Remove lens plate (40) from port block (8). Note the
orientation of the valve plate with the pin before
beginning the disassembly procedure.
Remove bearing (13), preload shim (12) and pin (20)
from port block (8).
Remove cylinder block (11) and the pistons from
Remove nine pistons (32), retaining plate (33), retaining
ball (34), disc-retaining clip (37) and three pressure pins
(36) from the barrel (35).
During the assembly of the vibratory motor, three
pressure pins (36) must be installed in the large
grooves in the barrel (35) and disc-retaining clip
(37) must be even (flush) with the end of the
There is spring force against retaining ring (39). When
retaining ring (39) is removed, the spring force will be
released. To prevent possible personal injury, removal of
the internal components in barrel (35) should be
performed in a press in order to retain spring (38).
Put barrel (35) in a press. Install a suitable piece of
square steel stock against spring (38). Put slight
compression on spring (38) with the press. Remove
retaining ring (39), and slowly release the spring
Remove spring (38) from barrel (35).
Remove swash plate (10) and pin (19) from housing (1).
Remove retaining ring (2).
Remove drive shaft (5) from housing (1).
Remove shaft seal (3) and bearing (4) from housing (1).
If necessary, remove plug (7) and O-ring seal (6).
For assembly of the vibratory motor, reverse the
All motor components must be cleaned and
inspected before assembly. If any components
are worn beyond recommended limit they must be
replaced. Lubricate all moving parts with clean
hydraulic oil during assembly. Assemble the
motor with all new seals.
install vibratory motor