TM 5-3610-286-20
2-96.
Adjustment of Timing Settings (cont).
(b) Turn press by hand and observe that feeder unit operations listed in table 2-7 occur at
the degree setting indicated on the graduated disc opposite the mark on the oil catcher
strap. If the feeder operation occurs at the correct position (degree setting), the timing
of paper feed operations is correct. If not, adjust as described in the appropriate
maintenance paragraph.
Table 2-7. Degree Settings for Feeder Unit Operations.
Setting (Degrees)
Operation
10°
End of advancing time of feeder
25°30’
Side lay at lowest point
83°30’ to 84°
Side lay moving up. (Note 1)
85° to 85°30’
Ranger drum grippers closing. (Note 2)
85°30’
Start of backing off front lays (Ranger drum gripper
bar at 90 degree angle with feed table (Note 3))
310°
Beginning of advancing time of feeder. Impression
control magnet is released
328°
Sheet arrives at front lays
NOTES
(1) Check clearance between side lays and feed table to be 0.1 mm.
(2) Check gripper closing with onion skin paper.
(3) First set front lays to “wide gripper margin”.
(3) Back/ash.
(a) Check for backlash using dial gage.
(b) Normal allowable backlash between mating cylinder gears is illustrated in figure 2-284.
2-552
