87421A-01-S
SUPERSEDES: None
DATE: 21 February 1992
87421A Power Supply
Serial Numbers: 3116A00101 / 3116A00150
A potential shock hazard is present if the rivets fastening the AC
power input module cause the plastic case to fracture.
To Be Performed By: Agilent Service Facility
Parts Required: Replace power supply; order new 87421A.
Situation:
The power input module is secured to the plastic case of the power supply by two metal
rivets. If improperly installed, these rivets can cause the plastic case to fracture. Should
this occur, the power input module may pull out of the housing, exposing a potential
shock hazard.
Solution/Action:
Agilent will replace any unit that has metal rivets. Should the housing be found to be broken, remove the AC (mains) power to the power supply at the AC supply outlet.
1 of 2
AUTHOR: LL
ENTITY: 4500
© 1992 AGILENT TECHNOLOGIES
PRINTED IN U.S.A.
SERVICE NOTE
ADMINISTRATIVE INFORMATION
SAFETY
SERVICE NOTE CLASSIFICATION:
ACTION
CATEGORY:
LOCATION
CATEGORY:
CUSTOMER INSTALLABLE
ON-SITE
SERVICE CENTER
AGILENT RESPONSIBILE UNTIL: ALWAYS
ADDITIONAL INFORMATION:
ON SPECIFIED FAILURE
AGREEABLE TIME
AVAILABILITY:
PRODUCT’S SUPPORT LIFE
RETURN
SCRAP
SEE TEXT
SERVICE
INVENTORY:
RETURN
SCRAP
SEE TEXT
USED
PARTS:
STANDARDS:
Labor 0.5 Hours
Continued
Page 2 Service Note 87421A-01-S
DO NOT REMOVE THE POWER CORD FROM THE POWER SUPPLY
WHILE STILL PLUGGED INTO THE MAINS.
Return the power supply to the nearest Agilent sales and service office. The power supply will be exchanged for one with black nylon fasteners securing the AC input module.
All units with serial number 3116A00151 and above use black nylon fasteners to secure
the AC input module. This service note does not apply to units with black nylon fasteners or with serial number 3116A00151 and above.
WARNING
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