Assembly Replacement
B1 Fan
2-74
B1 Fan
Tools Required
• T-10 driver
Removal Procedure
Refer to Figure 2-36 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to "Outer Instrument Cover" on page 2-4 and
"Inner Instrument Cover" on page 2-6.
3. Position the signal generator with the rear panel facing you.
4. Using the T-10 driver, remove the four screws (1) that attach the B1 Fan to the rear panel.
5. Disconnect the fan cable (2) from the A21 Rear-Panel Interface P6.
6. Remove the B1 Fan by tilting it at an angle.
Replacement Procedure
• Reverse the order of the removal procedure.
• Torque all T-10 screws to 9 in-lbs.
• Perform the post-repair adjustments and performance tests that pertain to this removal procedure.
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