Oki B6500 Service Manual page 231

When removing the STOPPER GEAR, be careful not to lose the SPRING STOPPER
GEAR.
Replacement
When installing, be sure to lift up the PLATE ASSEMBLY BTM. If the PLATE ASSEMBLY
BTM is inclined, a paper skew or jam may occur. Check after the installation is completed.
1) Put the SPRING STOPPER GEAR (PL 3.1) into the STOPPER GEAR (PL 12.3), and secure the
STOPPER GEAR to the HOUSING BASE 550 (PL 3.1) using the 2 screws (gold tapping, 6mm).
When installing the STOPPER GEAR, be careful not to lose the SPRING STOPPER
GEAR.
Install the STOPPER GEAR so that one end of the SPRING STOPPER GEAR is in con-
tact with the plate located on the back of the HOUSING BASE 550 as shown in NOTE 2
(Figure 2).
2) Install the GEAR LEVER LOCK to the HOUSING BASE 550.
3) Install the GEAR BTM LOCK (PL 3.1) to the HOUSING BASE 550.
4) Install the SPRING BTM LOCK (PL 3.1) to the projection of the RACK BTM LOCK 550 (PL 3.1),
and install them to the HOUSING BASE 550.
When installing the RACK BTM LOCK 550, be sure to install it with the LEVER BTM
LOCK lifted up. After installing, push down the LEVER BTM LOCK and then release the
finger from it, check that the projection of the LEVER BTM LOCK is hit the stopper of the
HOUSING BASE 550 and the triangle mark is placed above the stopper.
5) Install 2 GEAR LOCK PINIONs (PL 3.1) to the HOUSING BASE 550, and engage the gear.
Install the lower GEAR BTM PINION after installing the upper GEAR BTM LOCK PINION.
When installing the lower GEAR BTM PINION, press RACK BTM LOCK 550 in the direc-
tion of arrow until it bumps into the edge (NOTE 1) (Figure 1).
6) Secure the COVER BTM UP 550 (PL 3.1) to the HOUSING BASE 550 using the screw (gold tap-
ping, 6mm).
7) Install the GEAR PB R (PL 3.1) to the SHAFT PB (PL 3.1), and secure it with the hook.
Chapter 3 Removal and Replacement Procedures (RRPs)
NOTE2 (REAR VIEW)
WHEN ASSEMBLING
STOPPER GEAR
SPRING STOPPER GEAR
JG3183AA
Figure 2. Stopper Gear
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