GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. GENERAL
4-2. General Support Maintenance Gui-
The maintenance instructions in this chapter supple-
ment the direct support maintenance procedures out-
nance schedule for the inverter.
lined in chapter 3, and the organizational maintenance
procedures in TM 11-6125-240-12. The troubleshooting
4-3. General Support Tools and Equipment
which begins at these categories is expanded here to in-
Tools and test equipment needed for general support
clude actual repair of the inverter, by replacement of
maintenance of the inverter are listed in table of ap-
defective parts. Except for the armature, all repair
p e n d i x C (maintenance allocation) in TM
parts are available to general support.
Section Il. GENERAL SUPPORT TROUBLESHOOTING
and send the CSV1186-1 to Depot for salvage
a. Electrical troubleshooting of the inverter is con-
fined to the circuitry of the regulator section. Abnor-
mal conditions in the following table are those which
4-5. Troubleshooting Table for CSV2215-2
might be observed under normal input/load conditions.
Before attempting to locate a defective part, be sure
a. Troubleshoot the CSV2215-2 and CSV2215-3
that adjustments alone will not correct the problem.
regulator card assembly in accordance with table 4-1.
b. Regulator card assemblies which have been
Inspect the circuit card assembly and connecting leads
removed at direct support and referred to general sup-
before troubleshooting. Unless a defective part can be
port for repair should be installed on a working
located visually, the sequence of operations in the table
PU-545/A for troubleshooting.
should be followed, since they are listed in order of
probability. Refer to figure 4-1 for location of parts.
assembly CSV1186-1 is no
b. A pointed probe will be required to puncture the
longer maintained and should be replaced
protective coating when checking the circuitry of the
with universal type CSV2215-2, CSV2215-3,
regulator card assembly. After repairs are completed
or 4B93-1-A at direct support. Should an in-
this coating must be restored in accordance with para-
verter with defective CSV1186-1 reach
general support , carry out this replacement