Yanmar 3JH3E - Page 38

Chapter 2 Basic Engine
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(2) Measure the outer diameter of the tappet, and replace
if worn beyond the limit.
mm
Standard Wear limit
Tappet stem outside dia.
11.975~11.990
11.93
Tappet guide hole inside
12.000~12.018
12.05
dia. (cylinder block)
Tappet stem and guide
0.010~0.043 0.10
hole
oil clearance
(3) Measuring push rods.
Measure the length and bending of the push rods.
Feeler gauge
-----
Push rod length
Push rod bend
Push
rod dia.
Printed in Japan
HINSHl-H8009
Standard
178.25~178.75
Less than 0.03
8.5
Wear limit
--
0.3
--
mm
2-23