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37
Pushers advance, safety
doors close, cycle stops
(continued)
Door switch IS2.
This adjusting screw located on
the exit door is used to set IS2,
which completes the circuit for
PLC numbers, X13 and Y3.
X13 must be illuminated before
Y3 circuit can be completed.
Pushers advance, safety
doors close, closing
head comes down and
machine cycle stops.
Book thickness.
Failure to adjust closing unit
height. Book is too thick and
not letting the closing ram make
LS3.
LS3 needs adjustment.
Remove rear cover on closing
area.
Locate the air cylinder).
Mounted on the air cylinder is
LS3.
Turn power on.
Depress the ram down key on
the keypad.
Loosen the clamp that secures
LS3 to the air cylinder and slide
LS3 to the right or to the left
until the LED illuminates.
Tighten clamp.
NOTE: There shouldn’t be any
books or wire under closing ram
during this adjustment.
Depress ram up key and test
cycle.
17. MAINTENANCE REQUIREMENTS
FOR THE STL1000