DIAMOND PACIFIC Genie Manual - Halaman 14

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The left hand set of wheels can also be removed as a unit while still

mounted on the adaptor if necessary. This can be done as follows:

Remove the right hand wheels first. Hold the right hand shaft with

a pair of visegrips or channel-lock pliers to prevent the motor shaft

from turning. Use a piece of leather or thick cloth to protect the

shaft from the pliers.

While holding the right hand shaft with the pliers, turn the left hand

wheels

in the same direction that they turn while

adaptor has left hand threads.

If the shaft is marred by the pliers, clean it with a fine file or

sandpaper, removing any burrs. Be careful not to create uneven

spots in the shaft. Oil each shaft lightly with lightweight oil. Excess

oil will cause belt slippage.

Remounting and Balancing Galaxy Wheels:

Galaxy Wheels are machined to run true, but must be adjusted to

the individual adaptor and arbor. This is especially important when

wheels are reversed or a new wheel is mounted.

When mounting a wheel, its position should be adjusted so the

imperfections tend to cancel rather than add. For example, a high spot

on a wheel should not be positioned over a high spot on an arbor shaft.

Also, when two wheels are mounted side by side, the heaviest points on

their rims should be positioned opposite each other rather than

together. Since the imperfections referred to would be measured in

thousandths of an inch, or tiny fractions of an ounce, you might think

that precision instruments are needed for aligning wheels. Actually,

proper adjustment can be simply accomplished by the following

procedure:

First make certain the spacers, adaptor, and wheel hubs are clean

and smooth. Mount the wheels and spacers on the adaptor and

thread it onto the shaft.

Turn the motor on just long enough to rotate the wheels and

observe whether they are running true. If there is a "wobble" or

"bounce", you will need to balance all three wheels.

running, as the

Start with the inside wheel which is usually the 280 Nova. Loosen

the brass lap connector and rotate the inside wheel about one

eighth of a turn. Tighten the lap connector, turn on the motor for a

moment and check to see if the wheels are running true. If not,

repeat the process. These random displacements of the wheel

should eventually place it in a position where it performs

satisfactorily. And remember, the Nova Wheels will not necessarily

run as true as the Galaxy Wheels, and it is not necessary that they

do because of their soft construction.

Once the inside wheel is balanced, hold it in place while you loosen

the lap connector to rotate and balance the middle wheel. Make

certain that any time you loosen the lap connector to turn a wheel,

that you hold your balanced wheels in place; otherwise, they may

slip and become out of balance again.

The first wheel (usually the 80 grit) should be balanced last using

the procedure in #3.

When all three wheels are balanced, it is very important that all

three be held securely in place while the lap connector is tightened.

7. A Galaxy Wheel that is not balanced properly will begin to wear

prematurely at the "high spot". If such a spot should begin to

appear on your wheel, check it once again to make certain it is

properly balanced.