Onan MEP-003A - Page 41

TM5-6115-585-34
NAVFAC P - 8-262-12
TO - 35C2-3-455-2
TM - 05684C - 34
( d) Rotate
engine
an
additional
90 ° and
remove
second
set
of
screws
. Continue
until
all
four
sets
of
screws
( 1 ) are
removed
.
1
( e ) Remove twelve nuts ( 5 ) and lockwashers
( 6 ) attaching generator housing ( 8 ) to engine ( 7 ).
( 11 )
Remove
four
screws
( 3 , figure
2-3
) , lock
washers
( 5 ),
flatwashers (4 ) and
nuts
( 6 )
attaching
each
engine
mount
( 2 ) to
skid
- base
( 7). Lift
engine
free
of
Generator
Set
.
b . Installing Engine - Generator Assembly .
9
(
1
)
Attach
generator
to
engine
.
2
( 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
.
(b ) Align fan ( 4 ), adapter plate and flywheel ( 9 )
using pilot studs .
( c)
Install
four
screws
(
1
)
,
locking
plate
(
2
)
,
pressure
plate
(
3)
attaching
fan
and
adapter
to
fly
wheel
(
9
)
.
( 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
5,6
(
1
)
.
( f ) Install
twelve
nuts
( 5 ) and
lockwashers (6 )
to attach
generator
housing
( 8 ) to engine
( 7 ).
(
2
)
Lift
engine
generator
assembly
into
place
on
skid
-
base
and
install
screws
(
3,
figure
2-3
)
,
lock
washers
(
5
)
,
flatwashers
( 4 )
and
nuts
(
6
)
to
attach
engine
mounts
to
skid
-
base
.
1.
Screw
( 8)
2.
Lock
plate
(
4
)
3.
Pressure
plate
(
4 )
4.
Fan
5.
Nut
(
12
)
6.
Lockwasher
(
12
)
7.
Engine
8.
Generator
housing
9.
Flywheel
( 3 ) Attach engine speed control ( 3, figure 2-1 ) to
bracket
( 5 )
and tighten
nut ( 1 ) .
(
4
)
Refer
to
Operator
to
Operator
and
Organizational
Maintenance
Manual
and
proceed
as
follows
:
TS 6115-585-34 / 2-2
Figure 2-2 . Disconnecting Engine from Generator
(a )
Install
generator
screen
-
guard
if
previously
removed
.
(
b)
Install
fuel
tank
.
( b ) Remove center plug from grille on blower
housing . Refer to Operator and Organizational
Maintenance Manual .
(
c)
Connect
oil
drain
hose
to
mounting
on
skid
base
.
( d ) Connect fuel lines to fuel filter and fuel
injection
pump
.
(
e
)
Install
air
filter
assembly
.
( c ) Using a 5 / gii socket wrench on hex head
capscrew at center of blower wheel , rotate engine
clockwise until one of the four sets of screws ( 1 ,
figure 2-2 ) attaching generator fan ( 4 ) and coupling
plate to engine flywheel is accessible thru opening in
generator housing ( 8 ). Straighten locking tabs and re
move th
two
screws
and
the
locking
plate
(
2
)
and
pressure
plate
(
3
).
( f) Reconnect previously tagged wire harness
to engine ( see schematic figure 1-1 ) .
( g ) Connect cables to starter .
( h ) Install batteries and reconnect .
-
2-14