Agilent N5161A/62A/81A/82A/83A MXG Signal Generators Service Guide
Assembly Replacement
B1 thru B4 Fans
3-66
B1 thru B4 Fans
Tools Required
• T-10 driver
• T-20 driver
• needle-nose pliers
Removal Procedure
Refer to Figure 3-37 and Figure 3-38 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to ”Outer Cover” on page 3-4, ”Inner Top Cover” on page 3-6, and ”Inner Bottom
Cover” on page 3-8.
NOTE If you are replacing the B1 Fan, remove the A1 Power Supply. Refer to ”A1 Power Supply” on page 3-28.
3. Place the signal generator flat with the A2 Vector Module facing up and the front-panel facing you.
4. Using the T-10 driver, press the connector latch to disconnect the fan cable (1) from the A2 Power Supply.
5. Use the T-20 driver to push the rivet (2) out until you can remove it with your fingers.
6. Remove the fan, releasing the fan cable from the cable clips.
Replacement Procedure
1. Reverse the order of the removal procedure.
NOTE To re-install the rivets, use the needle-nose pliers to depress the rivet tip before inserting it into the chassis hole.
2. Perform the post-repair performance tests that pertain to this replacement procedure, see Chapter 4, Post-Repair Procedures and
Performance Verification.
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