DIAMOND PACIFIC Genie Manuel - Page 12

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top where the screw was removed. Do not use too much oil or allow it

to run out of the hole, as excess oil can leak onto the pump belt and

cause belt slippage. Replace the screw and hood.

Regularly oiling as explained above will normally keep the pump

operating properly, but the two usual causes of decreased air

output, dried out pump leathers and belt slippage, are easily

corrected.

Dried Out Pump Leathers:

Decreased air flow with the pump still operating is usually caused by

dried out pump leathers. The leathers should be removed and

thoroughly oiled, or replaced.

This

can

done

disassembling the pump with a

phillips screwdriver as follows:

UNPLUG THE

MACHINE.

2. Remove the four head

screws on the top of the air

pump. One is painted red

and the other three are

unpainted.

Once

the

screws are out, remove the

cylinder head and cylinder.

The piston will then be

exposed.

3. Remove the leathers and

felt from the piston by

unscrewing the screw in

the top of the piston.

Stretch the leathers and

felt with the fingers, and oil

them generously with 30

weight oil.

4. When ready to reassemble

the piston, it is important

that it be done in the

following order: (see photo)

Place the felt between the two leathers. The smooth or shiny

side of the leathers should be away from the felt.

Place the piston washer on top of the leathers, countersink side

of the washer hole facing up. Center the washer so that the

edge of the leathers shows evenly around it.

Slip the screw through the washer and leathers and into the

hole of piston top. Tighten the screw securely so that it cannot

loosen.

D. Slip cylinder and head back over the piston with the air outlet

tubing to rear of machine

Start the red screw back into the front left hole, then start the

other three corner screws before tightening all four evenly and

securely. Avoid excessive tightening of these screws as this

may distort the main bearing of the pump, causing hard turning

and overheating.

Belt Slippage

Intermittent air output or no air output is caused by a slipping belt.

This problem indicates that excess oil from the pump has leaked onto

the pulley and belt, and can be corrected by cleaning and tightening (or

replacing) the belt as follows:

UNPLUG THE

MACHINE.

2. Remove the left hand hood and wheels.

sections on removing and replacing wheels on the left hand side of

the machine, and on balancing Galaxy Wheels when you replace

the wheels.

When the left hand wheels are removed, the pump pulley will be

exposed. Rotate the pump pulley by hand until the two holes in the

pulley are in a horizontal position and you can see two phillips head

pump mounting screws in the pump base behind the pulley. (See

picture on following page). Line up one of the holes with one of the

screws and loosen the screw with a phillips screwdriver. Do not

remove the screw. Then line up the other hole in the pulley with the

other screw and loosen it slightly.

IMPORTANT:

See