5-4
Chadwick-Helmuth A Business Unit of Honeywell International, Inc.
Chapter 5
- Maintenance And Repair
5.4.1.2
Power-Up Self-Test
a.
Hold down START key on 8500C/C+ and turn on power supply.
NOTE: This erases all memory in 8500C/C+.
b.
Wait until
Power-Up Self-Test
display appears and release
START
key.
5.4.1.3
Balance Test
a.
Ensure that only one No. 6 screw is installed above “h” on logo on Calibrator 11A rotor
disk.
b.
Set CAM RATE (RPM) switch to 900.
c.
Set MOTOR switch to ON.
Figure 5-2. Functional Test Setup (with Magnetic Pickup)
d.
Adjust pot next to 900 CAM RATE switch position until 2nd ring from outside on rotor
disk appears frozen in place under 60 Hz light.
2
e.
Press
BALANCE
key on 8500C/C+.
f.
Press
SETUP
key.
g.
Key in 450 with numeric keys in BALANCE FREQUENCY field.
2
Attention, users outside U.S.: The 11A Calibrator can also be calibrated under 50 Hz light. For 1714
rpm and 923 rpm cam rates, inner two rings on rotor disk are used. Remember to enter half these rates
in 8500C/C+ setup screen, when called for in the following steps.
V E L O C I M E T E R
7 3 1 0
V E L O C I M E T E R
7 3 1 0
M A G N E T I C
P I C K U P
3 0 3 0
F I L E : F U N C T I O N . D R W
N O T E : T h e c a l i b r a t o r m u s t h a v e n o m o r e t h a n o n e s c r e w i n s t a l l e d o n i t s r o t o r
d i s k w h e n u s e d w i t h t h e 8 5 0 0 C ; h o w e v e r , t h e c a l i b r a t o r w a s d e s i g n e d t o h a v e a t
l e a s t t w o s c r e w s 1 8 0 d e g r e e s a p a r t . T o s i m u l a t e a s e c o n d s c r e w , e n t e r t h e
a c t u a l r p m ( h a l f t h e " C A M R A T E " ) a s t h e b a l a n c e f r e q u e n c y a n d " 2 " a s t h e t i m e s
f a c t o r i n t h e 8 5 0 0 C b a l a n c e s e t u p d i s p l a y . F o r e x a m p l e , i f t h e C A M R A T E i s
9 0 0 , e n t e r " 4 5 0 " a s t h e b a l a n c e f r e q u e n c y a n d " 2 " a s t h e t i m e s f a c t o r .
N O T E : 1 1 B u s e r s , b y p a s s
m a g p u l s e d o u b l e r a n d
c o n n e c t m a g n e t i c p i c k u p
c a b l e d i r e c t l y t o c h a n n e l A
o n 8 5 2 0 C . T h i s s i m u l a t e s
1 1 A u s e .
8 5 0 0 C B A L A N C E R / A N A L Y Z E R
P O W E R S U P P L Y 9 1 0 0 A
C A L I B R A T O R 1 1 A
P O W E R
B A L A N C E R
A
B
C
D
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1
C A B L E 1 1 2 1 0
1 3 5 M - 1 2 S T R O B E X
C A B L E 1 0 8 0 8
C A B L E 1 1 2 1 0
C A B L E 1 0 8 1 3
C
A
B
LE
1
08
11
8 5 2 0 C S I G N A L S E L E C T O R
Y
B A L A N C E R / A N A L Y Z E R
C H A D W IC K
H E L M U T H
E L M O N T E , C A L I F O R N I A
M O D E L 8 5 0 0 C
D
J
P
B A L A N C E
T R A C K
#
%
:
S P E C T R U M
E
H E L P
L O A D
S T O R E
K
<
Q
>
F
L
R
S T A T U S
S E T U P
-
/
.
P R I N T
A
S H O W / H I D E
B
M O R E / K E Y S
C
S T O P
W
Z
X
S T A R T
1
4
3
6
G
M
S
7
H
2
N
5
8
T
0
V
I
O
9
U
A N N O T A T E
