Tear Bar (Preliminary) - Bell DATASPEED 40 Adjustments And Lubrication

PALLET TO RIBBON-PAPER SHIELD CLEARANCE
(Forms Access Printer)
Requirement
With the type carrier installed and rotated a minimum
of two revolutions, there should be a minimum of
0.006 inch clearance between all pallet faces and
the ribbon-paper shield when measured at the left
and right shield posts.
To Check
Position a 0.006 flat gauge against the
ribbon-paper shield at the shield post
and rotate the type carrier one complete
revolution by turning impeller gear by
hand clockwise. Repeat the procedure
at the other shield post.
To Adjust
Check that all pallets are seated per
TYPE CARRIER PALLET ALIGN-
MENT. Recheck the following
adjustments:
RIBBON GUIDE
LEFT CARRIER SPROCKET
RIGHT CARRIER SPROCKET
TEAR BAR (Preliminary)
(40P253 Forms Access Printer)
Requirement
There should be a gap of
Min 0.045 inch --- Max 0.050 inch
between ribbon paper shield and tear bar.
To Adjust
ISS 3, SECTION 582-210-700
RIBBON
PAPER
SHIELD
RIGHT
SHIELD
POST
The tear bar mounting screws (2) and tear bar assembly securing screws (2) should be friction tight and
the tear bar adjusting screws turned counterclockwise to make the measured gap less than the require-
ment. Turn tear bar adjusting screws clockwise until a 0.045 inch gauge just passes freely. Tighten
four mounting screws.
Note:
If the printer is utilized in a ribbonless application, the gap between the ribbon paper shield and
tear bar should be Min 0.075 inch --- Max 0.080 inch and the adjustment is considered final.
0.045" SHIELD POST SHIELD RIBBON· 0.045"
ro"
R1BBONPAP~HAM~~~ANK POI~~j\i oJ~o"
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SHI\: - - - - - - -
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TEAR BAR
MOUNTING SCREW
TEAR BAR ASSEMBLY
SECURING SCREWS
Page 39