Paxar 545 - Manual (Page 74)

72 • Mechanical Trouble Shooting Users Manual Model 545™
Mechanical Trouble Shooting
Fabric
Problem Probable Cause Corrective Action
Fabric will not roll or jumps 1) Incorrect adjustment of unwind
web guides
1) Be sure fabric roll is as flat as possible and does
not extend over core.
2) Adjust the web guides to touch the fabric roll
without pinching the core.
Fabric jams in bridge blade
rollers or knife area.
1) Knife mounted bridge blade too
close to stationary bridge blade.
1) Loosen screws in upper knife securing bridge
blade roller assembly and slide up (holes in
blade are slotted) until rollers just contact
fabric. Tighten screws.
2) Knife not cutting full width of
fabric.
1) Loosen knife shear adjustment screws and move
outer end of knife until full cut is accomplished.
3) Stacker not operating or nip rollers
not turning.
1) Be sure the nip roller is free to rotate and moves
easily in the bearing slots.
Will not stack. 1) Stacker not operating. 1) See step 3 above.
3) Incorrect rail position or stacker
bed angle.
1) Using a cut label, position stacker rails so that
approximately 3/8" (9.5mm) overhangs the
second grooved roller. Loosen quick-turn
handle on stacker clamp and raise or lower
stacker bed until opening between 1st label
overhang and belt surface will allow entry of
next label.
Knife will not cut or partial
cut
1) Incorrect pre-load on clutch pawl. 1) With back cover removed and power off -
operate solenoid by hand. When lever is
moved, clutch pawl should move counter-
clockwise about 1/32" (0.79mm) with the "pac-
man" in home position. If not - loosen "pac-
man" set screws and readjust "pac-man" to stop
with spring in detent.
2) Partial cut 1) Loosen shear adjustment screws and move outer
end of knife until full cut is obtained.