SATO TG308, Руководство по обслуживанию

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Section 7: Replacement Procedures
TG3 Series Service Manual
Page 7-9
7.5 REPLACING RIBBON FEED ROLLER, ONEWAY CLUTCH AND TORQUE LIMITER
1.
Before proceeding, switch off the printer and remove the main cover, left housing cover and the top left
housing cover to gain access to the internal (electrical and mechanism) hardware. Refer to
Section 7.1
Removal of Housing cover
for details.
2.
Loosen the adjustment screw of
tension bracket
as shown. Refer to
Section 6.19 Adjusting Timing Belt
Tension
for details.
IMPORTANT
: Do not remove the screws.
3.
From the right side of the printer (Operator panel side), unscrew the two
screws
(1) and remove the
support clamp
(2) of the
ribbon feed roller
.
4.
From the left side of the printer (internal hardware), unscrew two
screws
(3) securing two sets of
support
clamps
(4). Remove and set them aside.
5.
Unscrew three
screws
(5) securing three sets of
ball bearing
(6) from the end of three spindle. Remove
the screws and ball bearings and set them aside.
6.
Remove three
screws
(7) and the
Ribbon frame
(8) from the printer.
7.
Remove the
Timing belt 60 S2M 254
(9) from the pulleys and set aside.
8.
Remove the
Pulley_L(54)
(10),
Torque Limiter
(11) and
Oneway Clutch
(12) from the spindle of the
Ribbon Feed roller
(13). Replace the defective
Torque Limiter
(11) or
Oneway Clutch
(12), as neces-
sary.
9.
Remove the defective
Ribbon Feed roller
(13) from the right side of the printer (Operator Panel side) and
replace the part as necessary.
1
2
13
3
4
8
5
6
4
3
6
7
7
7
11
12
9
10
13
Tension Bracket
Viewing from the right
side of the printer
(Operator panel side)
5
5