Fluke 2180A - Manual (Page 31)

2180A
Section 4
Maintenance
WARNING
THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED
PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK, DO NOT
PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN
THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED
TO DO SO.
4-1. INTRODUCTION
4-2. This section of the manual provides information
about
warranty, factory service, maintenance,
performance testing, routine recalibration and
recalibration after repair. The performance test is
recommended when the instrument is received and later
as a preventive maintenance tool or for testing after
repair. The test verifies performance at several
temperatures within the range of a given RTD type.
Specifications are provided both for annual and for a
more precise 90-day performance-testing cycle.
4-3. SERVICE INFORMATION
4-4. The instrument is warranted for a period of 1 year
upon
delivery to the original purchaser. The
WARRANTY is located on the back of the title page of
this manual.
4-5. Factory authorized calibration and service for each
Fluke product is available at various worldwide
locations. A complete list of these service centers is
included in Section 7 of this manual. If requested, an
estimate will be provided to the customer before any work
is begun on instruments that are beyond the warranty
period.
4-6. GENERAL MAINTENANCE
4-7. Instrument Disassembly and
Resassembly
4-8. Disassemble the thermometer using the following
procedure (power cord disconnected):
1. Remove the RTD Input Module through its
access port in the rear panel.
2. On the bottom of the instrument, remove the
four securing screws. Lift the top cover free.
3. Remove the screw securing the center of the
Main PCB to the bottom portion of the case.
4. Lift the Main PCB, complete with Front and
Rear Panels, clear of the case.
5. Remove the Output Option, if installed and
required, by removing the three screws connecting it
to the Main PCB, disconnecting the interconnect
cables at J1 and J3, and lifting the Output Option
PCB clear.
6. Remove the Front Panel, if required, by
disconnecting the guard screw at the lower right
corner; disconnecting the Front Panel Interconnect
cable at J6; disconnecting, if installed, the Limits
Option interconnect cable at J4; and moving the
Front Panel forward.
7. Remove the Rear Panel, if required, by
removing the three screws attaching it to the Main
PCB, disconnecting the wires from the input line
power connector, unsoldering the wires from two
fuse holders and moving the rear panel free.
8. Perform reassembly in the reverse order.
4-1