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make money on amazon
make money on amazon
- tuning vibratory drive units with side mounted coils
- coil adjustment
- determining correct springing for drive units
- make money on amazon
make money on amazon
if there is no vibration or attraction, check:
- fuse in control
- power to control
- power from control
- power at coil junction box if applicable
if power exists at the coils:
- shut power off
- disconnect coils from circuit and check with ohmmeter. each coil should have 1-3 ohms resistance.
if current is excessive (note: individual coils should draw no more than 3-4 amps on ac(120) or 5-6 amps on rc(60).):
- check coil gaps
- check for shorts
- check total current with amp meter
- check current in each coil individually
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the coil gap is the single most important adjustment on the entire machine. please don't rush it. some drives use shims behind the coil and/or a slotted coil stand. adjust as necessary to achieve the desired gap.
the four bolt coil adjustment that is most common may seem impossible to adjust at first, but with a little practice will become quite easy. consider the four bolts as t(top), b(bottom), r(right), l(left). with the power off, loosen all bolts a few turns. for ac operation, place a .025" to .030" (50hz - .040" to .045") shim between the pole face and the coil face. for rc operation, use a .060" to .080" shim (50hz - .080" to .100"). finger tighten the b bolt to hold the shim in place. next, finger tighten the t bolt, the r and l.
finally, tighten all bolts equally in 1/8-turn increments. keep in mind that t & b bolts push the coil toward the pole plate when tightened and the r & l bolts pull the coil away from the pole plate when tightened. if the shim remains stuck, loosen t & b 1/8 turn and tighten r & l 1/8 turn. visually inspect for even gap.
to double check for accuracy: the shim should slide with some resistance through the entire gap. when either t or b are tightened 1/8 turn, the shim should seize up. when either r or l are loosened 1/8 turn, the shim should also seize up.
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spring packs should be assembled as symmetrical as possible, which may be hard to identify because one 3/8" spring is equal to approximately three 1/4" springs in ac. one 3/16" spring is equal to approximately three 1/8" springs in rc. if any additional springs are needed, they should be added to the spring packs mounted to the coil posts. if the coil posts are already more heavily sprung, add to opposite posts.
after making sure that all bolts are tight, coil gap is clear and properly set, turn variable control on. with bowl running moderately, observe speed of parts coming up the track in bowl while slowly loosening one spring pack at the lug.
a properly tuned bowl will speed up before slowing down when one spring pack is loosened. bowl should have plenty of speed when all bolts are tight. if bowl speeds up when springs are loosened, but does not have speed when bolts are tight, the bowl is over sprung. in this case, springs should be removed one at a time. re-tighten bolts and re-test bowl after each spring is removed. remove them from most heavily sprung posts first.
more commonly, if bowl speed immediately decreases when one spring pack is loosened and the drive doesn't have enough power when all the bolts are tight, then the drive is "under sprung". add springs one at a time, then re-tighten and re-test. repeat this process until bowl is properly tuned. add springs to posts having the least amount of springs first. there must be two spacers between every spring, one at the top and one at the bottom.
how to get paid to review amazon products if there is evidence of the bowl changing speed when the level of the parts changes, set the drive up to operate in a slightly under tuned situation. after tuning and making sure that everything is tight, observe the motion of the parts around the circumference of the feeder bowl. see that the parts are flowing up the track evenly from the bottom of feeder to the discharge. if there are any notable "dead spots" (stalling of parts on the track), please call us immediately. do not try to change stainless tooling on the bowl.
it is our opinion that drives operating in an extremely oily environment will prematurely lose tuning due to oil saturation. we suggest operating drive on rc that requires thinner springs and let the drive remain oily.
how to get paid to review amazon products please have following information ready: serial no., model no., drive no., bowl size, voltage and any other information or observations affecting bowl performance.
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