Lenovo ThinkCentre A35 Hardware Service Manual - Page 59

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Chapter 5. Safety information The following section contains the safety information that you need to be familiar with before servicing an IBM computer. General safety Follow these rules to ensure general safety: w!Observe good housekeeping in the area of the machines during and after maintenance. w!When lifting any heavy object: 1.Ensure you can stand safely without slipping. 2.Distribute the weight of the object equally between your feet. 3.Use a slow lifting force. Never move suddenly or twist when you attempt to lift. 4.Lift by standing or by pushing up with your leg muscles; this action removes the strain from the muscles in your back. Do not attempt to lift any objects that weigh more than 16 kg (35 lb) or objects that you think are too heavy for you w!Do not perform any action that causes hazards to the customer, or that makes the equipment unsafe. w!Before you start the machine, ensure that other service representatives and the customer' s personnel are not in a hazardous position. w!Place removed covers and other parts in a safe place, away from all personnel, while you are servicing the machine. w!Keep your tool case away from walk areas so that other people will not trip over it. w!Do not wear loose clothing that can be trapped in the moving parts of a machine. Ensure that your sleeves are fastened or rolled up above your elbows. If your hair is long, fasten it. w!Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip, approximately 8 centimeters (3 inches) from the end. w!Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for your clothing. Remember: Metal objects are good electrical conductors. w!Wear safety glasses when you are: hammering, drilling soldering, cutting wire, attaching springs, using solvents, or working in any other conditions that might be hazardous to your eyes. w!After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. w!Reinstall all covers correctly before returning the machine to the customer. 58

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58
Chapter 5. Sa
f
et
y
in
f
or
m
ation
The fo
ll
o
w
ing section contains the safet
y
information that
y
ou need to be fami
l
iar
w
ith before ser
v
icing an
IBM computer.
General safety
Fo
ll
o
w
these ru
l
es to ensure genera
l
safet
y
:
Obser
v
e good housekeeping in the area of the machines during and after maintenance.
W
hen
l
ifting an
y
hea
vy
object:
1.Ensure
y
ou can stand safe
ly w
ithout s
l
ipping.
2
.Distribute the
w
eight of the object equa
lly
bet
w
een
y
our feet.
3.Use a s
l
o
wl
ifting force.
N
e
v
er mo
v
e sudden
ly
or t
w
ist
w
hen
y
ou attempt to
l
ift.
4.Lift b
y
standing or b
y
pushing up
w
ith
y
our
l
eg musc
l
es; this action remo
v
es the strain from the
musc
l
es in
y
our back.
Do not attempt to lift any objects that weigh more than 16 kg (35 lb) or
objects that you think are too heavy for you
Do not perform an
y
action that causes hazards to the customer, or that makes the equipment unsafe.
Before
y
ou start the machine, ensure that other ser
v
ice representati
v
es and the customer’ s personne
l
are not in a hazardous position.
P
l
ace remo
v
ed co
v
ers and other parts in a safe p
l
ace, a
w
a
y
from a
ll
personne
l
,
w
hi
l
e
y
ou are
ser
v
icing the machine.
Keep
y
our too
l
case a
w
a
y
from
w
a
l
k areas so that other peop
l
e
w
i
ll
not trip o
v
er it.
Do not
w
ear
l
oose c
l
othing that can be trapped in the mo
v
ing parts of a machine. Ensure that
y
our
s
l
ee
v
es are fastened or ro
ll
ed up abo
v
e
y
our e
l
bo
w
s. If
y
our hair is
l
ong, fasten it.
Insert the ends of
y
our necktie or scarf inside c
l
othing or fasten it
w
ith a nonconducti
v
e c
l
ip,
approximate
ly
8 centimeters (3 inches) from the end.
Do not
w
ear je
w
e
l
r
y
, chains, meta
l
-frame e
y
eg
l
asses, or meta
l
fasteners for
y
our c
l
othing.
Re
m
e
m
ber:
Meta
l
objects are good e
l
ectrica
l
conductors.
W
ear safet
y
g
l
asses
w
hen
y
ou are: hammering, dri
ll
ing so
l
dering, cutting
w
ire, attaching springs,
using so
lv
ents, or
w
orking in an
y
other conditions that might be hazardous to
y
our e
y
es.
After ser
v
ice, reinsta
ll
a
ll
safet
y
shie
l
ds, guards,
l
abe
l
s, and ground
w
ires. Rep
l
ace an
y
safet
y
de
v
ice
that is
w
orn or defecti
v
e.
Reinsta
ll
a
ll
co
v
ers correct
ly
before returning the machine to the customer.