Yanmar 4LHA-HTP Operation Manual page 562

Chapter 7 Reduction and Reversing Gear
5. Disassembly
4LHA Series
(2)Withdraw the large gear (B), thrust collar (A), cup- (5) Remove the snap rings.
spring, spring retainer, drive gear and inner bearing
race.
Use a pulley extracter, with the clutch shaft fixed
in a vice.
(3) Remove the key.
(6)Draw out the drive cone.
Drive cone
(4)Withdraw the thrust collar (B) and inner needle bearing
race with the pulley extractor.
Inner needle bearing
Thrust collar (B)
Drive cone
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