Replacing Torque Limiter (Ribbon Rewinder), Oneway Limiter And Oneway Clutch - SATO 9001226(A) Service Manual

Section 7: Replacement Procedures
7.7 REPLACING TORQUE LIMITER (RIBBON REWINDER), ONEWAY LIMITER AND
ONEWAY CLUTCH
Before proceeding, switch off the printer and remove the main cover, left housing cover and the top left
1.
housing cover to gain access to the internal (electrical and mechanism) hardware. Refer to Section 7.1
Removal of Housing cover for details.
Follow step 4 to step 7 of Section 7.5 Replacing Ribbon Feed Roller, Oneway Clutch and Torque
2.
Limiter to remove the Ribbon frame (8) and Timing belt 60 S2M 254 (9) from the printer. Set all the parts
aside for reassemble.
Remove the Gear Pulley_M(54/54) (10) from the ribbon shaft and replace as necessary.
3.
Remove the E-ring (11) from the ribbon rewind spindle and then remove the Gear Pulley_K(83/83) (12)
4.
and replace as necessary.
Remove the Oneway Clutch (13), Torque Limiter (14) and Oneway Limiter (15) from the ribbon rewind
5.
spindle and replace them as necessary.
Reverse the above procedures for reassembly.
6.
After replacement, adjust the ribbon tension according to the procedure in Section 6.19 Adjusting Timing
7.
Belt Tension .
CAUTION:
A PROPERLY TENSIONED BELT WILL BE JUST ENOUGH TO PREVENT SLIPPAGE.
AN OVERLY TENSIONED BELT WILL EXCESSIVELY INCREASE DRAG ON THEIR
PULLEYS AND INCREASE COMPONENT WEAR.
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Follow step 4 to step 7 of Section 7.5 Replac-
ing Ribbon Feed Roller, Oneway Clutch and
Torque Limiter to remove the Ribbon frame
and Timing belt from the printer. Set all the
parts aside for reassemble.
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TG3 Series Service Manual
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