Komatsu 4D98 Series Shop Manual page 94

7. Fuel Injection System/Governor
(3) Parts inspection and measurement
Generally end disassembly in this stage and wash the parts for inspection.
See that each parts is not worn excessively or play.
7.6 Special Service Tools for Disassembly/Assembly
No.
Tool name Application Manufacturer's code and illustration
1
Extractor
Flyweight removal 157926-5110
MlZx1.5
2 Tappet holder
Tappet and cam contact
157931-2500
separation
3 Tappet insert
Pushing tappet up 1579214120
4 Clamp
Tappet removal
1579314120
I8
&
256
' e"
5 Wrench
Flyweight nut removal 157915-0100
7-9