-
79
-
REASSEMBLY OF THE HAMMER
b. Insert the bottom cap (Y) into the
valve body (W) by carefully
tapping it with a dead blow
hammer (t2).
c. Tighten the bolts evenly to the
specified torque, see page 106.
17.5 Install the valve spool (Z).
Apply hydraulic oil or NPK
assembly lube to the surface of
the valve spool (Z). Then insert
the valve spool (Z) from the top
side into valve body (W). Make
sure that the valve spool (Z)
moves smoothly.
17.6 Install the plunger (BB) and the
plunger bushing (AA).
a. Apply a thin coat of grease on
the o-rings (RR) and back up
rings (SS) and install them on
the plunger bushing (AA). (Curl
the back up ring (SS) to form a
small circle before installing.)