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VTK-VS-BA-015e-A | User Manual MDS 3200+ Series
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Maintenance
Step 3:
To unscrew the tappet itself, proceed as follows:
−
Tool MDT 310 features a receptacle bore for the tappet. This bore has to be
pushed carefully over the tappet, until the studs of the tool latch in the corre-
sponding recess of the tappet centering screw
(3).
−
In order to disengage the tappet, rotate the tool counter-clockwise, with a
slight constant pressure
(4).
−
Separate the tool from the tappet. The tappet can now be removed through
the case bore of the valve
(5).
9.3.1.2
Installation
To re-install a tappet, perform the sequence described above in reversed order.
After completion, do not forget to execute the adjust.
9.3.1.3
Disassembly and Cleaning
Step 1:
In order to take apart the tappet, first disengage, slightly rotating, the
centering screw from the rod.
Step 2:
The inner O-rings of the centering screw have to be drawn off using
tweezers.
Step 3:
The actuator seat has to be separated from the tappet rod.
Step 4:
Pull off the spring from the rod.