New Holland Boomer 20 Service Manual
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New Holland Boomer 20 Service Manual

Compact tractor
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SERVICE MANUAL
Boomer
20 / Boomer
25
TM
TM
Compact Tractor
Part number 48017684
English
June 2016
© 2016 CNH Industrial America LLC. All Rights Reserved.

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  • Page 1 SERVICE MANUAL Boomer 20 / Boomer Compact Tractor Part number 48017684 English June 2016 © 2016 CNH Industrial America LLC. All Rights Reserved.
  • Page 2 SERVICE MANUAL Boomer™ 20 Boomer™ 25 48017684 02/06/2016 Find manuals at https://best-manuals.com...
  • Page 3 Link Product / Engine Product Market Product Engine Boomer™ 20 Europe S3L2 Boomer™ 25 Europe S3L2 48017684 02/06/2016 Find manuals at https://best-manuals.com...
  • Page 4 Contents INTRODUCTION Engine..................10 [10.001] Engine and crankcase ............. 10.1 [10.304] Engine lubrication system .
  • Page 5 [31.110] One-speed rear Power Take-Off (PTO) ..........31.3 [31.120] Central Power Take-Off (PTO) .
  • Page 6 [55.013] Engine oil system ..............55.5 [55.031] Parking brake electrical system .
  • Page 7 48017684 02/06/2016 Find manuals at https://best-manuals.com...
  • Page 8 INTRODUCTION 48017684 02/06/2016 Find manuals at https://best-manuals.com...

  • Page 9: Table Of Contents

    Contents INTRODUCTION Foreword ..................3 Foreword - Important notice regarding equipment servicing .

  • Page 10: Foreword

    20 and 25 tractors. Use this manual in conjunction with the operator's manual for complete operation, adjustment, and maintenance information On NEW HOLLAND equipment, left and right are determined by standing behind the unit, looking in the direction of travel.

  • Page 11: Foreword - Important Notice Regarding Equipment Servicing

    Specifications, descriptions, and illustrative material herein are as accurate as known at time of publication but are subject to change without notice. In case of questions, refer to your NEW HOLLAND Sales and Service Networks. 48017684 02/06/2016...

  • Page 12: International Symbols

    INTRODUCTION International symbols As a guide to the operation of the machine, various universal symbols have been utilized on the instruments, controls, switches, and fuse box. The symbols are shown below with an indication of their meaning. Thermostart Position Radio starting aid Control Alternator...

  • Page 13: Safety Rules

    INTRODUCTION Safety rules BT09A213 48017684 02/06/2016...

  • Page 14: Safety Rules

    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 15: Safety Rules - Ecology And The Environment

    Improper disposal of batteries can contaminate the soil, groundwater, and waterways. NEW HOLLAND strongly recommends that you return all used batteries to a NEW HOLLAND dealer, who will dispose of the used batteries or recycle the used batteries properly. In some countries, this is a legal requirement.

  • Page 16: Basic Instructions Hardware

    Plating Hardware used on NEW HOLLAND balers is plated with zinc chromate (gold color). Gold colored hardware has different torquing requirements from unplated or zinc plated (silver color) hardware because of the difference in the coefficient of friction of the plating material.

  • Page 17: Torque - Standard Torque Data For Hydraulic Connections

    Over-torquing of a hydraulic connection can also lead to leakage or failure. For some connections, NEW HOLLAND requires a different torque value than is listed in the ISO and SAE standards. • The torque values in this document should be used whenever possible or applicable.
  • Page 18 INTRODUCTION Torque values for metric O-Ring Boss (ORB) port connections S-Series * L-Series ** Metric Ferrous Non-Ferrous Ferrous Non-Ferrous thread N·m (lb ft) ± 10 % N·m (lb ft) ± 10 % N·m (lb ft) ± 10 % N·m (lb ft) ± 10 % M8 x 1 10.5 (7.7) 6.3 (4.6)
  • Page 19 INTRODUCTION Torque values for port connections (British Standard Pipe Parallel (BSPP) thread ports and stud ends) Metric tube Outside Diameter (OD) Ferrous Non-Ferrous mm (in) BSPP S-Series L-Series S-Series L-Series thread S-Series * L-Series ** N·m (lb ft) N·m (lb ft) N·m (lb ft) N·m (lb ft) G- Gas;...
  • Page 20 INTRODUCTION Torque values for Inch O-Ring Boss (ORB) port non-adjustable connections S-Series * L-Series ** Ferrous Non- Ferrous Non- Inch tube UN/UNF N·m (lb ft) Ferrous N·m (lb ft) Ferrous dash size thread size ± 10 % N·m (lb ft) ±...
  • Page 21 INTRODUCTION Torque values for inch O-Ring Boss (ORB) port plugs Ferrous Non-Ferrous Internal hex External hex UN/UNF N·m (lb ft) N·m (lb ft) N·m (lb ft) dash size thread size ± 10 % ± 10 % ± 10 % 5/16-24 7.5 (5.5) 12.5 (9.2) 7.5 (5.5)
  • Page 22 INTRODUCTION Torque values for four-bolt flange connections (Inch Screws, Grade 8) Code 61 Code 62 Metric size Imperial size Screw code Screw code N·m (lb ft) N·m (lb ft) ± 10 % ± 10 % 5/16-18 34 (25.1) 5/16-18 34 (25.1) 3/8-16 63 (46.5) 3/8-16...
  • Page 23 INTRODUCTION Torque values for O-Ring Face Seals (ORFS) connections Hex size Metric Swivel nut Swivel nut Inch tube (mm) UN/UNF tube dash torque torque OD (mm) (Reference thread size OD (mm) size N·m (lb ft) N·m (lb ft) only) ± 10 % ±...

  • Page 24: Basic Instructions - Shop And Assembly

    Only use CNH Original Parts or NEW HOLLAND Original Parts. 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 Original Parts can offer this guarantee.
  • Page 25 W0111A Special tools The special tools that NEW HOLLAND suggests and illustrate in this manual have been specifically researched and designed for use with NEW HOLLAND machines. The special tools are essential for reliable repair operations. The special tools are accurately built and rigorously tested to offer efficient and long-lasting operation.

  • Page 26: General Specification - Tractors With Hydrostatic Transmission (Hst)

    INTRODUCTION General specification - Tractors with Hydrostatic Transmission (HST) Model Model Boomer 20 - Boomer 25 - Hydrostatic Hydrostatic ENGINE Type Diesel Diesel Model S3L2 Engine Gross Horsepower 17 kW (23 Hp) 20 kW (27 Hp) Cylinders Bore 78 mm (3.07 in) 78 mm (3.07 in)
  • Page 27 INTRODUCTION Model Model Boomer 20 - Boomer 25 - Hydrostatic Hydrostatic ELECTRICAL SYSTEM Alternator 12 V, Heavy Duty, 50 A 12 V, Heavy Duty, 50 A Battery 12 V, w/ negative ground, 660 cca 12 V, w/ negative ground, 660 cca BCI...
  • Page 28 INTRODUCTION Model Model Boomer 20 - Boomer 25 - Hydrostatic Hydrostatic Direction of Rotation (As viewed from rear of tractor) Rear PTO Clockwise Clockwise Mid PTO Clockwise Clockwise HYDRAULIC LIFT SYSTEM Type Open Center Open Center Pump Type Gear Gear Pump Capacity 27.
  • Page 29 INTRODUCTION Model Model Boomer 20 - Boomer 25 - Hydrostatic Hydrostatic WHEEL BOLT TORQUES Front Wheel --- Disc-to-Hub: 93 - 108 N·m (69 - 80 lb ft) 93 - 108 N·m (69 - 80 lb ft) Rear Wheel --- Disc-to Axle 176 - 196 N·m (130 - 145 lb ft)

  • Page 30: General Specification - Tractor With Mechanical Transmission

    INTRODUCTION General specification - Tractor with mechanical transmission Model Model Boomer 20 - Boomer 25 - Mechanical Mechanical ENGINE Type Diesel Diesel Model S3L2 Engine Gross Horsepower 17 kW (23 Hp) @ 2700 RPM 20 kW (27 Hp) @ 2700 RPM...
  • Page 31 INTRODUCTION Model Model Boomer 20 - Boomer 25 - Mechanical Mechanical Type of Fuel to Use if Below 4 °C No. 1-Diesel, Cetane Rating: No. 1-Diesel, Cetane Rating: (40 °F) Minimum 40 Minimum 40 Injection Pump: Type In-Line In-Line Timing 19 °...
  • Page 32 INTRODUCTION Model Model Boomer 20 - Boomer 25 - Mechanical Mechanical Forward 3rd Low 4.34 km/h (2.70 mph) 4.34 km/h (2.70 mph) Reverse Low 2.24 km/h (1.39 mph) 2.24 km/h (1.39 mph) Forward 1st High 5.18 km/h (3.22 mph) 5.18 km/h (3.22 mph) Forward 2nd High 8.75 km/h (5.44 mph)

  • Page 33: General Specification

    ASTM D6751. NOTICE: It is imperative that you check which blend is approved for your engine with your NEW HOLLAND dealer. Be aware that the use of Biodiesel Fuel that does not comply with the Standards mentioned above could lead to severe damage to the engine and fuel system of your machine.

  • Page 34: Dimension

    INTRODUCTION Dimension Model Boomer 20 Model Boomer 25 (1) - LENGTH: FWD: 2632 mm (103.6 in) 2632 mm (103.6 in) (2) - WHEEL BASE: 2500 mm (98.4 in) 2500 mm (98.4 in) (3) - Top of ROPS - Folding: Ag Tires: 255/75-15.3...
  • Page 35 INTRODUCTION Model Boomer 20 Model Boomer 25 (5) - MINIMUM GROUND CLEARANCE (under drawbar support): Ag Tires: 225 mm (8.86 in) 225 mm (8.86 in) 255/75-15.3 Ind. Tires: 242 mm (9.53 in) 242 mm (9.53 in) 12.00 x 16.5 Turf Tires: 240 mm (9.45 in)
  • Page 36 INTRODUCTION 76114213 48017684 02/06/2016...

  • Page 37: Consumables

    Consumables Lubricant Type and Description Part Number Container Size 0.946 l (1 US qt) 104104A1 NEW HOLLAND AMBRA 139033A1 3.785 l (1 US gal) SUPER GOLD 10W-30 104106A1 18.93 l (5 US gal) Engine Oil 0.946 l (1 US qt)

  • Page 38: Capacities

    INTRODUCTION Capacities CAPACITIES Fuel Tank 25.0 l (6.6 US gal) 25.0 l (6.6 US gal) Cooling System 3.8 l (4.0 US qt) 3.8 l (4.0 US qt) Engine Crankcase: With Filter 4.2 l (4.4 US qt) 4.2 l (4.4 US qt) Rear Axle &...

  • Page 39: Product Identification

    The machine and major components are identified with Product Identification Number (PIN) plates. You should supply the PIN plate data to your NEW HOLLAND dealer when requesting parts or service, and also to identify the machine in case of theft.
  • Page 40 INTRODUCTION Roll Over Protective Structure (ROPS) Prod- uct Identification Number (PIN) The Roll Over Protective Structure (ROPS) PIN plate (3) is located on the ROPS cross brace behind the fuel tank. NHIL13CT00142BA NHIL13CT00854AA 48017684 02/06/2016...

  • Page 41: Product Identification Machine Orientation

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