Yanmar 4LHA-HTP Operation Manual page 593

Chapter 7 Reduction and Reversing Gear
4. Disassembly
b. Tighten jaws onto bearing by turning on knurled part of
tool. Tighten assembly.
c. Pull tapered roller bearing from shaft using tool as shown.
a - Hold Tool Stationary
b - Turn Top Nut
29. Remove butting ring from splined end of input shaft by
installing special tool as shown and lightly tapping up-
ward on tool.
30. Remove butting ring and gear assembly.
a - Butting Ring
b - Gear Assembly
7-2-19
4LHA Serit