TM 9-6115-647-14&P
Table 4-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
ICC/CRG LOW FUEL WARNING LIGHT DOES NOT GO ON WHEN FUEL LEVEL DROPS BELOW 13
GALLONS (cont)
Step 5.
Disconnect control cable from ICC/CRG and PDU connector J6 Check continuity between pins
F on each connector, and between pins L on each connector
a.
Replace defective control cable
b.
Notify higher level of maintenance
Section VII. RADIO INTERFERENCE SUPPRESSION
4-14.
General Methods Used to Attain Proper Suppression . Essentially, suppression is attained by
providing a low resistance path to ground for stray currents The methods used include shielding ignition, cables
and high-frequency wires, grounding the frame with bonding straps, and using filtering systems
4-15.
Radio Interference Suppression Components. Most of the component parts on the power unit end
Item, whose primary or secondary function is radio interference suppression, are on the generator set Refer to
TM 5-6115-465-12 for location of radio interference suppression components on the generator set in addition to
those components on the generator set, the P3 power/control cable, the power/control cable to the ICC/CRG,
and the auxiliary cable are made of shielded cable, and EMI gaskets shield the PDU at the P3 cable point of
entry into the PDU and the adapter plate assembly at J3 and J4
Section VIII. MAINTENANCE OF POWER UNIT ELECTRICAL SYSTEM
4-16.
General. This section of the manual covers maintenance procedures authorized at unit level for
components of the electrical system unique to the power unit end item Maintenance of electrical system
components that are part of the generator set can be found in TM 5-6115-465-12 and -34 Maintenance of
electrical system components that are part of the basic trailer can be found in TM 9-2330-247-14&P. When the
power unit has been painted in camouflage, replacement parts must be painted to match authorized patterns
and colors as specified in TB 43-0147 Application of camouflage paint shall be done in accordance with MIL-C-
53072
WARNING
Before performing any maintenance that requires climbing on or under trailer,
apply trailer handbrakes Injury to personnel could result from trailer suddenly
rolling
Make sure generator set is shut down before performing the maintenance
procedures described in this section Serious injury or death by electrocution can
result if procedures are performed with power on
Change 1
4-19
