Yanmar 4LHA-HTP Operation Manual page 446

tapter 3 Fuel Injection Equipment
Disassembly, Reassembly and Inspection of Fuel Injection Pump
i) Install the fuel injection pump on the pump
fixture base.
F i x t u r e base
)) Push the roller guide from underneath with the
roller guide push lever and pull out the pushed
support pin [item (4)] .
DTE: The plunger spring may make the roller guide
and plunger, etc. fly out when the plunger
support plate is removed.
(11) Remove the parts of the roller guide by h a n d in
the following order: plunger spring seat B, plunger,
spring, plunger spring seat A and control sleeve.
NOTE: All of the roller guides will fall out when the
fuel pump is stood up. So, first remove
roller guide support pin and roller guide
one cylinder at a time.
3-2-24
4LHA Series
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for