12
Two basic types
of
screwdrivers are required to
repair
the bike
-a
co
mmon
(fla
t
blade)
scr
ewdr
ivers (
Figu
re
24
) and the Phillips
screwdrivers (Figure 25).
Screwdrivers are avai lable in sets which often
incl
ud
e an assortment of common and Phillips
blades. If you buy them individua
ll
y.
buy al least
the following:
a.
Common scr
ewdriver-5
/16 X 6 in. blade.
b. Co
mm
on screwdri
ver-3
/8 x
12
in. blade.
®
c. Phillips screwdriver
-size
2 tip. 6 in. blade.
Use screwd
ri
vers only fordriving screws. Never
use a screwdriver for prying
or
chiseling. Do
nOI
f25\
try
to
remove a Phillips or Allen head screw with \!:V
a common screwd
ri
ver: you can damage the head
so
thallhc
proper \00\ will
be
unable
10
remove it.
K
eep
screwdrivers in the proper condition
and
they will lasl longer a
nd
pe
rf
orm beuer. Always
keep Ihe lip
of
a common screwdriver
in
good
condilion.
Figur
e 26 shows how
10
grind Ihe lip
10
the
prOJ:H!
r s
ha
pe
if
il becomes damaged.
NOle
the pa ra
ll
el s
id
es of
th
e tip.
L.._...J
'IJIONT SIDE
CORRECT
WAY
TO
O
..
IND
.LADE
CO
....
ECT
TA
PI!"
AND
SID
CHAPTER
ONE
TA
PE
..
TOO
STEEP
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