New Holland Workmaster 50, Service Manual

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Transmission - Mechanical transmission
Mechanical transmission - Troubleshooting
Problem Possible Cause Correction
Noisy operation with
range in neutral and main
lever engaged
Input and output shaft support bearing mis-
adjusted.
Remove transmission housing and adjust
bearings.
Failed or defective inner component.
Remove housing, overhaul transmission
and replace faulty parts.
Internal component seizure due to poor lu-
brication. Overhaul transmission and top up oil to cor-
rect level.
Noisy operation with
tractor stationery, idling
engine and transmission
in neutral Faulty clutch plate springs. Replace clutch plates.
Self disengagement of
speed, range gears External linkage and levers mis-adjusted. Adjust correctly.
Failed control rail retaining springs. Replace springs.
Partial engagement travel. Correct reasons for problem and restore full
travel.
Difficult engagement of
speed and range gears External levers mis-adjusted. Adjust correctly.
External levers stiff or seized. Check pivot points and correct.
Internal control items (rails, forks and
sleeves) slide with difficulty. Overhaul control items.
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