Removal And Replacement Procedures (Rrps); Before Starting Service Procedure - Dell 5130cn Service Manual

1. Removal and Replacement Procedures (RRPs)

1.1 Before Starting Service Procedure

- Start the procedure after turning off the power, and removing the power cord from the outlet.
- Do not apply excessive force to parts to avoid functional damage.
- Since various types of screws are used, ensure that the right screws are used in their right positions.
Use special caution not to confuse the screws for plastic and the ones for sheet metal, because
using the wrong type of screw may result in damage to the screw threads or other troubles.
No. Type
Plastic
• Screw for
plastic
1 • Silver,
flanged,
tapping
Sheet metal
• Screw for
metal sheet
2
• Silver, with
a flange
Parts etc Sheet metal
- Wear a wristband or the like wherever possible to remove electrostatic buildup from your body.
Finisher Service Manual
Version 1 2009.03.31
Application
Parts etc Plastic
Chapter 3 Removal and Replacement Procedures (RRPs)
How to Distin-
Shape
guish
• Silver-colored.
• With flange.
• Screw thread is
coarser than that
of the sheet
metal type.
Coarse
• The thread is
tapered toward
the tip.
• Silver-colored
• It has a flange.
• Diameter of the
thread section is
uniform.
3 - 1
Points to Be Major
Noted Location
• Oblique screw-
ing damages the
thread because
this screw cuts
female threads
in the base
material as it
rotates.