Rapid-Air AIR FEED / CUT-TO-LENGTH WITH KEYPAD - Manual (Page 20)

19
PROBLEM
Feed has difficulty pushing last
part of progression.
Over feeding
Under feeding
Slide block will move out okay,
but will not return without
hesitation
Feed acts sluggish on start up.
Okay after running for a while. PROBABLE CAUSES
*Feed is not inline with die.
*Stock excessively dirty or oily.
*Feed is operating too fast.
*Stock and feed clamps may be
loose.
*Insufficient air pressure.
*Stock has large slitting burr.
*Stock clamp and feed clamps
are loose.
*Feed is not lubricated.
*Stock excessively dirty.
*Feed may be feeding before
punches are clear from stock or
die.
*Feed may be operating too slow.
*Check speed adjusting screw.
*Check pilot operated valve.
Swollen “O” ring could be binding,
until pressure build up breaks it
free. Check poppet valve.
*Check pilot operated valve for
“O” rings binding. Valve should
move freely in cartridge. REMEDY
*A slight angular adjustment of
the feed will reduce the binding of
the stock on the die guides.
*Clean unit and stock. Run and
retest.
*Turn speed adjusting screw
clockwise to slow down
*Although nuts are self locking,
they can in time work themselves
loose; retighten the nuts
*Adjust air pressure to between
80 and 100 PSI
*Check clearance between
clamps and stock
*Although nuts are self locking
they can in time work themselves
loose;
Retighten them
*Check lubricator at air inlet, there
should be oil in the bowl.
*Clean away dirt which may be
present between slide block and
main body area.
*Adjust the amount of depression
of the actuating valve.
*Turn speed adjusting screw
counter-clockwise to increase
speed
*Adjust for smooth operation.
*Check moisture content in air
lines. Change “O rings.
*This usually occurs after a period
of non-running. After running unit
for awhile the unit usually frees
up okay.