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9-22
GROUP 9-
IGNITION SYSTEM
8. Remove the sub-plate retaining
screws and lift both plates out of the
distributor.
9. Mark one of the distributor
weight springs and its brackets.
Also mark one of the weights and
its pivot pin.
10. Carefully unhook and remove
ihe weight springs.
11. Lift the lubricating wick from
the cam assembly. Remove the cam
assembly retainer and lift the cam
assembly off the distributor shaft.
Remove the thrust washer.
12. Remove the weight retainers
and lift the weights out of the
distributor.
13. Remove the distributor cap
clamps.
14. If the gear and shaft are to
be used again, mark the gear and
the shaft so that the pin holes
can be easily aligned for assem-
bly. Remove the gear roll pin (Fig.
5),
and
then
remove the gear
(Fig.
7).
15. Remove the shaft collar roll
pin (Fig.
8).
16. Invert the distributor and
place it on a support plate in a
position that will allow the dis-
tributor shaft to clear the support
plate and press the shaft out of the
collar and the distributor housing
(Fig.
9).
FIG.
7- Gear Removal
17. Refer to Figs. 10 and 11 and
remove the distributor shaft upper
and lower bushings.
FIG. 8
-Collar
Pin
Removal or
Installation
BENCH ASSEMBLY
ORIGINAL SHAFT AND GEAR
1. Oil the new upper bushing, and
position it on the bushing replacer
Preu ltom
FIG. 9
-Shaft Removal
tool. Install the bushing
(Fig.
12).
When the tool bottoms against the
distributor base, the bushing will be
installed to the correct depth.
2. Burnish the bushing to the
proper size (Fig. 13).
3. Invert the distributor and install
and burnish the lower bushing in a
similar manner.
4. Oil the shaft and slide it into
the distributor body.
FIG. 10-
Lower
Bushing
Removal
5. Place the collar in position on
the shaft and align the holes in the
collar and the shaft, then install a
new pin. Install the distributor cap
clamps.
6. Check the shaft end play with
a feeler gauge placed between the
collar and the base ofthe distributor.
If the end play is not within specifi-
cations, replace the shaft and gear.
7. Attach the distributor shaft
supporting tool to the distributor.
Tighten the backing screw in the tool
enough to remove all shaft end play.
8. Install the assembly in a press.
Press the gear on the shaft (Fig. 14),
using the marks made on the gear
and shaft as guides to align the pin
holes.
9. Remove the distributor from
the press. Install the gear retaining
pin (Fig. 5).
10. Position the distributor in a
vice. Fill the grooves in the weight
pivot pins with a distributor cam
lubricant.
11. Position the weights in the dis-
tributor (the marked weight is placed
on the marked pivot pin) and install
the weight retainers.
12. Place the thrust washer on
the
shaft.
13. Fill the grooves in the upper
portion of the distributor shaft with
distributor cam lubricant.
14. Install the cam assembly. Be
sure that the marked spring
bracket on the cam assembly is
near the marked spring bracket
on the stop plate.
If a new cam is being installed,
make sure that the cam is installed
with the hypalon covered stop in the
correct cam plate control slot. This
can be done by measuring the length
of the slot used on the old cam and
by using the corresponding slot on
the new cam. Some of the cams will
have the size of the slot in degrees
stamped near the slot. If the wrong
slot is used, an incorrect maxi-
mum advance will be obtained.
Place a light film of distributor
cam lubricant on the distributor cam
lobes. Install the retainer and the
wick. Saturate the wick with SAE
lOW engine oil.
15. Install the weight springs. Be
sure that the marked $pring is
attached to the marked spring
brackets.
16. Place the breaker plate in
position on the sub-plate.
17. Install the spring washer, the
flat washer, and the spring clip that
secures the breaker plate to the sub-
plate.
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