Air duct sub-assembly
1
2
Figure 4-3
Table 4-2
Air duct sub-assembly
No
Part number
1
54904-68502
2
54904-68503
3
54904-44102
Keysight 8990B Service Guide
Air duct sub-assembly
Quantity
Description
2
80 mm fan assembly
1
60 mm fan assembly
1
Air duct
Repair Guide
4
3
77