FRU Removals and Replacements

This section contains information about removals and replacements.

ŸDo not damage any parts. Only certified and

personnel should service the computer.

ŸThe arrows in this section show the direction

ment

to remove

a FRU,

or

to turn a screw to

the

FRU. The

arrows

are

marked in numeric or

square callout, to show the correct sequence removal.

ŸWhen other FRUs must be removed before the FRU is removed, they are listed at the top page.

Ÿ To

replace

a

FRU,

reverse the

removal proced

and

follow

any

notes

that pertain

to replaceme

ŸWhen replacing a FRU, use the correct screw shown in the procedures.

Safety Notice 1: Translation on page 5

Before the computer is powered on after FRU ment, make sure all screws, springs, or other sma parts, are in place and are not left loose ins computer. Verify this by shaking the computer tening for rattling sounds. Metallic parts or meta can cause electrical short circuit.

 

Safety

Notice 3:

Translation on

page

7

 

 

 

 

 

 

The lithium battery can cause a fire,

explosio

severe burn. Do not recharge it, remove

its po

connector,

disassemble

it, heat it above

 

100°C (

°F), incinerate it, or expose its cell

contents

Dispose

of

the

battery

as

required by

local

or regulations.

Use

only

the battery in the a

parts listing. Use of an incorrect battery can

ignition

or

explosion

of

the

battery.

 

 

 

 

 

 

 

 

 

 

 

 

Safety Notice 8: Translation on page 11

Before removing any FRU, power-off the computer unplug all power cords from electrical outlets, r the Battery, and then disconnect any interconnec cables.

An electrostatic discharge (ESD) strap (P/N 6405959) must be used to establish personal grounding.

58 ThinkPad 390X / i 1700 HMM

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IBM I 1700 manual FRU Removals and Replacements, Safety Notice 1 Translation on, Safety Notice 8 Translation on