Gamo 793676082479 사용 설명서 - 페이지 3

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WARNING:

Please do not disassemble any joint when there is residual air in the pump, it is very dangerous to take apart

the joint in this situation.

Don´t put your hand near the air vent or point towards people when you open the bleed valve screw.

Serious damage could be caused if the above steps are not done properly.

7. COMMON PROBLEMS & SOLVING METHODS

· The pointer needle or pressure gauge has not moved or moved slowly when inflated for a long time (Generally

speaking, the 0.5L (16.9 oz) standard bottle will hold up to 200 BAR when you pump for 420-450 times).

Reason: Air Leakage

Solving method: Put it under water to find the leakage point.

· In the process of pumping, pulling up the handle is very hard and when it is pulled all the way up it automatically

sucks back.

Reason: Level-3 piston set has a problem.

Solving method (refer to pic-7.2):

• Please open the bleed valve, and take out the tube. Connect the screw which is on the top of the pump barrel

(just one screw), fill water or silicon oil into the tube, then reassemble the pump and rapidly inflate (without

bottle and test plug) for many times. This removes unwanted particles from the valve.

• Take apart the Level-3 piston set to find the leakage, or change the O-ring.

In the process of inflation, pull up lightly but push down heavily or it will automatically run up.

Reason: The sealing of check valve at the base plate is not sealing, is damaged or has some unwanted particles/

dirt etc.

Solving method (refer to pic-7.3): Open the check valve of the base plate with the special key, and clean or

replace the check valve.

· In the process of inflation, pull up lightly but push down heavily.

Reason: The sealing of check valve at the base plate is not sealing, is dimaged, or has some unwanted particles/

dirt etc.

Solving method (refer to pic-7.3): Open the check valve of the base plate with the provided special key, and clean

or replace the check valve.

· The inflation action becomes heavier and heavier both for pulling up and pushing down.

Reason: The pump is in serious need of oil.

Solving method (refer to pic-7.4): Use silicon oil for maintenance.

Notice: The pump must be inflated many times (without bottle or test plug). Once done please add the silicon oil

in the pump. The oil must be drained clean to prevent any later ignition when using it. So please ensure the oil

will be drained as much as possible.

· The needle pointer of the pressure gauge is not on zero position.

Reason: the oil is not drained clean, the oil expansion when the pressure reaches 20 Mpa can cause the

instantaneous pressure to reach up to 40 Mpa (overload) or has been destabilized during transportation.

Solving method: Replace the pressure gauge.

Pic-7.2 •Remove the dirt from the valve and replace

Pic-7.3 •Please clean or replace valve

the O-ring when the pump automatically sucks back.

when the pump automatically run up.

CAUTION:

It is normal to hear a loud hiss and see water residue when you release the air from the pump. This is residual

air stored in the pump and hose. The volume of the hiss depends on the amount of air being released. Normally

the volume of air released will not be too much, if the volume is too much, then check the bottle valve as this

may not be working properly, or the valve of the container has not been sufficiently tightened enough. If the

problem still exists then use a different container to determine whether the problem is caused by the pump or

the bottle. If the problem is believed to be the pump then please refer to the instruction manual accordingly.

Pic-7.4 •Apply 2-3 drops of silicon oil when

inflation action becomes heavier and heavier.

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