HP Pro 4300 C9H70UT C9H70UT#ABA manual Power supply tray 2 cavity 4

5.Feed the two ribbon cables and the wire-harness through the hole in the right side of the chassis (callout 9) under the power supply. Pull down on the power-switch connector bar (callout 10) to slide it out of its mounting bracket, and remove it.

9 10

Figure 142. Power supply (tray 2 cavity; 4 of 5)

CAUTIONWhen performing the next step, verify that the four rubber belts and plastic rollers (callout 3 in figure 145 on page 191) remain in place. These belts and rollers can easily come off and you might lose them.

6.Grasp the power supply and lift it up slightly. Pull it straight out of the chassis.

Figure 143. Power supply (5 of 5)

Reinstall note After you install the power supply, thread the heavy-gauge wire-harness through the hole in the chassis first, and then thread the two ribbon cables through the hole. This prevents the harness and cables from crossing over each other when they are placed in the wire guide. Make sure you install the power-switch connector bar when you install the power supply.

190 Removing and replacing parts Q2431-90912