Steps 3 and 4, 48 and 78a precharge contactor replacement – Rockwell Automation 1336R REGEN 48,78,180A Precharge Contactor Repl. User Manual
Page 2
1336 REGEN Precharge Contactor Replacement
2
1336 REGEN-5.14 May, 1998
13
L3
L2
L1
R1
S1
T1
14
R
S
T PE PE
S1
CAT 1336R-VB048PRE-AN
SER A
38.4
AC INPUT
K W
VOLTS
A
PH
HZ
AC OUTPUT
DC OUTPUT
REFER TO USER MANUAL FOR
INSTALLATION ISNTRUCTIONS
48.2
38.4
460
48.2 3
50/60
–
–
–
–
–
3
50/60
460
ALLEN-BRADLEY
MADE IN U.S.A.
UL
®
LIST
ED 966X
IN D
C O N T E
Q
UL
®
LIST
ED 966X
IN D
C O N T E
Q
C
®
!
DANGER
RISK OF SHOCK
REPLACE AFTER
SERVICING
L3
13
A1
A2
14
L2
L1
R1
S1
T1
S1
Steps 3 and 4
Mounting
Screw
Aux Contact
Leads 13 ,14
AC Coil Leads A1 ,A2
Mounting
Screw
Mounting
Screw
Mounting
Screw
1.
Remove and lock-out all incoming power to the 1336 REGEN Line
Regeneration Package.
2.
Remove the Precharge Unit front cover. Measure the voltage at input
power terminals R1–S1–T1 and terminal block TB1 with a voltmeter to
ensure that no voltage is present.
3.
Disconnect all leads at the contactor and remove the (4) mounting
screws.
4.
Install the new contactor.
Torque the (4) contactor mounting screws to 2.6-4.1 N-m (23-36 lb.-in.).
Torque L1-L2-L3 and R1-S1-T1 to 4 N-m (35 lb.-in.).
Torque A1-A2 and 13-14 to 2.6-4.1 N-m (23-36 lb.-in.).
48 and 78A
Precharge Contactor
Replacement
!
ATTENTION:
Replace any guards or shields previously
removed before reapplying power to the 1336 REGEN Line
Regeneration Package. Failure to replace guards or shields
may result in death or serious injury.
5.
Reinstall the Precharge Unit front cover.