Technical data

(1)Remove the delivery valve holder.
(2)Take out the valve spring, valve and O-ring.
(3)Take out the gasket and valve seat.
(4)Spread the lock plate of the tappet guide pin. Push the
tappet slightly in and pull off the guide pin using a
pincette. Then remove the tappet.
(5)Remove the spring and upper seat.
(6)Remove the pinion.
(7)Pull out the plunger barrel upward from the pump housing.
Assemble the removed plunger barrels and plungers by each
cylinder. (Do not mix plungers and barrels of other cylinders.)
(8)Pull off the split pin. Remove the washer, return spring and
smoke set stopper. Draw out the control rack. Remove the
Andreich set spring and plate, if equipped, before taking out the
control rack.
(4)Nozzle Holder
(a)Disconnect the overflow pipe from the nozzle holder upper
nipple.
(b)Disconnect the fuel injection pipe from the nozzle holder.
(c)Loosen the nozzle holder attaching bolt and remove the holder assembly.
(d)Partly disassemble the nozzle holder assembly
using the following procedure:
(1) Holding the retaining nut in a vise, remove
the nozzle holder body with a wrench.
When holding in the vise, be sure to use
an aluminum or copper plate adapter.
(2) Remove the shim, pressure spring, flange,
pressure pin and spacer.
(3) Take out the nozzle from the retainer nut. If the nozzle is hard to remove, remove it by applying
light taps with a wooden block. Be careful not to impair the nozzle needle valve.