Onan MEP-003A - Page 43

TM5-6115-585-34
NAVFAC P - 8-262-12
TO - 35C2-3-455-2
TM - 05684C - 34
c . Installing Engine .
( 6 ) Attach engine supports ( 16 , figure 2-4 ) to
skid - base ( 19 ) with screws ( 12 ) , flatwashers ( 13 ) ,
lockwashers ( 14 ) and nuts ( 15 ) .
( 1 ) This installation procedure is to be followed
if the engine has been removed and the generator has
been left mounted on the skid - base .
( 7) Perform step ( 4 ) of paragraph 2-9 , b above .
2-10 . GENERATOR ASSEMBLY .
( 2 ) Lift engine into place on skid - base using
engine lifting bracket ( 8, figure 2-3 ) . Leave about a
6 inch space between the generator and the engine .
WARNING
( 3) Loosen generator mounting screws ( 9, figure
2-4 ) .
Engine lifting bracket is for lifting engine
alone . If engine and generator assembly are
lifted as one unit , use set lifting eye ( 18 ,
figure 2-4 ) .
( 4 ) Mount generator to engine as follows :
(a ) Install two 1 / 4-20 x 2 in . pilot studs into
the engine flywheel ( 9, figure 2-2 ) in two holes that
are 180 °
apart
.
a . Remove . Generator assembly is removed by ,
first removing engine and generator assembly as one
unit then removing generator assembly from engine .
( b ) Align fan (4 ), adapter plate and flywheel ( 9 )
using pilot studs .
( 1 ) Disconnect three wiring assemblies from
connectors ( 1 , figure 2-4 ) at ac output cubicle ( 2 ).
Disconnect generator ground at ground stud ( 3 ).
( c) Install four screws ( 1 ) , locking plate ( 2 ) ,
pressure plate ( 3 ) attaching fan and adapter to fly
wheel
( 9 ).
( 2 ) Disconnect foạr screws ( 5 ), lockwashers ( 7 ),
and
flatwashers
( 8 )
attaching generator support
( 4 ) to
generator and lift engine and generator assembly ( 17 )
free of skid - base ( 19 )
(d) Remove pilot studs and install remaining
screws ( 1 ) , locking plates ( 2 ) and pressure plate ( 3 ).
( e ) Bend locking plates ( 2 ) to lock all screws
( 3 ) Properly support engine and generator assem
bly and disconnect generator from engine assembly
as given in paragraph 2-9 .
(
1
)
.
( f) Install twelve nuts ( 5 ) and lockwashers ( 6 )
to attach generator housing ( 8 ) to engine ( 7 ).
b . Install . Install engine and generator assembly
as described in paragraph 2-9 , b . Connect three
wiring assemblies to connectors ( 1 , figure 2-4 ) at
ac output cubicle ( 2 ) . Connect generator ground at
ground stud ( 3 ).
( 5 ) Tighten generator mounting screws ( 9 , figure
2-4 ).
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