4. Bottom
Bala:rce Gear-Bearing
fusembly:
Rotate crankshaft until it is approximately
15o
past
3DC
thar slip
one
.010' spacer
over stub shaft before installing
bottom
gear-bearing
assembly.
Align secondary
timing
mark
on this
gear
with secondary timing mark
(on
counterweight)
of
crankshaft then install
gear-bearing
on
shaft.
Secondary
timing
mark
will
also be
aligned with standard
timing mark
on crankshaft after installation
if
properly
dmed. Use
one .005" spactr and one .020" spacer
(largest
next to retainer) to obtai:r
proper
end
play
ol
.005 to .31CI'. Install snap ring retainer
then
recheck and adjust
end
play
as
needed,
ASSEIT,IBLY
1.
Xear Main Beriag
I
a,
Instatl rear main
bearing by
pressing
it into cylinder
block with
shielded side facing to inside of blocft.
2, €overmr
Shaft
a. Most engines
have a
cross
shaft with an
extension
riveted in
place
to line up with
governor
gear.
A
rced1e bearing
is
provided (in
block) to hold cross shaft in alignment.
3.
To hstdl
f,overnor
a,
Place cylinder
block on its side. Slide
governor
shaft
into
place
from
inside of block.
b. The
governor
shaft
can
be adiusted for end clearanm
by
moving
needle
bearing
in
block. Set bearing to
allow
a slight
back-and-forth
movement
of the shaft.
c. Place space washer on stub shaft and slide
governor
gear
assembly into
plae.
d, Tighten
holding
screw
from
outside of
cylinder
bloek.
$crew
prevonts
govemor gear
from
sliding off
stub shalt
duriag essembly.
e. Rotate
govelxror
gear
assembly to be sure holding
screw
dqes
not contact weight section of
gea:.
Figurc
36
-
Explodcd Visw,
i{oior Componcntr Of
Typlcol Enginc
37
}IDER HEAD
CRAI{(CASE
AITTI.FR
ICTT ON
CRANKSIAFT
/@
OIL SEAL
mu
BEARING PLATE
AL ?AN/
To Next Page
Loading...
