PROCEDURE
INSTALL NOZZLE RETAINING NUT
Install the pressure pin, distance piece and nozzle assembly to the nozzle retaining nut.
Install the nozzle holder pressure spring and adjusting shim, and then temporarily install the nozzle holder to the nozzle retaining nut.
Using SST, tighten the nozzle retaining nut.
Note
Overtightening could cause nozzle deformation and needle adhesion or other defects.
Inspect the holder and nozzle set.
INSTALL RING PACKING SETTING NUT
Install a new washer and the ring packing setting nut.