Doosan DB33A, Руководство по обслуживанию, Страница: 40 / 78

36
2.3.9. Cylinder Block and Liner
Cylinder bore measurement
Measuring point : Approx. 20mm bellow from upper
face(Maximum wear portion)
(mm)
Cylinder liner replacement
Disassembly : Removeer
Angle for steel liner only
Installation
Installer
¡ ¡
‹
Use a bench press to apply an initial seating force
of 500kg to the cylinder liner.
¡ ¡
‹
And then apply a final seating force of 2,500kg to
fully seat the cylinder liner.
After installing the liner measure the cylinder liner
projection and inner diameter.
Liner projection
¡ ¡
‹
For the cast liner, removal or installation is done
easily.
20mm
Angle
Remover
Installer
Bench press
Feeler gauge
Liner projection
Square
0.001
¡›
0.019
(.0004~.0007 in)
0.005
¡›
0.026
(.0002~.0010 in)
Steel liner
Cast liner
Tight fit (standard) (mm)
Loose fit (mm)
For steel liner
For cast liner
Standard
105.00
¡›
105.04
(4.13~4.14 in)
105.99
¡›
106.01
(4.17~4.179 in)
Limit
105.10
(4.14 in)
106.10
(4.18 in)
Standard (mm)
0.03
¡›
0.010
(.0011~.0004 in)