New Holland WorkMaster 50 Service Manual page 130

Bearings
Use correct pullers for bearings removal.
Clean, lubricate and inspect well before reassembling
the bearings.
The spiral elastic pins do not need such adjustment.
Sealing
Use sealants as specified. ensure that parts to be
sealed are clean, dry and grease free.
Oil drain
Before disassembly oil should be drained out from the
group.
WARNING
Disposal of used oil must be done according to the laws.
Cleaning
1. All parts in motion (gears, bearings, etc) are to be
washed accurately with parts cleaning solution.
2. Petrol and watery alkaline solutions are to be avoided.
3. Do not wash with stream or hot water as it will be very
difficult to eliminate surface humidity.
4. Dry all parts with a rag or air jet to avoid scratching from
abrasive residuals.
5. All surfaces should be covered with lubricant so as to
protect it from future oxidation.
Inspections
1. Examine accurately that all bearings, external rings
which may be still stuck in their position pivot pins on
which rolls rotate and replace those which are worn out
or damaged.
2. Gears should not be damaged and teeth should not be
excessively worn. Smoothness of the teeth should not
be deteriorated.
3. Control all grooves. Assure that they are not worn out
or damaged.
4. Replace damaged parts with original spare parts.
5. After disassembly, replace seals on rotating shaft.
Transmission - Mechanical transmission
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