(
(
Should it ever become desirable to inspect this ball unit, the method
of operation and construction becomes obvious on inspecting the exploded
photograph on page 22.
1. Self-locking nut.
2.
-t"
plain washer.
3. Rubber dust cap.
4. Metal dust cap.
5. Upper casing.
6. Upper hemisphere. This is a nylon impregnated bearing with a
light smear of graphite grease, on assembly.
7. Bearing pin.
8. Lower hemisphere, also nylon impregnated.
9. Spring tensioner. This is a spring washer, which should be assem-
bled with the cone pointing upwards. The tensioner exerts a light
pressure on the base of the lower hemisphere, ensuring continuous
contact,
10. Flat distance washer.
11. Lower casing, which screws directly onto the top of the front upright.
Three Allen screws, which have to be unscrewed before the lower
casing may be removed.
Lower Ball Joint
The lower ball joint suspension unit is a sealed nylon impregnated
hemisphere of similar pattern to the front suspension upper ball joint, and
does not require maintenance. The method of construction and assembly
is shown on the exploded photograph, page 22.
1. One
-1"
locking nut.
2. Recessed washer. This should be assembled with the recess facing
downward.
3. Rubber dust cover.
4. Brass dust cover.
5. Steel dust cover.
6. Slotted nylon impregnated hemisphere bearing. This SllOUId be
assembled with the slot at right angles to the main chassis tubes,
lightly smeared with graphite grease on assembly.
7. Bearing pin.
8. Nylon impregnated lower hemisphere lightly smeared with graphite
grease on assembly.
9. Spring tensioner which should be assembled with the cone pointing
upwards, exerting light pressure on the lower hemisphere.
10. Lower casing cap.
11. Two spring washers.
12. Two Allen screws.
Note: The Allen screws are drilled and wired. Items 1-5 are assembled
above the wishbone, items 6-12 are assembled below the wishbone.
21
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