Service manual

Page 6-20
Section 6. Replacement Procedures
PN 9001080
Rev. A
SATO M-8485Se Standard Print Engine
Service Manual
Replacing the Timing Belts
STEP PROCEDURE
1. Refer to Section 6.8 and perform Steps 1-3 to remove and dislodge the motor
from the frame and from belt A. Do not detach wire connections from the
motor. Belts C, B and A are removed in sequence.
2. Refer to all Figs. in this section before replacing belts.
Remove (2) screws from idler gear B bracket and the center screw holding
the ribbon rewind spindle. Use wrench on opposite end of shaft (in the
mechanical section) to prevent the shaft from slipping. Pull shaft back
towards the mechanical section, just enough so that belt C slides off the end
of the shaft. Remove belt C from both pulleys.
3. Loosen (2) screws from idler pulley C. Remove belt B from both pulleys.
4. From the mechanical section, remove holding idler pulley A mounting
bracket screw. Detach the bracket and maneuver belt A from pulleys and the
gears. Replace belts as required. Replace screws previously removed. Secure
wire bundle in clamp.
5. Refer to Section 6-8 and remount the motor and attaching hardware to the
frame.
6. Adjust belt tension as outlined in Section 5.6.
7. Close the printer halves and replace the locking screw.
8. Reconnect the power cable.