Section VI. TROUBLESHOOTING
Power Unit Troubleshooting. There are no troubleshooting procedures authorized at unit level
for the power unit end item. Troubleshooting procedures for the individual generator set and trailer
are contained in their respective technical manuals referenced below.
a. Generator Set Troubleshootinq. Refer to TM 5-6115-585-12 for troubleshooting procedures
applicable to the generator set.
b. Trailer Troubleshooting. Refer to TM 9-2330-202-14&P for troubleshooting procedures
applicable to the trailer.
Section VII. RADIO INTERFERENCE SUPPRESSION
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 and high-frequency wires, grounding the frame with bonding straps, and using filtering
Radio Interference Suppression Components. All 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 5-6115-585-12 for location of radio interference suppression components.
Section VIII. MAINTENANCE OF POWER UNIT TRAILER
General. This section of the manual contains unit level maintenance procedures for
components of the MII6A2 trailer added when the trailer is used as part of the PU-753/M power unit.
These components are not covered in the overall trailer maintenance manual. For all other unit
maintenance procedures on the trailer, refer to TM 9-2330-202-14&P.
Before performing any maintenance that requires climbing on or under trailer,
set trailer handbrakes, chock both wheels, and lower rear leg prop. Injury to
personnel could result from trailer suddenly rolling or tipping.
Fuel Can Bracket Replacement. (See figure 4-5.) There are four fuel can brackets supplied
with the PU-753/M. Two brackets are mounted on top of each fender. Replacement procedures
described below are typical for all four.
(1) Remove four screws (1, figure 4-5), four nuts (2) and four flat washers (3) securing
bracket (4) to fender (5).
(2) Remove bracket (4) from fender (5).