2-3
ORGANIZATIONAL-LEVEL MAINTENANCE
SM&R code O maintenance is the responsibility of the activity who owns the equipment. Code O
maintenance consists of inspecting, servicing, lubricating, adjusting, and replacing parts, minor
assemblies, and subassemblies.
An INTEGRATED LOGISTICS SUPPORT PLAN (ILSP) determines the maintenance level for
electronic assemblies, modules, and boards for each equipment assigned to an activity. The ILSP codes
the items according to the normal maintenance capabilities of that activity. This results in two additional
repair-level categories - NORMAL and EMERGENCY.
Normal Repairs
Generally, 2M repairs are performed at the level set forth in the maintenance plan and specified by
the appropriate SM&R coding for each board or module. Therefore, normal repairs include all repairs
except organizational-level repair of D- and I-coded items and intermediate-level repair of D-coded items.
Emergent/Emergency Repairs
In the NAVSEA 2M Electronic Repair Program, emergent/emergency repairs are those arising
unexpectedly. They may require prompt repair action to restore a system or piece of equipment to
operating condition where normal repairs are not authorized. These Code O repairs on boards or modules
are normally SM&R-coded for Code D repairs. Emergent/emergency 2M repairs may be performed only
to meet an urgent operational commitment as directed by the operational commander.
SOURCE, MAINTENANCE, AND RECOVERABILITY (SM&R) CODES
The Allowance Parts List (APL) is a technical document prepared by the Navy for specific
equipment/system support. This document lists the repair parts requirements for a ship having the exact
equipment/component. To determine the availability of repair parts, the 2M technician must be familiar
with these documents. SM&R codes, found in APLs, determine where repair parts can be obtained, who
is authorized to make the repair, and at what maintenance level the item may be recovered or condemned.
Q5. What are the three levels of maintenance?
Q6. Maintenance performed by the user activity is what maintenance level?
TEST EQUIPMENT
Microelectronic developments have had a great impact on the test equipment, tools, and facilities
necessary to maintain systems using this technology. This section discusses, in general terms, the
importance of these developments.
Early electronic systems could be completely checked-out with general-purpose electronic test
equipment (GPETE), such as multimeters, oscilloscopes, and signal generators. Using this equipment to
individually test the microelectronics components in one of today's very complex electronic systems
would be extremely difficult if not impossible. Therefore, improvements in system testing procedures
have been necessary.
