New Holland Workmaster 70

Other manuals for New Holland Workmaster 70

Service Manual1067 pages

Questions and Answers

M
Mr. Gerald ZimmermanAug 14, 2025
Why my New Holland Tractor engine does not start?
- M
  Melinda HughesAug 14, 2025
  If your New Holland Tractor's engine won't start, it could be due to several reasons. There might be air in the fuel supply circuit, requiring bleeding. The injectors could be dirty or faulty, needing replacement. A faulty fuel pressure regulation valve or a failure of the start control could also be the cause, both requiring replacement. Alternatively, there might be water and/or impurities in the fuel, or the fuel filter could be clogged, requiring a filter replacement.
S
sgreenAug 17, 2025
What to do if New Holland Tractor control board and engine do not start during ignition?
- M
  Melissa GatesAug 17, 2025
  If the control board and engine of your New Holland Tractor fail to start during ignition, the issue might stem from a flat battery, in which case you should recharge or replace it. Another potential cause is a blown fuse, which necessitates replacement. Also, check the electric connections to ensure they are properly connected. A failure of the engine revolution sensor may also be the cause, requiring a replacement.
G
goldenmichaelAug 20, 2025
What to do if coolant temperature warning light comes on in New Holland Tractor?
- J
  John PerryAug 21, 2025
  If the coolant temperature warning light activates on your New Holland Tractor, make sure the engine coolant level is correct by adjusting it. Another potential cause is a stuck overpressure valve of the load plug, which requires replacing the plug.
M
Maureen PierceAug 25, 2025
Why does my New Holland Workmaster 70 engine stop after ignition?
- S
  Sarah RyanAug 25, 2025
  If your New Holland Tractor engine stops shortly after starting, it could be due to a few reasons. There might be air in the fuel supply circuit, requiring bleeding. A clogged fuel filter can also cause this issue, so replace the filter. A faulty fuel pressure regulation valve may also be the cause and needs replacement. Also, water and/or impurities in the fuel can cause the engine to stop.
H
harriswilliamAug 27, 2025
What to do if my New Holland Workmaster 70 engine does not reach the operating speed?
- S
  Scott ChangAug 27, 2025
  If your New Holland Tractor engine struggles to reach operating speed, several factors could be responsible. A clogged fuel filter might be restricting fuel flow, so replace the filter. The presence of air in the fuel supply circuit could also be a factor, requiring bleeding. Dirty or faulty injectors may also cause this issue, so consider replacing them. A clogged air filter, which requires cleaning or replacement, could also be the cause. Overload can prevent the engine from reaching its operating speed, so reduce the load.
J
Jessica GardnerAug 31, 2025
How to fix output reduction in New Holland Workmaster 70?
- B
  Brandy RojasAug 31, 2025
  If you're experiencing a reduction in output from your New Holland Tractor, consider these potential causes: A clogged fuel filter could be restricting fuel flow, so replace it. Air in the fuel supply circuit might be the issue, requiring bleeding. Dirty or faulty injectors may also cause this issue, so consider replacing them. A clogged air filter could be the cause, clean or replace the filter. If the particulate filter is clogged, the particulate filter regeneration is necessary.
D
Denise AtkinsonSep 3, 2025
What causes the starter motor to not run on a New Holland Workmaster 70 Tractor?
- M
  Michael Lee MDSep 3, 2025
  If the starter motor on your New Holland Tractor isn't running, it could be due to a flat battery, so recharge or replace it. Also, check the electric connections to ensure they are secure and uninterrupted.
B
Beth HamiltonSep 7, 2025
What to do if pressure gauge shows low engine oil pressure in New Holland Tractor?
- B
  burnsmichaelSep 7, 2025
  If the pressure gauge on your New Holland Tractor indicates low engine oil pressure and the warning light is on, check the oil level and adjust if it is too low. The engine oil filter may also be blocked, so replace the engine oil filter.
A
Angie RobertsSep 9, 2025
Why the electrical system does not work in New Holland Workmaster 70 Tractor?
- A
  Alfred ButlerSep 10, 2025
  If the electrical system on your New Holland Tractor isn't working, start by checking the battery terminals for looseness or corrosion, and clean and tighten them if necessary. A discharged battery could also be the problem, so charge or replace it. Also, a fusible link wire failure can cause the electrical system to fail, so check for the cause of failure and replace the fusible link.

Summary

2 SAFETY INFORMATION

Personal safety

General safety alert symbol and signal words (DANGER, WARNING, CAUTION) for personal safety.

General safety rules

Essential safety rules for operating the tractor, including slopes, impaired operation, and moving parts.

Fire and explosion prevention

Precautions to prevent fire and explosion hazards from fuel, oil, and electrical components.

General battery safety

Operator presence system

Power Take-Off (PTO)

Safety warnings regarding entanglement hazards and proper PTO operation.

Seat belts

Importance of wearing seat belts and their inspection and maintenance.

Operator protective structure

Information on ROPS/FOPS, its importance, and precautions against modification or removal.

Hazardous chemicals

Utility safety

Electrical storm safety

Lifting and overhead loads

Warnings against using equipment to lift persons and securing raised loads.

Safety signs

3 CONTROLS AND INSTRUMENTS

ACCESS TO OPERATORS PLATFORM

Instrument cluster - Localization overview

Central display

Hand controls and switches

Brake pedals - Control identification

Transmission - Control identification

Power Take-Off (PTO) - Control identification

Safety warnings and identification of the PTO lever for engaging/disengaging power.

Differential lock pedal

Resetting the oil change counter

4 OPERATING INSTRUCTIONS

STARTING THE UNIT

DANGER warning for run-over hazard and steps to start the tractor safely.

Starting a cold engine

Starting a cold engine in cold weather

Starting in warm weather or when the engine is hot

STOPPING THE UNIT

Step-by-step procedure to safely shut off the tractor engine.

MOVING THE UNIT

Roll Over Protective Structure (ROPS)

Information on the foldable ROPS, its standard equipment status, and recommendations.

5 TRANSPORT OPERATIONS

ROAD TRANSPORT

RECOVERY TRANSPORT

Safety warnings for towing the tractor, emphasizing speed and chain usage.

6 WORKING OPERATIONS

GENERAL INFORMATION

Field operation

Guidance on safe field operation, including learning controls and clearing the area.

Pre-operation checks

POWER TAKE OFF (PTO)

Safety message regarding entanglement hazards with PTO driven equipment.

Attaching Power-Take Off (PTO) driven implements

Steps for connecting PTO driven implements to the tractor's PTO shaft.

Power-Take Off (PTO) operation

Precautions for operating PTO driven equipment, including entanglement and speed.

Attaching three-point equipment

Safety warnings and general procedure for attaching three-point implements.

Lift rods, lower links and top link

HYDRAULIC SYSTEM

Position control

Draft control

Using draft control for implements operating in the ground to maintain tractive effort.

BALLASTING AND TIRES

Warnings and considerations for selecting proper ballast for tractor stability.

Tire inflation

Safety warnings about tire inflation and explosion hazards.

7 MAINTENANCE

GENERAL INFORMATION

Safety precautions

Refueling the tractor

Fire hazard warnings and precautions for refueling the tractor with diesel.

Protecting the electrical system during charging or welding

Precautions to prevent damage to the electrical system during charging or welding.

General battery maintenance

MAINTENANCE CHART

Engine oil level

Procedure for checking the engine oil level and adding oil if necessary.

Engine cooling system

Warning about hot coolant and safety measures when checking the system.

After the first 50 hours of operation

Clutch pedal free play

Checking and adjusting the clutch pedal free play for proper operation.

Brake pedal free play

Measuring and adjusting the free play of the brake pedals.

Transmission oil level or hydraulic oil level

Checking the transmission/hydraulic oil level using the dipstick.

Air cleaner

Engine air cleaner outer element - check

Every 300 hours

Engine oil and filter

Detailed steps for changing engine oil and filter, including recommended oils.

Hydraulic oil filter

Power Take-Off (PTO) clutch

Checking and adjusting the PTO clutch engagement pressure and cable travel.

Front wheel bearing - Two-Wheel Drive (2 WD)

Fuel filter replacement

Warnings about pressurized systems and procedure for changing the fuel pre-filter.

Engine coolant

Warning about hot coolant and procedures for draining, flushing, and refilling the cooling system.

Steering - Change fluid

Air filter

Lubrication points

Fuses

8 TROUBLESHOOTING

SYMPTOM(S)

Viewing error codes

How error codes and warning symbols appear on the display during malfunctions.

Engine - Troubleshooting

Table listing engine problems, their possible causes, and corrections.

Electrical systems - Troubleshooting

Table of electrical system problems, causes, and solutions.

Hydraulic systems - Troubleshooting

Table of hydraulic system issues, their causes, and corresponding corrections.

Brakes and controls - Troubleshooting

Error code identification

Fault code of digital instrument

Table of fault codes, their symbols, functions, and related signals/lights.