New Holland WorkMaster 50 Service Manual page 672

Engine starter - Remove
1. Lift the front hood.
Disconnect the battery terminals (Negative first).
2. Disconnect the electrical connection from the starter
motor.
3. Remove the set screw (1) on the front axle support.
It interferes while the starter motor mounting bolts are
loosened.
4. Loosen the starter motor mounting bolts. Remove the
starter motor.
Electrical systems - Engine starting system
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1
GNIL14TR00713AA
2
GNIL14TR00736AA
3
GNIL14TR00735AA