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Maintenance
8–6
VX1410A & VX1420A IntelliFrame Mainframe Instruction Manual
To remove the VX1410A and VX1420A fan/blower assemblies, refer to Figures
8–3, 8–4, 8–5, 8–6 and 8–7 while performing the following steps:
1. Loosen the captive screw that secures the fan cable cover to the instrument.
Remove the cable cover. Refer to Figures 8–3 and 8–4.
2. Unplug the cables.
3. Remove the Chassis Ground (if installed) screw using a T-20 tip.
4. From the back of the mainframe, loosen the five captive screws using a
Phillips screwdriver. Refer to Figure 8–3 for screw locations.
5. Remove the fan cable fan/blower assembly from the instrument and set the
fan/blower assembly aside on a clean working surface.
6. VX1410A: Remove the filter from the fan assembly.
7. VX1410A: Remove the two hex socket screws that secure the filter cover to
the fan assembly using a 3-32 Allen wrench. Then remove the filter cover
from the fan assembly.
8. VX1410A: Remove the three 6-32 screws (with a pozidriv tip) that secure
each fan to the inside of the fan assembly as shown in Figure 8–5.
9. VX1410A: Remove the cable tie holding the fan cables to the assembly.
Then remove the fans from the assembly.
10. VX1420A: Perform steps 1 through 5.
11. VX1420A:Remove the ten 8-32 screws that secure the shroud to the chassis
using a 3/32 Allen wrench. Six screws are located on the sides of the shroud
and four screws are located on the bottom of the shroud. Separate the shroud
from the blower assembly. See Figure 8–7.
12. VX1420A: Remove the four 8-32 Torxdrive T-20 screws that secure the
blower to the chassis.
13. VX1420A: Remove the two sheet metal Torxdrive T-20 screws that secure
the blower to the blower assembly brackets. Remove the blower from the
blower assembly brackets.
14. VX1420A: To help prevent losing the screws while replacing the blower,
temporarily replace the two sheet metal screws removed in step 13
NOTE
. When reconnecting the fan cables to the mainframe, verify that you
connect the fan cables to their respective connectors. Match the labels on the fan
cables to their respective connector on the rear of the mainframe.
Procedure 2: Removing
the Fan or Blower
Assembly
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Summary of Contents for IntelliFrame VX1410A
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