT BOLT UNPLATED PLATED UNPLATED PLATED or PLATED W/ZnCr or PLATED W/ZnCr SILVER GOLD SILVER GOLD 12 N·m (106 lb 13 N·m (115 lb...
Page 26 INTRODUCTION Inch Lock Nuts, All Metal (Three optional methods) 20090268 Grade Identification Grade Corner Marking Method (1) Flats Marking Method (2) Clock Marking Method (3) Grade A No Notches No Mark No Marks Grade B One Circumferential Notch Letter B Three Marks Grade C Two Circumferential Notches...
Page 27: Torque - Standard Torque Data For Hydraulics
INTRODUCTION Torque - Standard torque data for hydraulics INSTALLATION OF ADJUSTABLE FITTINGS IN STRAIGHT THREAD O RING BOSSES 1. Lubricate the O-ring by coating it with a light oil or petroleum. Install the O-ring in the groove adjacent to the metal backup washer which is assembled at the extreme end of the groove (4).
Page 28 INTRODUCTION PIPE THREAD FITTING TORQUE PIPE THREAD FITTING Torque (Maximum) Thread Size Before installing and tightening pipe fittings, clean the 1/8-27 13 N·m (10 lb ft) threads with a clean solvent or Loctite cleaner and apply 1/4-18 16 N·m (12 lb ft) sealant L ®...
Page 29: Abbreviation - Measurements
INTRODUCTION Abbreviation - Measurements Typical applications Metric unit Imperial unit Name Symbol Name Symbol Area (Land area) acre hectare square meter m² square foot ft² square inch in² square millimeter mm² square inch in² Electricity ampere ampere volt volt microfarad µF microfarad µF...
Page 30 INTRODUCTION Typical applications Metric unit Imperial unit Name Symbol Name Symbol Temperature (other than Thermodynamic) degrees Celsius °C degrees Fahrenheit °F Time hour hour minute minute second second Torque (includes Bending moment, Moment of force, and Moment of a couple) newton meter pound foot lb ft...
Page 31: Capacities
INTRODUCTION Capacities For B80B Usage S.N. Specification Brand B80B Transmission oil 2WD SAE 15W30 CASE TRANSPOWER 16.00 l (4.23 US gal) Transmission oil 4WD 18.50 l (4.89 US gal) SAE 15W30 CASE TRANSPOWER 17.10 l (4.52 US gal) Rear axle oil...
Page 32 SERVICE MANUAL Engine B80B 48143704 20/04/2017...
Page 33 Contents Engine - 10 [10.001] Engine and crankcase ............. . . 10.1 [10.254] Intake and exhaust manifolds and muffler .
Page 34 Engine - 10 Engine and crankcase - 001 B80B 48143704 20/04/2017 10.1 [10.001] / 1...
Page 35 Contents Engine - 10 Engine and crankcase - 001 SERVICE Engine Remove ................. . 3 Install .
Page 36 Engine - Engine and crankcase Engine - Remove Prior operation: Refer to Basic instructions Prior operation: Refer to Hood - Remove (90.100) Prior operation: Refer to Radiator - Remove (10.400) Prior operation: Refer to Exhaust manifold - Remove (10.254) NOTE: Put identification tags on all disconnected hoses and wires.
Page 37 Engine - Engine and crankcase 4. Remove the muffler support bracket bolt (2). PTIL13TLB0957AB 5. Remove the bolt (1) and the muffler assembly from the engine. PTIL13TLB0958AB 6. Disconnect the throttle linkage (1) from the pump and set it aside. PTIL13TLB0954AB 7.
Page 38 Engine - Engine and crankcase 8. Remove the access cover from the flywheel housing (1). Turn the flywheel for access to the cap screws. Remove the cap screws to disconnect the torque con- verter from the engine. Connect lifting equipment to the lifting eyes on the en- gine to hold the engine in place.
Page 39 Engine - Engine and crankcase Engine - Install If applicable, remove caps and plugs from previously disconnected hoses and fittings. Remove identification tags after making the hose and wire connections. NOTE: The photos in this procedure may be different from your machine and are for reference only.
Page 40 Engine - Engine and crankcase 7. Connect the coolant temperature (1), alternator, oil pressure (2) connectors. PTIL13TLB0955AB 8. Connect the fuel return and inlet lines (1) and mount the fuel filter assembly (3) by tightening the mounting bolts (2). PTIL13TLB0953AB 9.
Page 41 Engine - Engine and crankcase 13. Attach the muffler and brackets (1) to the engine. Tighten it to a torque value of 32 – 38 N·m (24 – 28 lb ft). PTIL13TLB0958AB 14. Install the muffler support bracket bolt (2). Tighten it to a torque value of 32 –...
Page 42 Engine - Engine and crankcase Engine - Troubleshooting NOTE: The following table lists problems and their possible causes with recommended remedial action. ATTENTION: When attending a repair the cause of the problem must also be investigated and corrected to avoid repeat failures.
Page 43 Engine - Engine and crankcase Problem Possible Cause Correction Exhaust gas leakage into cooling Renew cylinder head gasket Coolant aeration Tighten all connections and check coolant level is correct. Ensure cylinder head gas- ket has not blown Cylinder head gasket improperly installed Renew cylinder head gasket installed Hot spot due to rust and scale or clogged Reverse flush entire clogged water water jackets...
Page 44 Index Engine - 10 Engine and crankcase - 001 Engine - Install ............... . Engine - Remove .
Page 45 48143704 20/04/2017 10.1 [10.001] / 12...
Page 46 Engine - 10 Intake and exhaust manifolds and muffler - 254 B80B 48143704 20/04/2017 10.2 [10.254] / 1...
Page 47 Contents Engine - 10 Intake and exhaust manifolds and muffler - 254 FUNCTIONAL DATA Exhaust manifold Exploded view ................3 SERVICE Exhaust manifold Remove .
Page 48 Engine - Intake and exhaust manifolds and muffler Exhaust manifold - Exploded view PTIL13TLB1200FB Muffler Bolt Bracket with muffler Washer Screw Muffler gasket Washer Muffler brace Nylock nut 10. Nut 48143704 20/04/2017 10.2 [10.254] / 3...
Page 49 Engine - Intake and exhaust manifolds and muffler PTIL13TLB1201FB Exhaust stack Washer Nylock nut Clamp Bolt 48143704 20/04/2017 10.2 [10.254] / 4...
Page 50 Engine - Intake and exhaust manifolds and muffler Exhaust manifold - Remove Put identification tags on all disconnected hoses and wires. Be prepared to cap or plug disconnected hoses and fittings. NOTE: The images in this procedure may be different from your machine and are for reference only.
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New Holland B80B Service Manual

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