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PA-3 Power Adapter (50 Hz/Oil-Filled)
4. Repair
Introduction
Disassembling PA-3 Oil-filled
Power Adapter
2001 Siemens Airfield Solutions, Incorporated
All rights reserved
WARNING: Allow only qualified personnel to perform the
following tasks. Observe and follow the safety instructions in
this document and all other related documentation.
WARNING: De-energize the regulator supplying power to the
circuit connected to the power adapter. Failure to observe this
warning may result in personal injury, death, or equipment
damage.
This section provides procedures for repairing and servicing the PA-3 power
adapter (50 Hz).
Under normal operating conditions the internal components of the oil-filled
PA-3 power adapter will not require service. In the unlikely event of a
component failure in the power adapter or if a fuse blows or a tap needs to
be changed, the power adapter can be serviced and repaired. To access and
service the components, follow the disassembling and assembling
procedures in this section.
Refer to Table 11 for replacement parts for the PA-3 power adapter (50 Hz).
Table 11. PA-3 Power Adapter Replacement Parts
Description
Capacitor, 30 µF
Gasket (RTV)
1 10 oz caulking tube
Insulating oil
To disassemble the PA-3 oil-filled power adapter, perform the following
procedure:
1.
Turn off the power to the circuit, and remove the power adapter from
the can in the field for disassembly in a shop. Reconnect the L-823
connectors and close the can to use the series circuit, if necessary.
2.
Place the power adapter upright on the floor and remove twelve hex
nuts located on the perimeter of the lid of the power adapter.
NOTE: Do not lay power adapter on its side to remove hex nuts. Do
not remove any other bolts or components found on the outside lid of
the power adapter.
96A0260B
Issued 5/01
Quantity
2
20A0040
67A0043
5 gallons
Shell Diala. Contact
(approximately)
local Shell oil agent or
phone 1-800-231-6950.
Repair
Part Number
Page 12
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