Stryker PneumoSure, Руководство по обслуживанию

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Maintenance and Service Tasks
13
EN
Gas connection seal The gas supply connection has to be removed in order to be able to check the seal
(5)
(see chapter 6.1 Uninstalling/Installing Gas Supply Connection). When in-
serting the new gas supply connection, make sure to insert the anti-twist stop
(4)
properly.
4.6.2 Checking the High Pressure Sensor
Follow these steps to check the function of the high pressure sensor
(1)
(see Fig.
4-3 Position of high pressure sensor):
1. The device is open and switched on. A gas bottle (pressure >50 bar) is con-
nected and open.
2. The gas supply display depicts the maximum supply pressure.
3. While device is switched on and the gas bottle is connected and opened, pull
plug ST3/cable
(3)
of the high pressure sensor off the PCU board
(4)
.
4. In the display, the error message Check gas supply must be depicted. The gas
supply display depicts a pressure of < 15 bar. Reconnect plug connector
(3)
with PCU board
(4)
.
5. The test of the high pressure sensor has been completed successfully.
Corrective measure • If the error message and pressure reading Pressure <15 bar are not displayed,
the high pressure unit HPU or LPU must be replaced.
Fig. 4-2 Disassembled gas supply con-
nection
(4)
Anti-twist stop
(5)
O-ring (seal)
(4)
(5)
Fig. 4-3 Position of high pressure sen-
sor
(1)
High pressure sensor HPS
(2)
High pressure unit HPU
(3)
Plug ST3/cable leading to pressure
sensor HPS
(4)
PCU board
(1)
(2)
(3)
(4)