Oki B6500 Service Manual page 225

5) Install the HOUSING EXTENSION 550 and HOUSING TOP 550 (PL 12.3) to the HOUSING BASE
550 while pushing the LINK SW SIZE1-550 (PL 3.1), LINK SW SIZE2-550 (PL 3.1) and LINK SW
SIZE3-550 (PL 3.1) of the HOUSING BASE 550 outward (RRP3.2).
Be sure to put 2 claws on the top of the PLATE ASSEMBLY BTM under the hooks on the
HOUSING TOP 550.
6) After assembling the HOUSING TOP 550 to the HOUSING BASE 550 using the four hooks,
secure them using the two screws (gold tapping, 8mm) on both right and left sides, as well as the
six screws (gold tapping, 8mm) on the back.
After tightening the screws, move the GUIDE ASSEMBLY END 550 back and forth, and
make sure that the LINK SW SIZEs operate smoothly.
7) Insert the link lever of the GUIDE INDICATOR 1 (PL 3.1) into the hole of the PLATE ASSEMBLY
BTM.
8) While pressing down the hook of the HOUSING TOP 550, install the GUIDE ASSEMBLY SD R550
(PL 12.3) to the HOUSING TOP 550.
After installing, make sure that the 3 claws of the GUIDE ASSEMBLY SD R550 sit cor-
rectly in the grooves of the HOUSING TOP 550.
9) While pressing down the hook of the HOUSING TOP 550, install the GUIDE ASSEMBLY SD L550
(PL 12.3) to the HOUSING TOP 550.
After installing, make sure that the 3 claws of the GUIDE ASSEMBLY SD L550 sit cor-
rectly in the grooves of the HOUSING TOP 550.
10) Push the PLATE ASSEMBLY BTM downward to lock.
11) Completely opened GUIDE ASSEMBLY SD L550 (PL 12.3) and GUIDE ASSEMBLY SD R550 (PL
12.3), install the GEAR PINION (PL 12.3) to the HOUSING TOP 550.
When installing the GEAR PINION, make sure the GUIDE ASSEMBLY SD R550 and
GUIDE ASSEMBLY SD L550 are completely opened. If not, the side register may be mis-
aligned.
12) Install the COVER CST (PL 12.3) to the 550 PAPER CASSETTE.
After assembling, make sure that the LOW IND FRONT moves up-and-down in conjunc-
tion with the up-and-down movement of the PLATE ASSEMBLY BTM.
Chapter 3 Removal and Replacement Procedures (RRPs)
3 - 41