Rapid-Air AIR FEED A series Operating Instructions Manual
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9TROUBLESHOOTING1. Feed and stock clamps work, but slide block does not move whenactuating valve is depressed.a. Pilot operated valve (item #39) is stuck, either by grit,swollen nylon or swollen "O"rings.2. Excessive leakage of air from exhaust hole beneath speed adjustingscrew when actuating valve is in up position.a. Poppet (item #40) not seating on bottom of cartridgehole - check for grit or chipsNote: Refer to Rapid-Air exploded parts drawing ofAir Feeds to identify item numbers listed belowb. Leaking "O" rings #84, #85, #88, #90, #100 and #103,check for wear.3. Excessive leakage of air from exhaust hole, also sluggishoperation of feed clamp pistons with actuating valve in up position.a. Leaking of "O"rings #85 & #90, check for wear.4. Excessive leakage of air from exhaust hole when actuating valveis in down position. (Note:a slight amount of air leakage is normalin this position.)a. Tight "O" rings or grit around pilot operated valve(item #39) may prevent it from moving it's full stroke.b. Worn poppet (item #40).c. Poppet (item #40) is install backwards.5. Stock clamp does not move up and down when actuating valve isdepressed. Other operations appear normal.a. Worn "O"ring (item #96) around O.D. of stock clamppistons.6. Excessive leakage of air from actuating valve vent hole when actuatingvalve is in the up position.a. "O" ring (item #103) beneath actuating valve retainer(item #31c) is leaking. Install "O"ring beneath retainer,not in air groove. |
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