Yanmar 4LHA-HTP Operation Manual page 445

Chapter 3 Fuel Injection
3. Disassembly,
(4) Turn the
support p i n into the hole on the stopper groove of
the roller g u ide.
fl
NOTE: If the
nuts or a coupling on the end of camshaft.
(5) Remove the camshaft woodruff key.
(6) Remove the 4 bolts of the bearing holder.
(7) Place a screwdriver in the two grooves on the
camshaft bearing holder mounting surface, and
pull out the camshaft bearing holder.
Equipment
Reassembly and Inspection of Fuel Injection Pump
camshaft and push the roller guide
camshaft does not turn, put
NOTE:
double
(8) Put a plate against the governor end side of the
camshaft and tap it lightly. Pull o u t the camshaft
Roller guide and drive side bearing.
support pin
3-2-23
1. Be careful not to damage the oil seal with
the threaded part of the camshaft.
2. Be careful not to lose the shims between
the pump and bearing
4LHA Serie
holder.