Stryker PneumoSure, Service Manual, Page: 19 / 76

Maintenance and Service Tasks
17
EN
1. While pressurized, use the venting ring
(3)
to remove the venting pin
(2)
in
axial direction up to the stop. A clear hissing sound must be heard.
2. Let the venting pin
(2)
drop back to its original position. The hissing sound
must stop immediately. The movement of the sealing plunger plug of the
high pressure fuse
(1)
is clearly visible through the holes
(4)
in the spanner
flats of the high pressure valve.
Corrective measure • Replacing the HPU.
4.7 Mounting the Calibration Adapter
The calibrations and tests indicated in the service manual require mounting of a
calibration adapter. This adapter consists of a calibration tube with connection
plug, a T-adapter with 3-port valve and 2 emerging tubes.
1. Slide plug of the calibration tube into tube connection of the device until
locked into place.
2. Turn the Allen screw clockwise using a size 4 Allen wrench up to the stop.
3. Connect the corresponding supplementary equipment to the two emerging
tubes in accordance with the respective illustration. Make sure the emerging
tube with the larger inner diameter is connected to a flowmeter while the
smaller tube is to be connected to a manometer.
Fig. 4-9 Checking high pressure safety
valve HSV at the HPU
(1)
High pressure safety valve
(2)
Venting pin
(3)
Venting ring
(4)
Drilled holes
(1)
(2)
(3)
(4)