Toshiba V Series Manual page 26

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2 . I n s t
a l l a
t i o n
a n d
W i r i n g
• W h e n
m o u n t i n g
t h e
D I N  
r a
i 1  
o f t h e
1 1 0   b a s e
u n i t
, 
m a k e
s u r e
t o m e e t
t h e
f o
l 1
o w i n g
c o n d i t i o n s
i n v i e w
o f b a s e
u n i t
m o u n t i n g / d e m o u n t i n g
a n d
s t r e n g
t h .
¥ V
h e n
l i x i
n g
a D I N
r a i
l ,
 
t h e s p a c
i n g
b e t w
e e n
s c r e
w s
( p
)
s h o u
l d
b e w i t h
i n
2 5 0
I l l I l l  
a n d t
h e
s p a c
i n g
b e t w
e e n
b o t
h
s i d
e s
0 1 t h e s c r e
w
a n d t h e l i x i
n g
s c r e
w
( c
)
s h o u
l d
b e
w i t h i
n
5 0
蜘 .
T h e
t o p -
t o - b
o t t o
I l l  
s p a c
i n g
( c
)
0 1 t h e b a s
e
u n i
t
s h o u
l d
b e a t l e a
s t
3 5
I l l I l l .  
L e a v
e
a t l e a
s t
1 8
I l l I l l  
0 1 r a i
l
l e l
t
t o r i g
h t
a s t h e s t o p
p e r
s p a
c e
( s
) .
N o t e l
:
R e c
o r n
r n e
n d e
d
D I N r a i
l s
a r e 1 5
I l l I l l  
i n t h e
i r
I l l
o u n t
i n g
l a c
e
h e i g
h t
a n d
I l l
a d e
o l
s t e
e
l .  
E
C
=
戸 {
U
4
 
U
: s ( ) 1
8
I l l I l l )  
D I N r a i
l
I l l
o u n t
i n g
l a c
e
M o u n t
i n g D I
N
r a i
l
N o t
e
2 : I n t h e c a s
e
D I N r a i
l s
i n g e n e
r a l
( h e
i g h
t :
7 . 5 r n
r n
)
, 
i t i s d i f l
i c u l
t
t o i n s
t a l
l
t h e b
a s e
u n i t .
 
I n s e
r t
a s p a c
e r
w h o s
e
h e i g
h t
I r o
I l l  
t h e D I N
r a i
l
I l l
o u n t i n g 1 a c e i s a t 1 e a s t 1 0
r n
r n
.
F i g u r e
2 . 2   1 / 0  
B a s e
U n i t
M o u n t i n g
M e t h o d
V i b r a t i o n
M e a s u r e
I n t h e
e v e n t
t h a t
m e a s u r e s
a g a i n s t
v i b r a t i o
n s
o n t o p
a n d
b o t t o m
o f t h e b a s e
u n i t
a r e
n e c e s s a r y
w h e n
t h e
v i b r a t i o
n s
o f t h e
m o u n t i n g
f a c e
a r e
l a r g e
, 
i t i s d e s i r a b l
e
t o a d d / i n s e
r t
r e i n f o r c i
n g
s u p p o r t s
( s u c h
a s
D I N  
r a i l
s )
a s s h o w n
i n F i g u r e
2 . 3 .  
r
 
a
ρ し
d
n
s
 
m
m
P d
l
 
.
l
 
d
r
 
M
I
 
n H
u  
n
H
 
U
1
1
 
r
 
n r
u  
s
 
n
u
 
l
o b
 
n
u
 
n し
r
 
n
u
 
l
 
n
u
 
. ‑
p u
n
R
 
M o u n t
i n g
D I N
r a i
l
R e i n f
o r c i n
g
i n s e
r t i o
n
D I N
r a i
l
F i g u r e
2 . 3  
A n t i - v i b r a t i o n
M e a s u r e
1 2

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