Martin Yale 959AF Installation, Maintenance & Operating Instructions page 9

For step 2, follow this procedure.
1. Remove the first fold table and the stacking wheel assembly.
2. Disengage the scoring wheel backup hub by rotating the
accessory shaft journal counterclockwise and pulling out.
Loosen the set screw in the hub and move the hub away
from the scoring wheel. Reengage the accessory shaft jour-
nal by aligning the shaft and journal, reinserting the journal
into the shaft, and rotating clockwise.
3. Set the sheet detector according to instructions in Section
4.2.1 for double thickness (four single sheets).
4. Set the folder up as described in Section 4.3.4.
NOTE: When setting the paper guides, place the fold-
ed edge to the left paper guide and the open side to
the right paper guide. This step is important because
only the right guide air flow can be turned off. This is
the same for all fold styles.
5. Measure the sheet from the edge to the center of the score
mark and set the appropriate fold table paper stop to the
measurement.
6. Turn the air control valve for the
right paper guide to the off position.
7. Set the vacuum to maximum and the
air flow to minimum.
8. Set the guide rollers on the accesso-
ry shafts.
9. Test fold several sheets and check
the folds for accuracy. Adjust the
paper stop, if necessary, until the
paper is folded directly on the score
mark.
10. Run the entire folding job through
the folder.
4.3.6 Setup For A Baronial Fold
A baronial fold requires two steps, or passes, through the
machine. During step one, the paper is folded in half and scored
in two places. During step two, the half fold is refolded into a
letter fold along the two score marks.
For step one, set the machine up as described in Section 4.3.4.
Set two scoring wheels according to the following procedure.
1. Remove the first/upper fold table.
2. To allow easier access to the upper and lower accessory
shafts, remove the stacking wheel assembly.
3. Half fold a sheet by hand and mark the sheet at the points
where it will be refolded into a letter fold. Place the sheet
onto the feed table with the marked edge toward the folding
rollers.
4. Loosen the set screws in the scoring rollers and backup
hubs.
5. Turn on the pump motor switch and with the hand wheel,
manually feed the sheet through the folder until the marked
edge extends to the upper accessory shaft. (Turn off the
pump motor switch after the sheet enters the first folding
roller.)
6. Align the scoring rollers with the marks on the sheet and
lock each roller onto the flat part of the shaft.
7. Manually feed the sheet out of the machine.
8. Disengage the lower accessory shaft journal by first rotating
the journal counterclockwise. Now pull straight out on the
journal. (If the journal is difficult to remove, place the hex
key wrench through the hole in the journal and pull out.)
9. Slide the backup hub until the grooved part of the backup
hub aligns with the point on the scoring wheel. Repeat this
procedure for the other scoring wheel.
10. Engage and lock the lower accessory shaft journal by align-
ing the shaft and journal, reinserting the journal into the
accessory shaft and rotating clockwise.
11. A slight amount of movement in the backup hubs will help
ensure adequate scoring without cutting through the paper.
Tighten the set screw in the hubs onto the flat part of the
shaft only to the point where a slight amount of side-to-side
movement is apparent in the hubs.
12. Reinstall the first fold table and stacking wheel assembly.
13. Fold one sheet according to instructions in Section 4.3.4 and
check the score mark locations. Adjust the scoring marks, if
necessary, until the paper is scored in the correct positions
for refolding into a letter fold.
14. Once the scoring marks are in the correct locations, run the
job through the folder.
For step 2, follow this procedure.
1. Remove the first fold table and the stacking wheel assembly.
2. Disengage the scoring wheel backup hub by rotating the
accessory shaft journal counterclockwise and pulling out.
Loosen the set screw in the hub and move the hub away
from the scoring wheel. Reengage the accessory shaft jour-
nal by aligning the shaft and journal, reinserting the journal
into the shaft, and rotating clockwise.
Fig. 11
3. Set the sheet detector according to instructions in Section
4.2.1 for double thickness (four single sheets).
4. Set the folder up as described in Section 4.3.1.
5. Measure the sheet from the edge to the center of the first
fold score mark and set the appropriate fold table paper stop
to the measurement. (See Figure 11.) Set the second fold
table paper stop to the measured distance to the score mark.
6. Turn the air control valve for the right paper guide to the off
position.
7. Set the vacuum to maximum and the air flow to minimum.
8. Set the guide rollers on the accessory shafts.
9. Test fold several sheets and check the folds for accuracy.
Adjust the paper stops, if necessary, until the paper is folded
directly on the score marks.
NOTE: It may be helpful to set the stacking wheel
assembly with the deflector in the down position.
10. Run the entire folding job through the folder.
4.4 Setup For Perforating, Scoring, and
Slitting
The folder can be used to
fold and individually or
simultaneously slit, perfo-
rate, or score paper, depending on job requirements.
As seen in Figure 12, there are two scoring rollers, one 7-tooth
9
Fig. 12