TM 11-5805-715-34/EE119-DB-MMI-010/E154 CV3478/TO 31W2-2TTC39-12
CHAPTER 3
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
Section I. GENERAL
activities described below:
3-1. Introduction
a. Visually inspect components for evidence
Maintenance of the NIU is performed at four levels:
of potential failure conditions such as lack of
organizational, direct support, general support and
cleanliness, improper seating of connectors, loose
depot. This chapter provides instructions for direct
hard- ware or other items, discoloration due to
support maintenance only.
Direct support
excessive heat, frayed cables or wiring, or bent
maintenance is performed by those maintenance
wire wrap pins. Correction of observed conditions
activities designated to support the using
is to be accomplished as necessary at the time of
organization
and
emphasizes
corrective
observance by the maintenance level authorized to
maintenance at the equipment site. Direct support
perform the task.
maintenance
personnel
perform
corrective
b. Replace an unserviceable subassembly,
maintenance on items which are identified as faulty
module, assembly or unit with a like subassembly,
by organizational maintenance personnel, but are
module, assembly or unit.
beyond their capability to correct using the
c. Perform the repairs required to correct a
maintenance resources authorized at the
organizational maintenance level. Direct sup- port
specific failure or unserviceable condition and
maintenance personnel also provide technical
restore an item to a serviceable condition. This
assistance to the using organization in all areas
function includes soldering, wire wrap, or cable
which require skills and training that are beyond the
replacement.
capabilities of the organizational maintenance
personnel. Direct support maintenance is limited to
the
Section II. TOOLS AND EQUIPMENT
3-3. Repair Parts
3-2. Tools and Test Equipment
Repair parts and accessories authorized for use by
Tools and test equipment required to perform the
intermediate level maintenance for the NIU are
maintenance procedures given in this chapter are
listed in the repair parts and special tools list (TM
listed in the maintenance allocation chart in
11-5805-715-34P)
appendix B of TM 11-5805-715-12. The test
equipment listed in the table are authorized for use
by inter- mediate level personnel. Any tools or test
equipment authorized for use at the organizational
level are also authorized for use by intermediate
level.
3-1
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