Service manual

Servicing Your Mainframe 51Chapter 3
6. Install the replacement impeller assembly by lining up the horizontal
slots on the bottom of the impeller assembly with the raised edges on
the mainframe. Slide the impeller assembly into the mainframe until
the impeller housing is over the screw locators.
7. Reconnect the impeller wires to the adapter board. Tighten the
impeller screws into the screw locators.
8. Replace the rear panel. Make certain that all 14 screws are secured.
Replacement Power Cords
Table 3-3 lists the power cords rated for use with the HP E840xA
mainframes. If it becomes necessary to replace the power cord, obtain the
appropriate cord listed in the table or use a cord with the same voltage and
current ratings.
Power cords supplied by HP have polarities matched to the power input
socket on the instrument:
L = line or active conductor (also called "live" or "hot"
N = neutral or identified conductor
E = earth or safety ground
Table 3-3. Replacement Power Cords for the HP E8401 and E8403 VXI Mainframes
Country Voltage Part Number
for HP E8401
Part Number
for HP E8403
Rated Amps
U.K. 250 VAC 8120-1351 8120-1351 10A
Australia 250 VAC 8120-1369 8120-1369 10A
Europe 250 VAC 8120-1689 8120-1689 10A
U.S./Canada 125 VAC 8120-1378
8120-2371
10A HP E8401
13A HP E8403
U.S./Canada 250 VAC 8120-5338 8120-5338 10A
Switzerland 250 VAC 8120-2104 8120-2104 10A
Denmark 250 VAC 8120-2956 8120-2956 10A
Japan 100 VAC 8120-4753
8120-5400
12A HP E8401
15A HP E8403
India / South
Africa
250 VAC 8120-4211 8120-4211 10A