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T1 Hdlight
T2 Ground
T3 Domelight
T4 Dist. Shaft
T5 Em. Brakes
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Tip 04 Loosening a New Distributor Shaft
Overview
Tools Needed Instructions |
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Who says old dogs can't learn new tricks. While preparing my Model A distributor for the PerTronix Ignitor™ electronic
ignition system, I replaced the bushings and added a new two-piece distributor
shaft.
Great. No wobble at all, but the shaft seemed to turn a tad tight. It will
wear itself in, I said. Ahah! Why not help it? |
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- Oil
- Vice
- Variable Speed Drill with Slot
Driver
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Pull back the oiler on the distributor and squirt some oil in the hole.
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Next, oil around the top
where the shaft protrudes from the casting.
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Turn the distributor upside down
and oil it again where the shaft comes out of the casting.
- With the distributed inverted, tighten the casting between the jaws of a vice. Not too hard
now. It seems to work best if you put the vice between the condenser flats.
- Next, you need to use your variable speed drill to turn the shaft
as you continue adding oil around the shaft. To this, put a slot- type driver
bit in your variable speed drill. Carefully
place the drill bit into the slot on the bottom of the shaft. Turn on the
drill and alternate between slow and fast speed while adding more oil frequently.
NOTE: When the drill is running at slow speed, you can use this
opportunity to see if the shaft is running true.
- Loosen the vice, turn the distributor right side up, re-tighten
the vice, and screw in
the cam screw.
- Squirt a little oil around the shaft again and repeat the spinning of the shaft.
After about five minutes, my casting spun on the shaft very freely without any
wobble or looseness around the shaft.
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Source: Larry Jenkins;
MAFCA web site (This article first appeared on the WWW Model A Message Board
sponsored by Dale Clinton on Dec. 16, 1998.) |
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