DIRECT SUPPORT (INTERMEDIATE)
Section I. GENERAL
or status module. However, the performance standards
contained in section V may be used at periodic intervals
This chapter provides specific instructions for all direct
to check the ability of the alarm or status modules to
support maintenance functions as authorized by the
perform their intended missions.
maintenance allocation chart (app B). Included are
descriptions of controls used by direct support
Direct Support Controls
maintenance personnel, a list of test equipment required
The only controls required by direct support
for maintenance, troubleshooting and repair instructions,
maintenance personnel are the operator controls located
and performance standards.
on the front panel (para. 3-1). The functions of
These maintenance instructions are primarily for use
2) are described in paragraph 3-2.
following isolation of a J-SIIDS malfunction to the alarm
Section II. TOOLS AND EQUIPMENT
support maintenance of the alarm and status modules.
Standard Too[l and Equipment
equipment required at direct support maintenance level.
The test equipment required to troubleshoot faulty
Obtain other commonly used tools and equipment
equipment and to verify the performance standards of
having general application to the alarm and status
repaired equipment is listed in paragraph 7-16. See
modules maintenance instructions contained in this
figure 7-4 for assembly of the field manufactured test
chapter, using authorized procedures.
Special Tools and Equipment
No special tools and equipment are required for direct
Section III. TROUBLESHOOTING
module its probable cause can be determined through
use of charts 7-1 and 7-2. The charts assume the
Before troubleshooting the alarm and status modules,
module has been removed from the system and is
make a thorough visual inspection.
properly installed and interconnected with the test
insulation and components for evidence of failure.
equipment. After isolation of a malfunction to a
Check housing interior for presence of moisture and
component within the module refer to paragraphs 7-13
other foreign matter.
and 7-14 for disassembly procedures.
When a malfunction is observed in the alarm or status