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New Holland Boomer 20, Service Manual

The New Holland Boomer 20 Service Manual is an essential resource for optimizing the performance of your compact tractor. Easily download this comprehensive manual for free from manualshive.com, packed with detailed instructions and diagrams to help you with maintenance, repairs, and efficient operation of your Boomer 20.

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INTRODUCTION

Torque values for inch O-Ring Boss (ORB) port plugs

Ferrous

Non-Ferrous

SAE

dash size

UN/UNF

thread size

Internal hex

N·m (lb ft)

± 10 %

External hex

N·m (lb ft)

± 10 %

N·m (lb ft)

± 10 %

2

5/16-24

7.5 (5.5)

12.5 (9.2)

7.5 (5.5)

3

3/8-24

14.5 (10.7)

21 (15.5)

12.5 (9.2)

4

7/16-20

21 (15.5)

37 (27.3)

22 (16.2)

5

1/2-20

28 (20.7)

42 (31)

25 (18.4)

6

9/16-18

47 (34.7)

47 (34.7)

28 (20.7)

8

3/4-16

89 (65.6)

89 (65.6)

53 (39.1)

10

7/8-14

116 (85.6)

116 (85.6)

70 (51.6)

12

1-1/16-12

176 (129.8)

176 (129.8)

106 (78.2)

14

1-3/16-12

247 (182.2)

247 (182.2)

148 (109.2)

16

1-5/16-12

284 (209.5)

284 (209.5)

170 (125.4)

20

1-5/8-12

357 (263.3)

357 (263.3)

214 (157.8)

24

1-7/8-12

441 (325.3)

441 (325.3)

265 (195.5)

32

2-1/2-12

536 (395.3)

536 (395.3)

322 (237.5)

Torque values for four-bolt flange connections (Metric Screws, Class 10.9)

Metric size

mm

Imperial size

in

Screw code

61

Code 61

N·m (lb ft)

± 10 %

Screw code

62

Code 62

N·m (lb ft)

± 10 %

13

1/2

M8 x 1.25

34 (25.1)

M8 x 1.25

34 (25.1)

19

3/4

M10 x 1.5

74 (54.6)

M10 x 1.5

74 (54.6)

25

1

M10 x 1.5

74 (54.6)

M12 x 1.75

137 (101)

M12 x 1.75

137 (101)

32

1-1/4

M10 x 1.5

74 (54.6)

M14 x 1.5

189 (139.4)

38

1-1/2

M12 x 1.75

137 (101)

M16 x 2

310 (228.6)

51

2

M12 x 1.75

137 (101)

M20 x 2.5

575 (424.1)

64

2-1/2

M12 x 1.75

137 (101)

M24 x 3

575 (424.1)

76

3

M16 x 2

310 (228.6)

M30 x 3.5

680 (501.5)

89

3-1/2

M16 x 2

310 (228.6)

–

–

102

4

M16 x 2

310 (228.6)

–

–

127

5

M16 x 2

310 (228.6)

–

–

Torque values for four-bolt flange connections (Metric Screws, Class 8.8)

Metric size

mm

Imperial size

in

Screw code

61

Code 61

N·m (lb ft)

± 10 %

Screw code

62

Code 62

N·m (lb ft)

± 10 %

13

1/2

M8 x 1.25

29 (21.4)

M8 x 1.25

29 (21.4)

19

3/4

M10 x 1.5

57(42)

M10 x 1.5

57(42)

25

1

M10 x 1.5

57(42)

M12 x 1.75

100 (73.8)

M12 x 1.75

100 (73.8)

32

1-1/4

M10 x 1.5

57(42)

M14 x 1.5

160 (118)

38

1-1/2

M12 x 1.75

100 (73.8)

M16 x 2

250 (184.4)

51

2

M12 x 1.75

100 (73.8)

M20 x 2.5

500 (368.8)

64

2-1/2

M12 x 1.75

100 (73.8)

M24 x 3

575 (424.1)

76

3

M16 x 2

250 (184.4)

M30 x 3.5

680 (501.5)

89

3-1/2

M16 x 2

250 (184.4)

–

–

102

4

M16 x 2

250 (184.4)

–

–

127

5

M16 x 2

250 (184.4)

–

–

48017684 02/06/2016

14

Summary of Contents for Boomer 20

Page 1: ...Industrial America LLC All Rights Reserved SERVICE MANUAL BoomerTM 20 BoomerTM 25 Compact Tractor Part number 48017684 English June 2016 SERVICE MANUAL BoomerTM 20 BoomerTM 25 Compact Tractor Part number 48017684 ...

Page 2: ...SERVICE MANUAL Boomer 20 Boomer 25 48017684 02 06 2016 EN 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: ...tial 25 2 25 108 Final drive hub steering knuckles and shafts 25 3 25 310 Final drives 25 4 Rear axle system 27 27 106 Rear bevel gear set and differential 27 1 27 124 Final drive hub steering knuckles and shafts 27 2 Hydrostatic drive 29 29 100 Transmission and steering hydrostatic control 29 1 29 202 Hydrostatic transmission 29 2 29 204 Reservoir cooler and lines 29 3 29 218 Pump and motor compo...

Page 5: ... 35 204 Remote control valves 35 5 35 300 Reservoir cooler and filters 35 6 35 350 Safety and main relief valves 35 7 Hitches drawbars and implement couplings 37 37 110 Rear three point hitch 37 1 Steering 41 41 106 Tie rods 41 1 41 200 Hydraulic control components 41 2 41 216 Cylinders 41 3 Wheels 44 44 511 Front wheels 44 1 44 520 Rear wheels 44 2 Electrical systems 55 55 000 Electrical system 5...

Page 6: ... 55 201 Engine starting system 55 9 55 202 Cold start aid 55 10 55 302 Battery 55 11 55 404 External lighting 55 12 55 405 External lighting switches and relays 55 13 55 408 Warning indicators alarms and instruments 55 14 Platform cab bodywork and decals 90 90 120 Mechanically adjusted operator seat 90 1 48017684 02 06 2016 Find manuals at https best manuals com ...

Page 7: ...48017684 02 06 2016 Find manuals at https best manuals com ...

Page 8: ...INTRODUCTION 48017684 02 06 2016 1 Find manuals at https best manuals com ...

Page 9: ...que Standard torque data for hydraulic connections 10 Basic instructions Shop and assembly 17 General specification Tractors with Hydrostatic Transmission HST 19 General specification Tractor with mechanical transmission 23 General specification 26 Dimension 27 Consumables 30 Capacities 31 Product identification 32 Product identification machine orientation 34 48017684 02 06 2016 2 Find manuals at...

Page 10: ...s Boomer 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 48017684 02 06 2016 3 Find manuals at https best manuals com ...

Page 11: ...by parts and or components not approved by the manu facturer including those used for the servicing or repair of the product manufactured or marketed by the manufacturer In any case no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and or components not approved by the manufacturer The manufacturer reserves the right t...

Page 12: ...reen wash wipe Ground speed Hitch raise rear Engine oil pressure Rear wind screen wash wipe Differential lock Hitch lower rear Engine coolant temperature Heater temp erature control Rear axle oil tem perature Hitch height limit rear Coolant level Heater fan Transmission oil pressure Hitch height limit front Tractor lights Air conditioner FWD engaged Hitch dis abled Headlamp main beam Air filter bl...

Page 13: ...INTRODUCTION Safety rules BT09A213 1 48017684 02 06 2016 6 ...

Page 14: ...th or serious injury CAUTION indicates a hazardous situation that if not avoided could result in minor or moderate injury FAILURE TO FOLLOW DANGER WARNING AND CAUTION MESSAGES COULD RESULT IN DEATH OR SERIOUS INJURY Machine safety NOTICE Notice indicates a situation that if not avoided could result in machine or property damage Throughout this manual you will find the signal word Notice followed b...

Page 15: ...ot allow coolant mixtures to get into the soil Collect and dispose of coolant mixtures properly The air conditioning system contains gases that should not be released into the atmosphere Consult an air condi tioning specialist or use a special extractor to recharge the system properly Repair any leaks or defects in the engine cooling system or hydraulic system immediately Do not increase the press...

Page 16: ...tead of tensioning stretching it The tension on the bolt is what holds the joint together Approximately 90 of the torque applied during assembly goes to overcoming friction between the parts The other 10 is used to tension stretch the bolt After assembly the frictional forces disappear which is the basis for the saying If it does not fail during assembly it will not fail in service The bolt may la...

Page 17: ...rease or other lubricants to hydraulic connectors should be avoided If clean hydraulic oil is already on the connection it is not required to remove the oil Generally application of grease May cause a significant change in the torque required to properly tighten the connection May reduce the connection s resistance to vibration Excessive grease may displace an elastomer seal during tightening Grea...

Page 18: ... 7 220 162 3 132 97 4 M48 x 2 440 324 5 264 194 7 273 201 4 164 121 M60 x 2 525 387 2 315 232 3 330 243 4 198 146 S Series connectors are used with O Ring Face Seals ORFS L Series connectors are used with 37 flare Torque values for metric O Ring Boss ORB port plugs Ferrous Non ferrous Metric thread Internal hex N m lb ft 10 External hex N m lb ft 10 N m lb ft 10 M8 x 1 8 5 6 3 10 5 7 7 6 3 4 6 M10...

Page 19: ... Face Seals ORFS L Series connectors are used with 37 flare Torque values for metric port connections Metric face seal ports and stud ends Metric tube Outside Diameter OD mm in Ferrous Non Ferrous Metric thread S Series L Series S Series N m lb ft 10 L Series N m lb ft 10 S Series N m lb ft 10 L Series N m lb ft 10 M10 x 1 4 0 157 21 15 5 12 5 9 2 M12 x 1 5 4 0 157 6 0 236 47 34 7 32 23 6 28 20 7 ...

Page 20: ... Series connectors are used with O Ring Face Seals ORFS L Series connectors are used with 37 flare Torque values for inch O Ring Boss ORB port adjustable connections S Series L Series SAE dash size UN UNF thread size Inch tube OD mm in Ferrous N m lb ft 10 Non Ferrous N m lb ft 10 Ferrous N m lb ft 10 Non Ferrous N m lb ft 10 2 5 16 24 3 18 0 125 8 5 6 3 5 3 7 3 3 8 24 4 76 0 187 10 5 7 7 9 3 6 9 ...

Page 21: ...4 25 1 M8 x 1 25 34 25 1 19 3 4 M10 x 1 5 74 54 6 M10 x 1 5 74 54 6 25 1 M10 x 1 5 74 54 6 M12 x 1 75 137 101 M12 x 1 75 137 101 32 1 1 4 M10 x 1 5 74 54 6 M14 x 1 5 189 139 4 38 1 1 2 M12 x 1 75 137 101 M16 x 2 310 228 6 51 2 M12 x 1 75 137 101 M20 x 2 5 575 424 1 64 2 1 2 M12 x 1 75 137 101 M24 x 3 575 424 1 76 3 M16 x 2 310 228 6 M30 x 3 5 680 501 5 89 3 1 2 M16 x 2 310 228 6 102 4 M16 x 2 310 ...

Page 22: ...10 228 6 127 5 5 8 11 310 228 6 Tapered thread connection tightening British Standard Pipe Taper BSPT thread size inch National Pipe Thread Fuel NPTF thread size inch Turns from finger tight 1 8 28 1 8 27 2 3 1 4 19 1 4 18 2 3 3 8 19 3 8 18 2 3 1 2 14 1 2 14 2 3 3 4 14 3 4 14 2 3 1 11 1 11 1 2 1 5 2 5 1 1 4 11 1 1 4 11 1 2 1 5 2 5 1 1 2 11 1 1 2 11 1 2 1 5 2 5 2 11 2 11 1 2 1 5 2 5 Torque values f...

Page 23: ...e connection instead of O Ring Face Seals ORFS sizes 16 and up Torque values for 37 flare connections Joint Industry Council JIC SAE dash size UN UNF thread size Metric tube OD mm Inch tube OD mm Swivel nut torque N m lb ft 10 2 5 16 24 3 18 8 25 6 1 3 3 8 24 4 76 11 5 8 5 4 7 16 20 6 6 35 15 5 11 4 5 1 2 20 8 7 94 20 14 8 6 9 16 18 10 9 52 25 18 4 8 3 4 16 12 12 7 52 38 4 10 7 8 14 16 15 88 81 59...

Page 24: ...allation tool Do not tap the seal with a hammer or mallet 6 While you insert the seal check that the seal is perpendicular to the seat When the seal settles make sure that the seal makes contact with the thrust element if required 7 To prevent damage to the seal lip on the shaft position a protective guard during installation operations O ring seals Lubricate the O ring seals before you insert the...

Page 25: ...battery ground cable from the machine battery The electronic monitoring system and charging system will be damaged if this is not done 5 Remove the battery ground cable Reconnect the cable when you complete welding WARNING Battery acid causes burns Batteries contain sulfuric acid Avoid contact with skin eyes or clothing Antidote external Flush with water Antidote eyes flush with water for 15 minut...

Page 26: ... 0 085 mm 0 0020 0 0033 in CAPACITIES Fuel Tank 25 l 6 6 US gal 25 l 6 6 US gal Cooling System 3 8 l 1 0 US gal 3 8 l 1 0 US gal Engine Crankcase With Filter 4 l 1 10 US gal 4 l 1 10 US gal Rear Axle Transmission Includes Hydraulics HST 20 l 5 28 US gal 20 l 5 28 US gal Front Axle 3 l 1 US gal 3 l 1 US gal COOLING SYSTEM Type Pressurized Liquid with Recirculating Bypass Pressurized Liquid with Rec...

Page 27: ...C BRAKES Type Wet Disc Wet Disc 2 Disc per Side 223 mm 8 78 in x 174 mm 6 85 in 223 mm 8 78 in x 174 mm 6 85 in STEERING Type Power Power Turns Lock to Lock FWD 3 L to R 3 30 R to L 3 L to R 3 30 R to L Front Wheel Toe In 0 5 mm 0 0 20 in 0 5 mm 0 0 20 in Turning Radius w o Brakes FWD 2 5 m 8 ft Right turn 2 5 m 8 ft Left turn 2 5 m 8 ft Right turn 2 5 m 8 ft Left turn POWER TAKE OFF Type Independ...

Page 28: ...Low 0 5 23 km h 0 3 25 mph 0 5 23 km h 0 3 25 mph Reverse High 0 10 69 km h 0 6 64 mph 0 10 69 km h 0 6 64 mph CAST IRON WEIGHTS Front End With weight extension bracket installed 5 weights 26 kg 60 lb each 5 weights 26 kg 60 lb each With weight extension bracket installed Optional 3 weights 45 kg 100 lb each Optional 3 weights 45 kg 100 lb each Rear Wheel R 4 Tires 4 weights 2 per wheel 34 kg 75 l...

Page 29: ...heel Disc to Hub FWD 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 176 196 N m 130 145 lb ft ROPS ATTACHING BOLT TORQUES ROPS to Rear Axle 85 N m 63 lb ft 85 N m 63 lb ft Seat Belt 49 54 N m 36 40 lb ft 49 54 N m 36 40 lb ft 48017684 02 06 2016 22 ...

Page 30: ...cludes Hydraulics 24 l 6 3 US gal 24 l 6 3 US gal Front Axle 3 0 l 3 2 US qt 3 0 l 3 2 US qt COOLING SYSTEM Type Pressurized Liquid with Recirculating Bypass Pressurized Liquid with Recirculating Bypass Water Pump Type Centrifugal Centrifugal Drive V Belt V Belt Belt Deflection 10 13 mm 0 4 0 5 in when 10 kg 22 lb pressure is applied midway between belt pulleys 10 13 mm 0 4 0 5 in when 10 kg 22 lb...

Page 31: ...Steering System Relief Valve Setting 8826 kPa 1280 psi 8826 kPa 1280 psi POWER TAKE OFF Type Independent Independent Shaft Size Rear PTO 35 mm 1 4 in 35 mm 1 4 in Mid PTO 25 4 mm 1 in 25 4 mm 1 in Engine Speed for 540 RPM Rear PTO Operation 2430 RPM 2430 RPM Engine Speed for 2000 RPM Mid PTO Operatio 2479 RPM 2479 RPM Horsepower PTO Observed NA NA Direction of Rotation As viewed from rear of tract...

Page 32: ...f 23 x 8 50 12 6PR R3 23 x 8 50 12 6PR R3 Industrial 23 x 8 50 12 6PR R4 23 x 8 50 12 6PR R4 Flotation 250 60 12 110 A6 250 60 12 110 A6 Garden Pro 220 55R12 82A8 220 55R12 82A8 AG Narrow 1 6 12 4PR 6 12 4PR AG Narrow 2 6 12 4PR 6 12 4PR REAR Ag 255 75 15 3 119 A8TL R1 255 75 15 3 119 A8TL R1 Turf 33 x 12 50 16 5 4PR R3 33 x 12 50 16 5 4PR R3 Industrial 12 00 16 5 10PR R4 12 00 16 5 10PR R4 Flotat...

Page 33: ...necessary to change the engine oil engine oil filter and fuel filter elements more frequently than with Diesel Fuels Biodiesel Fuel can remove rust and particles from the inside of on site fuel storage tanks that would normally adhere to the sides of the tank Like particle deposits that commonly occur with Diesel Fuel these particles can become trapped by the machine fuel filters causing blockage ...

Page 34: ...sition 1742 mm 68 6 in 1742 mm 68 6 in Garden Pro 280 70R16 Up Position 2110 mm 83 in 2110 mm 83 in Down Position 1742 mm 68 6 in 1742 mm 68 6 in AG Narrow 1 9 5 16 Up Position 2123 mm 84 in 2123 mm 84 in Down Position 1742 mm 68 6 in 1742 mm 68 6 in AG Narrow 2 9 5 16 Up Position 2123 mm 84 in 2123 mm 84 in Down Position 1742 mm 68 6 in 1742 mm 68 6 in 4 WIDTH Rear Axle Outside to Outside of tire...

Page 35: ...5 mm 8 86 in Ind Tires 12 00 x 16 5 242 mm 9 53 in 242 mm 9 53 in Turf Tires 33x 12 50 16 5 240 mm 9 45 in 240 mm 9 45 in Flotation Tires 380 55 17 262 mm 10 31 in 262 mm 10 31 in Garden Pro 280 70R16 220 mm 9 in 220 mm 9 in AG Narrow 1 9 5 16 238 mm 9 in 238 mm 9 in AG Narrow 2 9 5 16 238 mm 9 in 238 mm 9 in 48017684 02 06 2016 28 ...

Page 36: ...INTRODUCTION 76114213 1 48017684 02 06 2016 29 ...

Page 37: ...LAND AMBRA SUPER GOLD 15W 40 407414R2 18 93 l 5 US gal NEW HOLLAND AMBRA MULTI G 134 HYDRAULIC TRANSMISSION OIL 404787A1 18 93 l 5 US gal Transmission Hydraulic Oil NEW HOLLAND AMBRA F200A HYDRAULIC FLUID B17805 18 93 l 5 US gal 87299775 0 946 l 1 US qt Front Axle Gear Oil NEW HOLLAND AMBRA HYPOIDE 90 87299136 18 93 l 5 US gal Grease NEW HOLLAND AMBRA GR 9 MULTI PURPOSE GREASE 132096A1 Tube 14 oz ...

Page 38: ...5 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 Transmission Includes Hydraulics 24 l 6 3 US gal 24 l 6 3 US gal Front Axle 3 0 l 3 2 US qt 3 0 l 3 2 US qt 48017684 02 06 2016 31 ...

Page 39: ...when requesting parts or service and also to identify the machine in case of theft Product Identification Number PIN plate The machine PIN Plate 1 is located on the left hand side of the frame NHIL16CT00203AA 1 NHIL13CT00853AA 2 Engine Product Identification Number PIN plate The engine PIN plate 2 is located on the rearward end of the engine valve cover NHIL16CT00204AA 3 48017684 02 06 2016 32 ...

Page 40: ...rotective 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 4 NHIL13CT00854AA 5 48017684 02 06 2016 33 ...

Page 41: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com ...

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