User's Manual

5-26
Figure 5-15 Power Supply Removal/Installation
P/O SHELF
REMOVE:
(REMOVE STEPS ARE PREFIXED
BY LETTER "R").
LMW-6092-SM
06/04/02
R1. SET PA POWER SWITCH TO OFF.
R2. SET POWER SWITCH TO OFF.
R3. LOOSEN MOUNTING SCREWS.
R4. UNLATCH TOP AND BOTTOM
INSERTION AND EXTRACTION HANDLES
AND REMOVE POWER SUPPLY
FROM SHELF.
INSTALL:
(INSTALL STEPS ARE
PREFIXED BY LETTER "I").
I1. VERIFY JOINING SURFACES
ON POWER SUPPLY AND
HEATSINK ARE CLEAN.
I2. INSERT POWER SUPPLY
IN SHELF AND LATCH TOP
AND BOTTOM INSERTION
AND EXTRACTION HANDLES.
I3. TIGHTEN SCREWS.
TORQUE SCREWS TO
19 IN. LBS.
I5. SET PA POWER SWITCH
TO ON (IF EQUIPPED).
I4. SET POWER SWITCH TO ON.
IF PA IS NOT EQUIPPED,
SETTING PA POWER
SWITCH TO ON WILL
TURN ON OFF NORM
ALARM.
NOTE
ALARM
P/O SHELF
OFF
NORM
ON 1
OFF 0
+
10.5V
+
12V
–
5V
–
12V
GND
TIGHTEN MOUNTING
SCREWS BEFORE
APPLYING POWER
2 PLACES
MARKED
POWER
CAUTION:
PA
ON
OFF