New Holland Boomer 33/Boomer 37 Compact Tractors OEM Service & Repair Manual

Part number 47941899 2 nd edition English March 2016 Replaces part number 47700453 SERVICE MANUAL Boomer ™ 33 Boomer ™ 37 Tier 4B (final) Compact Tractor

SERVICE MANUAL Boomer™ 33 Boomer™ 37 TIER 4B (FINAL), Cab Boomer™ 37 TIER 4B (FINAL), ROPS 47941899 16/03/2016 EN

Link Product / Engine Product Market Product Engine Boomer™ 33 North America N843T-F-24 Boomer™ 37 TIER 4B (FINAL), ROPS North America N843LT-F-27 Boomer™ 37 TIER 4B (FINAL), Cab North America N843LT-F-27 47941899 16/03/2016

Contents INTRODUCTION Engine....................................................................................... 10 [10.001] Engine and crankcase ............................................................. 10.1 [10.202] Air cleaners and lines .............................................................. 10.2 [10.206] Fuel filters .......................................................................... 10.3 [10.304] Engine lubrication system .......................................................... 10.4 [10.400] Engine cooling system ............................................................. 10.5 [10.501] Exhaust Gas Recirculation (EGR) exhaust treatment.............................. 10.6 Clutch ....................................................................................... 18 [18.100] Clutch mechanical release control ................................................. 18.1 [18.110] Clutch and components ............................................................ 18.2 [18.112] Slip clutch or flywheel damper ..................................................... 18.3 Transmission.............................................................................. 21 [21.114] Mechanical transmission ........................................................... 21.1 [21.130] Mechanical transmission external controls ......................................... 21.2 [21.140] Mechanical transmission internal components ..................................... 21.3 Front axle system ....................................................................... 25 [25.100] Powered front axle ................................................................. 25.1 [25.102] Front bevel gear set and differential ............................................... 25.2 [25.310] Final drives ......................................................................... 25.3 Rear axle system ........................................................................ 27 [27.106] Rear bevel gear set and differential ................................................ 27.1 [27.120] Planetary and final drives .......................................................... 27.2 Hydrostatic drive ......................................................................... 29 [29.100] Transmission and steering hydrostatic control ..................................... 29.1 [29.202] Hydrostatic transmission ........................................................... 29.2 47941899 16/03/2016

[29.218] Pump and motor components ...................................................... 29.3 Power Take-Off (PTO) ................................................................. 31 [31.101] Rear mechanical control ........................................................... 31.1 [31.104] Rear electro-hydraulic control ...................................................... 31.2 [31.110] One-speed rear Power Take-Off (PTO) ............................................ 31.3 [31.120] Central Power Take-Off (PTO) ..................................................... 31.4 Brakes and controls .................................................................... 33 [33.110] Parking brake or parking lock ...................................................... 33.1 [33.120] Mechanical service brakes ......................................................... 33.2 Hydraulic systems....................................................................... 35 [35.000] Hydraulic systems .................................................................. 35.1 [35.104] Fixed displacement pump .......................................................... 35.2 [35.114] Three-point hitch control valve ..................................................... 35.3 [35.116] Three-point hitch cylinder .......................................................... 35.4 [35.204] Remote control valves ............................................................. 35.5 [35.300] Reservoir, cooler, and ﬁlters........................................................ 35.6 [35.350] Safety and main relief valves ...................................................... 35.7 [35.355] Hydraulic hand control ............................................................. 35.8 Hitches, drawbars, and implement couplings .................................. 37 [37.108] Rear three-point hitch external controls ............................................ 37.1 [37.110] Rear three-point hitch .............................................................. 37.2 [37.120] Rear three-point hitch linkage ...................................................... 37.3 Steering..................................................................................... 41 [41.101] Steering control .................................................................... 41.1 [41.106] Tie rods............................................................................. 41.2 [41.200] Hydraulic control components...................................................... 41.3 [41.216] Cylinders ........................................................................... 41.4 Wheels ...................................................................................... 44 47941899 16/03/2016

[44.511] Front wheels........................................................................ 44.1 [44.520] Rear wheels ........................................................................ 44.2 Cab climate control ..................................................................... 50 [50.100] Heating ............................................................................. 50.1 [50.104] Ventilation .......................................................................... 50.2 [50.200] Air conditioning ..................................................................... 50.3 Electrical systems ....................................................................... 55 [55.000] Electrical system ................................................................... 55.1 [55.011] Fuel tank system ................................................................... 55.2 [55.031] Parking brake electrical system .................................................... 55.3 [55.048] Rear Power Take-Off (PTO) control system ....................................... 55.4 [55.100] Harnesses and connectors ......................................................... 55.5 [55.201] Engine starting system ............................................................. 55.6 [55.202] Cold start aid ....................................................................... 55.7 [55.302] Battery.............................................................................. 55.8 [55.404] External lighting .................................................................... 55.9 [55.405] External lighting switches and relays ............................................ 55.10 [55.408] Warning indicators, alarms, and instruments .................................... 55.11 [55.513] Cab transmission controls........................................................ 55.12 [55.518] Wiper and washer system........................................................ 55.13 [55.525] Cab engine controls .............................................................. 55.14 [55.610] Ground speed control ............................................................ 55.15 [55.640] Electronic modules ............................................................... 55.16 [55.989] Exhaust Gas Recirculation (EGR) electrical system ............................. 55.17 [55.DTC] FAULT CODES .................................................................. 55.18 Platform, cab, bodywork, and decals ............................................. 90 [90.100] Engine hood and panels ........................................................... 90.1 [90.114] Operator protections ............................................................... 90.2 47941899 16/03/2016

[90.116] Fenders and guards ................................................................ 90.3 [90.120] Mechanically-adjusted operator seat ............................................... 90.4 [90.150] Cab ................................................................................. 90.5 [90.151] Cab interior ......................................................................... 90.6 [90.154] Cab doors and hatches ............................................................ 90.7 [90.156] Cab glazing ........................................................................ 90.8 47941899 16/03/2016

INTRODUCTION 47941899 16/03/2016 1

Contents INTRODUCTION Foreword (*) .................................................................................... 3 Safety rules (*) .................................................................................. 4 Safety rules (*) .................................................................................. 5 Safety rules – Personal safety (*) ............................................................... 6 Safety rules - Ecology and the environment (*) ............................................... 18 Safety rules Service precautionary statements climate control (*) ............................ 19 Basic instructions - Important notice regarding equipment servicing (*) ...................... 28 Basic instructions Important “Notice” regarding equipment servicing (*) ..................... 29 Basic instructions - Shop and assembly (*) ................................................... 30 Torque - Minimum tightening torques for normal assembly (*) ............................... 32 Torque Standard torque data for hydraulics (*) ............................................... 37 General specification – Features (*) .......................................................... 39 General specification Features (*) ............................................................ 44 General specification – Biodiesel usage (*) ................................................... 49 Dimension (*) ................................................................................. 52 Dimension (*) ................................................................................. 55 Consumables (*) .............................................................................. 57 Product identification – Product Identification Number (PIN) (*) .............................. 58 Product identification - Machine orientation (*) ............................................... 59 Product identification Machine orientation (*) ................................................. 60 (*) See content for specific models 47941899 16/03/2016 2

INTRODUCTION Foreword Boomer™ 33 NA Boomer™ 37 NA This repair manual provides the technical information needed to properly service the NEW HOLLAND models Boomer 33 and 37 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. NOTICE: Emissions sensors in the exhaust system and on the vehicle may be damaged by vibrations from use of impact wrenches or hammers during service work. Avoid using these tools when servicing components close to the sensors. Remove the sensors with care if use of these tools cannot be avoided. 47941899 16/03/2016 3

New Holland Boomer 33/Boomer 37 Compact Tractors OEM Service & Repair Manual

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