Sharp UX-177 Service Manual page 36

UX-177H
7 Drive system unit
a. Remove the recording paper cover unit, the mechanism unit
according to procedure 1-a.
b. Remove the document guide upper ass'y and document guide
lower ass'y from the mechanism unit according to procedure
2-b.
c. Remove the head frame unit from the mechanism unit accord-
ing to procedure 5-e.
d. Remove the optical system unit from the mechanism unit ac-
cording to procedure 6-c.
e. Remove the drive system unit to the flowchart.
1
5
6
27
13
7
8
28
20
26
17
16
15 14
Parts list (Fig. 7)
No. Part name
1 Under cabinet unit
2 Screw (M3×12)
3 Connector
4 Drive system unit
5 Screw (M3×6)
6 Motor
7 Heat sink
8 Reduction gear
9 Change lever spring
10 Planet gear
11 Change lever
12 Cam A
13 Detection switch
14 Planet gear lever
9
13
23
24
22
21
12
18
19
16
17
3
1
Fig. 7
3 – 12
Q'ty No.
1 15 Planet gear spring
1 16 Idler gear
2 17 Reduction gear
1 18 Planet gear spring
1 19 Planet gear lever
1 20 Planet gear plate
1 21 Planet gear
1 22 Planet spring
1 23 Reduction gear
1 24 Cam spring
1 25 Idler gear
1 26 Anti vibration sheet
1 27 Cam spacer
1
Drive system mounting
28
frame
25
16
The tips of spring
are hooked to ribs.
10
11
23
2
4
Part name Q'ty
1
3
2
1
1
1
1
1
2
1
1
1
1
1
27
9
10
11