TM 9-4940-444-14 & P
A10D-1
(Continued from Page 62)
ELECTRICAL INTERLOCKS
STATIONARY CONTACTS
The electrical interlocks are renewable as a complete
Note: It is not necessary to disconnect any wiring.
assembly. See Illustrations and tables below for the various
9. Remove the screws securing the stationary contacts
electrical Interlocks.
10. Install the new contacts an d screws.
Caution: The stationary contacts must be installed so the
LUBRICATION
seat on top of the terminal plates.
Do not lubricate any pert of this equipment.
A control terminal, when used, (see table page 64) must be
mounted on top of the stationary contacts.
Reset and tripped indication
EUTECTIC OVERLOAD RELAY
A transparent rectangular window above the reset button
This overload relay has two
HEATER COIL POSITION
provides visual indication.
steps of adjustment (low
LOW
HIGH
or
high)
obtained
by
POSITIONING THE HEATER
COILS as shown In the
adjacent illustrations. Note the
location of the pointed terminal
Do not disassemble this relay.
on the heater coil.
The heater coil selection table furnished with the starter
illustrates the proper mounting position. All coils must be
available for repairs. If parts are required other than those
mounted in the same position for a giver overload relay.
listed replace the complete relay.
ELECTRICAL INTERLOCKS, TERMINAL BLOCK AND COIL TABLE
ADD ON TYPE
BASE MOUNTED
FOR MOUNTING ABOVE BASE MOUNTED INTERLOCK
TERMINAL
Circuit
Catalog No.
BLOCK
Circuit
Catalog Number
1 N.O.
C320KB4
Cat. No.
1 N.O.
C320KA1
1 N.O. - 1 N.C.
C320KB5
1 N.C.
C320KA2
C320TB1
1 N.O. - 1 N.C.
C320KA3
Operating Coils Selection Table
* Suffix
* Suffix
Volts
Cycles
Part Number
Letter
Volts
Cycles
Part Number
Letter
120
60
9-1889-1
A
600
60
9-1889-4
D
110
50
550
50
240
60
9-1889-2
B
208
60
9-1889-13
E
220
50
480
60
9-1889-3
C
380
50
9-1889-14
L
440
50
*Suffix letter required only when power unit is ordered.
65
