Yanmar 4LHA-HTP Operation Manual page 611

Chapter 7 Reduction and Reversing Gear
5. Reassembly
39. Remove tapered roller bearing cups from housing using
special puller as follows:
a. Position appropriate puller guide (large or small diam-
eter) over cup as shown.
a - Small Diameter Puller Guide
b. Pull bearing cup from housing as shown.
40. Add the necessary amount of shims as determined previ-
ously to the appropriate bearing bores.
A WARNING
Use care in handling housing once it has been heated
with a torch lamp. Severe burns could result. Use special
protective gloves when handling housing.
41. Heat each tapered roller bearing cup bore with a torch
lamp. Install bearing cups into appropriate bore and tap
into place using a suitable mandrel. When housing has
cooled (Do Not cool with water), tap bearing cups to en-
sure they are fully seated.
a - Torch Lamp
b - Bearing Cups
7-2-37
4LHA Seri