Disassembly And Assembly Procedures; Disassembly Sop - Dell U3421WEB Service Manual

5. Disassembly and Assembly Procedures

NOTE:
This "Disassembly and Assembly Procedures" is for EMEA only, not for other regions. Please note
that Dell will deem warranty void if any disassembly is done on the monitors.

5.1 Disassembly SOP

Preparation before disassembly
1. Clean the room for work
2. Identify the area for material
3. Prepare the implement, equipment, materials as bellow：
1) Working table
2) Philips-head screwdriver
3) Gloves
4) Cleaning cloth
5) ESD protection
6) U3417W Curve Sponge Jig
Item
1
2
Picture Operation
To remove the stand:
1. Place U3421WE
monitor on
U3417W curve
sponge jig
2. Press and hold
the stand release
button
3. Lift the stand up
and away from the
monitor
1. Unlock 4 screws
on Rear Cover
2. Use hands or Bar
Scraper to
disassemble Rear
Cover from Middle
Frame
Notice the
disassembly order:
Left Side=>Top Side
=>Right Side
=>Bottom Side
- 11 -
Tool Notes
Panel and
U3417W curve
whole monitor
sponge jig
head must be
put on
U3417W
curve sponge
jig to avoid
panel damage
It is not
allowed to
place the front
side of panel
and monitor
head on a flat
surface
1. Philips-head
screwdriver
Torsion of
screw:11±1Kg
2. Bar Scraper