Gas Connection; Low Pressure Unit Lpu - Stryker ENDOSCOPY Standard Service Manual

4 Replacing Components
4-2

Gas Connection

The gas connection consists of the following:
• Supply-specific connection adapter completely installed
with:
• Screw Unions SW 24
• O-Ring on Face
Gas Supply Connection
1
Flat SW 24
2
Anti-Twist Stop
3
O-Ring Seal
4
Replace elements in case of defective, non-sealing pressure
connections, flow-reducing filter soiling, and if operational
functionality is reduced.
1. Use SW 24 adjustable wrench to Unscrew rear plate
screws.
2. Make sure O-ring remains in place when removing
component.
3. Reverse instructions to install elements.
Conduct the following tests after replacing modules or
components:
1. High pressure level test (Item 2-3).
2. Flow volume test (Chapter 2-6).
US-26
4 Replacing Components

Low Pressure Unit LPU

Replace elements if malfunctioning and in case of flow
limitation.
Flat Cable/Plug-in Connection
1
Electrical Plug-in Connection with High Pressure Unit
2
Tube Connection with HPU
3
Complete LPU
4
SW 7 Nut / Tooth Lock Washer (4x)
5
Connection Tube
6
1. Remove the connection tube from the LPU
2. Unscrew the plug-in connections for the electronic plugs
.
12
3. Unscrew four fastening nuts
pneumatics unit; remove the tooth lock washers, and lift
out the entire LPU complete with block, valves, and board.
Reverse instructions to install elements.
Conduct the following tests after replacing modules or
components:
1. Calibration according to Chapters 3-2-1 to 3-2-6 and
Chapter 3-2-8.
.
36
at base case of
5