Trouble shooting chart – PA Industries Precision AirFeed User Manual

Page 26

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TROUBLE

SHOOTING

CHART

FEEDS

LONG

FEEDS

FEEDS

AND

FEED

AIR

SHORT

LONG

SHORT

SLIDE

LEAKAGE

Feed

Feed

Slide

Strip

Strip

Slide

Moves

Strip

Strip

Moves

Moves

Not

Before

Moves

Moves

Moves

Exhaust

Under

Under

Making

Feed

Under

Under

To

Port

Feed

Stock

Full

Clamp

Feed

Stock

Stock

Stop

No

Valve

Main

Air

Clamp

Clamp

Stroke

Closes

Clamp

Clamp

Buckles

Screw

Motion Block

Body

Tubes

MAINTENANCE

SET-UP & OPERATION

24

Air Pressure or Volume Too Low

✔

✔

✔

✔

✔

Feed Mounted Loose or Misaligned

✔

✔

✔

✔

Obstruction within Die: Slugs, Scrap

✔

✔

✔

Camber, Burrs, Unstraightened Coil

✔

✔

✔

Oily, Slippery Strip

✔

✔

✔

Stock Reel Drag or Tight Loop

✔

✔

✔

✔

Feed Timing Incorrect

✔

✔

✔

✔

✔

Forming Die Pulls Strip Forward

✔

✔

Shearing Die Pushes Strip Backward

✔

✔

Speed Adjust Screw Set Wrong

✔

✔

✔

✔

Clamp Clearance Set Wrong

✔

✔

✔

✔

✔

Water or Dirt in Air Line

✔

✔

✔

✔

✔

✔

✔

✔

Cartridge Valve Malfunction

✔

✔

✔

✔

✔

✔

✔

✔

✔

✔

Clamp Pistons O-Rings Leaking

✔

✔

✔

✔

✔

✔

Main Piston Cup Seals Leaking

✔

✔

Air Tube O-Rings Leaking

✔

✔

✔

Valve Disc Broken

✔

✔

Gasket Failure Under Valve

✔

✔

Worn or Broken Clamp Springs

✔

✔

Feed or Stock Clamp Springs Reversed

✔

✔

✔

Not Enough Air Line Oil

✔

✔

Retaining Plate Gasket Leaking

✔

✔

✔

Cushions Filled with Oil or Dirt

✔

✔

✔

✔

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