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8-56
IGNITION SYSTEM
On Prestolite built distributors, place the housing
m
an arbor press and press out the upper and lower
bushings from the bottom of the housing using Driv-
er Tool
C-3041.
( f )
Soak the new bushings in light engine oil for
approximately
15
minutes.
(g) Position the new upper bushing with the hole
in the bushing
up
and in line with the oil hole in
the housing, then press the bushing into the distrib-
utor housing with Tool
C-3041
and the tool adapter
with the flat face of the adapter contacting the bush-
ing (Fig.
6),
press the bushing into the distributor
un-
til
top of bushing is
1.613
inches from top machined
face of distributor housing. Place
a straightedge on
the machined surface of housing and measure from
bottom face of straight-edge to the top of the bushing.
Invert the housing and install the other bushing (Fig.
7) flush with
the face of the distributor base.
(h)
Insert
a
3/32
inch rod through the housing oiler
hole to see
if
the hole in the bushing indexes with
the oiler hole in the housing.
If the rod cannot be in-
serted through the housing and the bushing, drill a
VS"
hole through the upper bushing by drilling
through the oil wick hole. Remove burrs caused by
the drilling operation.
(i) Install the burnishing tool part of
C-3041
tool
set
and force the burnisher through both the bushings
(Fig.
8).
The correct bushing inside diameter
is .4995
to
5000
inch.
ASSEMBLING THE DISTRIBUTOR
(1)
Test operation of centrifugal weight and inspect
the weight springs for distortion. Lubricate the gov-
ernor weights.
(2)
Inspect all bearing surfaces and pivot pins for
roughness, binding or excessive looseness.
PRESS
RAM
TOOL (DRIVER)
r "
8
TOOL
(BURNISHER)
4
;;
UPPER BUSHING
Fig. 8 4 u r n i s h i n g Distributor Housing Bushings
(3)
Install the cam spacer, chamfered end down on
the distributor shaft.
(4)
Slide the cam and yoke on the distributor shaft,
engage the weight lugs with
the
slots in the yoke. In-
stall the cam retaining spring clip. Be
sure it is
prop-
erly seated in the groove of the distributor shaft.
(5)
Lubricate and install the flat thrust washer.
Po-
sition the washer on the distributor shaft and slide
the shaft into the distributor body. Position the low-
er thrust washer and drive the collar on the lower
end of the shaft. Install the retainer pin.
(6)
Install the oiler wick and oiler.
(7)
Install the contact plate assembly. Align the
condenser lead, contact point spring, primary lead
and install the attaching screw
(8)
Install the felt wick in
the
top of the distrib-
utor cam.
(9)
Attach the vacuum advance unit
arm
to the con-
tact plate and install the retainer. Install the vacuum
unit attaching screws and washers.
(10)
Test the contact arm spring tension, and ad-
just the contact gap.
(11)
Lubricate the felt pad in the top of the distrib
utor cam with
3
install the rotor.
to
5
drops of light-engine oil and
B R E A K E R ARM
AND SPRING
Fig. 7 4 n s t a l l i n g Distributor Housing
lower
Bushing
Fig. 9-Terting
Breaker Arm Spring Tension
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