Receiving
Your
New Lima"'
MAC
Refrigeration
Duty
Alternator.
Product is shipped FOB the
factory. Upon receipt
of
the
generator, it is recommended that it be carefully examined for possible
shipping damage.
The
generator was given
to
the freight carrier in
good
condition, thus
the
carrier is
responsible for the product from the factory dock
to
the destination. Any damage should be noted
on
the
freight
bill before accepting the shipment. Any claims for damage must be promptly filed with the
delivering carrier.
Unpacking
and
Handling. Carefully read all instruction tags shipped with the unit. When lifting, attach
an overhead crane
to
the lifting eyes
on
the generator frame. Insure that the lifting eye bolts are firmly
screwed into the frame prior
to
lifting. Apply lifting forces in a vertical direction.
WARNING
THE
LIFTING
EYES
ON
THE
GENERA
TOR
ARE
DESIGNED
TO
SUPPORT
THE
GENERA
TOR
ONLY.
DO
NOT
LIFT
A
COMPLETE
GENERA
TOR
AND
DRIVER
ASSEMBLY
BY
MEANS
OF
LIFTING
EYES
ON
THE
GENERATOR.
PERSONAL
INJURY
OR
DAMAGE
TO
THE
EQUIPMENT
MAY
RESULT.
Storage. In
the
event that
the
generator is not
to
be installed
on
its prime mover immediately, it is
recommended that
the
unit
be
stored in a clean, dry area which is not subject
to
rapid changes in
temperature and humidity.
In
the event
oflong
term storage, see Maintenance Section
of
this manual
for instructions for testing and drying
(if
necessary) prior
to
assembling
to
prime mover.
If
the unit
has been stored for an extended period
of
time in an area where there is considerable vibration, it is
recommended that the bearing/s be inspected and replaced,
if
necessary, prior
to
placing the unit into
service.
Preparation
for
Use. Although the generator has been carefully inspected and tested in operation
prior to shipment from
the
factory, it is recommended that the unit
be
thoroughly inspected, all bolts
checked for tightness, and insulation
on
lead wires examined for chafing prior to proceeding with
installation. Remove all shipping tapes, bags, blocks and
skid~
which are used to prevent vibration
and rotor movement during shipment.
Generator
Mounting.
Single bearing units are provided with an SAE flywheel housing adaptor
flange and flexible drive discs.
Very close tolerances are maintained in the manufacture
of
the
generator so that the alignment procedure is extremely simple. A drive hub
of
nodular iron is shrunk
on the shaft, and special steel drive discs are bolted
to
the hub.
In
some
cases a hub spacer and/or are
inserted between the drive discs and
the
shaft
to
achieve
proper
"G" dimension. Holes are provided in
the periphery
of
the coupling discs which correspond to tapped holes in
the
prime mover's flywheel.
The outside diameter
of
the drive discs fit in a rabbet in the flywheel so that concentricity is assured.
The
SAE flywheel housing adaptor ring and the engine flywheel housing are designed
to
match each
other, with no further alignment necessary. The generator feet have been milled parallel
to
the
axis
of
rotation, however,
the
set sub-base, usually being a weldment, may contain some degree
of
warp.
For this reason, the feet should
be
shimmed where necessary
to
obtain solid contact with
the
sub-base.
4
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