Power Supply Removal - DEC DECstation 316+ Service Manual

3.2.13 Power Supply Removal

Remove the DECstation power supply as follows:
CAUTION
After you turn power off to the system, do not disconnect
the power cord from the system unit or ac outlet for at
least 20 seconds.
1. Remove the cover from the system unit (Section 3.2.4).
2. Remove the rear bezel (Figure 3–11).
3. Remove the actuator arm from the power supply
(Figure 3–12).
4. Disconnect the power supply cables from the main logic board
and disk drives.
5. Remove the five mounting screws that hold the power supply
in the system unit. Separate the power supply unit from the
system unit by sliding it toward the front of the system unit
while lifting it up and out slightly Figure 3–12.
6. Reach into the inside of the power supply chassis and
disconnect the fan power connector Figure 3–12. Remove
the power supply from the system unit.
7. To install the new power supply unit perform the previous
steps in reverse order.
FRU Replacement 3–23