Refer to Table 1-3 for a glossaryof
This table gives the manual user
definitions not provided in Tables
A mixture of sulfuric acid and water used
in the batteries.
Recurring at regular intervals
EQUIPMENT DESCRIPTION AND DATA
Capabilities and Features
The PU 794/G con-
sists of a modified M200A1 trailer
chassis, auxiliary assemblages and a
modified 15 kW, 60 Hz, generator set
The modifications are not
intended or designed to be removed.
modifications are as follows:
(1) The PU 794/G is rated at 20
(2) The engine generator assembly
is mounted on shock isolator mounts to
reduce noise transmission.
(3) The fan and shrouding were
replaced with an improved fan and guard
for better cooling and noise reduction.
(4) A muffler is added to a new
combustion air intake filter housing and
the exhaust system is modified to reduce
(5) The top of the set was raised
to enclose the muffler and sound suppres-
sion material is added to the inside of
(6) Devices for electromagnetic
pulse protection (EMP) have been added.
(7) A remote control unit for the
PU 794/G is furnished for mounting inside
a communications shelter and will start,
stop and parallel two power units.
remote control unit indicates set running,
contactor closed, low fuel and phase
relation for paralleling.
(8) To facilitate remote paral-
leling, the PU 794/G has a remote speed-
setting isochronous governor, permissive
paralleling relay, under- frequency and
undervoltage protective devices, associated
control and power cables, junction boxes
The PU 794/G provides
20 kW, 60 Hz power and has noise reduc-
tion to 65 db(A) in any direction when
measured at seven meters.
The unit is
The unit can be operated
from the generator set controls or from
the remote control unit.
It can be
operated as a single unit or paralleled
with another PU 794/G for load transfer.
Two PU 794/Gs are not to be continu-
ously operated in parallel. The power
unit can be operated while being towed.
1-9. Location and Description of Major
Refer to Figure 1-1 and 1-2 for the loca-
tion of major components of the PU 794/G.
For components not discussed in this
paragraph, refer to TM5-6115-464-12 for
the generator set components and TM9-
2330-205-14&P for the components of the