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3-3. Drum Block
6. Install the Drum Assembly
(1) Hold the drum assembly as shown in the
figure and connect the three connectors
disconnected in (5) of step 4.
c
1. Hold the height determining plate and the
drum support at that time. Be careful not
to hold the upper drum and the brush/slip
ring assembly.
2. Pay attention to the direction of the
connectors.
(2) Fix the harness by a harness holder as shown
in the figure.
(3) Align the two positioning holes of the drum
assembly with the two positioning pin of the
chassis while passing the harness under the
chassis.
c
1. Be careful not to touch the CTL/TC head
and tape guide at that time.
2. Be careful not to put the harness between
the lower drum and the chassis.
(4) Confirm that the drum assembly is firmly
inserted into the positioning pins.
(5) Rotate the inner drum assembly manually
counterclockwise and align the upper drum
assembly holes with the fixing screw positions.
(6) Tighten the screw tentatively.
(7) Tighten other two screws tentatively in the
same way as in steps (5) and (6).
(8) Tighten the three screws each by two or three
turns in the order of counterclockwise.
Tightening torque: 78.4 x 10
(8 kgf.cm)
7. Adjust the Air Stabilizer Clearance
Refer to step 10 in Section 3-3-1.
8. Connect the Flexible Board
Connect the flexible board into connector CN241
on the HN-223 board, then lock.
3-38
. When connecting the connectors
CN610
CN612
. . . . . When installing the drum assembly on the chassis
Screw (C3 x 8)
Drum assembly
Positioning pin
-2
N.m
. How to fix the harness
CN602
. How to hold the drum assembly
Harness holders
Brush/slip ring assembly
Screw
hole
Tightening torque : 78.4 x 10
Install the Drum Assembly
Flexible board
Screws
(C3 x 8)
CN2
SE-358
board
Positioning pin
-2
N.m (8 kgf.cm)
GY-2120WD/WS
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Troubleshooting
