Dell 5110cn Service Manual page 289

RRP1.13 FAN LV (PL1.1.33)
[Removal]
1) Remove TOP COVER FRAME. (RRP1.1)
2) Remove RIGHT SIDE COVER. (RRP1.7)
3) Remove LEFT SIDE COVER. (RRP1.12)
4) Remove COVER ASSY REAR. (RRP1.5)
5) Release the harness of the FAN LV from the hook of the COVER REAR.
6) Remove two screws (black, tap, 35mm) that fix FAN LV.
7) Remove FAN LV.
[Replacement]
Be sure to check the orientation of the FAN before attaching it.
(Attach the FAN so that its labeled surface comes inside.)
When attaching the FAN REAR (PL1.1.19) and the FAN LV (PL1.1.33), take care not to
attach the FANs to wrong position.
(The length of harness of the FAN LV is longer than the harness of the FAN REAR.)
1) Attach FAN LV with two screws (black, tap, 35 mm) with its labeled surface comes inside.
2) Pass the harness of the FAN LV through the hook of the COVER REAR.
3) Attach COVER ASSY REAR. (RRP1.5)
4) Attach LEFT SIDE COVER. (RRP1.12)
5) Attach RIGHT SIDE COVER. (RRP1.7)
6) Attach TOP COVER FRAME. (RRP1.1)
Chapter 3 Removal and Replacement Procedures (RRPs)
3 - 39