PDF Service Manual New Holland Boomer 40 Boomer 50 Tractor - 18 MB
This is the complete service manual for the New Holland Boomer 40 and Boomer 50 compact tractors with cab (Tier 4B).
This extensive guide offers in-depth repair procedures, troubleshooting charts, and technical specifications.
It is an essential tool for professional technicians to maintain and repair these versatile tractors.
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--- Page 1 ---
SERVICE SERVICE MANUAL
MANUAL
Boomer 40 Cab / Boomer 50 Cab
TM TM
Compact Tractor
Boomer 40 Cab TM
BoomerTM 40 - From PIN 0 to 2103012735; From PIN 2103012736 to 2106014859; PIN 2106014860 and above;
BoomerTM 50 - From PIN 0 to 2105012137; From PIN 2105012138 to 2105013791; PIN 2105013792 and above
Boomer 50 Cab TM
Compact Tractor
BoomerTM 40 - From PIN 0 to 2103012735;
From PIN 2103012736 to 2106014859;
PIN 2106014860 and above;
BoomerTM 50 - From PIN 0 to 2105012137;
From PIN 2105012138 to 2105013791;
PIN 2105013792 and above
Part number 48017703
1st edition English
Part number 48017703 December 2016
© 2016 CNH Industrial America LLC. All Rights Reserved.
--- Page 3 ---
INTRODUCTION
Safety rules - Personal safety
Boomer™ 40 WE
Boomer™ 50 WE
General safety rules
Read this manual carefully before starting, using carrying out maintenance, refueling or performing any other type of
operation on the tractor.
Read all the safety decals on the tractor and follow the instructions thereon before starting, operating, refueling or
carrying out maintenance on the tractor. Promptly replace any decals that are damaged, lost or illegible. Clean the
decals if they are covered by mud or debris.
The tractor must only be used by responsible personnel, trained in tractor use and authorized to operate the tractor.
Use caution when operating the tractor on slopes. Raised equipment, full tanks and other loads will change the center
of gravity of the tractor. The tractor can tip or roll over when near ditches and embankments or uneven surfaces.
Avoid using the tractor in unsuitable physical conditions, stop work instead.
Never permit anyone other than the operator to ride on the tractor.
Never operate the tractor under the influence of alcohol, drugs, or while otherwise impaired.
When digging or using ground engaging attachments be aware of buried cables. Contact local utilities to determine
the locations of services.
Pay attention to overhead power lines and hanging obstacles. High voltage lines may require significant clearance
for safety.
Hydraulic oil or diesel fuel leaking under pressure can penetrate the skin, causing serious injury or infection.
• DO NOT use your hand to check for leaks. Use a piece of cardboard or paper.
• Stop engine, remove key and relieve the pressure before connecting or disconnecting fluid lines.
• Make sure all components are in good condition and tighten all connections before starting the engine or pressur-
izing the system.
• If hydraulic fluid or diesel fuel penetrates the skin, seek medical attention immediately.
• Continuous long term contact with hydraulic fluid may cause skin cancer. Avoid long term contact and wash the
skin promptly with soap and water.
• Before removing any hydraulic tubing, check that the system is not pressurized.
Do not alter the calibration of the pressure relief valves in the various hydraulic circuits (steering, hydraulic lift, auxiliary
distributors, etc.).
Keep clear of moving parts. Loose clothing, jewelry, watches, long hair, and other loose or hanging items can become
entangled in moving parts.
Wear protective equipment when appropriate.
DO NOT attempt to remove material from any part of the tractor while it is being operated or components are in motion.
Make sure all guards and shields are in good condition and properly installed before operating the tractor. Never
operate the tractor with shields removed. Always close access doors or panels before operating the tractor.
Enter and leave the tractor using the steps and handles provided. Dirty or slippery steps, ladders, walkways, and
platforms can cause falls. Make sure these surfaces remain clean and clear of debris.
A person or pet within the operating area of a tractor can be struck or crushed by the tractor or its equipment. DO
NOT allow anyone to enter the work area.
Raised equipment and/or loads can fall unexpectedly and crush persons underneath. Never allow anyone to enter
the area underneath raised equipment during operation.
48017703 07/12/2016
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--- Page 4 ---
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
Lock nut Lock nut
SAE Grade 5 bolt and SAE Grade 8 bolt and
Nominal size Grade B with Grade C with
nut nut
Grade 5 bolt Grade 8 bolt
Unplated Plated Unplated
Plated with
or plated with ZnCr or plated
ZnCr Gold
Silver Gold Silver
8 N·m (71 lb 11 N·m (97 lb 12 N·m 16 N·m 12.2 N·m (109 lb
1/4 8.5 N·m (75 lb in)
in) in) (106 lb in) (142 lb in) in)
17 N·m 23 N·m 24 N·m 32 N·m 17.5 N·m (155 lb 25 N·m (220 lb
5/16
(150 lb in) (204 lb in) (212 lb in) (283 lb in) in) in)
30 N·m (22 lb 40 N·m 43 N·m (31 lb 57 N·m (42 lb
3/8 31 N·m (23 lb ft) 44 N·m (33 lb ft)
ft) (30 lb ft) ft) ft)
48 N·m (36 lb 65 N·m 68 N·m (50 lb 91 N·m (67 lb
7/16 50 N·m (37 lb ft) 71 N·m (53 lb ft)
ft) (48 lb ft) ft) ft)
74 N·m (54 lb 98 N·m 104 N·m 139 N·m 108 N·m (80 lb
1/2 76 N·m (56 lb ft)
ft) (73 lb ft) (77 lb ft) (103 lb ft) ft)
107 N·m 142 N·m 150 N·m 201 N·m 156 N·m (115 lb
9/16 111 N·m (82 lb ft)
(79 lb ft) (105 lb ft) (111 lb ft) (148 lb ft) ft)
147 N·m 196 N·m 208 N·m 277 N·m 153 N·m (113 lb 215 N·m (159 lb
5/8
(108 lb ft) (145 lb ft) (153 lb ft) (204 lb ft) ft) ft)
261 N·m 348 N·m 369 N·m 491 N·m 271 N·m (200 lb 383 N·m (282 lb
3/4
(193 lb ft) (257 lb ft) (272 lb ft) (362 lb ft) ft) ft)
420 N·m 561 N·m 594 N·m 791 N·m 437 N·m (323 lb 617 N·m (455 lb
7/8
(310 lb ft) (413 lb ft) (438 lb ft) (584 lb ft) ft) ft)
630 N·m 841 N·m 890 N·m 1187 N·m 654 N·m (483 lb 924 N·m (681 lb
1
(465 lb ft) (620 lb ft) (656 lb ft) (875 lb ft) ft) ft)
NOTE: For imperial units, 1/4 in and 5/16 in hardware torque specifications are shown in pound-inches. 3/8 in through
1 in hardware torque specifications are shown in pound-feet.
48017703 07/12/2016
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--- Page 5 ---
INTRODUCTION
General specification
Boomer™ 40 WE
Boomer™ 50 WE
Model Model
Boomer 40 - Boomer 50 -
Hydrostatic/Gear Hydrostatic/Gear
ENGINE
Type Diesel Diesel
Model S4QL S4QL
Engine Gross Horsepower 30.2 kW (40.4 Hp) 34.6 kW (46.4 Hp)
Cylinders 4 4
Bore 88 mm (3.46 in) 88 mm (3.46 in)
Stroke 103 mm (4.05 in) 103 mm (4.05 in)
Displacement 2.50 l (152.56 in³) 2.50 l (152.56 in³)
Compression Ratio 22.0:1 20.0:1
Firing Order 1-3-4-2 1-3-4-2
Low Idle Speed 830±20 RPM 830±20 RPM
Maximum Speed:
High Idle 2780±30 RPM 2780±30 RPM
Rated 2600 RPM 2600 RPM
Valve Clearance (Cold)
Intake 0.25 mm 0.25 mm (0.010 in)
(0.010 in)
Exhaust 0.25 mm (0.010 in) 0.25 mm (0.010 in)
COOLING SYSTEM
Type Pressurized Liquid with Pressurized Liquid with Recirculating
Recirculating Bypass Bypass
Water Pump:
Type Centrifugal Centrifugal
Drive V-Belt V-Belt
Belt Deflection 10 - 13 mm (0.4 - 0.5 in) when 10 - 13 mm (0.4 - 0.5 in) when 10 kg
10 kg (22 lb) pressure is applied (22 lb) pressure is applied midway
midway between belt pulleys between belt pulleys
Fan Diameter 380 mm (15.0 in) 380 mm (15.0 in)
Thermostat:
Start to Open 76.5 °C (170 °F) 76.5 °C (170 °F)
Fully Open 90 °C (194 °F) 90 °C (194 °F)
Radiator Cap 90 kPa (13 psi) 90 kPa (13 psi)
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
BCI Group 34 Group 34
Starting Motor Solenoid Pre-Engaged Reduction Solenoid Pre-Engaged Reduction
FUEL SYSTEM
Fuel Type Diesel Diesel
Type of Fuel to Use if Above 4 °C No. 2-Diesel, Cetane Rating: No. 2-Diesel, Cetane Rating: Minimum
(40 °F) Minimum 40 40
Type of Fuel to Use if Below 4 °C No. 1-Diesel, Cetane Rating: No. 1-Diesel, Cetane Rating: Minimum
(40 °F) Minimum 40 40
Injection Pump:
Type In-Line In-Line
48017703 07/12/2016
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48017703 07/12/2016
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--- Page 8 ---
Engine - Fuel filters
Fuel filters - Replace fuel filter
Boomer™ 40 WE
Boomer™ 50 WE
NOTE: Change the diesel fuel filter (1) after the first 50 hours of operation, then following every 500 operating hours
thereafter.
NHIL13CT01068AA 1
1. Loosen fuel filter drain plug (2) and drain fuel from the
filter.
2. Disconnect the electrical connector from the fuel filter
sensor (3).
3. Remove the fuel filter element (4) from the filter base
4. Remove the fuel filter sensor (3) from the original ele-
ment and install sensor with O-ring (5) onto new ele-
ment.
5. Install new element onto the filter base.
6. Connect electrical connector to the fuel filter sensor.
93100920 2
7. Tighten fuel filter drain plug.
8. Bleed the air from the fuel filter, by pressing the manual
fuel feed pump (6) several times. The manual feed
pump will bleed the air back to the fuel tank. There
is no need to open any bleed ports in the fuel system.
NHIL13CT01251AA 3
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--- Page 9 ---
Engine - Fuel injection system
NOTE: (Refer to figure 1 for locations.)
(4) Dimensions
(KF) = The distance between the’
Barrel’ and the ‘Plunger’ before 5.700 - 5.900 mm (0.224 - 0.232 in) 5.700 - 5.900 mm (0.224 - 0.232 in)
increase of ’Head’ pressure.
(MS) = Distance between governor
sleeve and control lever. Controls 0.900 - 1.100 mm (0.035 - 0.043 in) 0.900 - 1.100 mm (0.035 - 0.043 in)
fuel quantity when starting.
(K) = The distance between the’
Barrel’ and the ‘Plunger’ after 3.200 - 3.400 mm (0.126 - 0.134 in) 3.200 - 3.400 mm (0.126 - 0.134 in)
increase of ’Head’ pressure.
(BCS)
Control lever angle
(a) 14 - 22 ° 14 - 22 °
(A) mm mm
(b) 33 - 43 ° 33 - 43 °
(B) mm mm
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--- Page 10 ---
Index
Engine - 10
Engine lubrication system - 304
Engine lubrication system - Change fluid and engine oil filter (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Engine lubrication system - Troubleshooting (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
(*) See content for specific models
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--- Page 11 ---
Contents
Clutch - 18
Clutch mechanical release control - 100
FUNCTIONAL DATA
Clutch mechanical release control
Exploded view (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Exploded view - Clutch linkage, Gear Transmission (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Dynamic description (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Dynamic description - Clutch pedal safety switch (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SERVICE
Clutch mechanical release control
Disassemble - Release bearing (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Assemble - release bearing (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Remove - clutch pedal switch (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Clutch hydraulic release control - Service instruction - Clutch pedal switch (*) . . . . . . . . . . . . . . . . . . . . . 13
Test - clutch pedal switch (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Install - clutch pedal switch (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Clutch hydraulic release control - Adjust - Pedal free play (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Clutch hydraulic release control - Check - Engagement and slippage (*) . . . . . . . . . . . . . . . . . . . . . . . . . . 17
(*) See content for specific models
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--- Page 12 ---
Clutch - Clutch mechanical release control
Clutch hydraulic release control - Adjust - Pedal free play
Boomer™ 40 4WD, Cab, Europe WE Platform - With cab
Boomer™ 40 [0 - 2103012735] WE
Boomer™ 40 [2103012736 - 2106014859] WE
Boomer™ 40 [2106014860 - ] WE
Boomer™ 50 4WD, Cab, Europe WE Platform - With cab
Boomer™ 50 [0 - 2105012137] WE
Boomer™ 50 [2105012138 - 2105013791] WE
Boomer™ 50 [2105013792 - ] WE
1. Loosen adjustment nut (1), and turn joint (2) to attain 20
- 30 mm (0.78 - 1.18 in) of free play (A). Tightening the
joint will decrease the amount of free play, loosening
the joint will increase the amount of free play.
2. Apply grease to appropriate areas of all moving parts
3. Tighten adjustment nut after specified free play is
achieved.
4. Verify that pedal travels smoothly throughout range of
motion.
93102286A 1
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--- Page 13 ---
Contents
Clutch - 18
Slip clutch or flywheel damper - 112
SERVICE
Slip clutch or flywheel damper
Measure - disc (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
(*) See content for specific models
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--- Page 14 ---
Transmission - Mechanical transmission
Ref. Description Ref. Description
(1) PTO drive shaft (14) Reverse idler gear
(2) Pinion drive shaft (15) Forward/reverse driven shaft
(3) Mid PTO drive shaft (16) Forward/reverse synchromesh selector
(4) Range drive gear (17) Gear (1 - 2) synchromesh selector
(5) Range selector (R1 - R3) (18) Main gear driven shaft
(6) Range gear driven shaft (19) Gear (3 - 4) synchromesh selector
(7) Range selector (R2 - R4) (20) Forward/reverse drive shaft
(8) Mid PTO output shaft (21) Reverse drive gear
(9) Range gear drive shaft (22) Forward drive gear
(10) Four wheel drive selector (23) Main gear shaft
(11) Four wheel drive gear (24) PTO shaft
(12) Four wheel drive shaft (25) PTO clutch
(13) Reverse idler shaft (26) PTO clutch output shaft
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Transmission - Mechanical transmission
(8) Snap ring (17) Forward driven gear (26) Spacer, forward and (35) Shift sleeve
(44T) reverse driven shaft
(9) Forward drive gear (38T) (18) Ball bearing (27) Sleeve gear (36) Synchronizer ring
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Transmission - Mechanical transmission
Mechanical transmission - Exploded view shift lever and fork
mechanical transmission
Boomer™ 40 4WD, Cab, Europe WE Platform - With cab
Boomer™ 40 [0 - 2103012735] WE
Boomer™ 40 [2103012736 - 2106014859] WE
Boomer™ 40 [2106014860 - ] WE
Boomer™ 50 4WD, Cab, Europe WE Platform - With cab
Boomer™ 50 [0 - 2105012137] WE
Boomer™ 50 [2105012138 - 2105013791] WE
Boomer™ 50 [2105013792 - ] WE
NHIL14CT00288BA 1
Shift lever and fork mechanical transmission components
(1) Pedal frame mount (8) Spring pin (15) Hex bolt, M6 x (22) Target plate (29) Shift fork ball
35mm
(2) Mount spacers (9) Dust cover (16) Hex bolt, M5 x (23) Hex bolt with (30) Forward and
30mm washer, M5 x 16mm reverse rail
(3) Forward / reverse (10) Snap ring (17) Proximity switch (24) Spring pin (31) Shift arm
lever guide
(4) Hex bolt with (11) Washer (18) Neutral switch (25) Forward and (32) Spring pin
washer, M8 x 1.25 x bracket reverse fork
40mm
(5) Hand lever, (12) O - ring (19) Snap ring (26) Rail bolt (33) Forward and
forward and reverse reverse lever
shift
(6) Knob (13) Hex bolt, M8 x (20) Neutral switch (27) O - ring (34) Lock plate
1.25 x 25mm support
(7) Screw , M5 x (14) Forward and (21) Flange nut, M5 (28) Spring
10mm reverse lever guide
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Transmission - Mechanical transmission
8. Roll the floor jack (1) out of the way.
9. Remove the cap (2).
93109769 7
10. Connect oil return line (1) by installing a flexible union
(2) and two hose clamps (3).
93109767 8
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Transmission - Mechanical transmission internal components
3. Remove spring pin (1) from four wheel drive lever.
NOTE: Access the spring pin from the hole in the center
casing.
93112270 3
4. Remove four wheel drive arm (3), check O-rings (2) for
wear and replace if damaged.
5. Remove four wheel drive lever (1).
7610029804 4
6. Remove the four wheel drive seal housing (1).
NOTICE: Check the condition of the O-ring (2) and the oil
seal (3), if damaged, replace.
7. Remove the snap ring (4).
761002904 5
8. Remove the four wheel drive shaft (1), gear (3), snap
ring (2), and bearings (4).
NOTE: The shaft can be driven out from the rear, through
the center casing.
761002904 6
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Transmission - Mechanical transmission internal components
Transmission internal parts - Assemble - Creeper gears
Boomer™ 40 WE
Boomer™ 50 4WD, Cab, Europe WE Platform - With cab
1. Install creeper gear sliding coupler assembly (1) into
housing.
NHIL16CT00195AA 1
2. Install the Forward/Reverse shift fork and rail (2).
NHIL16CT00194AA 2
3. Install creeper gear idler gear and shaft (3).
NHIL16CT00193AA 3
4. Install creeper shift fork and rail (4).
NHIL16CT00192AA 4
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Transmission - Mechanical transmission internal components
4. Remove the four wheel drive arm (1). Inspect O-rings
(2) and replace if necessary.
7610029804 31
5. Remove the four wheel drive shaft seal housing (1).
6. Remove the snap ring (2).
7. Remove four wheel drive shaft, gear and bearing (3).
93112272 32
Four wheel drive input shaft
1. Remove the snap ring (1) and the gear (2).
93112273 33
2. Remove the snap ring (1).
3. Drive the four wheel drive input shaft (2) rearward to
remove.
93112274 34
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--- Page 21 ---
Transmission - Mechanical transmission internal components
17. Install the gear shift lever (1) using the three M8 x 25
bolts (2). Make sure the shift lever tab (3) is in the slot
made by the main shift rail assemblies.
761002991 41
Center casing cover installation
1. Install the forward/reverse driven shaft and bearing (1)
into the center case cover (2). Insert forward/reverse
driven shaft in direction of arrow.
93112256 42
2. Install the center casing cover (1) using four M10 x 25
bolts (2). Torque hardware to 24.5 - 29.4 N·m (18.1 -
21.7 lb ft).
93112265 43
3. Insert needle bearings (1) and bearing sleeves (2) in
the forward driven gear (44T) (3) and reverse driven
gear (37T) (4).
4. Assemble the forward/reverse synchronizer with the
forward driven gear (44T) (3) to the rear and the re-
verse driven gear (37T) (4) to the front.
NOTE: Front and rear of the synchronizer is determined by
the beveled side of the synchronizer sleeve. The largest
beveled surface is the rear.
7610029815 44
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--- Page 22 ---
CNH Industrial America New Holland Site 100 Brubaker Avenue New Holland, Pennsylvania United States
17557
SERVICE - Technical Publications & Tools
PRINTED IN U.S.A.
© 2016 CNH Industrial America LLC.
All rights reserved. No part of the text or illustrations of this publication may be reproduced.
NEW HOLLAND policy is one of continuous improvement and the right to change prices, specification or equipment
at any time without notices is reserved.
All data given in this publication is subject to production variations. Dimensions and weight are approximate only and
the illustrations do not necessarily show products in standard condition. For exact information about any particular
product, please consult your NEW HOLLAND Dealer.
48017703 07/12/2016
EN
--- Page 23 ---
Front axle system - Powered front axle
Powered front axle - Exploded view
Boomer™ 40 4WD, Cab, Europe WE Platform - With cab
Boomer™ 40 [0 - 2103012735] WE
Boomer™ 40 [2103012736 - 2106014859] WE
Boomer™ 40 [2106014860 - ] WE
Boomer™ 50 4WD, Cab, Europe WE Platform - With cab
Boomer™ 50 [0 - 2105012137] WE
Boomer™ 50 [2105012138 - 2105013791] WE
Boomer™ 50 [2105013792 - ] WE
NHIL14CT00338BA 1
King pin and gear box components - right hand side
(1) Hex bolt, M12 x 30 (7) Dust seal (13) Bolt, M14 x 40 (19) Hex bolt, M10 x (25) Lock washer
35
(2) Lock washer (8) Arm holder (14) Lock washer (20) Plug (26) Shim
(3) Grease zerk (9) King pin case (15) Seal assembly (21) O - ring (27) Shim
(4) Arm (RH) (10) O - ring (16) Bushing (22) Front axle shaft (28) Shim
cover
(5) Taper bearing (11) Lock washer (17) Gear case (RH) (23) Hex bolt, M10 x (29) Hex bolt, M8 x 25
30
(6) Bushing (12) Bolt, M14 x 50 (18) Cover with (24) Hex bolt, M10 x (30) Lock washer
bearing case 35
(31) Bolt, M12 x 35
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--- Page 24 ---
Front axle system - Powered front axle
Powered front axle - Filling
Boomer™ 40 WE
Boomer™ 50 WE
Prior operation:
Powered front axle - Drain fluid (25.100)
NOTICE: The automatic vent is made up of small parts, use care in removal. Removing , allows for accelerated filling.
1. Remove the automatic vent (1) to accelerate the fill
process.
93112187 1
2. Remove filler plug (2) and check plug (3).
3. Install oil into plug opening (2) until oil flows out of plug
opening (3).
NOTE: Remove the plug at opposite end of the axle to
accelerate oil refill.
4. Use NEW HOLLAND AMBRA HYPOIDE 90 gear oil.
5. Install all plugs when complete.
93109782 2
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--- Page 25 ---
Front axle system - Front bevel gear set and differential
Differential - Assemble
Boomer™ 40 4WD, Cab, Europe WE Platform - With cab
Boomer™ 40 [0 - 2103012735] WE