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6.
After removing parts from the computer, place them in a safe place away from the
computer so they will not be damaged and will not interfere with your work.
7.
You will remove and replace many screws when you disassemble the T4700CS/
T4700CT/T4800CT. When you remove screws, make sure they are placed in a
safe place and identified with the correct parts.
8.
When assembling the T4700CS/T4700CT/T4800CT make sure you use the cor-
rect screws to secure the various pieces in place. Screw sizes are listed in the
corresponding figures.
9.
The T4700CS/T4700CT/T4800CT contains many sharp edges and corners, so be
careful not to injure yourself.
10.
After you have replaced an FRU make sure the T4700CS/T4700CT/T4800CT is
functioning properly by performing the appropriate test on the FRU you have fixed
or replaced.
Disassembly Procedures
The T4700CS/T4700CT/T4800CT has two basic types of cable connectors:
Pressure Plate Connectors
Normal Pin Connectors
To disconnect a Pressure Plate connector, lift up the tabs on either side of the connectors'
plastic pressure plate and slide the cable out of the connector. To connect the cable to a
Pressure Plate connector, make sure the pressure plate is fully lifted and slide the cable into
the connector. Secure the cable in place by pushing the sides of the pressure plate down so
the plate is flush with the sides of the connector. Gently pull on the cable to make sure the
cable is secure. If you pull out the connector, connect it again making sure the connector's
pressure plate is fully lifted when you insert the cable.
Standard pin connectors are used with all other cables. These connectors can be connected
and disconnected by simply pulling them apart or pushing them together.
4-2
T4700CS, T4700CT, T4800CT
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