New Holland C234/C238/L234 TIER 4B (FINAL) Service Manual

About this manual

New Holland published this Service Manual for the C234 TIER 4B (FINAL), C238 TIER 4B (FINAL), and L234 TIER 4B (FINAL) skid steer loaders and compact track loaders. It provides documented maintenance, service, and repair material for those skid steer loaders and compact track loaders.

Use the Manual Contents below to check that the exact maintenance, inspection, service, or repair procedure you need is included in this publication.

Manual details

Manufacturer

New Holland

Manual type

Service Manual

Equipment type

Skid Steer Loader, Compact Track Loader

Models

C234 TIER 4B (FINAL), C238 TIER 4B (FINAL), and L234 TIER 4B (FINAL)

Model-specific applicability

C234 TIER 4B (FINAL): Compact Track Loader; Tier 4B (final); PIN NHM435463 and above; C238 TIER 4B (FINAL): Compact Track Loader; Tier 4B (final); PIN NHM435463 and above; L234 TIER 4B (FINAL): Skid Steer Loader; Tier 4B (final); PIN NHM435463 and above

Document number

48060316

Publication year

2017

Publication date

November 2017

Language

English

Page count

2900

Product highlights

Electrical systems

The manual includes electrical troubleshooting, connector views, and pinouts.

Hydraulic systems

The manual includes hydraulic circuit diagrams and hydraulic valve-adjustment material.

Special tools

A special-tools section is included.

Maintenance

The manual includes a maintenance schedule.

Applicability and key coverage

Named models: C234 TIER 4B (FINAL), C238 TIER 4B (FINAL), and L234 TIER 4B (FINAL).

Manual contents

Use these source headings to locate the task or system you need in the PDF.

• INTRODUCTION — p. 9
  • Foreword - Important notice regarding equipment servicing — p. 3
  • Safety rules - Personal safety — p. 4
  • Safety rules - Ecology and the environment — p. 5
  • Torque - Minimum tightening torques for normal assembly — p. 6
  • Torque - Standard torque data for hydraulics — p. 11
  • Basic instructions - Shop and assembly — p. 13
  • Basic instructions - Video links — p. 15
  • Hydraulic contamination — p. 16
  • Fluids and lubricants — p. 17
  • General specification - Recommended engine oil for operating temperature ranges — p. 18
  • General specification - Hydraulic oil for all models — p. 19
  • General specification — p. 20
  • Product identification — p. 28
  • Product identification - Machine orientation — p. 30
  • Product overview — p. 31
• Engine - 10 — p. 41
  • [10.001] Engine and crankcase — p. 10.1
  • [10.216] Fuel tanks — p. 10.2
  • [10.206] Fuel filters — p. 10.3
  • [10.500] Selective Catalytic Reduction (SCR) exhaust treatment — p. 10.4
  • [10.400] Engine cooling system — p. 10.5
  • [10.414] Fan and drive — p. 10.6
  • [10.310] Aftercooler — p. 10.7
  • [10.304] Engine lubrication system — p. 10.8
• Power coupling - 19 — p. 193
  • [19.121] Pump-drive assembly — p. 19.1
• Front axle system - 25 — p. 201
  • [25.450] Chain drive system — p. 25.1
• Rear axle system - 27 — p. 225
  • [27.650] Chain drive system — p. 27.1
• Hydrostatic drive - 29 — p. 249
  • [29.200] Mechanical control — p. 29.1
  • [29.218] Pump and motor components — p. 29.2
  • [29.202] Hydrostatic transmission — p. 29.3
• Brakes and controls - 33 — p. 419
  • [33.110] Parking brake or parking lock — p. 33.1
• Hydraulic systems - 35 — p. 431
  • [35.000] Hydraulic systems — p. 35.1
  • [35.300] Reservoir, cooler, and filters — p. 35.2
  • [35.104] Fixed displacement pump — p. 35.3
  • [35.359] Main control valve — p. 35.4
  • [35.525] Auxiliary hydraulic valves and lines — p. 35.5
  • [35.600] High flow hydraulics — p. 35.6
  • [35.724] Front loader hydraulic system control — p. 35.7
  • [35.723] Front loader bucket hydraulic system — p. 35.8
  • [35.701] Front loader arm hydraulic system — p. 35.9
  • [35.734] Tool quick coupler hydraulic system — p. 35.10
• Frames and ballasting - 39 — p. 689
  • [39.140] Ballasts and supports — p. 39.1
• Wheels - 44 — p. 699
  • [44.511] Front wheels — p. 44.1
  • [44.520] Rear wheels — p. 44.2
• Tracks and track suspension - 48 — p. 713
  • [48.130] Track frame and driving wheels — p. 48.1
  • [48.100] Tracks — p. 48.2
  • [48.134] Track tension units — p. 48.3
  • [48.138] Track rollers — p. 48.4
• Cab climate control - 50 — p. 755
  • [50.100] Heating — p. 50.1
  • [50.200] Air conditioning — p. 50.2
• Electrical systems - 55 — p. 825
  • [55.000] Electrical system — p. 55.1
  • [55.100] Harnesses and connectors — p. 55.2
  • [55.525] Cab engine controls — p. 55.3
  • [55.201] Engine starting system — p. 55.4
  • [55.301] Alternator — p. 55.5
  • [55.302] Battery — p. 55.6
  • [55.011] Fuel tank system — p. 55.7
  • [55.988] Selective Catalytic Reduction (SCR) electrical system — p. 55.8
  • [55.012] Engine cooling system — p. 55.9
  • [55.640] Electronic modules — p. 55.10
  • [55.019] Hydrostatic drive control system — p. 55.11
  • [55.512] Cab controls — p. 55.12
  • [55.036] Hydraulic system control — p. 55.13
  • [55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system — p. 55.14
  • [55.518] Wiper and washer system — p. 55.15
  • [55.408] Warning indicators, alarms, and instruments — p. 55.16
  • [55.991] Telematics — p. 55.17
  • [55.DTC] FAULT CODES — p. 55.18
• Front loader and bucket - 82 — p. 2751
  • [82.100] Arm — p. 82.1
  • [82.300] Bucket — p. 82.2
• Platform, cab, bodywork, and decals - 90 — p. 2809
  • [90.160] Cab interior trim and panels — p. 90.1
  • [90.120] Mechanically-adjusted operator seat — p. 90.2
  • [90.124] Pneumatically-adjusted operator seat — p. 90.3
  • [90.150] Cab — p. 90.4
  • [90.154] Cab doors and hatches — p. 90.5
  • [90.102] Engine shields, hood latches, and trims — p. 90.6
• ELECTRICAL SCHEMATIC ELECTRO-HYDRAULIC (EH) CONTROLS-51423443 — p. 2882
• ELECTRICAL SCHEMATIC MECHANICAL CONTROLS-51423444 — p. 2887
• HYDRAULIC SCHEMATIC-51423445 — p. 2891

Capabilities

The source outline indexes servicing instructions and maintenance. Use these source-backed headings to locate the applicable service or repair topic in the source PDF, then confirm model-specific notes, specifications, illustrations, and operating conditions at the relevant page before carrying out service or repair work.

Keep the source's safety sequence, prerequisite steps, labels, units, configuration notes, and footnotes with the selected task; do not apply an isolated value outside the conditions stated in the manual.

Delivery

This manual is supplied as a digital PDF file and is available for instant download after purchase. No physical media is shipped.

References

New Holland Service Manual for Skid Steer Loader, Compact Track Loader, document code 48060316, PDF edition.