4-8
X, P, and K 11644A
Use, Maintenance, and Care of the Devices
Connections
Tightening a Flange Connection
NOTE
The best connection has symmetrical pressure applied as you gradually
tighten the screws.
1. In an “X” pattern (for equal compression), tighten all four screws using a hex ball driver.
Do not over-tighten. See
2. Visually inspect the connection. Refer to the following section
Figure 4-6 “X” Screw Pattern
Inspecting a Flange Connection
Inspect the flange connection as follows:
1. Place an electric light or white paper behind the connection.
2. Check the flange matings for any gap. A good connection has no gaps between the
connected waveguide flanges, and the waveguide walls are flush. There is no step or
offset.
3. Ensure that all four screws are equally tight.
NOTE
The most common cause of measurement error is a poor connection.
Summary of Contents for 11644A Series
Page 5: ...X P and K 11644A 1 1 1 General Information ...
Page 10: ...1 6 X P and K 11644A General Information Preventive Maintenance ...
Page 11: ...X P and K 11644A 2 1 2 Specifications ...
Page 17: ...X P and K 11644A 3 1 3 User Information ...
Page 24: ...3 8 X P and K 11644A User Information Changing the Wavelength Shim Calibration Definition ...
Page 25: ...X P and K 11644A 4 1 4 Use Maintenance and Care of the Devices ...
Page 34: ...4 10 X P and K 11644A Use Maintenance and Care of the Devices Handling and Storage ...
Page 35: ...X P and K 11644A 5 1 5 Performance Verification ...
Page 50: ...5 16 X P and K 11644A Performance Verification System Operation Checks ...
Page 51: ...X P and K 11644A 6 1 6 Troubleshooting ...
Page 55: ...X P and K 11644A 7 1 7 Replaceable Parts ...
Page 56: ...7 2 X P and K 11644A Replaceable Parts ...