HP 4300 Service Manual - Page 210
CAUTION, Reinstall note, Power supply tray 2 cavity; 4 of 5, Power supply 5 of 5
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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. 89 190 Figure 142. CAUTION Power supply (tray 2 cavity; 4 of 5) When 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. Reinstall note Power supply (5 of 5) 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
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