Brother PT-9200DX Service Manual page 46

(4) After setting the half cutter sensor assy and the full cutter sensor assy in
place, tighten the screw for each of them.
Check that the projections on the sensors are inserted into the holes in the
half frame.
Note:
Half frame assy
Half cutter sensor assy
Screw
Fig. 2.2-41 Reassembly of the Half Cutter Sensor Assy and the Full Cutter Sensor Assy
(5) Mount the cutter helical gear onto the shaft and check to be sure that the
backlash between the helical gear and the cutter worm gear is 0 to 0.1
mm. If the backlash is greater than this range, remove the two screws of
the full cutter motor and adjust the backlash correctly. After obtaining the
correct amount of backlash, set the retaining ring on the shaft.
(6) Set the half rock gear with its groove tilted at an approximately 45° angle.
Then, apply the specified grease (3 mm
(Specified grease: Silicone grease G501)
45°
Fig. 2.2-42 Reassembly of the Cutter Helical Gear and the Half Rock Gear
Observe the colors of their harnesses (half cutter sensor harness:
black, full cutter sensor harness: blue).
Screw
Projection
Half frame assy
Half rock gear
Apply the grease here.
II - 33
Mechanical unit
Projection
Full cutter sensor assy
3
) on the inside of the groove.
Cutter helical gear
Retaining ring