Table 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES
Section V. TROUBLESHOOTING
This section contains troubleshooting or malfunction
information and tests for locating and correcting most
of the troubles which may develop in the generator
TEST OR INSPECTION
sets. Each malfunction or trouble symptom for an
individual component, unit, or system is followed by a
1. GENERATOR FAILS TO SUPPLY LOAD
list of tests or inspections necessary for you to
determine probable causes and suggested corrective
Step 1. Inspect the load terminals for cracks, breaks,
actions for you to remedy the malfunction.
loose terminals and other damage. Replace
the load terminals (para 4-25). Check slave
receptacle on MEP-026A28VDC model;
a. This manual cannot list all possible malfunctions
Repair or replace as necessary.
that may occur or all tests or inspections, and
Step 2. Check the circuit breaker to see if it is open.
corrective actions. If a malfunction is not listed (except
Close the circuit breaker; if the circuit
when malfunction and cause are obvious), or is not
breaker will not stay closed, it is defective.
corrected by listed corrective actions, you should
Refer to intermediate (field), (Direct
notify higher level maintenance.
support and general support) maintenance
b. Table 4-2 lists the common malfunctions that you
may find during the operation or maintenance of the
3. Inspect the generator stator
or rotor coils for
generator sets or their components. You should
loose connections or breaks. If either of these
parts are defective, there will be no voltage
perform the tests/inspections and corrective actions in
the order listed.
intermediate (field), (Direct support and
general support) maintenance personnel.
Before you use this table, be sure you have
2. GENERATOR FAILS TO SUPPLY LOAD
performed all normal operational checks. If you
have a malfunction which is not listed in this
Step 1. Inspect for a cracked, broken or corroded
table, notify the next higher level of
Step 2. Test for a defective connector by plugging a
Air Force users may perform maintenance
known good test lamp into the receptacle. If
within the scope of their capabilities.
the test lamp fails to illuminate connector is