Yanmar 4LHA-HTP Operation Manual page 595

Chapter 7 Reduction and Reversing Gear
4. Disassembly
34. Position snap ring compression tool on clutch assembly
so that compression screws are centered over slots in
clutch housing.
35. Remove end disc and snap ring as follows:
a. Tighten all compression screws until a slight resis-
tance is felt.
b. Tighten compression screws evenly (approximately
1/2 turn at a time).
c. Tap up rightly on bottom edge of compression tool
unitil snap ring pops up and out of groove in clutch
housing.
NOTE: For ease of reassembly, end disc and snap ring
should not be removed from tool unless their condition is
questionable.
a - End Disc (Snap Ring Compressed)
d. If necessary, remove end disc and snap ring from tool.
a - End Disc
b - Snap Ring
7-2-21
4LHA Serit