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4.1
Before adjustment
4.1.1 Precautions
(1) Observe the specified screw tightening torque when
attaching parts. The torque should be 0.04 Nm (0.4 kgfcm)
unless otherwise specified.
(2) Always disconnect the power supply unit before proceed-
ing to solder or attach parts.
(3) When plugging or unplugging a wire, be careful not to
damage the connector.
(4) When replacing a part, be careful not to damage other
parts or to mistakenly attach parts.
4.1.2 Tools required for adjustments
TORQUE DRIVER
1
2
YTU94088
Tool for replacing tip IC
4
PTS40844-2
Table 4-1-1
4.1.3 Disassembly and assembly procedures
The following table shows the steps for assembling or disassem-
bling the mechanism parts. Read the following descriptions care-
fully before actual assembly/disassembly operations.
(1) : Order of disassembly steps. Reverse this order when as-
sembling.
(2) : Name of the disassembled/assembled part.
(3) : Surface where the disassembled/assembled part is
mounted. T = Top. B: Bottom.
(4) : Number of disassembly drawing.
Step/Loc No.
[A] Cassette housing assembly/
1
[B] Mechanism assembly
2
[1]Drum assembly
3
[2]Motor bracket assembly
4
[3]Middle catcher assembly
(1)
ADJUSTMENT
Tool for installing slit washer
BIT
3
YTU94121A
YTU94088-003
Part Name
T
T
T
T
(2)
(3)
SECTION 4
(5) : Parts to be removed in disassembly/assembly, such as
screws, washers and springs, and the points.
Symbol
S
W
P
*
[Example] • (W1) = Remove the washer W1.
• (P1) = Remove the spring P1.
(6) : Notes for disassembly/assembly.
(7) : For the phase alignment in disassembly/assembly and
the parts which require phase adjustments after assembly,
see "4.7 Mechanism phase check/adjustment".
4.1.4 Screws and washers used in disassembly/assembly
of the mechanism assembly
Table 4-1-2 shows the symbols and part numbers of the screws
and washers used in the mechanism assembly.
When disassembling or assembling the mechanism assem-
bly,be sure to attach screws and washers correctly by referring
to the following table.
Symbol
(S1)
(S2)
(S3)
Symbol
(W1)
(W2)
Fig. No.
Point
1
2(S1),(L1) (L5)
2
3(S2)
2
4(S2)
3
3(S2)
(4)
(5)
Name & Point
Screw
Washer
Spring
Connector, lock(L), soldering(SD),
shield, etc.
Part number
QYSDSP2005ZA
YQ43893
YQ43893-7
Part number
YQ44246
YQ44246-3
Table 4-1-2
Note
Discription
1
2,3
2,4
(6)
(7)
(No.YD085)1-11
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