Push Tractor Assembly - OKIDATA ML395C Service Manual

Page: 56
Service Guide ML395/395C
Chapter 3 Maintenance & Disassembly

3.2.22 Push Tractor Assembly

1. Remove the lower center guide (1).
2. Separate the claws (2) and remove the two drive gears (3) from the right side of the printer mechanism.
3. Using a needle nose pliers, remove the nylon cable clamp (4).
4. Slide the upper drive shaft (5) to the left and remove it.
5. Slide the lower drive shaft (6) to the left.
6. Remove the upper center guide (7), being careful not to lose the friction ring (8).
7. Remove the lower drive shaft.
8. Loosen the two screws (9) [one is located on each side of the printer mechanism].
9. Lift and remove the push tractor assemblies (10) and locking shaft (11).
NOTE: To remove the tractors from the locking shaft, raise the lock lever and slide the tractor off.
When installing the push tractor assembly, take the following precautions:
1. First, install the friction ring in the upper center guide. If the upper center guide moves easily
along the locking shaft, you must rotate the friction ring 45 degrees, using a standard screwdriver
(12).
2. Check the installation; if the guide moves with difficulty, it is properly installed.
3. Synchronize the tractors by aligning the synchronization marks in the same direction.
4. Position the guide holes (13) in the tractor drive gears in the same direction.
5. Position the groove of the upper center guide behind the paper pressure guide (14).
6. The left tractor assembly must be positioned between the two locking tabs (15).
P/N 50054501 Tractor: Push (Left) Assembly RSPL B.2.08 , 11
P/N 50054601 Tractor: Push (Right) Assembly RSPL B.2.08 , 11
P/N 51002301 Friction: Piece RSPL B.2.08 , 11
P/N 51002401 Guide: Center, Upper RSPL B.2.08 , 11
P/N 51002501 Guide: Center Lower A RSPL B.2.08 , 11