New Holland WorkMaster 50 Service Manual page 193

Dropbox - Disassemble
1. Use a punch to remove the roll pin (1) from the drop
box (2) and idler gear shaft (3).
2. Push the idler gear shaft (3), forward out of the drop
box (2) and remove the idler gear (4), spacers (5), and
needle bearing (6) from the drop box.
3. Check the idler gear shaft, idler gear, spacers, and nee-
dle bearing for any wear or damage. Replace as nec-
essary.
4. Remove the following :-
• Dust seal disc (7).
• Shaft seal (8).
• Retaining ring (9).
• Output shaft (10), with bearing (11), and dust ex-
cluder (12).
NOTE: Drill a 1/8 inch hole on each side of the dust seal
(7) and shaft seal (8) and insert sheet metal screws into the
holes to pull the parts from the case bore.
5. Remove the output shaft gear (13), and splined coupler
(14), from the case.
6. To remove shift lever :-
• Unscrew the plug (15) with sealing washer (16).
• Remove detent plunger spring (17).
• Remove detent plunger (18).
• Remove pad (19).
• Remove Inner change lever (20) from case.
7. To remove rear bearing (21) use a slide hammer puller.
Transmission - Dropbox
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