Section IV. MAINTENANCE OF STATUS AND ALARM
(4) Nuts and screw holes to insure they
are not stripped.
(5) Components for breaks, chips, or
This section contains instructions for
corrective maintenance of the alarm and status
(6) Electrical wiring for fraying or other
modules. The extent of maintenance to be performed
by direct support personnel is governed by the
maintenance allocation chart (app B) and allocation of
hardware for tightness.
parts (app C).
Cleaning. Use a mild solution of warm
water and liquid soap to clean housing and cover parts.
supplements that in section III (troubleshooting) and
After cleaning rinse parts with cold water to remove any
provides instructions for module removal and
soap solution and dry thoroughly. Use a soft camel's-
installation, operational checkout, and correcting
hair brush or vacuum cleaner with suitable attachment
malfunctions detected during visual inspection and
to remove accumulated dust from components within
Repair of the alarm and status modules
will be performed either at the installation site or at the
maintenance practices and observe the following
repair facility, depending upon the complexity of the
task. On-site repair will normally consist of replacement
(1) Use exact replacement parts; a part
of defective components only. After repair, a complete
with the same electrical value or function but different
functional test shall be performed in accordance with
physical size may cause trouble.
(2) Soldering irons of less than 50 watts
should be used to solder this equipment. Overheating
General Maintenance Instructions
of some parts may cause damage.
7-11. Module Removal
inspect alarm and status modules, after removal of
Remove a status or alarm module from the monitor
parts, for defects not visible when the unit is assembled.
cabinet as follows (fig. 2-1):
Continue the inspection during assembly to insure that
Unlock and open the monitor cabinet
parts are properly assembled and that the unit will meet
performance standards. During the repair process,
Remove the four 6-32 screws that fasten
inspect for the following:
(1) Components for cleanliness.
the module in position.
(2) Painted surfaces for deterioration or
Pull the module from the rack in the
(3) Screws for damage or corroded
Loosen the four captive screws that
secure the data receiver, if used, to the module and
remove the receiver (fig. 7-1).