Oki Microline 520 Service Handbook page 172

3.2.29 Tractor Assembly
1. Perform these procedures: 3.2.01, 3.2.06, 3.2.07, 3.2.16, 3.2.17, 3.2.19, 3.2.20,
3.2.22, 3.2.23, and 3.2.24.
2. Use a needle nose pliers to release the claw of the tractor gear (1) and remove the
gear.
3. Remove the change gear (2).
4. Raise the lock levers (3) on the left (4) and right (5) tractor assemblies.
5. Slide the lower tractor feed shaft (6) in the direction of arrow A and remove the shaft.
This shaft is square.
6. Slide the upper tractor feed shaft (7) in the direction of arrow A and remove the shaft.
This shaft is round.
7. Remove the left tractor assembly, the guide (8), and the right tractor assembly.
NOTE:
Installation
The tractors must be synchronized. Align the synchronization marks (9) in the same
direction.
Verify that the guide holes (10) in the tractor drive gears are facing the same
direction.
The left tractor assembly must be positioned to the left (line feed motor side) of the
plastic tab and ground plate.
Lubrication
When lubricating, refer to Section 3.5 of this Service Handbook.
P/N 50097501 Tractor: Assembly (Narrow)
P/N 50097502 Tractor: Assembly (Wide)
P/N 51228001 Gear: Change
P/N 51228101 Gear: Tractor
Maintenance
RSPL
RSPL
RSPL
RSPL
3 - 60 Microline 520/521 Service Handbook
520 B.2.06
521 B.2.06
Both B.2.05
Both B.2.05
P/N 59257803