Yanmar 4LHA-HTP - Page 563

Chapter 7 Reduction and Reversing Gear
5. Disassembly
4LHA Series
5-3 Disassembling the input shaft
5-4 Disassembling the output shaft
(1)Draw out the input shaft tapping to the small roller
bearing side with a steel bar.
(DRemove the bearing inner race from the output shaft.
Use a pulley extracter, fixing the output shaft in a
vice.
Steel bar —
Input shaft
JTl
Clamp here by vice.
(2) Fix the input shaft gear in a vice, and remove the
lock nut with a special tool.
1
1
1
Special tool
rrW
Special tool
- Plate (B)
Plate (A)
Cup spring
-Input shaft gear
5-5 Disassembling the intermediate shaft
(l)Remove the lock nut with the intermediate shaft
fixed in a vice.
—\
(2)Withdraw the gear and bearing by pulley extractor,
with the gear fixed in a vice.
7-1-27