AccuStream AccuValve On/Off Valve Handbuch - Seite 11

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AccuStream Cutting Systems

4.4 Actuator Maintenance

The actuator is not a regularly serviced item. It is recommended, that the

actuator be disassembled annually. The actuator should be thoroughly

cleaned and all the internal parts inspected for wear.

If the actuator does not appear to be functioning properly, first check the

actuator for air leaks. There should never be air leaking from the bottom

area of the actuator. With the jet on there should be no air leaking from

the exhaust vent. Air leaks indicate that o-rings need to be replaced.

Over time, abrasives can accumulate inside the housing. The o-rings, will

show wear and the springs may lose some of their force. Replace all worn

parts: springs, exhaust vent, piston seal and o-rings.

Actuator Housing Disassembly

1. Remove the air fitting from the top of the

actuator.

2. Remove the Retainer cap from the bottom of the

actuator.

3. Place the actuator in a large vise and tighten the

vise just enough to apply slight compression to

the actuator springs.

4. Use a locking type snap ring pliers to close

(compress) the retaining ring that secures the

Actuator Cap into the Housing.

5. Carefully open the vise while verifying that the

Cap is coming free from the Housing.

NOTE: The actuator contains high force springs

and should be serviced with caution!

13084 ON/OFF VALVE & CUTTING HEAD MANUAL

Valve in vise

Snap-ring removed