Section V. MAINTENANCE OF GENERATOR SETS
(1) Remove screws and remove distribution
Detailed organizational maintenance procedures
(2) Loosen cap at cable entrance fitting at
pertaining to the diesel engine generator sets may
bottom of distribution box; slide cap back on
be found in TM 5-6115-239-10, TM 5-6115-247-
15 (45KW) or TM 5-6115-425-12 (60KW) ; for
(3) Loosen watertight bushing inside cable
the M200A1 trailer refer to TM 9-2330-205-14,
entrance fitting and slide it back on distribution
and for the M54A2 truck refer to TM 9-2320-
(4) Loosen locking nuts and remove the four
Set Batteries (All Units)
cable leads (not shown) from distribution box
Handle batteries carefully. Electrolyte
(5) Withdraw cable and slide off bushing
contains sulphuric acid and can cause
severe bums. If solution comes in contact
b. Installation of Distribution Box Cable B or E.
with body or clothing, flush affected area
(1) Slide cable entrance fitting cap onto
with water immediately.
power cable so threaded end is toward prepared
cable leads. Slide watertight bushing onto power
Removal and replacement of M54A2 cargo truck
cable so tapered end of bushing is toward pre-
batteries is covered in TM 9-2320-211-10.
(2) Insert cable through cable entrance fit-
batteries from generator unit.
ting and connect prepared leads to bus bar
b. Installation. Install batteries in reverse
terminals as follows:
order of removal. Be sure to observe proper
Black (phase A) _________________Terminal No. 1
polarity when connecting battery terminals and
Red (phase B) ___________________ Terminal No. 2
Green (phase C) ________________ Teminal No. 3
White (neutral) _________________ Teminal No. 4
4-11. Fuel Can Brackets (All Units)
(3) Press watertight bushing into cable
The fuel can brackets on the generator trailer
entrance fitting and tap firmly in place.
(PU-407/M, PU-699/M) are located on the front
(4) Replace and tighten cap on cable en-
roadside fender assembly (fig. 1-2 (1), are re-
moved and installed as described in a and b below.
(5) Replace distribution box back cover
The fuel can brackets on the cargo truck (PU-
plate and tighten screws.
408/M, PU-700/M ) are located on the curbside
of the skid platform, between the reels and
c. Removal of Generator Cable A or D.
generator set and are removed and installed in a
(1) Raise right-hand diesel engine access
similar manner after the skid platform has been
door closest to generator set control panel and
removed from the cargo truck,
secure in open position.
a. Removal. Unbuckle straps and remove fuel
(2) Follow procedures. in a(2) through (5)
cans (2) from bracket. Loosen and remove nuts,
above to remove cable from generator set output
step) that secure fuel can bracket. Lift off bracket
d. Installation of Generator Cable A or D.
and remove mounting bolts. Straighten bracket if
bent or replace a defective bracket.
(1) Install power cable as described in b(1)
through (4) above; connect leads to generator
b. Installation. Place bracket over mounting
output terminals as follows:
holes in fender step and insert bolts. Replace
mounting hardware and tighten securely. Install
Black (phase A) ________________Terminal L1
fuel cans and tighten straps.
Red (phase B) _________________Terminal L2
Green (phase C) _________________ Terminal L3
White (neutral) __________________Terminal LO
4-12. Power Cables (45KW) (PU-407/M,
(2) Replace a defective cable; lower and
secure diesel engine access door.
a. Removal of Distribution Box Cable B or E.